mirror of
https://github.com/Ed94/raddebugger.git
synced 2026-06-13 07:32:23 -07:00
Ryan Fleury
6657 lines
243 KiB
C
6657 lines
243 KiB
C
// Copyright (c) Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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////////////////////////////////
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//~ rjf: Generated Code
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#include "generated/ctrl.meta.c"
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////////////////////////////////
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//~ rjf: Basic Type Functions
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#if !defined(XXH_IMPLEMENTATION)
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# define XXH_IMPLEMENTATION
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# define XXH_STATIC_LINKING_ONLY
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# include "third_party/xxHash/xxhash.h"
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#endif
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internal U64
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ctrl_hash_from_string(String8 string)
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{
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U64 result = XXH3_64bits_withSeed(string.str, string.size, 5381);
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return result;
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}
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internal U64
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ctrl_hash_from_handle(CTRL_Handle handle)
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{
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U64 buf[] = {handle.machine_id, handle.dmn_handle.u64[0]};
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U64 hash = ctrl_hash_from_string(str8((U8 *)buf, sizeof(buf)));
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return hash;
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}
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internal CTRL_EventCause
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ctrl_event_cause_from_dmn_event_kind(DMN_EventKind event_kind)
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{
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CTRL_EventCause cause = CTRL_EventCause_Null;
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switch(event_kind)
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{
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default:{}break;
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case DMN_EventKind_Error: {cause = CTRL_EventCause_Error;}break;
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case DMN_EventKind_Exception:{cause = CTRL_EventCause_InterruptedByException;}break;
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case DMN_EventKind_Trap: {cause = CTRL_EventCause_InterruptedByTrap;}break;
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case DMN_EventKind_Halt: {cause = CTRL_EventCause_InterruptedByHalt;}break;
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}
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return cause;
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}
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internal CTRL_ExceptionKind
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ctrl_exception_kind_from_dmn(DMN_ExceptionKind kind)
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{
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CTRL_ExceptionKind result = CTRL_ExceptionKind_Null;
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switch(kind)
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{
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default:{}break;
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case DMN_ExceptionKind_MemoryRead: {result = CTRL_ExceptionKind_MemoryRead;}break;
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case DMN_ExceptionKind_MemoryWrite: {result = CTRL_ExceptionKind_MemoryWrite;}break;
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case DMN_ExceptionKind_MemoryExecute: {result = CTRL_ExceptionKind_MemoryExecute;}break;
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case DMN_ExceptionKind_CppThrow: {result = CTRL_ExceptionKind_CppThrow;}break;
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}
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return result;
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}
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internal String8
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ctrl_string_from_event_kind(CTRL_EventKind kind)
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{
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String8 result = {0};
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switch(kind)
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{
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default:{}break;
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case CTRL_EventKind_Null: { result = str8_lit("Null");}break;
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case CTRL_EventKind_Error: { result = str8_lit("Error");}break;
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case CTRL_EventKind_Started: { result = str8_lit("Started");}break;
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case CTRL_EventKind_Stopped: { result = str8_lit("Stopped");}break;
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case CTRL_EventKind_NewProc: { result = str8_lit("NewProc");}break;
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case CTRL_EventKind_NewThread: { result = str8_lit("NewThread");}break;
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case CTRL_EventKind_NewModule: { result = str8_lit("NewModule");}break;
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case CTRL_EventKind_EndProc: { result = str8_lit("EndProc");}break;
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case CTRL_EventKind_EndThread: { result = str8_lit("EndThread");}break;
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case CTRL_EventKind_EndModule: { result = str8_lit("EndModule");}break;
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case CTRL_EventKind_ModuleDebugInfoPathChange: { result = str8_lit("ModuleDebugInfoPathChange");}break;
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case CTRL_EventKind_DebugString: { result = str8_lit("DebugString");}break;
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case CTRL_EventKind_ThreadName: { result = str8_lit("ThreadName");}break;
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case CTRL_EventKind_MemReserve: { result = str8_lit("MemReserve");}break;
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case CTRL_EventKind_MemCommit: { result = str8_lit("MemCommit");}break;
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case CTRL_EventKind_MemDecommit: { result = str8_lit("MemDecommit");}break;
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case CTRL_EventKind_MemRelease: { result = str8_lit("MemRelease");}break;
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}
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return result;
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}
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internal String8
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ctrl_string_from_msg_kind(CTRL_MsgKind kind)
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{
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String8 result = {0};
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switch(kind)
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{
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default:{}break;
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case CTRL_MsgKind_Launch: {result = str8_lit("Launch");}break;
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case CTRL_MsgKind_Attach: {result = str8_lit("Attach");}break;
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case CTRL_MsgKind_Kill: {result = str8_lit("Kill");}break;
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case CTRL_MsgKind_KillAll: {result = str8_lit("KillAll");}break;
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case CTRL_MsgKind_Detach: {result = str8_lit("Detach");}break;
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case CTRL_MsgKind_Run: {result = str8_lit("Run");}break;
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case CTRL_MsgKind_SingleStep: {result = str8_lit("SingleStep");}break;
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case CTRL_MsgKind_SetUserEntryPoints: {result = str8_lit("SetUserEntryPoints");}break;
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case CTRL_MsgKind_SetModuleDebugInfoPath: {result = str8_lit("SetModuleDebugInfoPath");}break;
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}
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return result;
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}
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internal CTRL_EntityKind
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ctrl_entity_kind_from_string(String8 string)
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{
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CTRL_EntityKind result = CTRL_EntityKind_Null;
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for EachNonZeroEnumVal(CTRL_EntityKind, k)
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{
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if(str8_match(ctrl_entity_kind_code_name_table[k], string, 0))
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{
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result = k;
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break;
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}
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}
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return result;
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}
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internal DMN_TrapFlags
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ctrl_dmn_trap_flags_from_user_breakpoint_flags(CTRL_UserBreakpointFlags flags)
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{
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DMN_TrapFlags result = 0;
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if(flags & CTRL_UserBreakpointFlag_BreakOnWrite) { result |= DMN_TrapFlag_BreakOnWrite; }
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if(flags & CTRL_UserBreakpointFlag_BreakOnRead) { result |= DMN_TrapFlag_BreakOnRead; }
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if(flags & CTRL_UserBreakpointFlag_BreakOnExecute) { result |= DMN_TrapFlag_BreakOnExecute; }
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return result;
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}
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internal CTRL_UserBreakpointFlags
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ctrl_user_breakpoint_flags_from_dmn_trap_flags(DMN_TrapFlags flags)
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{
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CTRL_UserBreakpointFlags result = 0;
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if(flags & DMN_TrapFlag_BreakOnWrite) { result |= CTRL_UserBreakpointFlag_BreakOnWrite; }
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if(flags & DMN_TrapFlag_BreakOnRead) { result |= CTRL_UserBreakpointFlag_BreakOnRead; }
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if(flags & DMN_TrapFlag_BreakOnExecute) { result |= CTRL_UserBreakpointFlag_BreakOnExecute; }
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return result;
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}
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////////////////////////////////
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//~ rjf: Machine/Handle Pair Type Functions
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internal CTRL_Handle
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ctrl_handle_zero(void)
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{
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CTRL_Handle handle = {0};
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return handle;
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}
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internal CTRL_Handle
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ctrl_handle_make(CTRL_MachineID machine_id, DMN_Handle dmn_handle)
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{
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CTRL_Handle handle = {machine_id, dmn_handle};
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return handle;
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}
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internal B32
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ctrl_handle_match(CTRL_Handle a, CTRL_Handle b)
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{
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B32 result = (a.machine_id == b.machine_id &&
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dmn_handle_match(a.dmn_handle, b.dmn_handle));
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return result;
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}
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internal void
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ctrl_handle_list_push(Arena *arena, CTRL_HandleList *list, CTRL_Handle *pair)
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{
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CTRL_HandleNode *n = push_array(arena, CTRL_HandleNode, 1);
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MemoryCopyStruct(&n->v, pair);
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SLLQueuePush(list->first, list->last, n);
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list->count += 1;
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}
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internal CTRL_HandleList
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ctrl_handle_list_copy(Arena *arena, CTRL_HandleList *src)
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{
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CTRL_HandleList dst = {0};
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for(CTRL_HandleNode *n = src->first; n != 0; n = n->next)
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{
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ctrl_handle_list_push(arena, &dst, &n->v);
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}
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return dst;
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}
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internal CTRL_HandleArray
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ctrl_handle_array_from_list(Arena *arena, CTRL_HandleList *src)
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{
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CTRL_HandleArray array = {0};
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array.count = src->count;
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array.v = push_array_no_zero(arena, CTRL_Handle, array.count);
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{
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U64 idx = 0;
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for(CTRL_HandleNode *n = src->first; n != 0; n = n->next, idx += 1)
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{
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array.v[idx] = n->v;
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}
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}
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return array;
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}
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internal String8
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ctrl_string_from_handle(Arena *arena, CTRL_Handle handle)
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{
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String8 result = push_str8f(arena, "$%I64x$%I64x", handle.machine_id, handle.dmn_handle.u64[0]);
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return result;
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}
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internal CTRL_Handle
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ctrl_handle_from_string(String8 string)
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{
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CTRL_Handle handle = {0};
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{
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Temp scratch = scratch_begin(0, 0);
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U8 split = '$';
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String8List parts = str8_split(scratch.arena, string, &split, 1, 0);
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if(parts.first && parts.first->next)
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{
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CTRL_MachineID machine_id = u64_from_str8(parts.first->string, 16);
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DMN_Handle dmn_handle = {0};
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dmn_handle.u64[0] = u64_from_str8(parts.first->next->string, 16);
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handle.machine_id = machine_id;
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handle.dmn_handle = dmn_handle;
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}
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scratch_end(scratch);
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}
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return handle;
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}
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////////////////////////////////
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//~ rjf: Trap Type Functions
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internal void
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ctrl_trap_list_push(Arena *arena, CTRL_TrapList *list, CTRL_Trap *trap)
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{
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CTRL_TrapNode *node = push_array(arena, CTRL_TrapNode, 1);
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MemoryCopyStruct(&node->v, trap);
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SLLQueuePush(list->first, list->last, node);
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list->count += 1;
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}
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internal CTRL_TrapList
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ctrl_trap_list_copy(Arena *arena, CTRL_TrapList *src)
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{
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CTRL_TrapList dst = {0};
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for(CTRL_TrapNode *src_n = src->first; src_n != 0; src_n = src_n->next)
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{
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ctrl_trap_list_push(arena, &dst, &src_n->v);
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}
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return dst;
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}
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////////////////////////////////
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//~ rjf: User Breakpoint Type Functions
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internal void
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ctrl_user_breakpoint_list_push(Arena *arena, CTRL_UserBreakpointList *list, CTRL_UserBreakpoint *bp)
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{
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CTRL_UserBreakpointNode *n = push_array(arena, CTRL_UserBreakpointNode, 1);
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MemoryCopyStruct(&n->v, bp);
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SLLQueuePush(list->first, list->last, n);
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list->count += 1;
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}
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internal CTRL_UserBreakpointList
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ctrl_user_breakpoint_list_copy(Arena *arena, CTRL_UserBreakpointList *src)
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{
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CTRL_UserBreakpointList dst = {0};
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for(CTRL_UserBreakpointNode *src_n = src->first; src_n != 0; src_n = src_n->next)
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{
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CTRL_UserBreakpoint dst_bp = zero_struct;
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MemoryCopyStruct(&dst_bp, &src_n->v);
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dst_bp.string = push_str8_copy(arena, src_n->v.string);
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dst_bp.condition = push_str8_copy(arena, src_n->v.condition);
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ctrl_user_breakpoint_list_push(arena, &dst, &dst_bp);
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}
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return dst;
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}
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////////////////////////////////
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//~ rjf: Message Type Functions
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//- rjf: deep copying
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internal void
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ctrl_msg_deep_copy(Arena *arena, CTRL_Msg *dst, CTRL_Msg *src)
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{
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MemoryCopyStruct(dst, src);
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dst->path = push_str8_copy(arena, src->path);
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dst->entry_points = str8_list_copy(arena, &src->entry_points);
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dst->cmd_line_string_list = str8_list_copy(arena, &src->cmd_line_string_list);
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dst->env_string_list = str8_list_copy(arena, &src->env_string_list);
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dst->traps = ctrl_trap_list_copy(arena, &src->traps);
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dst->user_bps = ctrl_user_breakpoint_list_copy(arena, &src->user_bps);
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}
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//- rjf: list building
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internal CTRL_Msg *
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ctrl_msg_list_push(Arena *arena, CTRL_MsgList *list)
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{
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CTRL_MsgNode *n = push_array(arena, CTRL_MsgNode, 1);
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SLLQueuePush(list->first, list->last, n);
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list->count += 1;
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CTRL_Msg *msg = &n->v;
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return msg;
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}
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internal CTRL_MsgList
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ctrl_msg_list_deep_copy(Arena *arena, CTRL_MsgList *src)
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{
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CTRL_MsgList dst = {0};
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for(CTRL_MsgNode *n = src->first; n != 0; n = n->next)
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{
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CTRL_Msg *src_msg = &n->v;
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CTRL_Msg *dst_msg = ctrl_msg_list_push(arena, &dst);
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ctrl_msg_deep_copy(arena, dst_msg, src_msg);
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}
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return dst;
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}
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internal void
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ctrl_msg_list_concat_in_place(CTRL_MsgList *dst, CTRL_MsgList *src)
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{
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if(dst->last && src->first)
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{
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dst->last->next = src->first;
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dst->last = src->last;
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dst->count += src->count;
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}
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else if(src->first)
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{
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MemoryCopyStruct(dst, src);
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}
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MemoryZeroStruct(src);
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}
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//- rjf: serialization
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internal String8
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ctrl_serialized_string_from_msg_list(Arena *arena, CTRL_MsgList *msgs)
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{
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Temp scratch = scratch_begin(&arena, 1);
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String8List msgs_srlzed = {0};
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str8_serial_begin(scratch.arena, &msgs_srlzed);
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{
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// rjf: write message count
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msgs->count);
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// rjf: write all message data
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for(CTRL_MsgNode *msg_n = msgs->first; msg_n != 0; msg_n = msg_n->next)
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{
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CTRL_Msg *msg = &msg_n->v;
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// rjf: write flat parts
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->kind);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->run_flags);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->msg_id);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->entity);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->parent);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->entity_id);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->exit_code);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->env_inherit);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->debug_subprocesses);
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str8_serial_push_array (scratch.arena, &msgs_srlzed, &msg->exception_code_filters[0], ArrayCount(msg->exception_code_filters));
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// rjf: write path string
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->path.size);
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str8_serial_push_data(scratch.arena, &msgs_srlzed, msg->path.str, msg->path.size);
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// rjf: write entry point string list
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->entry_points.node_count);
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for(String8Node *n = msg->entry_points.first; n != 0; n = n->next)
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{
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &n->string.size);
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str8_serial_push_data(scratch.arena, &msgs_srlzed, n->string.str, n->string.size);
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}
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// rjf: write command line string list
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->cmd_line_string_list.node_count);
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for(String8Node *n = msg->cmd_line_string_list.first; n != 0; n = n->next)
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{
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &n->string.size);
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str8_serial_push_data(scratch.arena, &msgs_srlzed, n->string.str, n->string.size);
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}
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// rjf: write environment string list
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->env_string_list.node_count);
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for(String8Node *n = msg->env_string_list.first; n != 0; n = n->next)
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{
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &n->string.size);
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str8_serial_push_data(scratch.arena, &msgs_srlzed, n->string.str, n->string.size);
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}
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// rjf: write stdout/stderr/stdin paths
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->stdout_path.size);
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str8_serial_push_string(scratch.arena, &msgs_srlzed, msg->stdout_path);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->stderr_path.size);
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str8_serial_push_string(scratch.arena, &msgs_srlzed, msg->stderr_path);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->stdin_path.size);
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str8_serial_push_string(scratch.arena, &msgs_srlzed, msg->stdin_path);
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// rjf: write trap list
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->traps.count);
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for(CTRL_TrapNode *n = msg->traps.first; n != 0; n = n->next)
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{
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CTRL_Trap *trap = &n->v;
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &trap->flags);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &trap->vaddr);
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}
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// rjf: write user breakpoint list
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &msg->user_bps.count);
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for(CTRL_UserBreakpointNode *n = msg->user_bps.first; n != 0; n = n->next)
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{
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CTRL_UserBreakpoint *bp = &n->v;
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->kind);
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str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->flags);
|
|
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->id);
|
|
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->string.size);
|
|
str8_serial_push_data(scratch.arena, &msgs_srlzed, bp->string.str, bp->string.size);
|
|
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->pt);
|
|
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->size);
|
|
str8_serial_push_struct(scratch.arena, &msgs_srlzed, &bp->condition.size);
|
|
str8_serial_push_data(scratch.arena, &msgs_srlzed, bp->condition.str, bp->condition.size);
|
|
}
|
|
}
|
|
}
|
|
String8 string = str8_serial_end(arena, &msgs_srlzed);
|
|
scratch_end(scratch);
|
|
return string;
|
|
}
|
|
|
|
internal CTRL_MsgList
|
|
ctrl_msg_list_from_serialized_string(Arena *arena, String8 string)
|
|
{
|
|
CTRL_MsgList msgs = {0};
|
|
{
|
|
U64 read_off = 0;
|
|
|
|
// rjf: read message count
|
|
U64 msg_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg_count);
|
|
|
|
// rjf: read data for all messages
|
|
for(U64 msg_idx = 0; msg_idx < msg_count; msg_idx += 1)
|
|
{
|
|
// rjf: construct message
|
|
CTRL_MsgNode *msg_node = push_array(arena, CTRL_MsgNode, 1);
|
|
SLLQueuePush(msgs.first, msgs.last, msg_node);
|
|
msgs.count += 1;
|
|
CTRL_Msg *msg = &msg_node->v;
|
|
|
|
// rjf: read flat data
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->kind);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->run_flags);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->msg_id);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->entity);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->parent);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->entity_id);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->exit_code);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->env_inherit);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->debug_subprocesses);
|
|
read_off += str8_deserial_read_array (string, read_off, &msg->exception_code_filters[0], ArrayCount(msg->exception_code_filters));
|
|
|
|
// rjf: read path string
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->path.size);
|
|
msg->path.str = push_array_no_zero(arena, U8, msg->path.size);
|
|
read_off += str8_deserial_read(string, read_off, msg->path.str, msg->path.size, 1);
|
|
|
|
// rjf: read entry point string list
|
|
U64 entry_point_list_string_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &entry_point_list_string_count);
|
|
for(U64 idx = 0; idx < entry_point_list_string_count; idx += 1)
|
|
{
|
|
String8 str = {0};
|
|
read_off += str8_deserial_read_struct(string, read_off, &str.size);
|
|
str.str = push_array_no_zero(arena, U8, str.size);
|
|
read_off += str8_deserial_read(string, read_off, str.str, str.size, 1);
|
|
str8_list_push(arena, &msg->entry_points, str);
|
|
}
|
|
|
|
// rjf: read command line string list
|
|
U64 cmd_line_string_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &cmd_line_string_count);
|
|
for(U64 idx = 0; idx < cmd_line_string_count; idx += 1)
|
|
{
|
|
String8 cmd_line_str = {0};
|
|
read_off += str8_deserial_read_struct(string, read_off, &cmd_line_str.size);
|
|
cmd_line_str.str = push_array_no_zero(arena, U8, cmd_line_str.size);
|
|
read_off += str8_deserial_read(string, read_off, cmd_line_str.str, cmd_line_str.size, 1);
|
|
str8_list_push(arena, &msg->cmd_line_string_list, cmd_line_str);
|
|
}
|
|
|
|
// rjf: read environment string list
|
|
U64 env_string_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &env_string_count);
|
|
for(U64 idx = 0; idx < env_string_count; idx += 1)
|
|
{
|
|
String8 env_str = {0};
|
|
read_off += str8_deserial_read_struct(string, read_off, &env_str.size);
|
|
env_str.str = push_array_no_zero(arena, U8, env_str.size);
|
|
read_off += str8_deserial_read(string, read_off, env_str.str, env_str.size, 1);
|
|
str8_list_push(arena, &msg->env_string_list, env_str);
|
|
}
|
|
|
|
// rjf: read stdout/stderr/stdin paths
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->stdout_path.size);
|
|
msg->stdout_path.str = push_array(arena, U8, msg->stdout_path.size);
|
|
read_off += str8_deserial_read(string, read_off, msg->stdout_path.str, msg->stdout_path.size, 1);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->stderr_path.size);
|
|
msg->stderr_path.str = push_array(arena, U8, msg->stderr_path.size);
|
|
read_off += str8_deserial_read(string, read_off, msg->stderr_path.str, msg->stderr_path.size, 1);
|
|
read_off += str8_deserial_read_struct(string, read_off, &msg->stdin_path.size);
|
|
msg->stdin_path.str = push_array(arena, U8, msg->stdin_path.size);
|
|
read_off += str8_deserial_read(string, read_off, msg->stdin_path.str, msg->stdin_path.size, 1);
|
|
|
|
// rjf: read trap list
|
|
U64 trap_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &trap_count);
|
|
for(U64 idx = 0; idx < trap_count; idx += 1)
|
|
{
|
|
CTRL_TrapNode *n = push_array(arena, CTRL_TrapNode, 1);
|
|
SLLQueuePush(msg->traps.first, msg->traps.last, n);
|
|
msg->traps.count += 1;
|
|
CTRL_Trap *trap = &n->v;
|
|
read_off += str8_deserial_read_struct(string, read_off, &trap->flags);
|
|
read_off += str8_deserial_read_struct(string, read_off, &trap->vaddr);
|
|
}
|
|
|
|
// rjf: read user breakpoint list
|
|
U64 user_bp_count = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &user_bp_count);
|
|
for(U64 idx = 0; idx < user_bp_count; idx += 1)
|
|
{
|
|
CTRL_UserBreakpointNode *n = push_array(arena, CTRL_UserBreakpointNode, 1);
|
|
SLLQueuePush(msg->user_bps.first, msg->user_bps.last, n);
|
|
msg->user_bps.count += 1;
|
|
CTRL_UserBreakpoint *bp = &n->v;
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->kind);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->flags);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->id);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->string.size);
|
|
bp->string.str = push_array_no_zero(arena, U8, bp->string.size);
|
|
read_off += str8_deserial_read(string, read_off, bp->string.str, bp->string.size, 1);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->pt);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->size);
|
|
read_off += str8_deserial_read_struct(string, read_off, &bp->condition.size);
|
|
bp->condition.str = push_array_no_zero(arena, U8, bp->condition.size);
|
|
read_off += str8_deserial_read(string, read_off, bp->condition.str, bp->condition.size, 1);
|
|
}
|
|
}
|
|
}
|
|
return msgs;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Event Type Functions
|
|
|
|
//- rjf: list building
|
|
|
|
internal CTRL_Event *
|
|
ctrl_event_list_push(Arena *arena, CTRL_EventList *list)
|
|
{
|
|
CTRL_EventNode *n = push_array(arena, CTRL_EventNode, 1);
|
|
SLLQueuePush(list->first, list->last, n);
|
|
list->count += 1;
|
|
CTRL_Event *event = &n->v;
|
|
return event;
|
|
}
|
|
|
|
internal void
|
|
ctrl_event_list_concat_in_place(CTRL_EventList *dst, CTRL_EventList *to_push)
|
|
{
|
|
if(dst->last == 0)
|
|
{
|
|
MemoryCopyStruct(dst, to_push);
|
|
}
|
|
else if(to_push->first != 0)
|
|
{
|
|
dst->last->next = to_push->first;
|
|
dst->last = to_push->last;
|
|
dst->count += to_push->count;
|
|
}
|
|
MemoryZeroStruct(to_push);
|
|
}
|
|
|
|
//- rjf: serialization
|
|
|
|
internal String8
|
|
ctrl_serialized_string_from_event(Arena *arena, CTRL_Event *event, U64 max)
|
|
{
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
String8List srl = {0};
|
|
str8_serial_begin(scratch.arena, &srl);
|
|
{
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->kind);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->cause);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->exception_kind);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->msg_id);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->entity);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->parent);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->arch);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->u64_code);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->entity_id);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->vaddr_rng);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->rip_vaddr);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->stack_base);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->tls_root);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->timestamp);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->exception_code);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->rgba);
|
|
str8_serial_push_struct(scratch.arena, &srl, &event->bp_flags);
|
|
String8 string = event->string;
|
|
string.size = Min(string.size, max-srl.total_size);
|
|
str8_serial_push_struct(scratch.arena, &srl, &string.size);
|
|
str8_serial_push_data(scratch.arena, &srl, string.str, string.size);
|
|
}
|
|
String8 string = str8_serial_end(arena, &srl);
|
|
scratch_end(scratch);
|
|
return string;
|
|
}
|
|
|
|
internal CTRL_Event
|
|
ctrl_event_from_serialized_string(Arena *arena, String8 string)
|
|
{
|
|
CTRL_Event event = zero_struct;
|
|
{
|
|
U64 read_off = 0;
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.kind);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.cause);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.exception_kind);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.msg_id);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.entity);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.parent);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.arch);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.u64_code);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.entity_id);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.vaddr_rng);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.rip_vaddr);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.stack_base);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.tls_root);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.timestamp);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.exception_code);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.rgba);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.bp_flags);
|
|
read_off += str8_deserial_read_struct(string, read_off, &event.string.size);
|
|
event.string.str = push_array_no_zero(arena, U8, event.string.size);
|
|
read_off += str8_deserial_read(string, read_off, event.string.str, event.string.size, 1);
|
|
}
|
|
return event;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Entity Type Functions
|
|
|
|
//- rjf: entity list data structures
|
|
|
|
internal void
|
|
ctrl_entity_list_push(Arena *arena, CTRL_EntityList *list, CTRL_Entity *entity)
|
|
{
|
|
CTRL_EntityNode *n = push_array(arena, CTRL_EntityNode, 1);
|
|
n->v = entity;
|
|
SLLQueuePush(list->first, list->last, n);
|
|
list->count += 1;
|
|
}
|
|
|
|
internal CTRL_EntityList
|
|
ctrl_entity_list_from_handle_list(Arena *arena, CTRL_EntityCtx *ctx, CTRL_HandleList *list)
|
|
{
|
|
CTRL_EntityList result = {0};
|
|
for(CTRL_HandleNode *n = list->first; n != 0; n = n->next)
|
|
{
|
|
CTRL_Entity *entity = ctrl_entity_from_handle(ctx, n->v);
|
|
ctrl_entity_list_push(arena, &result, entity);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: entity array data structure
|
|
|
|
internal CTRL_EntityArray
|
|
ctrl_entity_array_from_list(Arena *arena, CTRL_EntityList *list)
|
|
{
|
|
CTRL_EntityArray result = {0};
|
|
result.count = list->count;
|
|
result.v = push_array_no_zero(arena, CTRL_Entity *, result.count);
|
|
U64 idx = 0;
|
|
for(CTRL_EntityNode *n = list->first; n != 0; n = n->next, idx += 1)
|
|
{
|
|
result.v[idx] = n->v;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: entity context (entity group read-only) functions
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_entity_from_handle(CTRL_EntityCtx *ctx, CTRL_Handle handle)
|
|
{
|
|
CTRL_Entity *entity = &ctrl_entity_nil;
|
|
if(!ctrl_handle_match(handle, ctrl_handle_zero()))
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(handle);
|
|
U64 slot_idx = hash%ctx->hash_slots_count;
|
|
CTRL_EntityHashSlot *slot = &ctx->hash_slots[slot_idx];
|
|
CTRL_EntityHashNode *node = 0;
|
|
for(CTRL_EntityHashNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->entity->handle, handle))
|
|
{
|
|
entity = n->entity;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return entity;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_entity_child_from_kind(CTRL_Entity *parent, CTRL_EntityKind kind)
|
|
{
|
|
CTRL_Entity *result = &ctrl_entity_nil;
|
|
for(CTRL_Entity *child = parent->first;
|
|
child != &ctrl_entity_nil;
|
|
child = child->next)
|
|
{
|
|
if(child->kind == kind)
|
|
{
|
|
result = child;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_entity_ancestor_from_kind(CTRL_Entity *entity, CTRL_EntityKind kind)
|
|
{
|
|
CTRL_Entity *result = &ctrl_entity_nil;
|
|
for(CTRL_Entity *p = entity->parent; p != &ctrl_entity_nil; p = p->parent)
|
|
{
|
|
if(p->kind == kind)
|
|
{
|
|
result = p;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_process_from_entity(CTRL_Entity *entity)
|
|
{
|
|
CTRL_Entity *result = &ctrl_entity_nil;
|
|
if(entity->kind == CTRL_EntityKind_Process)
|
|
{
|
|
result = entity;
|
|
}
|
|
else
|
|
{
|
|
result = ctrl_entity_ancestor_from_kind(entity, CTRL_EntityKind_Process);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_module_from_process_vaddr(CTRL_Entity *process, U64 vaddr)
|
|
{
|
|
CTRL_Entity *result = &ctrl_entity_nil;
|
|
for(CTRL_Entity *child = process->first;
|
|
child != &ctrl_entity_nil;
|
|
child = child->next)
|
|
{
|
|
if(child->kind == CTRL_EntityKind_Module && contains_1u64(child->vaddr_range, vaddr))
|
|
{
|
|
result = child;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal DI2_Key
|
|
ctrl_dbgi_key_from_module(CTRL_Entity *module)
|
|
{
|
|
CTRL_Entity *debug_info_path = ctrl_entity_child_from_kind(module, CTRL_EntityKind_DebugInfoPath);
|
|
DI2_Key dbgi_key = di2_key_from_path_timestamp(debug_info_path->string, debug_info_path->timestamp);
|
|
return dbgi_key;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_module_from_thread_candidates(CTRL_EntityCtx *ctx, CTRL_Entity *thread, CTRL_EntityList *candidates)
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_ancestor_from_kind(thread, CTRL_EntityKind_Process);
|
|
U64 thread_rip_vaddr = ctrl_rip_from_thread(ctx, thread->handle);
|
|
CTRL_Entity *src_module = ctrl_module_from_process_vaddr(process, thread_rip_vaddr);
|
|
CTRL_Entity *module = &ctrl_entity_nil;
|
|
for(CTRL_EntityNode *n = candidates->first; n != 0; n = n->next)
|
|
{
|
|
CTRL_Entity *candidate_module = n->v;
|
|
CTRL_Entity *candidate_process = ctrl_entity_ancestor_from_kind(candidate_module, CTRL_EntityKind_Process);
|
|
if(candidate_process == process)
|
|
{
|
|
module = candidate_module;
|
|
}
|
|
if(candidate_module == src_module)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
return module;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_vaddr_from_voff(CTRL_Entity *module, U64 voff)
|
|
{
|
|
U64 result = voff + module->vaddr_range.min;
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_voff_from_vaddr(CTRL_Entity *module, U64 vaddr)
|
|
{
|
|
U64 result = vaddr - module->vaddr_range.min;
|
|
return result;
|
|
}
|
|
|
|
internal Rng1U64
|
|
ctrl_vaddr_range_from_voff_range(CTRL_Entity *module, Rng1U64 voff_range)
|
|
{
|
|
U64 dim = dim_1u64(voff_range);
|
|
U64 min = ctrl_vaddr_from_voff(module, voff_range.min);
|
|
Rng1U64 result = {min, min+dim};
|
|
return result;
|
|
}
|
|
|
|
internal Rng1U64
|
|
ctrl_voff_range_from_vaddr_range(CTRL_Entity *module, Rng1U64 vaddr_range)
|
|
{
|
|
U64 dim = dim_1u64(vaddr_range);
|
|
U64 min = ctrl_voff_from_vaddr(module, vaddr_range.min);
|
|
Rng1U64 result = {min, min+dim};
|
|
return result;
|
|
}
|
|
|
|
internal B32
|
|
ctrl_entity_tree_is_frozen(CTRL_Entity *root)
|
|
{
|
|
B32 is_frozen = 1;
|
|
for(CTRL_Entity *e = root; e != &ctrl_entity_nil; e = ctrl_entity_rec_depth_first_pre(e, root).next)
|
|
{
|
|
if(e->kind == CTRL_EntityKind_Thread && !e->is_frozen)
|
|
{
|
|
is_frozen = 0;
|
|
break;
|
|
}
|
|
}
|
|
return is_frozen;
|
|
}
|
|
|
|
//- rjf: entity ctx r/w store state functions
|
|
|
|
internal CTRL_EntityCtxRWStore *
|
|
ctrl_entity_ctx_rw_store_alloc(void)
|
|
{
|
|
Arena *arena = arena_alloc();
|
|
CTRL_EntityCtxRWStore *store = push_array(arena, CTRL_EntityCtxRWStore, 1);
|
|
store->arena = arena;
|
|
store->ctx.hash_slots_count = 1024;
|
|
store->ctx.hash_slots = push_array(arena, CTRL_EntityHashSlot, store->ctx.hash_slots_count);
|
|
CTRL_Entity *root = store->ctx.root = ctrl_entity_alloc(store, &ctrl_entity_nil, CTRL_EntityKind_Root, Arch_Null, ctrl_handle_zero(), 0);
|
|
CTRL_Entity *local_machine = ctrl_entity_alloc(store, root, CTRL_EntityKind_Machine, Arch_CURRENT, ctrl_handle_make(CTRL_MachineID_Local, dmn_handle_zero()), 0);
|
|
Temp scratch = scratch_begin(0, 0);
|
|
String8 local_machine_name = push_str8f(scratch.arena, "This PC (%S)", os_get_system_info()->machine_name);
|
|
ctrl_entity_equip_string(store, local_machine, local_machine_name);
|
|
scratch_end(scratch);
|
|
return store;
|
|
}
|
|
|
|
internal void
|
|
ctrl_entity_ctx_rw_store_release(CTRL_EntityCtxRWStore *store)
|
|
{
|
|
arena_release(store->arena);
|
|
}
|
|
|
|
//- rjf: string allocation/deletion
|
|
|
|
internal U64
|
|
ctrl_name_bucket_num_from_string_size(U64 size)
|
|
{
|
|
U64 bucket_num = 0;
|
|
if(size > 0)
|
|
{
|
|
for EachElement(idx, ctrl_entity_string_bucket_chunk_sizes)
|
|
{
|
|
if(size <= ctrl_entity_string_bucket_chunk_sizes[idx])
|
|
{
|
|
bucket_num = idx+1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return bucket_num;
|
|
}
|
|
|
|
internal String8
|
|
ctrl_entity_string_alloc(CTRL_EntityCtxRWStore *store, String8 string)
|
|
{
|
|
//- rjf: allocate node
|
|
CTRL_EntityStringChunkNode *node = 0;
|
|
{
|
|
U64 bucket_num = ctrl_name_bucket_num_from_string_size(string.size);
|
|
if(bucket_num == ArrayCount(ctrl_entity_string_bucket_chunk_sizes))
|
|
{
|
|
CTRL_EntityStringChunkNode *best_node = 0;
|
|
CTRL_EntityStringChunkNode *best_node_prev = 0;
|
|
U64 best_node_size = max_U64;
|
|
{
|
|
for(CTRL_EntityStringChunkNode *n = store->free_string_chunks[bucket_num-1], *prev = 0; n != 0; (prev = n, n = n->next))
|
|
{
|
|
if(n->size >= string.size && n->size < best_node_size)
|
|
{
|
|
best_node = n;
|
|
best_node_prev = prev;
|
|
best_node_size = n->size;
|
|
}
|
|
}
|
|
}
|
|
if(best_node != 0)
|
|
{
|
|
node = best_node;
|
|
if(best_node_prev)
|
|
{
|
|
best_node_prev->next = best_node->next;
|
|
}
|
|
else
|
|
{
|
|
store->free_string_chunks[bucket_num-1] = best_node->next;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
U64 chunk_size = u64_up_to_pow2(string.size);
|
|
node = (CTRL_EntityStringChunkNode *)push_array(store->arena, U8, chunk_size);
|
|
}
|
|
}
|
|
else if(bucket_num != 0)
|
|
{
|
|
node = store->free_string_chunks[bucket_num-1];
|
|
if(node != 0)
|
|
{
|
|
SLLStackPop(store->free_string_chunks[bucket_num-1]);
|
|
}
|
|
else
|
|
{
|
|
node = (CTRL_EntityStringChunkNode *)push_array(store->arena, U8, ctrl_entity_string_bucket_chunk_sizes[bucket_num-1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: fill node
|
|
String8 result = {0};
|
|
if(node != 0)
|
|
{
|
|
result.str = (U8 *)node;
|
|
result.size = string.size;
|
|
MemoryCopy(result.str, string.str, result.size);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal void
|
|
ctrl_entity_string_release(CTRL_EntityCtxRWStore *store, String8 string)
|
|
{
|
|
U64 bucket_num = ctrl_name_bucket_num_from_string_size(string.size);
|
|
if(1 <= bucket_num && bucket_num <= ArrayCount(rd_name_bucket_chunk_sizes))
|
|
{
|
|
U64 bucket_idx = bucket_num-1;
|
|
CTRL_EntityStringChunkNode *node = (CTRL_EntityStringChunkNode *)string.str;
|
|
SLLStackPush(store->free_string_chunks[bucket_idx], node);
|
|
node->size = u64_up_to_pow2(string.size);
|
|
}
|
|
}
|
|
|
|
//- rjf: entity construction/deletion
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_entity_alloc(CTRL_EntityCtxRWStore *store, CTRL_Entity *parent, CTRL_EntityKind kind, Arch arch, CTRL_Handle handle, U64 id)
|
|
{
|
|
CTRL_Entity *entity = &ctrl_entity_nil;
|
|
{
|
|
// rjf: allocate
|
|
entity = store->free;
|
|
{
|
|
if(entity != 0)
|
|
{
|
|
SLLStackPop(store->free);
|
|
}
|
|
else
|
|
{
|
|
entity = push_array_no_zero(store->arena, CTRL_Entity, 1);
|
|
}
|
|
MemoryZeroStruct(entity);
|
|
}
|
|
|
|
// rjf: fill
|
|
{
|
|
entity->kind = kind;
|
|
entity->arch = arch;
|
|
entity->handle = handle;
|
|
entity->id = id;
|
|
entity->parent = parent;
|
|
entity->next = entity->prev = entity->first = entity->last = &ctrl_entity_nil;
|
|
if(parent != &ctrl_entity_nil)
|
|
{
|
|
DLLPushBack_NPZ(&ctrl_entity_nil, parent->first, parent->last, entity, next, prev);
|
|
}
|
|
}
|
|
|
|
// rjf: insert into hash map
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(handle);
|
|
U64 slot_idx = hash%store->ctx.hash_slots_count;
|
|
CTRL_EntityHashSlot *slot = &store->ctx.hash_slots[slot_idx];
|
|
CTRL_EntityHashNode *node = 0;
|
|
for(CTRL_EntityHashNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->entity->handle, handle))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
if(node == 0)
|
|
{
|
|
node = store->hash_node_free;
|
|
if(node != 0)
|
|
{
|
|
SLLStackPop(store->hash_node_free);
|
|
}
|
|
else
|
|
{
|
|
node = push_array_no_zero(store->arena, CTRL_EntityHashNode, 1);
|
|
}
|
|
MemoryZeroStruct(node);
|
|
DLLPushBack(slot->first, slot->last, node);
|
|
node->entity = entity;
|
|
}
|
|
}
|
|
|
|
// rjf: bump counters
|
|
store->ctx.entity_kind_counts[kind] += 1;
|
|
store->ctx.entity_kind_alloc_gens[kind] += 1;
|
|
}
|
|
return entity;
|
|
}
|
|
|
|
internal void
|
|
ctrl_entity_release(CTRL_EntityCtxRWStore *store, CTRL_Entity *entity)
|
|
{
|
|
// rjf: unhook root
|
|
if(entity->parent != &ctrl_entity_nil)
|
|
{
|
|
DLLRemove_NPZ(&ctrl_entity_nil, entity->parent->first, entity->parent->last, entity, next, prev);
|
|
}
|
|
|
|
// rjf: walk every entity in this tree, free each
|
|
if(entity != &ctrl_entity_nil)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
typedef struct Task Task;
|
|
struct Task
|
|
{
|
|
Task *next;
|
|
CTRL_Entity *e;
|
|
};
|
|
Task start_task = {0, entity};
|
|
Task *first_task = &start_task;
|
|
Task *last_task = &start_task;
|
|
for(Task *t = first_task; t != 0; t = t->next)
|
|
{
|
|
for(CTRL_Entity *child = t->e->first; child != &ctrl_entity_nil; child = child->next)
|
|
{
|
|
Task *t = push_array(scratch.arena, Task, 1);
|
|
t->e = child;
|
|
SLLQueuePush(first_task, last_task, t);
|
|
}
|
|
|
|
// rjf: free entity
|
|
SLLStackPush(store->free, t->e);
|
|
|
|
// rjf: remove from hash map
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(t->e->handle);
|
|
U64 slot_idx = hash%store->ctx.hash_slots_count;
|
|
CTRL_EntityHashSlot *slot = &store->ctx.hash_slots[slot_idx];
|
|
CTRL_EntityHashNode *node = 0;
|
|
for(CTRL_EntityHashNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->entity->handle, t->e->handle))
|
|
{
|
|
DLLRemove(slot->first, slot->last, n);
|
|
SLLStackPush(store->hash_node_free, n);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: dec counter
|
|
store->ctx.entity_kind_counts[t->e->kind] -= 1;
|
|
store->ctx.entity_kind_alloc_gens[t->e->kind] += 1;
|
|
}
|
|
scratch_end(scratch);
|
|
}
|
|
}
|
|
|
|
//- rjf: entity equipment
|
|
|
|
internal void
|
|
ctrl_entity_equip_string(CTRL_EntityCtxRWStore *store, CTRL_Entity *entity, String8 string)
|
|
{
|
|
if(entity->string.size != 0)
|
|
{
|
|
ctrl_entity_string_release(store, entity->string);
|
|
}
|
|
entity->string = ctrl_entity_string_alloc(store, string);
|
|
}
|
|
|
|
//- rjf: accelerated entity context lookups
|
|
|
|
internal CTRL_EntityCtxLookupAccel *
|
|
ctrl_thread_entity_ctx_lookup_accel(void)
|
|
{
|
|
if(ctrl_entity_ctx_lookup_accel == 0)
|
|
{
|
|
Arena *arena = arena_alloc();
|
|
ctrl_entity_ctx_lookup_accel = push_array(arena, CTRL_EntityCtxLookupAccel, 1);
|
|
ctrl_entity_ctx_lookup_accel->arena = arena;
|
|
for EachEnumVal(CTRL_EntityKind, k)
|
|
{
|
|
ctrl_entity_ctx_lookup_accel->entity_kind_arrays_arenas[k] = arena_alloc();
|
|
}
|
|
}
|
|
return ctrl_entity_ctx_lookup_accel;
|
|
}
|
|
|
|
internal CTRL_EntityArray
|
|
ctrl_entity_array_from_kind(CTRL_EntityCtx *ctx, CTRL_EntityKind kind)
|
|
{
|
|
CTRL_EntityCtxLookupAccel *accel = ctrl_thread_entity_ctx_lookup_accel();
|
|
if(accel->entity_kind_arrays_gens[kind] != ctx->entity_kind_alloc_gens[kind])
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_EntityList entities = {0};
|
|
for(CTRL_Entity *e = ctx->root;
|
|
e != &ctrl_entity_nil;
|
|
e = ctrl_entity_rec_depth_first_pre(e, ctx->root).next)
|
|
{
|
|
if(e->kind == kind)
|
|
{
|
|
ctrl_entity_list_push(scratch.arena, &entities, e);
|
|
}
|
|
}
|
|
accel->entity_kind_arrays_gens[kind] = ctx->entity_kind_alloc_gens[kind];
|
|
arena_clear(accel->entity_kind_arrays_arenas[kind]);
|
|
accel->entity_kind_arrays[kind] = ctrl_entity_array_from_list(accel->entity_kind_arrays_arenas[kind], &entities);
|
|
scratch_end(scratch);
|
|
}
|
|
return accel->entity_kind_arrays[kind];
|
|
}
|
|
|
|
internal CTRL_EntityList
|
|
ctrl_modules_from_dbgi_key(Arena *arena, CTRL_EntityCtx *ctx, DI2_Key dbgi_key)
|
|
{
|
|
CTRL_EntityList list = {0};
|
|
CTRL_EntityArray all_modules = ctrl_entity_array_from_kind(ctx, CTRL_EntityKind_Module);
|
|
for EachIndex(idx, all_modules.count)
|
|
{
|
|
CTRL_Entity *module = all_modules.v[idx];
|
|
DI2_Key module_dbgi_key = ctrl_dbgi_key_from_module(module);
|
|
if(di2_key_match(module_dbgi_key, dbgi_key))
|
|
{
|
|
ctrl_entity_list_push(arena, &list, module);
|
|
}
|
|
}
|
|
return list;
|
|
}
|
|
|
|
internal CTRL_Entity *
|
|
ctrl_thread_from_id(CTRL_EntityCtx *ctx, U64 id)
|
|
{
|
|
CTRL_Entity *thread = &ctrl_entity_nil;
|
|
CTRL_EntityArray threads = ctrl_entity_array_from_kind(ctx, CTRL_EntityKind_Thread);
|
|
for EachIndex(idx, threads.count)
|
|
{
|
|
if(threads.v[idx]->id == id)
|
|
{
|
|
thread = threads.v[idx];
|
|
}
|
|
}
|
|
return thread;
|
|
}
|
|
|
|
//- rjf: entity tree iteration
|
|
|
|
internal CTRL_EntityRec
|
|
ctrl_entity_rec_depth_first(CTRL_Entity *entity, CTRL_Entity *subtree_root, U64 sib_off, U64 child_off)
|
|
{
|
|
CTRL_EntityRec result = {0};
|
|
result.next = &ctrl_entity_nil;
|
|
if((*MemberFromOffset(CTRL_Entity **, entity, child_off)) != &ctrl_entity_nil)
|
|
{
|
|
result.next = *MemberFromOffset(CTRL_Entity **, entity, child_off);
|
|
result.push_count = 1;
|
|
}
|
|
else for(CTRL_Entity *parent = entity; parent != subtree_root && parent != &ctrl_entity_nil; parent = parent->parent)
|
|
{
|
|
if(parent != subtree_root && (*MemberFromOffset(CTRL_Entity **, parent, sib_off)) != &ctrl_entity_nil)
|
|
{
|
|
result.next = *MemberFromOffset(CTRL_Entity **, parent, sib_off);
|
|
break;
|
|
}
|
|
result.pop_count += 1;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: applying events to entity caches
|
|
|
|
internal void
|
|
ctrl_entity_store_apply_events(CTRL_EntityCtxRWStore *store, CTRL_EventList *list)
|
|
{
|
|
//- rjf: scan events & construct entities
|
|
for(CTRL_EventNode *n = list->first; n != 0; n = n->next)
|
|
{
|
|
CTRL_Event *event = &n->v;
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
|
|
//- rjf: processes
|
|
case CTRL_EventKind_NewProc:
|
|
{
|
|
CTRL_Entity *machine = ctrl_entity_from_handle(&store->ctx, ctrl_handle_make(event->entity.machine_id, dmn_handle_zero()));
|
|
CTRL_Entity *process = ctrl_entity_alloc(store, machine, CTRL_EntityKind_Process, event->arch, event->entity, (U64)event->entity_id);
|
|
}break;
|
|
case CTRL_EventKind_EndProc:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
ctrl_entity_release(store, process);
|
|
for(CTRL_Entity *entry = store->ctx.root->first, *next = &ctrl_entity_nil;
|
|
entry != &ctrl_entity_nil;
|
|
entry = next)
|
|
{
|
|
next = entry->next;
|
|
if(entry->kind == CTRL_EntityKind_EntryPoint && entry->id == process->id)
|
|
{
|
|
ctrl_entity_release(store, entry);
|
|
}
|
|
}
|
|
}break;
|
|
|
|
//- rjf: threads
|
|
case CTRL_EventKind_NewThread:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *thread = ctrl_entity_alloc(store, process, CTRL_EntityKind_Thread, event->arch, event->entity, (U64)event->entity_id);
|
|
CTRL_Entity *first_thread = ctrl_entity_child_from_kind(process, CTRL_EntityKind_Thread);
|
|
if(first_thread == thread)
|
|
{
|
|
ctrl_entity_equip_string(store, thread, str8_lit("main_thread"));
|
|
}
|
|
CTRL_EntityArray pending_thread_names = ctrl_entity_array_from_kind(&store->ctx, CTRL_EntityKind_PendingThreadName);
|
|
for EachIndex(idx, pending_thread_names.count)
|
|
{
|
|
CTRL_Entity *entity = pending_thread_names.v[idx];
|
|
if(entity->id == event->entity_id)
|
|
{
|
|
ctrl_entity_equip_string(store, thread, entity->string);
|
|
ctrl_entity_release(store, entity);
|
|
break;
|
|
}
|
|
}
|
|
CTRL_EntityArray pending_thread_colors = ctrl_entity_array_from_kind(&store->ctx, CTRL_EntityKind_PendingThreadColor);
|
|
for EachIndex(idx, pending_thread_colors.count)
|
|
{
|
|
CTRL_Entity *entity = pending_thread_colors.v[idx];
|
|
if(entity->id == event->entity_id)
|
|
{
|
|
thread->rgba = entity->rgba;
|
|
ctrl_entity_release(store, entity);
|
|
break;
|
|
}
|
|
}
|
|
thread->stack_base = event->stack_base;
|
|
ctrl_rip_from_thread(&store->ctx, event->entity);
|
|
}break;
|
|
case CTRL_EventKind_EndThread:
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
ctrl_entity_release(store, thread);
|
|
}break;
|
|
case CTRL_EventKind_ThreadName:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *thread = &ctrl_entity_nil;
|
|
if(event->entity_id == 0)
|
|
{
|
|
thread = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
}
|
|
else
|
|
{
|
|
thread = ctrl_thread_from_id(&store->ctx, event->entity_id);
|
|
}
|
|
if(thread != &ctrl_entity_nil)
|
|
{
|
|
ctrl_entity_equip_string(store, thread, event->string);
|
|
}
|
|
else
|
|
{
|
|
CTRL_Entity *pending_name = ctrl_entity_alloc(store, process, CTRL_EntityKind_PendingThreadName, Arch_Null, ctrl_handle_zero(), event->entity_id);
|
|
ctrl_entity_equip_string(store, pending_name, event->string);
|
|
}
|
|
}break;
|
|
case CTRL_EventKind_ThreadColor:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *thread = &ctrl_entity_nil;
|
|
if(event->entity_id == 0)
|
|
{
|
|
thread = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
}
|
|
else
|
|
{
|
|
thread = ctrl_thread_from_id(&store->ctx, event->entity_id);
|
|
}
|
|
if(thread != &ctrl_entity_nil)
|
|
{
|
|
thread->rgba = event->rgba;
|
|
}
|
|
else
|
|
{
|
|
CTRL_Entity *pending = ctrl_entity_alloc(store, process, CTRL_EntityKind_PendingThreadColor, Arch_Null, ctrl_handle_zero(), event->entity_id);
|
|
pending->rgba = event->rgba;
|
|
}
|
|
}break;
|
|
case CTRL_EventKind_ThreadFrozen:
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
thread->is_frozen = 1;
|
|
}break;
|
|
case CTRL_EventKind_ThreadThawed:
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
thread->is_frozen = 0;
|
|
}break;
|
|
|
|
//- rjf: modules
|
|
case CTRL_EventKind_NewModule:
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *module = ctrl_entity_alloc(store, process, CTRL_EntityKind_Module, event->arch, event->entity, event->vaddr_rng.min);
|
|
ctrl_entity_equip_string(store, module, event->string);
|
|
module->timestamp = event->timestamp;
|
|
module->vaddr_range = event->vaddr_rng;
|
|
CTRL_Entity *first_module = ctrl_entity_child_from_kind(process, CTRL_EntityKind_Module);
|
|
if(first_module == module)
|
|
{
|
|
ctrl_entity_equip_string(store, process, str8_skip_last_slash(event->string));
|
|
}
|
|
scratch_end(scratch);
|
|
}break;
|
|
case CTRL_EventKind_EndModule:
|
|
{
|
|
CTRL_Entity *module = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
ctrl_entity_release(store, module);
|
|
}break;
|
|
case CTRL_EventKind_ModuleDebugInfoPathChange:
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_Entity *module = ctrl_entity_from_handle(&store->ctx, event->entity);
|
|
CTRL_Entity *debug_info_path = ctrl_entity_child_from_kind(module, CTRL_EntityKind_DebugInfoPath);
|
|
if(debug_info_path == &ctrl_entity_nil)
|
|
{
|
|
debug_info_path = ctrl_entity_alloc(store, module, CTRL_EntityKind_DebugInfoPath, Arch_Null, ctrl_handle_zero(), 0);
|
|
}
|
|
ctrl_entity_equip_string(store, debug_info_path, path_normalized_from_string(scratch.arena, event->string));
|
|
debug_info_path->timestamp = event->timestamp;
|
|
scratch_end(scratch);
|
|
}break;
|
|
|
|
//- rjf: dynamic, program-created breakpoints
|
|
case CTRL_EventKind_SetBreakpoint:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *bp = ctrl_entity_alloc(store, process, CTRL_EntityKind_Breakpoint, Arch_Null, ctrl_handle_zero(), 0);
|
|
bp->vaddr_range = event->vaddr_rng;
|
|
bp->bp_flags = event->bp_flags;
|
|
}break;
|
|
case CTRL_EventKind_UnsetBreakpoint:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
for(CTRL_Entity *child = process->first; child != &ctrl_entity_nil; child = child->next)
|
|
{
|
|
if(child->kind == CTRL_EntityKind_Breakpoint &&
|
|
child->vaddr_range.min == event->vaddr_rng.min &&
|
|
child->vaddr_range.max == event->vaddr_rng.max &&
|
|
child->bp_flags == event->bp_flags)
|
|
{
|
|
ctrl_entity_release(store, child);
|
|
break;
|
|
}
|
|
}
|
|
}break;
|
|
|
|
//- rjf: address range annotations
|
|
case CTRL_EventKind_SetVAddrRangeNote:
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(&store->ctx, event->parent);
|
|
CTRL_Entity *annotation = ctrl_entity_alloc(store, process, CTRL_EntityKind_AddressRangeAnnotation, Arch_Null, ctrl_handle_zero(), 0);
|
|
annotation->vaddr_range = event->vaddr_rng;
|
|
ctrl_entity_equip_string(store, annotation, event->string);
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Main Layer Initialization
|
|
|
|
internal void
|
|
ctrl_init(void)
|
|
{
|
|
Arena *arena = arena_alloc();
|
|
ctrl_state = push_array(arena, CTRL_State, 1);
|
|
ctrl_state->arena = arena;
|
|
for(Arch arch = (Arch)0; arch < Arch_COUNT; arch = (Arch)(arch+1))
|
|
{
|
|
String8 *reg_names = regs_reg_code_string_table_from_arch(arch);
|
|
U64 reg_count = regs_reg_code_count_from_arch(arch);
|
|
String8 *alias_names = regs_alias_code_string_table_from_arch(arch);
|
|
U64 alias_count = regs_alias_code_count_from_arch(arch);
|
|
ctrl_state->arch_string2reg_tables[arch] = e_string2num_map_make(ctrl_state->arena, 256);
|
|
ctrl_state->arch_string2alias_tables[arch] = e_string2num_map_make(ctrl_state->arena, 256);
|
|
for(U64 idx = 1; idx < reg_count; idx += 1)
|
|
{
|
|
e_string2num_map_insert(ctrl_state->arena, &ctrl_state->arch_string2reg_tables[arch], reg_names[idx], idx);
|
|
}
|
|
for(U64 idx = 1; idx < alias_count; idx += 1)
|
|
{
|
|
e_string2num_map_insert(ctrl_state->arena, &ctrl_state->arch_string2alias_tables[arch], alias_names[idx], idx);
|
|
}
|
|
}
|
|
ctrl_state->thread_reg_cache.slots_count = 1024;
|
|
ctrl_state->thread_reg_cache.slots = push_array(arena, CTRL_ThreadRegCacheSlot, ctrl_state->thread_reg_cache.slots_count);
|
|
ctrl_state->thread_reg_cache.stripes_count = os_get_system_info()->logical_processor_count;
|
|
ctrl_state->thread_reg_cache.stripes = push_array(arena, CTRL_ThreadRegCacheStripe, ctrl_state->thread_reg_cache.stripes_count);
|
|
for(U64 idx = 0; idx < ctrl_state->thread_reg_cache.stripes_count; idx += 1)
|
|
{
|
|
ctrl_state->thread_reg_cache.stripes[idx].arena = arena_alloc();
|
|
ctrl_state->thread_reg_cache.stripes[idx].rw_mutex = rw_mutex_alloc();
|
|
}
|
|
ctrl_state->module_image_info_cache.slots_count = 1024;
|
|
ctrl_state->module_image_info_cache.slots = push_array(arena, CTRL_ModuleImageInfoCacheSlot, ctrl_state->module_image_info_cache.slots_count);
|
|
ctrl_state->module_image_info_cache.stripes_count = os_get_system_info()->logical_processor_count;
|
|
ctrl_state->module_image_info_cache.stripes = push_array(arena, CTRL_ModuleImageInfoCacheStripe, ctrl_state->module_image_info_cache.stripes_count);
|
|
for(U64 idx = 0; idx < ctrl_state->module_image_info_cache.stripes_count; idx += 1)
|
|
{
|
|
ctrl_state->module_image_info_cache.stripes[idx].arena = arena_alloc();
|
|
ctrl_state->module_image_info_cache.stripes[idx].rw_mutex = rw_mutex_alloc();
|
|
}
|
|
ctrl_state->u2c_ring_size = KB(64);
|
|
ctrl_state->u2c_ring_base = push_array_no_zero(arena, U8, ctrl_state->u2c_ring_size);
|
|
ctrl_state->u2c_ring_mutex = mutex_alloc();
|
|
ctrl_state->u2c_ring_cv = cond_var_alloc();
|
|
ctrl_state->c2u_ring_size = KB(64);
|
|
ctrl_state->c2u_ring_max_string_size = ctrl_state->c2u_ring_size/2;
|
|
ctrl_state->c2u_ring_base = push_array_no_zero(arena, U8, ctrl_state->c2u_ring_size);
|
|
ctrl_state->c2u_ring_mutex = mutex_alloc();
|
|
ctrl_state->c2u_ring_cv = cond_var_alloc();
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
String8 user_program_data_path = os_get_process_info()->user_program_data_path;
|
|
String8 user_data_folder = push_str8f(scratch.arena, "%S/raddbg/logs", user_program_data_path);
|
|
os_make_directory(user_data_folder);
|
|
ctrl_state->ctrl_thread_log_path = push_str8f(ctrl_state->arena, "%S/ctrl_thread.raddbg_log", user_data_folder);
|
|
os_write_data_to_file_path(ctrl_state->ctrl_thread_log_path, str8_zero());
|
|
scratch_end(scratch);
|
|
}
|
|
ctrl_state->ctrl_thread_entity_ctx_rw_mutex = rw_mutex_alloc();
|
|
ctrl_state->ctrl_thread_entity_store = ctrl_entity_ctx_rw_store_alloc();
|
|
ctrl_state->ctrl_thread_eval_cache = e_cache_alloc();
|
|
ctrl_state->ctrl_thread_msg_process_arena = arena_alloc();
|
|
ctrl_state->dmn_event_arena = arena_alloc();
|
|
ctrl_state->user_entry_point_arena = arena_alloc();
|
|
ctrl_state->dbg_dir_arena = arena_alloc();
|
|
for(CTRL_ExceptionCodeKind k = (CTRL_ExceptionCodeKind)0; k < CTRL_ExceptionCodeKind_COUNT; k = (CTRL_ExceptionCodeKind)(k+1))
|
|
{
|
|
if(ctrl_exception_code_kind_default_enable_table[k])
|
|
{
|
|
ctrl_state->exception_code_filters[k/64] |= 1ull<<(k%64);
|
|
}
|
|
}
|
|
ctrl_state->ctrl_thread_log = log_alloc();
|
|
ctrl_state->ctrl_thread = thread_launch(ctrl_thread__entry_point, 0);
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Wakeup Callback Registration
|
|
|
|
internal void
|
|
ctrl_set_wakeup_hook(CTRL_WakeupFunctionType *wakeup_hook)
|
|
{
|
|
ctrl_state->wakeup_hook = wakeup_hook;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Thread Register Functions
|
|
|
|
//- rjf: thread register cache reading
|
|
|
|
internal void *
|
|
ctrl_reg_block_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle handle)
|
|
{
|
|
CTRL_ThreadRegCache *cache = &ctrl_state->thread_reg_cache;
|
|
CTRL_Entity *thread_entity = ctrl_entity_from_handle(ctx, handle);
|
|
Arch arch = thread_entity->arch;
|
|
U64 reg_block_size = regs_block_size_from_arch(arch);
|
|
U64 hash = ctrl_hash_from_handle(handle);
|
|
U64 slot_idx = hash%cache->slots_count;
|
|
U64 stripe_idx = slot_idx%cache->stripes_count;
|
|
CTRL_ThreadRegCacheSlot *slot = &cache->slots[slot_idx];
|
|
CTRL_ThreadRegCacheStripe *stripe = &cache->stripes[stripe_idx];
|
|
void *result = push_array(arena, U8, reg_block_size);
|
|
MutexScopeW(stripe->rw_mutex)
|
|
{
|
|
// rjf: find existing node
|
|
CTRL_ThreadRegCacheNode *node = 0;
|
|
for(CTRL_ThreadRegCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->handle, handle))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rjf: allocate existing node
|
|
if(!node)
|
|
{
|
|
node = push_array(stripe->arena, CTRL_ThreadRegCacheNode, 1);
|
|
DLLPushBack(slot->first, slot->last, node);
|
|
node->handle = handle;
|
|
node->block_size = reg_block_size;
|
|
node->block = push_array(stripe->arena, U8, reg_block_size);
|
|
}
|
|
|
|
// rjf: copy from node
|
|
if(node)
|
|
{
|
|
U64 current_reg_gen = ctrl_reg_gen();
|
|
B32 need_stale = 1;
|
|
if(node->reg_gen != current_reg_gen && dmn_thread_read_reg_block(handle.dmn_handle, result))
|
|
{
|
|
if(node != 0)
|
|
{
|
|
need_stale = 0;
|
|
node->reg_gen = current_reg_gen;
|
|
MemoryCopy(node->block, result, reg_block_size);
|
|
}
|
|
}
|
|
if(need_stale)
|
|
{
|
|
MemoryCopy(result, node->block, reg_block_size);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_tls_root_vaddr_from_thread(CTRL_EntityCtx *ctx, CTRL_Handle handle)
|
|
{
|
|
U64 result = dmn_tls_root_vaddr_from_thread(handle.dmn_handle);
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_rip_from_thread(CTRL_EntityCtx *ctx, CTRL_Handle handle)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_Entity *thread_entity = ctrl_entity_from_handle(ctx, handle);
|
|
Arch arch = thread_entity->arch;
|
|
void *block = ctrl_reg_block_from_thread(scratch.arena, ctx, handle);
|
|
U64 result = regs_rip_from_arch_block(arch, block);
|
|
scratch_end(scratch);
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_rsp_from_thread(CTRL_EntityCtx *ctx, CTRL_Handle handle)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_Entity *thread_entity = ctrl_entity_from_handle(ctx, handle);
|
|
Arch arch = thread_entity->arch;
|
|
void *block = ctrl_reg_block_from_thread(scratch.arena, ctx, handle);
|
|
U64 result = regs_rsp_from_arch_block(arch, block);
|
|
scratch_end(scratch);
|
|
return result;
|
|
}
|
|
|
|
//- rjf: thread register writing
|
|
|
|
internal B32
|
|
ctrl_thread_write_reg_block(CTRL_Handle thread, void *block)
|
|
{
|
|
// TODO(rjf): @callstacks immediately reflect this in the call stack cache
|
|
B32 good = dmn_thread_write_reg_block(thread.dmn_handle, block);
|
|
if(good)
|
|
{
|
|
ins_atomic_u64_inc_eval(&ctrl_state->reg_gen);
|
|
}
|
|
return good;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Module Image Info Functions
|
|
|
|
//- rjf: cache lookups
|
|
|
|
internal PE_IntelPdata *
|
|
ctrl_intel_pdata_from_module_voff(Arena *arena, CTRL_Handle module_handle, U64 voff)
|
|
{
|
|
PE_IntelPdata *first_pdata = 0;
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(module_handle);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeR(stripe->rw_mutex) for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module_handle))
|
|
{
|
|
PE_IntelPdata *pdatas = n->pdatas;
|
|
U64 pdatas_count = n->pdatas_count;
|
|
if(n->pdatas_count != 0 && voff >= n->pdatas[0].voff_first)
|
|
{
|
|
// NOTE(rjf):
|
|
//
|
|
// binary search:
|
|
// find max index s.t. pdata_array[index].voff_first <= voff
|
|
// we assume (i < j) -> (pdata_array[i].voff_first < pdata_array[j].voff_first)
|
|
U64 index = pdatas_count;
|
|
U64 min = 0;
|
|
U64 opl = pdatas_count;
|
|
for(;;)
|
|
{
|
|
U64 mid = (min + opl)/2;
|
|
PE_IntelPdata *pdata = pdatas + mid;
|
|
if(voff < pdata->voff_first)
|
|
{
|
|
opl = mid;
|
|
}
|
|
else if(pdata->voff_first < voff)
|
|
{
|
|
min = mid;
|
|
}
|
|
else
|
|
{
|
|
index = mid;
|
|
break;
|
|
}
|
|
if(min + 1 >= opl)
|
|
{
|
|
index = min;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rjf: if we are in range fill result
|
|
{
|
|
PE_IntelPdata *pdata = pdatas + index;
|
|
if(pdata->voff_first <= voff && voff < pdata->voff_one_past_last)
|
|
{
|
|
first_pdata = push_array(arena, PE_IntelPdata, 1);
|
|
MemoryCopyStruct(first_pdata, pdata);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return first_pdata;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_entry_point_voff_from_module(CTRL_Handle module_handle)
|
|
{
|
|
U64 result = 0;
|
|
U64 hash = ctrl_hash_from_handle(module_handle);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeR(stripe->rw_mutex) for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module_handle))
|
|
{
|
|
result = n->entry_point_voff;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal Rng1U64
|
|
ctrl_tls_vaddr_range_from_module(CTRL_Handle module_handle)
|
|
{
|
|
Rng1U64 result = {0};
|
|
U64 hash = ctrl_hash_from_handle(module_handle);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeR(stripe->rw_mutex) for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module_handle))
|
|
{
|
|
result = n->tls_vaddr_range;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal String8
|
|
ctrl_initial_debug_info_path_from_module(Arena *arena, CTRL_Handle module_handle)
|
|
{
|
|
String8 result = {0};
|
|
U64 hash = ctrl_hash_from_handle(module_handle);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeR(stripe->rw_mutex) for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module_handle))
|
|
{
|
|
result = push_str8_copy(arena, n->initial_debug_info_path);
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal String8
|
|
ctrl_raddbg_data_from_module(Arena *arena, CTRL_Handle module_handle)
|
|
{
|
|
String8 result = {0};
|
|
U64 hash = ctrl_hash_from_handle(module_handle);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeR(stripe->rw_mutex) for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module_handle))
|
|
{
|
|
result = push_str8_copy(arena, n->raddbg_data);
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Unwinding Functions
|
|
|
|
//- rjf: unwind deep copier
|
|
|
|
internal CTRL_Unwind
|
|
ctrl_unwind_deep_copy(Arena *arena, Arch arch, CTRL_Unwind *src)
|
|
{
|
|
CTRL_Unwind dst = {0};
|
|
{
|
|
dst.flags = src->flags;
|
|
dst.frames.count = src->frames.count;
|
|
dst.frames.v = push_array(arena, CTRL_UnwindFrame, dst.frames.count);
|
|
MemoryCopy(dst.frames.v, src->frames.v, sizeof(dst.frames.v[0])*dst.frames.count);
|
|
U64 block_size = regs_block_size_from_arch(arch);
|
|
for(U64 idx = 0; idx < dst.frames.count; idx += 1)
|
|
{
|
|
dst.frames.v[idx].regs = push_array_no_zero(arena, U8, block_size);
|
|
MemoryCopy(dst.frames.v[idx].regs, src->frames.v[idx].regs, block_size);
|
|
}
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
//- rjf: [x64]
|
|
|
|
internal REGS_Reg64 *
|
|
ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(REGS_RegBlockX64 *regs, PE_UnwindGprRegX64 gpr_reg)
|
|
{
|
|
local_persist REGS_Reg64 dummy = {0};
|
|
REGS_Reg64 *result = &dummy;
|
|
switch(gpr_reg)
|
|
{
|
|
case PE_UnwindGprRegX64_RAX:{result = ®s->rax;}break;
|
|
case PE_UnwindGprRegX64_RCX:{result = ®s->rcx;}break;
|
|
case PE_UnwindGprRegX64_RDX:{result = ®s->rdx;}break;
|
|
case PE_UnwindGprRegX64_RBX:{result = ®s->rbx;}break;
|
|
case PE_UnwindGprRegX64_RSP:{result = ®s->rsp;}break;
|
|
case PE_UnwindGprRegX64_RBP:{result = ®s->rbp;}break;
|
|
case PE_UnwindGprRegX64_RSI:{result = ®s->rsi;}break;
|
|
case PE_UnwindGprRegX64_RDI:{result = ®s->rdi;}break;
|
|
case PE_UnwindGprRegX64_R8 :{result = ®s->r8 ;}break;
|
|
case PE_UnwindGprRegX64_R9 :{result = ®s->r9 ;}break;
|
|
case PE_UnwindGprRegX64_R10:{result = ®s->r10;}break;
|
|
case PE_UnwindGprRegX64_R11:{result = ®s->r11;}break;
|
|
case PE_UnwindGprRegX64_R12:{result = ®s->r12;}break;
|
|
case PE_UnwindGprRegX64_R13:{result = ®s->r13;}break;
|
|
case PE_UnwindGprRegX64_R14:{result = ®s->r14;}break;
|
|
case PE_UnwindGprRegX64_R15:{result = ®s->r15;}break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
internal CTRL_UnwindStepResult
|
|
ctrl_unwind_step__pe_x64(CTRL_Handle process_handle, CTRL_Handle module_handle, U64 module_base_vaddr, REGS_RegBlockX64 *regs, U64 endt_us)
|
|
{
|
|
B32 is_stale = 0;
|
|
B32 is_good = 1;
|
|
Temp scratch = scratch_begin(0, 0);
|
|
|
|
//////////////////////////////
|
|
//- rjf: unpack parameters
|
|
//
|
|
U64 rip_voff = regs->rip.u64 - module_base_vaddr;
|
|
|
|
//////////////////////////////
|
|
//- rjf: rip_voff -> first pdata
|
|
//
|
|
PE_IntelPdata *first_pdata = ctrl_intel_pdata_from_module_voff(scratch.arena, module_handle, rip_voff);
|
|
|
|
//////////////////////////////
|
|
//- rjf: pdata -> detect if in epilog
|
|
//
|
|
B32 has_pdata_and_in_epilog = 0;
|
|
if(first_pdata) ProfScope("pdata -> detect if in epilog")
|
|
{
|
|
// NOTE(allen): There are restrictions placed on how an epilog is allowed
|
|
// to be formed (https://docs.microsoft.com/en-us/cpp/build/prolog-and-epilog?view=msvc-160)
|
|
// Here we interpret machine code directly according to the rules
|
|
// given there to determine if the code we're looking at looks like an epilog.
|
|
|
|
//- rjf: set up parsing state
|
|
B32 is_epilog = 0;
|
|
B32 keep_parsing = 1;
|
|
U64 read_vaddr = regs->rip.u64;
|
|
U64 read_vaddr_opl = read_vaddr + 256;
|
|
|
|
//- rjf: check first instruction
|
|
{
|
|
B32 inst_good = 0;
|
|
U8 inst[4] = {0};
|
|
if(read_vaddr + sizeof(inst) <= read_vaddr_opl)
|
|
{
|
|
inst_good = ctrl_process_memory_read(process_handle, r1u64(read_vaddr, read_vaddr+sizeof(inst)), &is_stale, inst, endt_us);
|
|
inst_good = inst_good && !is_stale;
|
|
}
|
|
if(!inst_good)
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
else if((inst[0] & 0xF8) == 0x48)
|
|
{
|
|
switch(inst[1])
|
|
{
|
|
// rjf: add $nnnn,%rsp
|
|
case 0x81:
|
|
{
|
|
if(inst[0] == 0x48 && inst[2] == 0xC4)
|
|
{
|
|
read_vaddr += 7;
|
|
}
|
|
else
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
}break;
|
|
|
|
// rjf: add $n,%rsp
|
|
case 0x83:
|
|
{
|
|
if(inst[0] == 0x48 && inst[2] == 0xC4)
|
|
{
|
|
read_vaddr += 4;
|
|
}
|
|
else
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
}break;
|
|
|
|
// rjf: lea n(reg),%rsp
|
|
case 0x8D:
|
|
{
|
|
if((inst[0] & 0x06) == 0 &&
|
|
((inst[2] >> 3) & 0x07) == 0x04 &&
|
|
(inst[2] & 0x07) != 0x04)
|
|
{
|
|
U8 imm_size = (inst[2] >> 6);
|
|
|
|
// rjf: 1-byte immediate
|
|
if(imm_size == 1)
|
|
{
|
|
read_vaddr += 4;
|
|
}
|
|
|
|
// rjf: 4-byte immediate
|
|
else if(imm_size == 2)
|
|
{
|
|
read_vaddr += 7;
|
|
}
|
|
|
|
// rjf: other case
|
|
else
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: continue parsing instructions
|
|
for(;keep_parsing;)
|
|
{
|
|
// rjf: read next instruction byte
|
|
B32 inst_byte_good = 0;
|
|
U8 inst_byte = 0;
|
|
if(read_vaddr + sizeof(inst_byte) <= read_vaddr_opl)
|
|
{
|
|
inst_byte_good = ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &inst_byte, endt_us);
|
|
}
|
|
if(!inst_byte_good || is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
|
|
// rjf: when (... I don't know ...) rely on the next byte
|
|
B32 check_inst_byte_good = inst_byte_good;
|
|
U64 check_vaddr = read_vaddr;
|
|
U8 check_inst_byte = inst_byte;
|
|
if(inst_byte_good && (inst_byte & 0xF0) == 0x40)
|
|
{
|
|
check_vaddr = read_vaddr + 1;
|
|
if(read_vaddr + sizeof(check_inst_byte) <= read_vaddr_opl)
|
|
{
|
|
check_inst_byte_good = ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &check_inst_byte, endt_us);
|
|
}
|
|
if(!check_inst_byte_good || is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
}
|
|
|
|
// rjf: check instruction byte
|
|
if(check_inst_byte_good)
|
|
{
|
|
switch(check_inst_byte)
|
|
{
|
|
// rjf: pop
|
|
case 0x58:case 0x59:case 0x5A:case 0x5B:
|
|
case 0x5C:case 0x5D:case 0x5E:case 0x5F:
|
|
{
|
|
read_vaddr = check_vaddr + 1;
|
|
}break;
|
|
|
|
// rjf: ret
|
|
case 0xC2:
|
|
case 0xC3:
|
|
{
|
|
is_epilog = 1;
|
|
keep_parsing = 0;
|
|
}break;
|
|
|
|
// rjf: jmp nnnn
|
|
case 0xE9:
|
|
{
|
|
U64 imm_vaddr = check_vaddr + 1;
|
|
S32 imm = 0;
|
|
B32 imm_good = 0;
|
|
if(read_vaddr + sizeof(imm) <= read_vaddr_opl)
|
|
{
|
|
imm_good = ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm, endt_us);
|
|
}
|
|
if(!imm_good || is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
if(imm_good)
|
|
{
|
|
U64 next_vaddr = (U64)(imm_vaddr + sizeof(imm) + imm);
|
|
U64 next_voff = next_vaddr - module_base_vaddr; // TODO(rjf): verify that this offset is from module base vaddr, not section
|
|
if(!(first_pdata->voff_first <= next_voff && next_voff < first_pdata->voff_one_past_last))
|
|
{
|
|
keep_parsing = 0;
|
|
}
|
|
else
|
|
{
|
|
read_vaddr = next_vaddr;
|
|
}
|
|
}
|
|
// TODO(allen): why isn't this just the end of the epilog?
|
|
}break;
|
|
|
|
// rjf: rep; ret (for amd64 prediction bug)
|
|
case 0xF3:
|
|
{
|
|
U8 next_inst_byte = 0;
|
|
B32 next_inst_byte_good = 0;
|
|
if(read_vaddr + sizeof(next_inst_byte) <= read_vaddr_opl)
|
|
{
|
|
next_inst_byte_good = ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &next_inst_byte, endt_us);
|
|
}
|
|
if(next_inst_byte_good)
|
|
{
|
|
is_epilog = (next_inst_byte == 0xC3);
|
|
}
|
|
keep_parsing = 0;
|
|
}break;
|
|
|
|
default:{keep_parsing = 0;}break;
|
|
}
|
|
}
|
|
}
|
|
has_pdata_and_in_epilog = is_epilog;
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: pdata & in epilog -> epilog unwind
|
|
//
|
|
if(first_pdata && has_pdata_and_in_epilog) ProfScope("pdata & in epilog -> epilog unwind")
|
|
{
|
|
U64 read_vaddr = regs->rip.u64;
|
|
for(B32 keep_parsing = 1;keep_parsing != 0;)
|
|
{
|
|
//- rjf: assume no more parsing after this instruction
|
|
keep_parsing = 0;
|
|
|
|
//- rjf: read next instruction byte
|
|
U8 inst_byte = 0;
|
|
is_good = is_good && ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &inst_byte, endt_us);
|
|
is_good = is_good && !is_stale;
|
|
read_vaddr += 1;
|
|
|
|
//- rjf: extract rex from instruction byte
|
|
U8 rex = 0;
|
|
if((inst_byte & 0xF0) == 0x40)
|
|
{
|
|
rex = inst_byte & 0xF; // rex prefix
|
|
is_good = is_good && ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &inst_byte, endt_us);
|
|
is_good = is_good && !is_stale;
|
|
read_vaddr += 1;
|
|
}
|
|
|
|
//- rjf: parse remainder of instruction
|
|
switch(inst_byte)
|
|
{
|
|
// rjf: pop
|
|
case 0x58:
|
|
case 0x59:
|
|
case 0x5A:
|
|
case 0x5B:
|
|
case 0x5C:
|
|
case 0x5D:
|
|
case 0x5E:
|
|
case 0x5F:
|
|
{
|
|
// rjf: read value at rsp
|
|
U64 sp = regs->rsp.u64;
|
|
U64 value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp, &is_stale, &value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: modify registers
|
|
PE_UnwindGprRegX64 gpr_reg = (inst_byte - 0x58) + (rex & 1)*8;
|
|
REGS_Reg64 *reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, gpr_reg);
|
|
reg->u64 = value;
|
|
regs->rsp.u64 = sp + 8;
|
|
|
|
// rjf: not a final instruction, so keep mparsing
|
|
keep_parsing = 1;
|
|
}break;
|
|
|
|
// rjf: add $nnnn,%rsp
|
|
case 0x81:
|
|
{
|
|
// rjf: skip one byte (we already know what it is in this scenario)
|
|
read_vaddr += 1;
|
|
|
|
// rjf: read the 4-byte immediate
|
|
S32 imm = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
read_vaddr += 4;
|
|
|
|
// rjf: update stack pointer
|
|
regs->rsp.u64 = (U64)(regs->rsp.u64 + imm);
|
|
|
|
// rjf: not a final instruction; keep parsing
|
|
keep_parsing = 1;
|
|
}break;
|
|
|
|
// rjf: add $n,%rsp
|
|
case 0x83:
|
|
{
|
|
// rjf: skip one byte (we already know what it is in this scenario)
|
|
read_vaddr += 1;
|
|
|
|
// rjf: read the 4-byte immediate
|
|
S8 imm = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
read_vaddr += 1;
|
|
|
|
// rjf: update stack pointer
|
|
regs->rsp.u64 = (U64)(regs->rsp.u64 + imm);
|
|
|
|
// rjf: not a final instruction; keep parsing
|
|
keep_parsing = 1;
|
|
}break;
|
|
|
|
// rjf: lea imm8/imm32,$rsp
|
|
case 0x8D:
|
|
{
|
|
// rjf: read source register
|
|
U8 modrm = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &modrm, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
read_vaddr += 1;
|
|
PE_UnwindGprRegX64 gpr_reg = (modrm & 7) + (rex & 1)*8;
|
|
REGS_Reg64 *reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, gpr_reg);
|
|
U64 reg_value = reg->u64;
|
|
|
|
// rjf: read immediate
|
|
S32 imm = 0;
|
|
{
|
|
// rjf: read 1-byte immediate
|
|
if((modrm >> 6) == 1)
|
|
{
|
|
S8 imm8 = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm8, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
read_vaddr += 1;
|
|
imm = (S32)imm8;
|
|
}
|
|
|
|
// rjf: read 4-byte immediate
|
|
else
|
|
{
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
read_vaddr += 4;
|
|
}
|
|
}
|
|
|
|
// rjf: update stack pointer
|
|
regs->rsp.u64 = (U64)(reg_value + imm);
|
|
|
|
// rjf: not a final instruction; keep parsing
|
|
keep_parsing = 1;
|
|
}break;
|
|
|
|
// rjf: ret $nn
|
|
case 0xC2:
|
|
{
|
|
// rjf: read new ip
|
|
U64 sp = regs->rsp.u64;
|
|
U64 new_ip = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp, &is_stale, &new_ip, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: read 2-byte immediate & advance stack pointer
|
|
U16 imm = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, read_vaddr, &is_stale, &imm, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
U64 new_sp = sp + 8 + imm;
|
|
|
|
// rjf: commit registers
|
|
regs->rip.u64 = new_ip;
|
|
regs->rsp.u64 = new_sp;
|
|
}break;
|
|
|
|
// rjf: ret / rep; ret
|
|
case 0xF3:
|
|
{
|
|
// Assert(!"Hit me!");
|
|
}break;
|
|
case 0xC3:
|
|
{
|
|
// rjf: read new ip
|
|
U64 sp = regs->rsp.u64;
|
|
U64 new_ip = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp, &is_stale, &new_ip, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: advance stack pointer
|
|
U64 new_sp = sp + 8;
|
|
|
|
// rjf: commit registers
|
|
regs->rip.u64 = new_ip;
|
|
regs->rsp.u64 = new_sp;
|
|
}break;
|
|
|
|
// rjf: jmp nnnn
|
|
case 0xE9:
|
|
{
|
|
// Assert(!"Hit Me");
|
|
// TODO(allen): general idea: read the immediate, move the ip, leave the sp, done
|
|
// we don't have any cases to exercise this right now. no guess implementation!
|
|
}break;
|
|
|
|
// rjf: Sjmp n
|
|
case 0xEB:
|
|
{
|
|
// Assert(!"Hit Me");
|
|
// TODO(allen): general idea: read the immediate, move the ip, leave the sp, done
|
|
// we don't have any cases to exercise this right now. no guess implementation!
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: pdata & not in epilog -> xdata unwind
|
|
//
|
|
B32 xdata_unwind_did_machframe = 0;
|
|
if(first_pdata && !has_pdata_and_in_epilog) ProfScope("pdata & not in epilog -> xdata unwind")
|
|
{
|
|
//- rjf: get frame reg
|
|
B32 bad_frame_reg_info = 0;
|
|
REGS_Reg64 *frame_reg = 0;
|
|
U64 frame_off = 0;
|
|
{
|
|
U64 unwind_info_off = first_pdata->voff_unwind_info;
|
|
PE_UnwindInfo unwind_info = {0};
|
|
if(!ctrl_process_memory_read_struct(process_handle, module_base_vaddr+unwind_info_off, &is_stale, &unwind_info, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
}
|
|
U32 frame_reg_id = PE_UNWIND_INFO_REG_FROM_FRAME(unwind_info.frame);
|
|
U64 frame_off_val = PE_UNWIND_INFO_OFF_FROM_FRAME(unwind_info.frame);
|
|
if(frame_reg_id != 0)
|
|
{
|
|
frame_reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, frame_reg_id);
|
|
bad_frame_reg_info = (frame_reg == 0); // NOTE(rjf): frame_reg should never be 0 at this point, in valid exe
|
|
}
|
|
frame_off = frame_off_val;
|
|
}
|
|
|
|
//- rjf: iterate pdatas, apply opcodes
|
|
PE_IntelPdata *last_pdata = 0;
|
|
PE_IntelPdata *pdata = first_pdata;
|
|
if(!bad_frame_reg_info) for(B32 keep_parsing = 1; keep_parsing && pdata != last_pdata;)
|
|
{
|
|
//- rjf: unpack unwind info & codes
|
|
B32 good_unwind_info = 1;
|
|
U64 unwind_info_off = pdata->voff_unwind_info;
|
|
PE_UnwindInfo unwind_info = {0};
|
|
good_unwind_info = good_unwind_info && ctrl_process_memory_read_struct(process_handle, module_base_vaddr+unwind_info_off, &is_stale, &unwind_info, endt_us);
|
|
PE_UnwindCode *unwind_codes = push_array(scratch.arena, PE_UnwindCode, unwind_info.codes_num);
|
|
good_unwind_info = good_unwind_info && ctrl_process_memory_read(process_handle, r1u64(module_base_vaddr+unwind_info_off+sizeof(unwind_info),
|
|
module_base_vaddr+unwind_info_off+sizeof(unwind_info)+sizeof(PE_UnwindCode)*unwind_info.codes_num),
|
|
&is_stale, unwind_codes, endt_us);
|
|
good_unwind_info = good_unwind_info && !is_stale;
|
|
|
|
//- rjf: bad unwind info -> abort
|
|
if(!good_unwind_info)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
//- rjf: unpack frame base
|
|
U64 frame_base = regs->rsp.u64;
|
|
if(frame_reg != 0)
|
|
{
|
|
U64 raw_frame_base = frame_reg->u64;
|
|
U64 adjusted_frame_base = raw_frame_base - frame_off*16;
|
|
frame_base = adjusted_frame_base;
|
|
}
|
|
|
|
//- rjf: apply opcodes
|
|
PE_UnwindCode *code_ptr = unwind_codes;
|
|
PE_UnwindCode *code_opl = unwind_codes + unwind_info.codes_num;
|
|
for(PE_UnwindCode *next_code_ptr = 0; code_ptr < code_opl; code_ptr = next_code_ptr)
|
|
{
|
|
// rjf: unpack opcode info
|
|
U32 op_code = PE_UNWIND_OPCODE_FROM_FLAGS(code_ptr->flags);
|
|
U32 op_info = PE_UNWIND_INFO_FROM_FLAGS(code_ptr->flags);
|
|
U32 slot_count = pe_slot_count_from_unwind_op_code(op_code);
|
|
if(op_code == PE_UnwindOpCode_ALLOC_LARGE && op_info == 1)
|
|
{
|
|
slot_count += 1;
|
|
}
|
|
|
|
// rjf: detect bad slot counts
|
|
if(slot_count == 0 || code_ptr+slot_count > code_opl)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: set next op code pointer
|
|
next_code_ptr = code_ptr + slot_count;
|
|
|
|
// rjf: interpret this op code
|
|
U64 code_voff = pdata->voff_first + code_ptr->off_in_prolog;
|
|
if(code_voff <= rip_voff)
|
|
{
|
|
switch(op_code)
|
|
{
|
|
case PE_UnwindOpCode_PUSH_NONVOL:
|
|
{
|
|
// rjf: read value from stack pointer
|
|
U64 rsp = regs->rsp.u64;
|
|
U64 value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, rsp, &is_stale, &value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: advance stack ptr
|
|
U64 new_rsp = rsp + 8;
|
|
|
|
// rjf: commit registers
|
|
REGS_Reg64 *reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, op_info);
|
|
reg->u64 = value;
|
|
regs->rsp.u64 = new_rsp;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_ALLOC_LARGE:
|
|
{
|
|
// rjf: read alloc size
|
|
U64 size = 0;
|
|
if(op_info == 0)
|
|
{
|
|
size = code_ptr[1].u16*8;
|
|
}
|
|
else if(op_info == 1)
|
|
{
|
|
size = code_ptr[1].u16 + ((U32)code_ptr[2].u16 << 16);
|
|
}
|
|
else
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: advance stack pointer
|
|
U64 rsp = regs->rsp.u64;
|
|
U64 new_rsp = rsp + size;
|
|
|
|
// rjf: advance stack pointer
|
|
regs->rsp.u64 = new_rsp;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_ALLOC_SMALL:
|
|
{
|
|
// rjf: advance stack pointer
|
|
regs->rsp.u64 += op_info*8 + 8;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SET_FPREG:
|
|
{
|
|
// rjf: put stack pointer back to the frame base
|
|
regs->rsp.u64 = frame_base;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SAVE_NONVOL:
|
|
{
|
|
// rjf: read value from frame base
|
|
U64 off = code_ptr[1].u16*8;
|
|
U64 addr = frame_base + off;
|
|
U64 value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, addr, &is_stale, &value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: commit to register
|
|
REGS_Reg64 *reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, op_info);
|
|
reg->u64 = value;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SAVE_NONVOL_FAR:
|
|
{
|
|
// rjf: read value from frame base
|
|
U64 off = code_ptr[1].u16 + ((U32)code_ptr[2].u16 << 16);
|
|
U64 addr = frame_base + off;
|
|
U64 value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, addr, &is_stale, &value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: commit to register
|
|
REGS_Reg64 *reg = ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(regs, op_info);
|
|
reg->u64 = value;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_EPILOG:
|
|
{
|
|
keep_parsing = 1;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SPARE_CODE:
|
|
{
|
|
// TODO(rjf): ???
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SAVE_XMM128:
|
|
{
|
|
// rjf: read new register values
|
|
U8 buf[16];
|
|
U64 off = code_ptr[1].u16*16;
|
|
U64 addr = frame_base + off;
|
|
if(!ctrl_process_memory_read(process_handle, r1u64(addr, addr+sizeof(buf)), &is_stale, buf, endt_us))
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: commit to register
|
|
void *xmm_reg = (®s->zmm0) + op_info;
|
|
MemoryCopy(xmm_reg, buf, sizeof(buf));
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_SAVE_XMM128_FAR:
|
|
{
|
|
// rjf: read new register values
|
|
U8 buf[16];
|
|
U64 off = code_ptr[1].u16 + ((U32)code_ptr[2].u16 << 16);
|
|
U64 addr = frame_base + off;
|
|
if(!ctrl_process_memory_read(process_handle, r1u64(addr, addr+16), &is_stale, buf, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: commit to register
|
|
void *xmm_reg = (®s->zmm0) + op_info;
|
|
MemoryCopy(xmm_reg, buf, sizeof(buf));
|
|
}break;
|
|
|
|
case PE_UnwindOpCode_PUSH_MACHFRAME:
|
|
{
|
|
// NOTE(rjf): this was found by stepping through kernel code after an exception was
|
|
// thrown, encountered in the exception_stepping_tests (after the throw) in mule_main
|
|
if(op_info > 1)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: read values
|
|
U64 sp_og = regs->rsp.u64;
|
|
U64 sp_adj = sp_og;
|
|
if(op_info == 1)
|
|
{
|
|
sp_adj += 8;
|
|
}
|
|
U64 ip_value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp_adj, &is_stale, &ip_value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
U64 sp_after_ip = sp_adj + 8;
|
|
U16 ss_value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp_after_ip, &is_stale, &ss_value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
U64 sp_after_ss = sp_after_ip + 8;
|
|
U64 rflags_value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp_after_ss, &is_stale, &rflags_value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
U64 sp_after_rflags = sp_after_ss + 8;
|
|
U64 sp_value = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, sp_after_rflags, &is_stale, &sp_value, endt_us) ||
|
|
is_stale)
|
|
{
|
|
keep_parsing = 0;
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
|
|
// rjf: commit registers
|
|
regs->rip.u64 = ip_value;
|
|
regs->ss.u16 = ss_value;
|
|
regs->rflags.u64 = rflags_value;
|
|
regs->rsp.u64 = sp_value;
|
|
|
|
// rjf: mark machine frame
|
|
xdata_unwind_did_machframe = 1;
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: iterate to next pdata
|
|
if(keep_parsing)
|
|
{
|
|
U32 flags = PE_UNWIND_INFO_FLAGS_FROM_HDR(unwind_info.header);
|
|
if(!(flags & PE_UnwindInfoFlag_CHAINED))
|
|
{
|
|
break;
|
|
}
|
|
U64 code_count_rounded = AlignPow2(unwind_info.codes_num, sizeof(PE_UnwindCode));
|
|
U64 code_size = code_count_rounded*sizeof(PE_UnwindCode);
|
|
U64 chained_pdata_off = unwind_info_off + sizeof(PE_UnwindInfo) + code_size;
|
|
last_pdata = pdata;
|
|
pdata = push_array(scratch.arena, PE_IntelPdata, 1);
|
|
if(!ctrl_process_memory_read_struct(process_handle, module_base_vaddr+chained_pdata_off, &is_stale, pdata, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: no pdata, or didn't do machframe in xdata unwind -> unwind by reading stack pointer
|
|
//
|
|
if(!first_pdata || (!has_pdata_and_in_epilog && !xdata_unwind_did_machframe)) ProfScope("no pdata, or didn't do machframe in xdata unwind -> unwind by reading stack pointer")
|
|
{
|
|
// rjf: read rip from stack pointer
|
|
U64 rsp = regs->rsp.u64;
|
|
U64 new_rip = 0;
|
|
if(!ctrl_process_memory_read_struct(process_handle, rsp, &is_stale, &new_rip, endt_us) ||
|
|
is_stale)
|
|
{
|
|
is_good = 0;
|
|
}
|
|
|
|
// rjf: commit registers
|
|
if(is_good)
|
|
{
|
|
U64 new_rsp = rsp + 8;
|
|
regs->rip.u64 = new_rip;
|
|
regs->rsp.u64 = new_rsp;
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: fill & return
|
|
//
|
|
scratch_end(scratch);
|
|
CTRL_UnwindStepResult result = {0};
|
|
if(!is_good) {result.flags |= CTRL_UnwindFlag_Error;}
|
|
if(is_stale) {result.flags |= CTRL_UnwindFlag_Stale;}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: abstracted unwind step
|
|
|
|
internal CTRL_UnwindStepResult
|
|
ctrl_unwind_step(CTRL_Handle process, CTRL_Handle module, U64 module_base_vaddr, Arch arch, void *reg_block, U64 endt_us)
|
|
{
|
|
CTRL_UnwindStepResult result = {0};
|
|
switch(arch)
|
|
{
|
|
default:{}break;
|
|
case Arch_x64:
|
|
{
|
|
result = ctrl_unwind_step__pe_x64(process, module, module_base_vaddr, (REGS_RegBlockX64 *)reg_block, endt_us);
|
|
}break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: abstracted full unwind
|
|
|
|
internal CTRL_Unwind
|
|
ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U64 endt_us)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
CTRL_Unwind unwind = {0};
|
|
unwind.flags |= CTRL_UnwindFlag_Error;
|
|
|
|
//- rjf: unpack args
|
|
CTRL_Entity *thread_entity = ctrl_entity_from_handle(ctx, thread);
|
|
CTRL_Entity *process_entity = thread_entity->parent;
|
|
Arch arch = thread_entity->arch;
|
|
U64 arch_reg_block_size = regs_block_size_from_arch(arch);
|
|
|
|
//- rjf: grab initial register block
|
|
void *regs_block = ctrl_reg_block_from_thread(scratch.arena, ctx, thread);
|
|
B32 regs_block_good = (arch != Arch_Null && regs_block != 0);
|
|
|
|
//- rjf: loop & unwind
|
|
CTRL_UnwindFrameNode *first_frame_node = 0;
|
|
CTRL_UnwindFrameNode *last_frame_node = 0;
|
|
U64 frame_node_count = 0;
|
|
if(regs_block_good)
|
|
{
|
|
unwind.flags = 0;
|
|
for(;;)
|
|
{
|
|
// rjf: regs -> rip*module
|
|
U64 rip = regs_rip_from_arch_block(arch, regs_block);
|
|
U64 rsp = regs_rsp_from_arch_block(arch, regs_block);
|
|
CTRL_Entity *module = &ctrl_entity_nil;
|
|
for(CTRL_Entity *m = process_entity->first; m != &ctrl_entity_nil; m = m->next)
|
|
{
|
|
if(m->kind == CTRL_EntityKind_Module && contains_1u64(m->vaddr_range, rip))
|
|
{
|
|
module = m;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rjf: cancel on 0 rip/rsp
|
|
if(rsp == 0 && rip == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
// rjf: valid step -> push frame
|
|
CTRL_UnwindFrameNode *frame_node = push_array(scratch.arena, CTRL_UnwindFrameNode, 1);
|
|
CTRL_UnwindFrame *frame = &frame_node->v;
|
|
frame->regs = push_array_no_zero(arena, U8, arch_reg_block_size);
|
|
MemoryCopy(frame->regs, regs_block, arch_reg_block_size);
|
|
DLLPushBack(first_frame_node, last_frame_node, frame_node);
|
|
frame_node_count += 1;
|
|
|
|
// rjf: unwind one step
|
|
CTRL_UnwindStepResult step = ctrl_unwind_step(process_entity->handle, module->handle, module->vaddr_range.min, arch, regs_block, endt_us);
|
|
unwind.flags |= step.flags;
|
|
if(step.flags & CTRL_UnwindFlag_Error ||
|
|
regs_rsp_from_arch_block(arch, regs_block) == 0 ||
|
|
regs_rip_from_arch_block(arch, regs_block) == 0 ||
|
|
(regs_rsp_from_arch_block(arch, regs_block) == rsp &&
|
|
regs_rip_from_arch_block(arch, regs_block) == rip))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: bake frames list into result array
|
|
{
|
|
unwind.frames.count = frame_node_count;
|
|
unwind.frames.v = push_array(arena, CTRL_UnwindFrame, unwind.frames.count);
|
|
U64 idx = 0;
|
|
for(CTRL_UnwindFrameNode *n = first_frame_node; n != 0; n = n->next, idx += 1)
|
|
{
|
|
unwind.frames.v[idx] = n->v;
|
|
}
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
return unwind;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Call Stack Building Functions
|
|
|
|
internal CTRL_CallStack
|
|
ctrl_call_stack_from_unwind(Arena *arena, CTRL_Entity *process, CTRL_Unwind *base_unwind)
|
|
{
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
Access *access = access_open();
|
|
Arch arch = process->arch;
|
|
CTRL_CallStack result = {0};
|
|
{
|
|
typedef struct FrameNode FrameNode;
|
|
struct FrameNode
|
|
{
|
|
FrameNode *next;
|
|
CTRL_CallStackFrame v;
|
|
};
|
|
|
|
//- rjf: gather all frames
|
|
FrameNode *first_frame = 0;
|
|
FrameNode *last_frame = 0;
|
|
U64 frame_count = 0;
|
|
for(U64 base_frame_idx = 0; base_frame_idx < base_unwind->frames.count; base_frame_idx += 1)
|
|
{
|
|
// rjf: unpack
|
|
CTRL_UnwindFrame *src = &base_unwind->frames.v[base_frame_idx];
|
|
U64 rip_vaddr = regs_rip_from_arch_block(arch, src->regs);
|
|
CTRL_Entity *module = ctrl_module_from_process_vaddr(process, rip_vaddr);
|
|
U64 rip_voff = ctrl_voff_from_vaddr(module, rip_vaddr);
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(module);
|
|
RDI_Parsed *rdi = di2_rdi_from_key(access, dbgi_key, 0, 0);
|
|
RDI_Scope *scope = rdi_scope_from_voff(rdi, rip_voff);
|
|
|
|
// rjf: build inline frames (minus parent & inline depth)
|
|
FrameNode *first_inline_frame = 0;
|
|
FrameNode *last_inline_frame = 0;
|
|
U64 inline_frame_count = 0;
|
|
for(RDI_Scope *s = scope;
|
|
s->inline_site_idx != 0;
|
|
s = rdi_element_from_name_idx(rdi, Scopes, s->parent_scope_idx))
|
|
{
|
|
FrameNode *dst_inline = push_array(scratch.arena, FrameNode, 1);
|
|
if(first_inline_frame == 0)
|
|
{
|
|
first_inline_frame = dst_inline;
|
|
}
|
|
last_inline_frame = dst_inline;
|
|
SLLQueuePush(first_frame, last_frame, dst_inline);
|
|
dst_inline->v.unwind_count = base_frame_idx;
|
|
dst_inline->v.regs = src->regs;
|
|
frame_count += 1;
|
|
inline_frame_count += 1;
|
|
}
|
|
|
|
// rjf: build concrete frame
|
|
FrameNode *dst_base = push_array(scratch.arena, FrameNode, 1);
|
|
SLLQueuePush(first_frame, last_frame, dst_base);
|
|
dst_base->v.unwind_count = base_frame_idx;
|
|
dst_base->v.regs = src->regs;
|
|
frame_count += 1;
|
|
|
|
// rjf: hook up inline frames to point to concrete frame, and to account for inline depth
|
|
U64 inline_frame_idx = 0;
|
|
for(FrameNode *inline_frame = first_inline_frame; inline_frame != 0; inline_frame = inline_frame->next, inline_frame_idx += 1)
|
|
{
|
|
inline_frame->v.inline_depth = inline_frame_count - inline_frame_idx;
|
|
if(inline_frame == last_inline_frame)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: package
|
|
result.frames_count = frame_count;
|
|
result.frames = push_array(arena, CTRL_CallStackFrame, result.frames_count);
|
|
result.concrete_frames_count = base_unwind->frames.count;
|
|
result.concrete_frames = push_array(arena, CTRL_CallStackFrame *, result.concrete_frames_count);
|
|
{
|
|
U64 idx = 0;
|
|
U64 concrete_idx = 0;
|
|
for(FrameNode *n = first_frame; n != 0; n = n->next, idx += 1)
|
|
{
|
|
MemoryCopyStruct(&result.frames[idx], &n->v);
|
|
if(n->v.inline_depth == 0 && concrete_idx < result.concrete_frames_count)
|
|
{
|
|
result.concrete_frames[concrete_idx] = &result.frames[idx];
|
|
concrete_idx += 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
access_close(access);
|
|
scratch_end(scratch);
|
|
return result;
|
|
}
|
|
|
|
internal CTRL_CallStackFrame *
|
|
ctrl_call_stack_frame_from_unwind_and_inline_depth(CTRL_CallStack *call_stack, U64 unwind_count, U64 inline_depth)
|
|
{
|
|
CTRL_CallStackFrame *f = 0;
|
|
{
|
|
U64 base_frame_idx = 0;
|
|
for(U64 idx = 0; idx < call_stack->frames_count; idx += 1)
|
|
{
|
|
if(call_stack->frames[idx].inline_depth == 0)
|
|
{
|
|
if(base_frame_idx == unwind_count)
|
|
{
|
|
f = &call_stack->frames[idx];
|
|
break;
|
|
}
|
|
base_frame_idx += 1;
|
|
}
|
|
}
|
|
if(f != 0 && call_stack->frames + inline_depth < f)
|
|
{
|
|
f -= inline_depth;
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Halting All Attached Processes
|
|
|
|
internal void
|
|
ctrl_halt(void)
|
|
{
|
|
dmn_halt(0, 0);
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Shared Accessor Functions
|
|
|
|
//- rjf: generation counters
|
|
|
|
internal U64
|
|
ctrl_run_gen(void)
|
|
{
|
|
U64 result = ins_atomic_u64_eval(&ctrl_state->run_gen);
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_mem_gen(void)
|
|
{
|
|
U64 result = ins_atomic_u64_eval(&ctrl_state->mem_gen);
|
|
return result;
|
|
}
|
|
|
|
internal U64
|
|
ctrl_reg_gen(void)
|
|
{
|
|
U64 result = ins_atomic_u64_eval(&ctrl_state->reg_gen);
|
|
return result;
|
|
}
|
|
|
|
//- rjf: name -> register/alias hash tables, for eval
|
|
|
|
internal E_String2NumMap *
|
|
ctrl_string2reg_from_arch(Arch arch)
|
|
{
|
|
return &ctrl_state->arch_string2reg_tables[arch];
|
|
}
|
|
|
|
internal E_String2NumMap *
|
|
ctrl_string2alias_from_arch(Arch arch)
|
|
{
|
|
return &ctrl_state->arch_string2alias_tables[arch];
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Control-Thread Functions
|
|
|
|
//- rjf: user -> control thread communication
|
|
|
|
internal B32
|
|
ctrl_u2c_push_msgs(CTRL_MsgList *msgs, U64 endt_us)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
String8 msgs_srlzed_baked = ctrl_serialized_string_from_msg_list(scratch.arena, msgs);
|
|
B32 good = 0;
|
|
MutexScope(ctrl_state->u2c_ring_mutex) for(;;)
|
|
{
|
|
U64 unconsumed_size = (ctrl_state->u2c_ring_write_pos-ctrl_state->u2c_ring_read_pos);
|
|
U64 available_size = ctrl_state->u2c_ring_size-unconsumed_size;
|
|
U64 needed_size = sizeof(msgs_srlzed_baked.size) + msgs_srlzed_baked.size;
|
|
if(available_size >= needed_size)
|
|
{
|
|
ctrl_state->u2c_ring_write_pos += ring_write_struct(ctrl_state->u2c_ring_base, ctrl_state->u2c_ring_size, ctrl_state->u2c_ring_write_pos, &msgs_srlzed_baked.size);
|
|
ctrl_state->u2c_ring_write_pos += ring_write(ctrl_state->u2c_ring_base, ctrl_state->u2c_ring_size, ctrl_state->u2c_ring_write_pos, msgs_srlzed_baked.str, msgs_srlzed_baked.size);
|
|
good = 1;
|
|
break;
|
|
}
|
|
if(os_now_microseconds() >= endt_us)
|
|
{
|
|
break;
|
|
}
|
|
cond_var_wait(ctrl_state->u2c_ring_cv, ctrl_state->u2c_ring_mutex, endt_us);
|
|
}
|
|
if(good)
|
|
{
|
|
cond_var_broadcast(ctrl_state->u2c_ring_cv);
|
|
}
|
|
scratch_end(scratch);
|
|
return good;
|
|
}
|
|
|
|
internal CTRL_MsgList
|
|
ctrl_u2c_pop_msgs(Arena *arena)
|
|
{
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
String8 msgs_srlzed_baked = {0};
|
|
MutexScope(ctrl_state->u2c_ring_mutex) for(;;)
|
|
{
|
|
U64 unconsumed_size = (ctrl_state->u2c_ring_write_pos-ctrl_state->u2c_ring_read_pos);
|
|
if(unconsumed_size >= sizeof(U64))
|
|
{
|
|
U64 size_to_decode = 0;
|
|
ctrl_state->u2c_ring_read_pos += ring_read_struct(ctrl_state->u2c_ring_base, ctrl_state->u2c_ring_size, ctrl_state->u2c_ring_read_pos, &size_to_decode);
|
|
msgs_srlzed_baked.size = size_to_decode;
|
|
msgs_srlzed_baked.str = push_array_no_zero(scratch.arena, U8, msgs_srlzed_baked.size);
|
|
ctrl_state->u2c_ring_read_pos += ring_read(ctrl_state->u2c_ring_base, ctrl_state->u2c_ring_size, ctrl_state->u2c_ring_read_pos, msgs_srlzed_baked.str, size_to_decode);
|
|
break;
|
|
}
|
|
cond_var_wait(ctrl_state->u2c_ring_cv, ctrl_state->u2c_ring_mutex, max_U64);
|
|
}
|
|
cond_var_broadcast(ctrl_state->u2c_ring_cv);
|
|
CTRL_MsgList msgs = ctrl_msg_list_from_serialized_string(arena, msgs_srlzed_baked);
|
|
scratch_end(scratch);
|
|
return msgs;
|
|
}
|
|
|
|
//- rjf: control -> user thread communication
|
|
|
|
internal void
|
|
ctrl_c2u_push_events(CTRL_EventList *events)
|
|
{
|
|
if(events->count != 0) ProfScope("ctrl_c2u_push_events")
|
|
{
|
|
MutexScopeW(ctrl_state->ctrl_thread_entity_ctx_rw_mutex)
|
|
{
|
|
ctrl_entity_store_apply_events(ctrl_state->ctrl_thread_entity_store, events);
|
|
}
|
|
for(CTRL_EventNode *n = events->first; n != 0; n = n ->next)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
String8 event_srlzed = ctrl_serialized_string_from_event(scratch.arena, &n->v, ctrl_state->c2u_ring_size-sizeof(U64));
|
|
MutexScope(ctrl_state->c2u_ring_mutex) for(;;)
|
|
{
|
|
U64 unconsumed_size = (ctrl_state->c2u_ring_write_pos-ctrl_state->c2u_ring_read_pos);
|
|
U64 available_size = ctrl_state->c2u_ring_size-unconsumed_size;
|
|
U64 needed_size = sizeof(event_srlzed.size) + event_srlzed.size;
|
|
if(available_size >= needed_size)
|
|
{
|
|
ctrl_state->c2u_ring_write_pos += ring_write_struct(ctrl_state->c2u_ring_base, ctrl_state->c2u_ring_size, ctrl_state->c2u_ring_write_pos, &event_srlzed.size);
|
|
ctrl_state->c2u_ring_write_pos += ring_write(ctrl_state->c2u_ring_base, ctrl_state->c2u_ring_size, ctrl_state->c2u_ring_write_pos, event_srlzed.str, event_srlzed.size);
|
|
break;
|
|
}
|
|
cond_var_wait(ctrl_state->c2u_ring_cv, ctrl_state->c2u_ring_mutex, os_now_microseconds()+100);
|
|
}
|
|
cond_var_broadcast(ctrl_state->c2u_ring_cv);
|
|
if(ctrl_state->wakeup_hook != 0)
|
|
{
|
|
ctrl_state->wakeup_hook();
|
|
}
|
|
scratch_end(scratch);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal CTRL_EventList
|
|
ctrl_c2u_pop_events(Arena *arena)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
CTRL_EventList events = {0};
|
|
MutexScope(ctrl_state->c2u_ring_mutex) for(;;)
|
|
{
|
|
U64 unconsumed_size = (ctrl_state->c2u_ring_write_pos-ctrl_state->c2u_ring_read_pos);
|
|
if(unconsumed_size >= sizeof(U64))
|
|
{
|
|
U64 size_to_decode = 0;
|
|
ctrl_state->c2u_ring_read_pos += ring_read_struct(ctrl_state->c2u_ring_base, ctrl_state->c2u_ring_size, ctrl_state->c2u_ring_read_pos, &size_to_decode);
|
|
String8 event_srlzed = {0};
|
|
event_srlzed.size = size_to_decode;
|
|
event_srlzed.str = push_array_no_zero(scratch.arena, U8, event_srlzed.size);
|
|
ctrl_state->c2u_ring_read_pos += ring_read(ctrl_state->c2u_ring_base, ctrl_state->c2u_ring_size, ctrl_state->c2u_ring_read_pos, event_srlzed.str, event_srlzed.size);
|
|
CTRL_Event *new_event = ctrl_event_list_push(arena, &events);
|
|
*new_event = ctrl_event_from_serialized_string(arena, event_srlzed);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
cond_var_broadcast(ctrl_state->c2u_ring_cv);
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
return events;
|
|
}
|
|
|
|
//- rjf: entry point
|
|
|
|
internal void
|
|
ctrl_thread__entry_point(void *p)
|
|
{
|
|
ThreadNameF("ctrl_thread");
|
|
ProfBeginFunction();
|
|
DMN_CtrlCtx *ctrl_ctx = dmn_ctrl_begin();
|
|
log_select(ctrl_state->ctrl_thread_log);
|
|
|
|
//- rjf: loop
|
|
Temp scratch = scratch_begin(0, 0);
|
|
for(;;)
|
|
{
|
|
temp_end(scratch);
|
|
log_scope_begin();
|
|
|
|
//- rjf: get next messages
|
|
CTRL_MsgList msgs = ctrl_u2c_pop_msgs(scratch.arena);
|
|
|
|
//- rjf: process messages
|
|
DMN_CtrlExclusiveAccessScope
|
|
{
|
|
ins_atomic_u64_eval_assign(&ctrl_state->ctrl_thread_run_state, 1);
|
|
for(CTRL_MsgNode *msg_n = msgs.first; msg_n != 0; msg_n = msg_n->next)
|
|
{
|
|
CTRL_Msg *msg = &msg_n->v;
|
|
{
|
|
log_infof("user2ctrl_msg:{kind:\"%S\"}\n", ctrl_string_from_msg_kind(msg->kind));
|
|
}
|
|
|
|
//- rjf: reset per-message state
|
|
arena_clear(ctrl_state->ctrl_thread_msg_process_arena);
|
|
ctrl_state->module_req_cache_slots_count = 1024;
|
|
ctrl_state->module_req_cache_slots = push_array(ctrl_state->ctrl_thread_msg_process_arena, CTRL_ModuleReqCacheNode *, ctrl_state->module_req_cache_slots_count);
|
|
MemoryZeroStruct(&ctrl_state->msg_user_bp_touched_files);
|
|
MemoryZeroStruct(&ctrl_state->msg_user_bp_touched_symbols);
|
|
MemoryCopyArray(ctrl_state->exception_code_filters, msg->exception_code_filters);
|
|
|
|
//- rjf: gather all touched symbols by user breakpoints
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
for(CTRL_UserBreakpointNode *n = msg->user_bps.first; n != 0; n = n->next)
|
|
{
|
|
if(n->v.kind != CTRL_UserBreakpointKind_Expression)
|
|
{
|
|
continue;
|
|
}
|
|
E_Parse addr_parse = e_push_parse_from_string(scratch.arena, n->v.string);
|
|
E_Parse cnd_parse = e_push_parse_from_string(scratch.arena, n->v.condition);
|
|
E_Expr *exprs[] = {addr_parse.expr, cnd_parse.expr};
|
|
for EachElement(idx, exprs)
|
|
{
|
|
typedef struct ExprWalkTask ExprWalkTask;
|
|
struct ExprWalkTask
|
|
{
|
|
ExprWalkTask *next;
|
|
E_Expr *expr;
|
|
};
|
|
ExprWalkTask start_task = {0, exprs[idx]};
|
|
ExprWalkTask *first_task = &start_task;
|
|
for(ExprWalkTask *t = first_task; t != 0; t = t->next)
|
|
{
|
|
E_Expr *expr = t->expr;
|
|
if(expr->ref != &e_expr_nil)
|
|
{
|
|
expr = expr->ref;
|
|
}
|
|
if(expr->kind == E_ExprKind_LeafIdentifier)
|
|
{
|
|
str8_list_push(ctrl_state->ctrl_thread_msg_process_arena, &ctrl_state->msg_user_bp_touched_symbols, expr->string);
|
|
}
|
|
if(expr->next != &e_expr_nil)
|
|
{
|
|
ExprWalkTask *task = push_array(scratch.arena, ExprWalkTask, 1);
|
|
task->expr = expr->next;
|
|
task->next = t->next;
|
|
t->next = task;
|
|
}
|
|
if(expr->first != &e_expr_nil)
|
|
{
|
|
ExprWalkTask *task = push_array(scratch.arena, ExprWalkTask, 1);
|
|
task->expr = expr->first;
|
|
task->next = t->next;
|
|
t->next = task;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
scratch_end(scratch);
|
|
}
|
|
|
|
//- rjf: gather all touched files by user breakpoints
|
|
for(CTRL_UserBreakpointNode *n = msg->user_bps.first; n != 0; n = n->next)
|
|
{
|
|
if(n->v.kind != CTRL_UserBreakpointKind_FileNameAndLineColNumber)
|
|
{
|
|
continue;
|
|
}
|
|
str8_list_push(ctrl_state->ctrl_thread_msg_process_arena, &ctrl_state->msg_user_bp_touched_files, n->v.string);
|
|
}
|
|
|
|
//- rjf: process message
|
|
switch(msg->kind)
|
|
{
|
|
case CTRL_MsgKind_Null:
|
|
case CTRL_MsgKind_COUNT:{}break;
|
|
|
|
//- rjf: target operations
|
|
case CTRL_MsgKind_Launch: {ctrl_thread__launch (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_Attach: {ctrl_thread__attach (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_Kill: {ctrl_thread__kill (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_KillAll: {ctrl_thread__kill_all (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_Detach: {ctrl_thread__detach (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_Run: {ctrl_thread__run (ctrl_ctx, msg);}break;
|
|
case CTRL_MsgKind_SingleStep: {ctrl_thread__single_step (ctrl_ctx, msg);}break;
|
|
|
|
//- rjf: configuration
|
|
case CTRL_MsgKind_SetUserEntryPoints:
|
|
{
|
|
arena_clear(ctrl_state->user_entry_point_arena);
|
|
MemoryZeroStruct(&ctrl_state->user_entry_points);
|
|
for(String8Node *n = msg->entry_points.first; n != 0; n = n->next)
|
|
{
|
|
str8_list_push(ctrl_state->user_entry_point_arena, &ctrl_state->user_entry_points, n->string);
|
|
}
|
|
}break;
|
|
case CTRL_MsgKind_SetModuleDebugInfoPath:
|
|
{
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
String8 path = msg->path;
|
|
CTRL_Entity *module = ctrl_entity_from_handle(entity_ctx, msg->entity);
|
|
CTRL_Entity *debug_info_path = ctrl_entity_child_from_kind(module, CTRL_EntityKind_DebugInfoPath);
|
|
DI2_Key old_dbgi_key = di2_key_from_path_timestamp(debug_info_path->string, debug_info_path->timestamp);
|
|
di2_close(old_dbgi_key);
|
|
MutexScopeW(ctrl_state->ctrl_thread_entity_ctx_rw_mutex)
|
|
{
|
|
ctrl_entity_equip_string(ctrl_state->ctrl_thread_entity_store, debug_info_path, path_normalized_from_string(scratch.arena, path));
|
|
}
|
|
U64 new_dbgi_timestamp = os_properties_from_file_path(path).modified;
|
|
debug_info_path->timestamp = new_dbgi_timestamp;
|
|
DI2_Key new_dbgi_key = di2_key_from_path_timestamp(debug_info_path->string, new_dbgi_timestamp);
|
|
di2_open(new_dbgi_key);
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
evt->kind = CTRL_EventKind_ModuleDebugInfoPathChange;
|
|
evt->entity = msg->entity;
|
|
evt->string = path;
|
|
evt->timestamp = new_dbgi_timestamp;
|
|
ctrl_c2u_push_events(&evts);
|
|
}break;
|
|
case CTRL_MsgKind_FreezeThread:
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
evt->kind = CTRL_EventKind_ThreadFrozen;
|
|
evt->entity = msg->entity;
|
|
ctrl_c2u_push_events(&evts);
|
|
}break;
|
|
case CTRL_MsgKind_ThawThread:
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
evt->kind = CTRL_EventKind_ThreadThawed;
|
|
evt->entity = msg->entity;
|
|
ctrl_c2u_push_events(&evts);
|
|
}break;
|
|
}
|
|
}
|
|
ins_atomic_u64_eval_assign(&ctrl_state->ctrl_thread_run_state, 0);
|
|
}
|
|
ins_atomic_u64_inc_eval(&ctrl_state->run_gen);
|
|
ins_atomic_u64_inc_eval(&ctrl_state->mem_gen);
|
|
ins_atomic_u64_inc_eval(&ctrl_state->reg_gen);
|
|
|
|
//- rjf: update thread register cache
|
|
ProfScope("update thread register cache")
|
|
{
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_EntityArray threads = ctrl_entity_array_from_kind(entity_ctx, CTRL_EntityKind_Thread);
|
|
REGS_RegBlockX64 *blocks = push_array(scratch.arena, REGS_RegBlockX64, threads.count);
|
|
{
|
|
for EachIndex(idx, threads.count)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
ctrl_reg_block_from_thread(scratch.arena, entity_ctx, threads.v[idx]->handle);
|
|
scratch_end(scratch);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: gather & output logs
|
|
ctrl_thread__end_and_flush_log();
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
//- rjf: breakpoint resolution
|
|
|
|
internal void
|
|
ctrl_thread__append_resolved_module_user_bp_traps(Arena *arena, CTRL_EvalScope *eval_scope, CTRL_Handle process, CTRL_Handle module, CTRL_UserBreakpointList *user_bps, DMN_TrapChunkList *traps_out)
|
|
{
|
|
if(user_bps->first == 0) { return; }
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
Access *access = eval_scope->access;
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_Entity *module_entity = ctrl_entity_from_handle(entity_ctx, module);
|
|
CTRL_Entity *debug_info_path_entity = ctrl_entity_child_from_kind(module_entity, CTRL_EntityKind_DebugInfoPath);
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(module_entity);
|
|
RDI_Parsed *rdi = di2_rdi_from_key(access, dbgi_key, 0, 0);
|
|
U64 base_vaddr = module_entity->vaddr_range.min;
|
|
for(CTRL_UserBreakpointNode *n = user_bps->first; n != 0; n = n->next)
|
|
{
|
|
CTRL_UserBreakpoint *bp = &n->v;
|
|
switch(bp->kind)
|
|
{
|
|
default:{}break;
|
|
|
|
//- rjf: file:line-based breakpoints
|
|
case CTRL_UserBreakpointKind_FileNameAndLineColNumber:
|
|
{
|
|
// rjf: unpack & normalize
|
|
TxtPt pt = bp->pt;
|
|
String8 filename = bp->string;
|
|
String8 filename_normalized = push_str8_copy(scratch.arena, filename);
|
|
for(U64 idx = 0; idx < filename_normalized.size; idx += 1)
|
|
{
|
|
filename_normalized.str[idx] = lower_from_char(filename_normalized.str[idx]);
|
|
filename_normalized.str[idx] = correct_slash_from_char(filename_normalized.str[idx]);
|
|
}
|
|
|
|
// rjf: filename -> src_id
|
|
U32 src_id = 0;
|
|
{
|
|
RDI_NameMap *mapptr = rdi_element_from_name_idx(rdi, NameMaps, RDI_NameMapKind_NormalSourcePaths);
|
|
if(mapptr != 0)
|
|
{
|
|
RDI_ParsedNameMap map = {0};
|
|
rdi_parsed_from_name_map(rdi, mapptr, &map);
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, filename_normalized.str, filename_normalized.size);
|
|
if(node != 0)
|
|
{
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
src_id = ids[0];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: src_id * pt -> push
|
|
if(src_id != 0)
|
|
{
|
|
RDI_SourceFile *src = rdi_element_from_name_idx(rdi, SourceFiles, src_id);
|
|
RDI_SourceLineMap *src_line_map = rdi_element_from_name_idx(rdi, SourceLineMaps, src->source_line_map_idx);
|
|
RDI_ParsedSourceLineMap line_map = {0};
|
|
rdi_parsed_from_source_line_map(rdi, src_line_map, &line_map);
|
|
U32 voff_count = 0;
|
|
U64 *voffs = rdi_line_voffs_from_num(&line_map, pt.line, &voff_count);
|
|
for(U32 i = 0; i < voff_count; i += 1)
|
|
{
|
|
U64 vaddr = voffs[i] + base_vaddr;
|
|
DMN_Trap trap = {process.dmn_handle, vaddr, (U64)bp};
|
|
dmn_trap_chunk_list_push(arena, traps_out, 256, &trap);
|
|
}
|
|
}
|
|
}break;
|
|
|
|
//- rjf: expression-based breakpoints
|
|
case CTRL_UserBreakpointKind_Expression:
|
|
{
|
|
String8 expr = bp->string;
|
|
E_Value value = e_value_from_string(expr);
|
|
if(value.u64 != 0 || bp->flags != 0)
|
|
{
|
|
DMN_Trap trap = {process.dmn_handle, value.u64, (U64)bp};
|
|
trap.flags = ctrl_dmn_trap_flags_from_user_breakpoint_flags(bp->flags);
|
|
trap.size = bp->size;
|
|
dmn_trap_chunk_list_push(arena, traps_out, 256, &trap);
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__append_resolved_process_user_bp_traps(Arena *arena, CTRL_EvalScope *eval_scope, CTRL_Handle process, CTRL_UserBreakpointList *user_bps, DMN_TrapChunkList *traps_out)
|
|
{
|
|
for(CTRL_UserBreakpointNode *n = user_bps->first; n != 0; n = n->next)
|
|
{
|
|
CTRL_UserBreakpoint *bp = &n->v;
|
|
if(bp->kind == CTRL_UserBreakpointKind_Expression)
|
|
{
|
|
String8 expr = bp->string;
|
|
E_Value value = e_value_from_string(expr);
|
|
if(value.u64 != 0 || bp->flags != 0)
|
|
{
|
|
DMN_Trap trap = {process.dmn_handle, value.u64, (U64)bp};
|
|
trap.flags = ctrl_dmn_trap_flags_from_user_breakpoint_flags(bp->flags);
|
|
trap.size = bp->size;
|
|
dmn_trap_chunk_list_push(arena, traps_out, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__append_program_defined_bp_traps(Arena *arena, CTRL_Entity *bp, DMN_TrapChunkList *traps_out)
|
|
{
|
|
CTRL_Entity *process = bp->parent;
|
|
DMN_Trap trap =
|
|
{
|
|
.process = process->handle.dmn_handle,
|
|
.vaddr = bp->vaddr_range.min,
|
|
.id = ((U64)bp|bit64),
|
|
.flags = ctrl_dmn_trap_flags_from_user_breakpoint_flags(bp->bp_flags),
|
|
.size = (U32)dim_1u64(bp->vaddr_range),
|
|
};
|
|
dmn_trap_chunk_list_push(arena, traps_out, 256, &trap);
|
|
}
|
|
|
|
//- rjf: module lifetime open/close work
|
|
|
|
internal void
|
|
ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_range, String8 path)
|
|
{
|
|
//////////////////////////////
|
|
//- rjf: parse module image info
|
|
//
|
|
Arena *arena = arena_alloc();
|
|
PE_IntelPdata *pdatas = 0;
|
|
U64 pdatas_count = 0;
|
|
U64 entry_point_voff = 0;
|
|
Rng1U64 tls_vaddr_range = {0};
|
|
U32 pdb_dbg_time = 0;
|
|
U32 pdb_dbg_age = 0;
|
|
Guid pdb_dbg_guid = {0};
|
|
String8 pdb_dbg_path = str8_zero();
|
|
U32 rdi_dbg_time = 0;
|
|
Guid rdi_dbg_guid = {0};
|
|
String8 rdi_dbg_path = str8_zero();
|
|
String8 raddbg_data = str8_zero();
|
|
Rng1U64 raddbg_section_voff_range = r1u64(0, 0);
|
|
Rng1U64 raddbg_is_attached_section_voff_range = r1u64(0, 0);
|
|
ProfScope("unpack relevant PE info")
|
|
{
|
|
B32 is_valid = 1;
|
|
|
|
//- rjf: read DOS header
|
|
PE_DosHeader dos_header = {0};
|
|
if(is_valid)
|
|
{
|
|
if(!dmn_process_read_struct(process.dmn_handle, vaddr_range.min, &dos_header) ||
|
|
dos_header.magic != PE_DOS_MAGIC)
|
|
{
|
|
is_valid = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: read PE magic
|
|
U32 pe_magic = 0;
|
|
if(is_valid)
|
|
{
|
|
if(!dmn_process_read_struct(process.dmn_handle, vaddr_range.min + dos_header.coff_file_offset, &pe_magic) ||
|
|
pe_magic != PE_MAGIC)
|
|
{
|
|
is_valid = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: read COFF header
|
|
U64 file_header_off = dos_header.coff_file_offset + sizeof(pe_magic);
|
|
COFF_FileHeader file_header = {0};
|
|
if(is_valid)
|
|
{
|
|
if(!dmn_process_read_struct(process.dmn_handle, vaddr_range.min + file_header_off, &file_header))
|
|
{
|
|
is_valid = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: unpack range of optional extension header
|
|
U32 opt_ext_size = file_header.optional_header_size;
|
|
Rng1U64 opt_ext_off_range = r1u64(file_header_off + sizeof(COFF_FileHeader),
|
|
file_header_off + sizeof(COFF_FileHeader) + opt_ext_size);
|
|
|
|
//- rjf: read optional header
|
|
U64 entry_point = 0;
|
|
U32 data_dir_count = 0;
|
|
if(opt_ext_size > 0)
|
|
{
|
|
// rjf: read magic number
|
|
U16 opt_ext_magic = 0;
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min, &opt_ext_magic);
|
|
|
|
// rjf: read info
|
|
U32 reported_data_dir_offset = 0;
|
|
U32 reported_data_dir_count = 0;
|
|
switch(opt_ext_magic)
|
|
{
|
|
case PE_PE32_MAGIC:
|
|
{
|
|
PE_OptionalHeader32 pe_optional = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min, &pe_optional);
|
|
entry_point = pe_optional.entry_point_va;
|
|
reported_data_dir_offset = sizeof(pe_optional);
|
|
reported_data_dir_count = pe_optional.data_dir_count;
|
|
}break;
|
|
case PE_PE32PLUS_MAGIC:
|
|
{
|
|
PE_OptionalHeader32Plus pe_optional = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min, &pe_optional);
|
|
entry_point = pe_optional.entry_point_va;
|
|
reported_data_dir_offset = sizeof(pe_optional);
|
|
reported_data_dir_count = pe_optional.data_dir_count;
|
|
}break;
|
|
}
|
|
|
|
// rjf: find number of data directories
|
|
U32 data_dir_max = (opt_ext_size - reported_data_dir_offset) / sizeof(PE_DataDirectory);
|
|
data_dir_count = ClampTop(reported_data_dir_count, data_dir_max);
|
|
|
|
// rjf: grab pdatas from exceptions section
|
|
if(data_dir_count > PE_DataDirectoryIndex_EXCEPTIONS)
|
|
{
|
|
PE_DataDirectory dir = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min + reported_data_dir_offset + sizeof(PE_DataDirectory)*PE_DataDirectoryIndex_EXCEPTIONS, &dir);
|
|
Rng1U64 pdatas_voff_range = r1u64((U64)dir.virt_off, (U64)dir.virt_off + (U64)dir.virt_size);
|
|
pdatas_count = dim_1u64(pdatas_voff_range)/sizeof(PE_IntelPdata);
|
|
pdatas = push_array(arena, PE_IntelPdata, pdatas_count);
|
|
dmn_process_read(process.dmn_handle, r1u64(vaddr_range.min + pdatas_voff_range.min, vaddr_range.min + pdatas_voff_range.max), pdatas);
|
|
}
|
|
|
|
// rjf: extract tls header
|
|
PE_TLSHeader64 tls_header = {0};
|
|
if(data_dir_count > PE_DataDirectoryIndex_TLS)
|
|
{
|
|
PE_DataDirectory dir = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min + reported_data_dir_offset + sizeof(PE_DataDirectory)*PE_DataDirectoryIndex_TLS, &dir);
|
|
Rng1U64 tls_voff_range = r1u64((U64)dir.virt_off, (U64)dir.virt_off + (U64)dir.virt_size);
|
|
switch(file_header.machine)
|
|
{
|
|
default:{}break;
|
|
case COFF_MachineType_X86:
|
|
{
|
|
PE_TLSHeader32 tls_header32 = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + tls_voff_range.min, &tls_header32);
|
|
tls_header.raw_data_start = (U64)tls_header32.raw_data_start;
|
|
tls_header.raw_data_end = (U64)tls_header32.raw_data_end;
|
|
tls_header.index_address = (U64)tls_header32.index_address;
|
|
tls_header.callbacks_address = (U64)tls_header32.callbacks_address;
|
|
tls_header.zero_fill_size = (U64)tls_header32.zero_fill_size;
|
|
tls_header.characteristics = (U64)tls_header32.characteristics;
|
|
}break;
|
|
case COFF_MachineType_X64:
|
|
{
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + tls_voff_range.min, &tls_header);
|
|
}break;
|
|
}
|
|
}
|
|
|
|
// rjf: grab entry point vaddr
|
|
entry_point_voff = entry_point;
|
|
|
|
// rjf: calculate TLS vaddr range
|
|
tls_vaddr_range = r1u64(tls_header.index_address, tls_header.index_address+sizeof(U32));
|
|
|
|
// rjf: grab data about debug info
|
|
if(data_dir_count > PE_DataDirectoryIndex_DEBUG)
|
|
{
|
|
// rjf: read data dir
|
|
PE_DataDirectory dir = {0};
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + opt_ext_off_range.min + reported_data_dir_offset + sizeof(PE_DataDirectory)*PE_DataDirectoryIndex_DEBUG, &dir);
|
|
|
|
U64 dbg_dir_count = dir.virt_size / sizeof(PE_DebugDirectory);
|
|
for(U64 dbg_dir_idx = 0; dbg_dir_idx < dbg_dir_count; dbg_dir_idx += 1)
|
|
{
|
|
// rjf: read debug directory
|
|
U64 dir_addr = vaddr_range.min + dir.virt_off + dbg_dir_idx * sizeof(PE_DebugDirectory);
|
|
PE_DebugDirectory dbg_data = {0};
|
|
dmn_process_read_struct(process.dmn_handle, dir_addr, &dbg_data);
|
|
|
|
// rjf: extract external file info from codeview header
|
|
if(dbg_data.type == PE_DebugDirectoryType_CODEVIEW)
|
|
{
|
|
U32 cv_magic = 0;
|
|
dmn_process_read_struct(process.dmn_handle, vaddr_range.min + dbg_data.voff, &cv_magic);
|
|
switch(cv_magic)
|
|
{
|
|
default:break;
|
|
case PE_CODEVIEW_PDB20_MAGIC:
|
|
{
|
|
PE_CvHeaderPDB20 cv;
|
|
U64 read_size = dmn_process_read_struct(process.dmn_handle, vaddr_range.min+dbg_data.voff, &cv);
|
|
if(read_size == sizeof(cv))
|
|
{
|
|
pdb_dbg_time = cv.time_stamp;
|
|
pdb_dbg_age = cv.age;
|
|
pdb_dbg_path = dmn_process_read_cstring(arena, process.dmn_handle, vaddr_range.min + dbg_data.voff + sizeof(cv));
|
|
}
|
|
}break;
|
|
case PE_CODEVIEW_PDB70_MAGIC:
|
|
{
|
|
PE_CvHeaderPDB70 cv;
|
|
U64 read_size = dmn_process_read_struct(process.dmn_handle, vaddr_range.min + dbg_data.voff, &cv);
|
|
if(read_size == sizeof(cv))
|
|
{
|
|
pdb_dbg_guid = cv.guid;
|
|
pdb_dbg_age = cv.age;
|
|
pdb_dbg_path = dmn_process_read_cstring(arena, process.dmn_handle, vaddr_range.min + dbg_data.voff + sizeof(cv));
|
|
}
|
|
}break;
|
|
case PE_CODEVIEW_RDI_MAGIC:
|
|
{
|
|
PE_CvHeaderRDI cv;
|
|
U64 read_size = dmn_process_read_struct(process.dmn_handle, vaddr_range.min + dbg_data.voff, &cv);
|
|
if(read_size == sizeof(cv))
|
|
{
|
|
rdi_dbg_guid = cv.guid;
|
|
rdi_dbg_path = dmn_process_read_cstring(arena, process.dmn_handle, vaddr_range.min + dbg_data.voff + sizeof(cv));
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: extract copy of module's raddbg data
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
U64 sec_array_off = opt_ext_off_range.max;
|
|
U64 sec_count = file_header.section_count;
|
|
COFF_SectionHeader *sec = push_array(scratch.arena, COFF_SectionHeader, sec_count);
|
|
dmn_process_read(process.dmn_handle, r1u64(vaddr_range.min + sec_array_off, vaddr_range.min + sec_array_off + sec_count*sizeof(COFF_SectionHeader)), sec);
|
|
for EachIndex(idx, sec_count)
|
|
{
|
|
String8 section_name = str8_cstring((char *)sec[idx].name);
|
|
if(str8_match(section_name, str8_lit(".raddbg"), 0))
|
|
{
|
|
raddbg_section_voff_range.min = sec[idx].voff;
|
|
raddbg_section_voff_range.max = sec[idx].voff + sec[idx].vsize;
|
|
}
|
|
else if(str8_match(section_name, str8_lit(".rdbgia"), 0))
|
|
{
|
|
raddbg_is_attached_section_voff_range.min = sec[idx].voff;
|
|
raddbg_is_attached_section_voff_range.max = sec[idx].voff + sec[idx].vsize;
|
|
}
|
|
}
|
|
raddbg_data.size = dim_1u64(raddbg_section_voff_range);
|
|
raddbg_data.str = push_array(arena, U8, raddbg_data.size);
|
|
dmn_process_read(process.dmn_handle, r1u64(vaddr_range.min + raddbg_section_voff_range.min,
|
|
vaddr_range.min + raddbg_section_voff_range.max), raddbg_data.str);
|
|
scratch_end(scratch);
|
|
}
|
|
|
|
// rjf: if we have a "raddbg is attached" section, mark the first byte as 1, to signify attachment
|
|
if(raddbg_is_attached_section_voff_range.max != raddbg_is_attached_section_voff_range.min)
|
|
{
|
|
U8 new_value = 1;
|
|
dmn_process_write_struct(process.dmn_handle, vaddr_range.min + raddbg_is_attached_section_voff_range.min, &new_value);
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: pick default initial debug info path
|
|
//
|
|
String8 initial_debug_info_path = str8_zero();
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
String8 exe_folder = str8_chop_last_slash(path);
|
|
String8List dbg_path_candidates = {0};
|
|
//
|
|
//~ TODO(rjf): @linux_port PLEASE READ RYAN vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
|
|
//
|
|
// TODO(rjf): trying "exe_folder/embedded_path" as the first option is only a valid
|
|
// heuristic on Windows, because we know that two absolute paths concatted together
|
|
// are necessarily invalid. however, on Linux, this is not the case - you could stitch
|
|
// two paths together and get a third path that is completely valid. so, in that case,
|
|
// we will need to infer if the path is relative, and then use either the embedded
|
|
// path as-is, or the exe-relative-path accordingly, depending on that.
|
|
//
|
|
if(rdi_dbg_path.size != 0)
|
|
{
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S/%S", exe_folder, rdi_dbg_path);
|
|
str8_list_push(scratch.arena, &dbg_path_candidates, rdi_dbg_path);
|
|
}
|
|
if(pdb_dbg_path.size != 0)
|
|
{
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S/%S", exe_folder, pdb_dbg_path);
|
|
str8_list_push(scratch.arena, &dbg_path_candidates, pdb_dbg_path);
|
|
}
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S.pdb", str8_chop_last_dot(path));
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S.pdb", path);
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S.rdi", str8_chop_last_dot(path));
|
|
str8_list_pushf(scratch.arena, &dbg_path_candidates, "%S.rdi", path);
|
|
for(String8Node *n = dbg_path_candidates.first; n != 0; n = n->next)
|
|
{
|
|
String8 candidate_path = n->string;
|
|
FileProperties props = os_properties_from_file_path(candidate_path);
|
|
if(props.modified != 0 && props.size != 0)
|
|
{
|
|
initial_debug_info_path = push_str8_copy(arena, path_normalized_from_string(scratch.arena, candidate_path));
|
|
break;
|
|
}
|
|
}
|
|
scratch_end(scratch);
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: insert info into cache
|
|
//
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(module);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeW(stripe->rw_mutex)
|
|
{
|
|
CTRL_ModuleImageInfoCacheNode *node = 0;
|
|
for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
if(!node)
|
|
{
|
|
node = push_array(arena, CTRL_ModuleImageInfoCacheNode, 1);
|
|
DLLPushBack(slot->first, slot->last, node);
|
|
node->module = module;
|
|
node->arena = arena;
|
|
node->pdatas = pdatas;
|
|
node->pdatas_count = pdatas_count;
|
|
node->entry_point_voff = entry_point_voff;
|
|
node->initial_debug_info_path = initial_debug_info_path;
|
|
node->raddbg_section_voff_range = raddbg_section_voff_range;
|
|
node->raddbg_data = raddbg_data;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__module_close(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_range)
|
|
{
|
|
//////////////////////////////
|
|
//- rjf: evict module image info from cache
|
|
//
|
|
Rng1U64 raddbg_section_voff_range = {0};
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(module);
|
|
U64 slot_idx = hash%ctrl_state->module_image_info_cache.slots_count;
|
|
U64 stripe_idx = slot_idx%ctrl_state->module_image_info_cache.stripes_count;
|
|
CTRL_ModuleImageInfoCacheSlot *slot = &ctrl_state->module_image_info_cache.slots[slot_idx];
|
|
CTRL_ModuleImageInfoCacheStripe *stripe = &ctrl_state->module_image_info_cache.stripes[stripe_idx];
|
|
MutexScopeW(stripe->rw_mutex)
|
|
{
|
|
CTRL_ModuleImageInfoCacheNode *node = 0;
|
|
for(CTRL_ModuleImageInfoCacheNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, module))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
if(node)
|
|
{
|
|
raddbg_section_voff_range = node->raddbg_section_voff_range;
|
|
DLLRemove(slot->first, slot->last, node);
|
|
arena_release(node->arena);
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: write 0 into first byte of raddbg data section, to signify detachment
|
|
//
|
|
if(raddbg_section_voff_range.max != raddbg_section_voff_range.min)
|
|
{
|
|
U8 new_value = 0;
|
|
dmn_process_write_struct(process.dmn_handle, vaddr_range.min + raddbg_section_voff_range.min, &new_value);
|
|
}
|
|
}
|
|
|
|
//- rjf: attached process running/event gathering
|
|
|
|
internal DMN_Event *
|
|
ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg, DMN_RunCtrls *run_ctrls, CTRL_Spoof *spoof)
|
|
{
|
|
ProfBeginFunction();
|
|
DMN_Event *event = push_array(arena, DMN_Event, 1);
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
|
|
//- rjf: loop -> try to get event, run, repeat
|
|
U64 spoof_old_ip_value = 0;
|
|
ProfScope("loop -> try to get event, run, repeat") for(B32 got_event = 0; got_event == 0;)
|
|
{
|
|
//- rjf: get next event
|
|
ProfScope("get next event")
|
|
{
|
|
// rjf: grab first event
|
|
DMN_EventNode *next_event_node = ctrl_state->first_dmn_event_node;
|
|
|
|
// rjf: log event
|
|
if(next_event_node != 0)
|
|
{
|
|
DMN_Event *ev = &next_event_node->v;
|
|
LogInfoNamedBlockF("dmn_event")
|
|
{
|
|
log_infof("kind: %S\n", dmn_event_kind_string_table[ev->kind]);
|
|
log_infof("exception_kind: %S\n", dmn_exception_kind_string_table[ev->exception_kind]);
|
|
log_infof("process: [%I64u]\n", ev->process.u64[0]);
|
|
log_infof("thread: [%I64u]\n", ev->thread.u64[0]);
|
|
log_infof("module: [%I64u]\n", ev->module.u64[0]);
|
|
log_infof("arch: %S\n", string_from_arch(ev->arch));
|
|
log_infof("address: 0x%I64x\n", ev->address);
|
|
log_infof("string: \"%S\"\n", ev->string);
|
|
log_infof("ip_vaddr: 0x%I64x\n", ev->instruction_pointer);
|
|
}
|
|
}
|
|
|
|
// rjf: determine if we should filter
|
|
B32 should_filter_event = 0;
|
|
if(next_event_node != 0)
|
|
{
|
|
DMN_Event *ev = &next_event_node->v;
|
|
switch(ev->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Exception:
|
|
{
|
|
// NOTE(rjf): first chance exceptions -> try ignoring
|
|
should_filter_event = (ev->exception_repeated == 0 && (spoof == 0 || ev->instruction_pointer != spoof->new_ip_value));
|
|
|
|
// rjf: exception code -> kind
|
|
CTRL_ExceptionCodeKind code_kind = CTRL_ExceptionCodeKind_Null;
|
|
if(should_filter_event)
|
|
{
|
|
for(CTRL_ExceptionCodeKind k = (CTRL_ExceptionCodeKind)0; k < CTRL_ExceptionCodeKind_COUNT; k = (CTRL_ExceptionCodeKind)(k+1))
|
|
{
|
|
if(ctrl_exception_code_kind_code_table[k] == ev->code)
|
|
{
|
|
code_kind = k;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: exception code kind -> shouldn't stop? if so, do not filter
|
|
if(should_filter_event)
|
|
{
|
|
B32 shouldnt_filter = !!(ctrl_state->exception_code_filters[code_kind/64] & (1ull<<(code_kind%64)));
|
|
if(should_filter_event && shouldnt_filter)
|
|
{
|
|
should_filter_event = 0;
|
|
}
|
|
}
|
|
|
|
// rjf: special case: be gracious with ASan modules or symbols if
|
|
// they do their cute little 0xc0000005 exception trick...
|
|
if(!should_filter_event && ev->code == 0xc0000005 &&
|
|
(spoof == 0 || ev->instruction_pointer != spoof->new_ip_value))
|
|
{
|
|
Access *access = access_open();
|
|
CTRL_Entity *process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, ev->process));
|
|
CTRL_Entity *module = &ctrl_entity_nil;
|
|
for(CTRL_Entity *child = process->first; child != &ctrl_entity_nil; child = child->next)
|
|
{
|
|
if(child->kind == CTRL_EntityKind_Module)
|
|
{
|
|
module = child;
|
|
break;
|
|
}
|
|
}
|
|
if(module != &ctrl_entity_nil)
|
|
{
|
|
// rjf: determine base address of asan shadow space
|
|
U64 asan_shadow_base_vaddr = 0;
|
|
B32 asan_shadow_variable_exists_but_is_zero = 0;
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(module);
|
|
RDI_Parsed *rdi = di2_rdi_from_key(access, dbgi_key, 1, max_U64);
|
|
RDI_NameMap *unparsed_map = rdi_element_from_name_idx(rdi, NameMaps, RDI_NameMapKind_GlobalVariables);
|
|
{
|
|
RDI_ParsedNameMap map = {0};
|
|
rdi_parsed_from_name_map(rdi, unparsed_map, &map);
|
|
String8 name = str8_lit("__asan_shadow_memory_dynamic_address");
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
if(node != 0)
|
|
{
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
RDI_GlobalVariable *global_var = rdi_element_from_name_idx(rdi, GlobalVariables, ids[0]);
|
|
U64 global_var_voff = global_var->voff;
|
|
U64 global_var_vaddr = global_var->voff + module->vaddr_range.min;
|
|
Arch arch = process->arch;
|
|
U64 addr_size = bit_size_from_arch(arch)/8;
|
|
dmn_process_read(ev->process, r1u64(global_var_vaddr, global_var_vaddr+addr_size), &asan_shadow_base_vaddr);
|
|
asan_shadow_variable_exists_but_is_zero = (asan_shadow_base_vaddr == 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: determine if this was a read/write to the shadow space
|
|
B32 violation_in_shadow_space = 0;
|
|
if(asan_shadow_base_vaddr != 0)
|
|
{
|
|
U64 asan_shadow_space_size = TB(128)/8;
|
|
if(asan_shadow_base_vaddr <= ev->address && ev->address < asan_shadow_base_vaddr+asan_shadow_space_size)
|
|
{
|
|
violation_in_shadow_space = 1;
|
|
}
|
|
}
|
|
|
|
// rjf: filter event if this violation occurred in asan's shadow space
|
|
if(violation_in_shadow_space || asan_shadow_variable_exists_but_is_zero)
|
|
{
|
|
should_filter_event = 1;
|
|
}
|
|
}
|
|
|
|
access_close(access);
|
|
}
|
|
}break;
|
|
}
|
|
}
|
|
|
|
// rjf: good event & unfiltered? -> pop from queue & grab as result
|
|
if(next_event_node != 0 && !should_filter_event)
|
|
{
|
|
got_event = 1;
|
|
SLLQueuePop(ctrl_state->first_dmn_event_node, ctrl_state->last_dmn_event_node);
|
|
MemoryCopyStruct(event, &next_event_node->v);
|
|
event->string = push_str8_copy(arena, event->string);
|
|
run_ctrls->ignore_previous_exception = 1;
|
|
}
|
|
|
|
// rjf: good event but filtered? pop from queue
|
|
if(next_event_node != 0 && should_filter_event)
|
|
{
|
|
SLLQueuePop(ctrl_state->first_dmn_event_node, ctrl_state->last_dmn_event_node);
|
|
run_ctrls->ignore_previous_exception = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: no event -> dmn_ctrl_run for a new one
|
|
if(got_event == 0) ProfScope("no event -> dmn_ctrl_run for a new one")
|
|
{
|
|
// rjf: prep spoof
|
|
B32 do_spoof = (spoof != 0 && dmn_handle_match(run_ctrls->single_step_thread, dmn_handle_zero()));
|
|
U64 size_of_spoof = 0;
|
|
if(do_spoof) ProfScope("prep spoof")
|
|
{
|
|
CTRL_Entity *spoof_process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, spoof->process));
|
|
Arch arch = spoof_process->arch;
|
|
size_of_spoof = bit_size_from_arch(arch)/8;
|
|
dmn_process_read(spoof_process->handle.dmn_handle, r1u64(spoof->vaddr, spoof->vaddr+size_of_spoof), &spoof_old_ip_value);
|
|
}
|
|
|
|
// rjf: set spoof
|
|
if(do_spoof) ProfScope("set spoof")
|
|
{
|
|
dmn_process_write(spoof->process, r1u64(spoof->vaddr, spoof->vaddr+size_of_spoof), &spoof->new_ip_value);
|
|
}
|
|
|
|
// rjf: run for new events
|
|
ProfScope("run for new events")
|
|
{
|
|
LogInfoNamedBlockF("dmn_ctrl_run")
|
|
{
|
|
log_infof("single_step_thread: [0x%I64x]\n", run_ctrls->single_step_thread);
|
|
log_infof("ignore_previous_exception: %i\n", !!run_ctrls->ignore_previous_exception);
|
|
log_infof("run_entities_are_unfrozen: %i\n", !!run_ctrls->run_entities_are_unfrozen);
|
|
log_infof("run_entities_are_processes: %i\n", !!run_ctrls->run_entities_are_processes);
|
|
log_infof("run_entity_count: %I64u\n", run_ctrls->run_entity_count);
|
|
LogInfoNamedBlockF("run_entities") for(U64 idx = 0; idx < run_ctrls->run_entity_count; idx += 1)
|
|
{
|
|
log_infof("[0x%I64x]\n", run_ctrls->run_entities[idx]);
|
|
}
|
|
log_infof("trap_count: %I64u\n", run_ctrls->traps.trap_count);
|
|
LogInfoNamedBlockF("traps") for(DMN_TrapChunkNode *n = run_ctrls->traps.first; n != 0; n = n->next)
|
|
{
|
|
for(U64 idx = 0; idx < n->count; idx += 1)
|
|
{
|
|
log_infof("{process:[0x%I64x], vaddr:0x%I64x, id:0x%I64x}\n", n->v[idx].process.u64[0], n->v[idx].vaddr, n->v[idx].id);
|
|
}
|
|
}
|
|
}
|
|
DMN_EventList events = dmn_ctrl_run(scratch.arena, ctrl_ctx, run_ctrls);
|
|
ins_atomic_u64_inc_eval(&ctrl_state->mem_gen);
|
|
ins_atomic_u64_inc_eval(&ctrl_state->reg_gen);
|
|
ins_atomic_u64_inc_eval(&ctrl_state->run_gen);
|
|
for(DMN_EventNode *src_n = events.first; src_n != 0; src_n = src_n->next)
|
|
{
|
|
DMN_EventNode *dst_n = ctrl_state->free_dmn_event_node;
|
|
if(dst_n != 0)
|
|
{
|
|
SLLStackPop(ctrl_state->free_dmn_event_node);
|
|
}
|
|
else
|
|
{
|
|
dst_n = push_array(ctrl_state->dmn_event_arena, DMN_EventNode, 1);
|
|
}
|
|
MemoryCopyStruct(&dst_n->v, &src_n->v);
|
|
dst_n->v.string = push_str8_copy(ctrl_state->dmn_event_arena, dst_n->v.string);
|
|
SLLQueuePush(ctrl_state->first_dmn_event_node, ctrl_state->last_dmn_event_node, dst_n);
|
|
}
|
|
}
|
|
|
|
// rjf: unset spoof
|
|
if(do_spoof) ProfScope("unset spoof")
|
|
{
|
|
dmn_process_write(spoof->process, r1u64(spoof->vaddr, spoof->vaddr+size_of_spoof), &spoof_old_ip_value);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: irrespective of what event came back, we should ALWAYS check the
|
|
// spoof's thread and see if it hit the spoof address, because we may have
|
|
// simply been sent other debug events first
|
|
if(spoof != 0)
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, spoof->thread));
|
|
Arch arch = thread->arch;
|
|
void *regs_block = push_array(scratch.arena, U8, regs_block_size_from_arch(arch));
|
|
dmn_thread_read_reg_block(spoof->thread, regs_block);
|
|
U64 spoof_thread_rip = regs_rip_from_arch_block(arch, regs_block);
|
|
if(spoof_thread_rip == spoof->new_ip_value)
|
|
{
|
|
regs_arch_block_write_rip(arch, regs_block, spoof_old_ip_value);
|
|
ctrl_thread_write_reg_block(ctrl_handle_make(CTRL_MachineID_Local, spoof->thread), regs_block);
|
|
}
|
|
}
|
|
|
|
//- rjf: push ctrl events associated with this demon event
|
|
CTRL_EventList evts = {0};
|
|
ProfScope("push ctrl events associated with this demon event") switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_CreateProcess:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_NewProc;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->arch = event->arch;
|
|
out_evt->entity_id = event->code;
|
|
ctrl_state->process_counter += 1;
|
|
}break;
|
|
case DMN_EventKind_CreateThread:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_NewThread;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->arch = event->arch;
|
|
out_evt->entity_id = event->code;
|
|
out_evt->stack_base = dmn_stack_base_vaddr_from_thread(event->thread);
|
|
out_evt->tls_root = dmn_tls_root_vaddr_from_thread(event->thread);
|
|
out_evt->rip_vaddr = event->instruction_pointer;
|
|
out_evt->string = event->string;
|
|
}break;
|
|
case DMN_EventKind_LoadModule:
|
|
{
|
|
CTRL_Handle process_handle = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
CTRL_Handle module_handle = ctrl_handle_make(CTRL_MachineID_Local, event->module);
|
|
CTRL_Event *out_evt1 = ctrl_event_list_push(scratch.arena, &evts);
|
|
String8 module_path = path_normalized_from_string(scratch.arena, event->string);
|
|
U64 exe_timestamp = os_properties_from_file_path(module_path).modified;
|
|
ctrl_thread__module_open(process_handle, module_handle, r1u64(event->address, event->address+event->size), module_path);
|
|
out_evt1->kind = CTRL_EventKind_NewModule;
|
|
out_evt1->msg_id = msg->msg_id;
|
|
out_evt1->entity = module_handle;
|
|
out_evt1->parent = process_handle;
|
|
out_evt1->arch = event->arch;
|
|
out_evt1->entity_id = event->code;
|
|
out_evt1->vaddr_rng = r1u64(event->address, event->address+event->size);
|
|
out_evt1->rip_vaddr = event->address;
|
|
out_evt1->timestamp = exe_timestamp;
|
|
out_evt1->string = module_path;
|
|
CTRL_Event *out_evt2 = ctrl_event_list_push(scratch.arena, &evts);
|
|
String8 initial_debug_info_path = ctrl_initial_debug_info_path_from_module(scratch.arena, module_handle);
|
|
U64 debug_info_timestamp = os_properties_from_file_path(initial_debug_info_path).modified;
|
|
out_evt2->kind = CTRL_EventKind_ModuleDebugInfoPathChange;
|
|
out_evt2->msg_id = msg->msg_id;
|
|
out_evt2->entity = module_handle;
|
|
out_evt2->parent = process_handle;
|
|
out_evt2->timestamp = debug_info_timestamp;
|
|
out_evt2->string = initial_debug_info_path;
|
|
DI2_Key initial_dbgi_key = di2_key_from_path_timestamp(initial_debug_info_path, debug_info_timestamp);
|
|
di2_open(initial_dbgi_key);
|
|
}break;
|
|
case DMN_EventKind_ExitProcess:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_EndProc;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->u64_code = event->code;
|
|
ctrl_state->process_counter -= 1;
|
|
}break;
|
|
case DMN_EventKind_ExitThread:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_EndThread;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->entity_id = event->code;
|
|
}break;
|
|
case DMN_EventKind_UnloadModule:
|
|
ProfScope("unload module %.*s", str8_varg(event->string))
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
CTRL_Handle module_handle = ctrl_handle_make(CTRL_MachineID_Local, event->module);
|
|
CTRL_Entity *module_ent = ctrl_entity_from_handle(entity_ctx, module_handle);
|
|
CTRL_Entity *process_ent = ctrl_process_from_entity(module_ent);
|
|
String8 module_path = event->string;
|
|
ctrl_thread__module_close(process_ent->handle, module_handle, module_ent->vaddr_range);
|
|
out_evt->kind = CTRL_EventKind_EndModule;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = module_handle;
|
|
out_evt->string = module_path;
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(module_ent);
|
|
di2_close(dbgi_key);
|
|
}break;
|
|
case DMN_EventKind_DebugString:
|
|
{
|
|
U64 num_strings = (event->string.size + ctrl_state->c2u_ring_max_string_size-1) / ctrl_state->c2u_ring_max_string_size;
|
|
for(U64 string_idx = 0; string_idx < num_strings; string_idx += 1)
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_DebugString;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->string = str8_substr(event->string, r1u64(string_idx*ctrl_state->c2u_ring_max_string_size, (string_idx+1)*ctrl_state->c2u_ring_max_string_size));
|
|
}
|
|
}break;
|
|
case DMN_EventKind_SetThreadName:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_ThreadName;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->string = event->string;
|
|
out_evt->entity_id = event->code;
|
|
}break;
|
|
case DMN_EventKind_SetThreadColor:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_ThreadColor;
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->entity_id = event->code;
|
|
out_evt->rgba = event->user_data;
|
|
}break;
|
|
case DMN_EventKind_SetVAddrRangeNote:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_SetVAddrRangeNote;
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->msg_id = msg->msg_id;
|
|
out_evt->vaddr_rng = r1u64(event->address, event->address + event->size);
|
|
out_evt->string = event->string;
|
|
}break;
|
|
case DMN_EventKind_SetBreakpoint:
|
|
{
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_SetBreakpoint;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->vaddr_rng = r1u64(event->address, event->address+event->size);
|
|
out_evt->bp_flags = ctrl_user_breakpoint_flags_from_dmn_trap_flags(event->flags);
|
|
}break;
|
|
case DMN_EventKind_UnsetBreakpoint:
|
|
{
|
|
// TODO(rjf): this needs to be reflected in the resolved trap list too!!!!!!!!
|
|
CTRL_Event *out_evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
out_evt->kind = CTRL_EventKind_UnsetBreakpoint;
|
|
out_evt->entity = ctrl_handle_make(CTRL_MachineID_Local, event->thread);
|
|
out_evt->parent = ctrl_handle_make(CTRL_MachineID_Local, event->process);
|
|
out_evt->vaddr_rng = r1u64(event->address, event->address+event->size);
|
|
out_evt->bp_flags = ctrl_user_breakpoint_flags_from_dmn_trap_flags(event->flags);
|
|
}break;
|
|
}
|
|
ctrl_c2u_push_events(&evts);
|
|
|
|
//- rjf: if this is the first process in a session, clear the debug directory
|
|
// cache state
|
|
if(ctrl_state->process_counter == 1 && event->kind == DMN_EventKind_CreateProcess)
|
|
{
|
|
arena_clear(ctrl_state->dbg_dir_arena);
|
|
ctrl_state->dbg_dir_root = push_array(ctrl_state->dbg_dir_arena, CTRL_DbgDirNode, 1);
|
|
}
|
|
|
|
//- rjf: out of queued up demon events -> clear event arena
|
|
if(ctrl_state->first_dmn_event_node == 0)
|
|
{
|
|
ctrl_state->free_dmn_event_node = 0;
|
|
arena_clear(ctrl_state->dmn_event_arena);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
return(event);
|
|
}
|
|
|
|
//- rjf: eval helpers
|
|
|
|
internal B32
|
|
ctrl_eval_space_read(void *u, E_Space space, void *out, Rng1U64 range)
|
|
{
|
|
B32 result = 0;
|
|
switch(space.kind)
|
|
{
|
|
default:{}break;
|
|
|
|
//- rjf: intra-entity reads (process memory or thread registers)
|
|
case CTRL_EvalSpaceKind_Entity:
|
|
{
|
|
CTRL_Entity *entity = (CTRL_Entity *)space.u64_0;
|
|
switch(entity->kind)
|
|
{
|
|
default:{}break;
|
|
case CTRL_EntityKind_Process:
|
|
{
|
|
U64 read_size = dmn_process_read(entity->handle.dmn_handle, range, out);
|
|
result = (read_size == dim_1u64(range));
|
|
}break;
|
|
case CTRL_EntityKind_Thread:
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
U64 regs_size = regs_block_size_from_arch(entity->arch);
|
|
void *regs = ctrl_reg_block_from_thread(scratch.arena, entity_ctx, entity->handle);
|
|
Rng1U64 legal_range = r1u64(0, regs_size);
|
|
Rng1U64 read_range = intersect_1u64(legal_range, range);
|
|
U64 read_size = dim_1u64(read_range);
|
|
MemoryCopy(out, (U8 *)regs + read_range.min, read_size);
|
|
result = (read_size == dim_1u64(range));
|
|
scratch_end(scratch);
|
|
}break;
|
|
}
|
|
}break;
|
|
|
|
//- rjf: meta evaluations
|
|
case CTRL_EvalSpaceKind_Meta:
|
|
{
|
|
|
|
}break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//- rjf: control thread eval scopes
|
|
|
|
internal CTRL_EvalScope *
|
|
ctrl_thread__eval_scope_begin(Arena *arena, CTRL_UserBreakpointList *user_bps, CTRL_Entity *thread)
|
|
{
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_EvalScope *scope = push_array(arena, CTRL_EvalScope, 1);
|
|
scope->access = access_open();
|
|
|
|
//////////////////////////////
|
|
//- rjf: unpack thread
|
|
//
|
|
Arch arch = thread->arch;
|
|
U64 thread_rip_vaddr = dmn_rip_from_thread(thread->handle.dmn_handle);
|
|
CTRL_Entity *process = ctrl_process_from_entity(thread);
|
|
CTRL_Entity *module = ctrl_module_from_process_vaddr(process, thread_rip_vaddr);
|
|
U64 thread_rip_voff = ctrl_voff_from_vaddr(module, thread_rip_vaddr);
|
|
|
|
//////////////////////////////
|
|
//- rjf: gather evaluation modules
|
|
//
|
|
U64 eval_modules_count = Max(1, entity_ctx->entity_kind_counts[CTRL_EntityKind_Module]);
|
|
E_Module *eval_modules = push_array(arena, E_Module, eval_modules_count);
|
|
E_Module *eval_modules_primary = &eval_modules[0];
|
|
eval_modules_primary->rdi = &rdi_parsed_nil;
|
|
eval_modules_primary->vaddr_range = r1u64(0, max_U64);
|
|
{
|
|
U64 eval_module_idx = 0;
|
|
for(CTRL_Entity *machine = entity_ctx->root->first;
|
|
machine != &ctrl_entity_nil;
|
|
machine = machine->next)
|
|
{
|
|
if(machine->kind != CTRL_EntityKind_Machine) { continue; }
|
|
for(CTRL_Entity *process = machine->first;
|
|
process != &ctrl_entity_nil;
|
|
process = process->next)
|
|
{
|
|
if(process->kind != CTRL_EntityKind_Process) { continue; }
|
|
for(CTRL_Entity *mod = process->first;
|
|
mod != &ctrl_entity_nil;
|
|
mod = mod->next)
|
|
{
|
|
if(mod->kind != CTRL_EntityKind_Module) { continue; }
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(mod);
|
|
|
|
//- rjf: try to obtain this module's RDI
|
|
RDI_Parsed *rdi = di2_rdi_from_key(scope->access, dbgi_key, 0, 0);
|
|
|
|
//- rjf: if this RDI is not yet ready => determine if we need to wait for it
|
|
//
|
|
// (we *always* wait for the initial module)
|
|
//
|
|
B32 rdi_is_necessary = 1;
|
|
if(rdi == &rdi_parsed_nil) ProfScope("determine if RDI is necessary")
|
|
{
|
|
// rjf: find cached result
|
|
U64 hash = ctrl_hash_from_handle(mod->handle);
|
|
U64 slot_idx = hash%ctrl_state->module_req_cache_slots_count;
|
|
CTRL_ModuleReqCacheNode *slot = ctrl_state->module_req_cache_slots[slot_idx];
|
|
CTRL_ModuleReqCacheNode *node = 0;
|
|
for(CTRL_ModuleReqCacheNode *n = slot; slot != 0; slot = slot->next)
|
|
{
|
|
if(ctrl_handle_match(n->module, mod->handle))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// rjf: cached? -> take cached result
|
|
if(node != 0)
|
|
{
|
|
rdi_is_necessary = node->required;
|
|
}
|
|
|
|
// rjf: not cached -> compute & store
|
|
else ProfScope("cache miss")
|
|
{
|
|
CTRL_Entity *debug_info_path = ctrl_entity_child_from_kind(mod, CTRL_EntityKind_DebugInfoPath);
|
|
OS_Handle file = os_file_open(OS_AccessFlag_Read|OS_AccessFlag_ShareRead, debug_info_path->string);
|
|
{
|
|
//- rjf: determine if file is PDB
|
|
B32 file_is_pdb = 0;
|
|
if(!file_is_pdb)
|
|
{
|
|
U8 msf70_magic_maybe[sizeof(msf_msf70_magic)] = {0};
|
|
os_file_read(file, r1u64(0, sizeof(msf70_magic_maybe)), msf70_magic_maybe);
|
|
if(MemoryMatch(msf70_magic_maybe, msf_msf70_magic, sizeof(msf70_magic_maybe)))
|
|
{
|
|
file_is_pdb = 1;
|
|
}
|
|
}
|
|
if(!file_is_pdb)
|
|
{
|
|
U8 msf20_magic_maybe[sizeof(msf_msf20_magic)] = {0};
|
|
os_file_read(file, r1u64(0, sizeof(msf20_magic_maybe)), msf20_magic_maybe);
|
|
if(MemoryMatch(msf20_magic_maybe, msf_msf20_magic, sizeof(msf20_magic_maybe)))
|
|
{
|
|
file_is_pdb = 1;
|
|
}
|
|
}
|
|
|
|
//- rjf: file is PDB -> do thin parse & lookup of all breakpoint files/symbols.
|
|
// if any are found in the PDB, then this RDI is necessary.
|
|
if(file_is_pdb)
|
|
{
|
|
FileProperties props = os_properties_from_file(file);
|
|
OS_Handle map = os_file_map_open(OS_AccessFlag_Read, file);
|
|
void *file_base = os_file_map_view_open(map, OS_AccessFlag_Read, r1u64(0, props.size));
|
|
String8 file_data = str8(file_base, props.size);
|
|
{
|
|
rdi_is_necessary = pdb_has_symbol_or_file_ref(file_data, ctrl_state->msg_user_bp_touched_symbols, ctrl_state->msg_user_bp_touched_files);
|
|
}
|
|
os_file_map_view_close(map, file_base, r1u64(0, props.size));
|
|
os_file_map_close(map);
|
|
}
|
|
}
|
|
os_file_close(file);
|
|
node = push_array(ctrl_state->ctrl_thread_msg_process_arena, CTRL_ModuleReqCacheNode, 1);
|
|
node->next = slot;
|
|
ctrl_state->module_req_cache_slots[slot_idx] = node;
|
|
node->module = mod->handle;
|
|
node->required = rdi_is_necessary;
|
|
}
|
|
}
|
|
|
|
//- rjf: if this RDI is necessary, but we do not have it => wait for it forever
|
|
if(rdi == &rdi_parsed_nil && rdi_is_necessary)
|
|
{
|
|
rdi = di2_rdi_from_key(scope->access, dbgi_key, 1, max_U64);
|
|
}
|
|
|
|
//- rjf: fill evaluation module info
|
|
eval_modules[eval_module_idx].arch = arch;
|
|
eval_modules[eval_module_idx].rdi = rdi;
|
|
eval_modules[eval_module_idx].vaddr_range = mod->vaddr_range;
|
|
eval_modules[eval_module_idx].space = e_space_make(CTRL_EvalSpaceKind_Entity);
|
|
eval_modules[eval_module_idx].space.u64_0 = (U64)process;
|
|
if(mod == module)
|
|
{
|
|
eval_modules_primary = &eval_modules[eval_module_idx];
|
|
}
|
|
eval_module_idx += 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: select evaluation cache
|
|
//
|
|
e_select_cache(ctrl_state->ctrl_thread_eval_cache);
|
|
|
|
//////////////////////////////
|
|
//- rjf: build base evaluation context
|
|
//
|
|
{
|
|
E_BaseCtx *ctx = &scope->base_ctx;
|
|
|
|
//- rjf: fill instruction pointer info
|
|
ctx->thread_ip_vaddr = thread_rip_vaddr;
|
|
ctx->thread_ip_voff = thread_rip_voff;
|
|
ctx->thread_arch = thread->arch;
|
|
ctx->thread_reg_space = e_space_make(CTRL_EvalSpaceKind_Entity);
|
|
ctx->thread_reg_space.u64_0 = (U64)thread;
|
|
|
|
//- rjf: fill modules
|
|
ctx->modules = eval_modules;
|
|
ctx->modules_count = eval_modules_count;
|
|
ctx->primary_module = eval_modules_primary;
|
|
|
|
//- rjf: fill space hooks
|
|
ctx->space_read = ctrl_eval_space_read;
|
|
}
|
|
e_select_base_ctx(&scope->base_ctx);
|
|
|
|
//////////////////////////////
|
|
//- rjf: build IR evaluation context
|
|
//
|
|
{
|
|
E_IRCtx *ctx = &scope->ir_ctx;
|
|
ctx->regs_map = ctrl_string2reg_from_arch(arch);
|
|
ctx->reg_alias_map = ctrl_string2alias_from_arch(arch);
|
|
ctx->locals_map = e_push_locals_map_from_rdi_voff(arena, eval_modules_primary->rdi, thread_rip_voff);
|
|
ctx->member_map = e_push_member_map_from_rdi_voff(arena, eval_modules_primary->rdi, thread_rip_voff);
|
|
ctx->macro_map = push_array(arena, E_String2ExprMap, 1);
|
|
ctx->macro_map[0] = e_string2expr_map_make(arena, 512);
|
|
ctx->auto_hook_map = push_array(arena, E_AutoHookMap, 1);
|
|
ctx->auto_hook_map[0] = e_auto_hook_map_make(arena, 512);
|
|
}
|
|
e_select_ir_ctx(&scope->ir_ctx);
|
|
|
|
//////////////////////////////
|
|
//- rjf: build eval interpretation context
|
|
//
|
|
{
|
|
E_InterpretCtx *ctx = &scope->interpret_ctx;
|
|
ctx->space_read = ctrl_eval_space_read;
|
|
ctx->primary_space = eval_modules_primary->space;
|
|
ctx->reg_arch = eval_modules_primary->arch;
|
|
ctx->reg_space = e_space_make(CTRL_EvalSpaceKind_Entity);
|
|
ctx->reg_space.u64_0 = (U64)thread;
|
|
ctx->module_base = push_array(arena, U64, 1);
|
|
ctx->module_base[0]= module->vaddr_range.min;
|
|
ctx->frame_base = push_array(arena, U64, 1);
|
|
// TODO(rjf): need to compute this out here somehow... ctx->frame_base[0] = ;
|
|
ctx->tls_base = push_array(arena, U64, 1);
|
|
}
|
|
e_select_interpret_ctx(&scope->interpret_ctx, eval_modules_primary->rdi, thread_rip_voff);
|
|
|
|
return scope;
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__eval_scope_end(CTRL_EvalScope *scope)
|
|
{
|
|
access_close(scope->access);
|
|
}
|
|
|
|
//- rjf: log flusher
|
|
|
|
internal void
|
|
ctrl_thread__end_and_flush_log(void)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
LogScopeResult log = log_scope_end(scratch.arena);
|
|
os_append_data_to_file_path(ctrl_state->ctrl_thread_log_path, log.strings[LogMsgKind_Info]);
|
|
if(log.strings[LogMsgKind_UserError].size != 0)
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *evt = ctrl_event_list_push(scratch.arena, &evts);
|
|
evt->kind = CTRL_EventKind_Error;
|
|
evt->string = log.strings[LogMsgKind_UserError];
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
scratch_end(scratch);
|
|
}
|
|
|
|
//- rjf: msg kind implementations
|
|
|
|
internal void
|
|
ctrl_thread__launch(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
|
|
//- rjf: produce full stdout/stderr/stdin paths
|
|
String8 stdout_path = path_absolute_dst_from_relative_dst_src(scratch.arena, msg->stdout_path, msg->path);
|
|
String8 stdin_path = path_absolute_dst_from_relative_dst_src(scratch.arena, msg->stdin_path, msg->path);
|
|
String8 stderr_path = path_absolute_dst_from_relative_dst_src(scratch.arena, msg->stderr_path, msg->path);
|
|
|
|
//- rjf: obtain stdout/stderr/stdin handles
|
|
OS_Handle stdout_handle = {0};
|
|
OS_Handle stderr_handle = {0};
|
|
OS_Handle stdin_handle = {0};
|
|
if(stdout_path.size != 0)
|
|
{
|
|
OS_Handle f = os_file_open(OS_AccessFlag_Write|OS_AccessFlag_Read, stdout_path);
|
|
os_file_close(f);
|
|
stdout_handle = os_file_open(OS_AccessFlag_Write|OS_AccessFlag_Append|OS_AccessFlag_ShareRead|OS_AccessFlag_ShareWrite|OS_AccessFlag_Inherited, msg->stdout_path);
|
|
}
|
|
if(stderr_path.size != 0)
|
|
{
|
|
OS_Handle f = os_file_open(OS_AccessFlag_Write|OS_AccessFlag_Read, stderr_path);
|
|
os_file_close(f);
|
|
stderr_handle = os_file_open(OS_AccessFlag_Write|OS_AccessFlag_Append|OS_AccessFlag_ShareRead|OS_AccessFlag_ShareWrite|OS_AccessFlag_Inherited, msg->stderr_path);
|
|
}
|
|
if(stdin_path.size != 0)
|
|
{
|
|
stdin_handle = os_file_open(OS_AccessFlag_Read|OS_AccessFlag_ShareRead|OS_AccessFlag_ShareWrite|OS_AccessFlag_Inherited, stdin_path);
|
|
}
|
|
|
|
//- rjf: launch
|
|
OS_ProcessLaunchParams params = {0};
|
|
{
|
|
params.cmd_line = msg->cmd_line_string_list;
|
|
params.path = msg->path;
|
|
params.env = msg->env_string_list;
|
|
params.inherit_env = msg->env_inherit;
|
|
params.debug_subprocesses = msg->debug_subprocesses;
|
|
params.stdout_file = stdout_handle;
|
|
params.stderr_file = stderr_handle;
|
|
params.stdin_file = stdin_handle;
|
|
}
|
|
U32 id = dmn_ctrl_launch(ctrl_ctx, ¶ms);
|
|
|
|
//- rjf: close stdout/stderr/stdin files
|
|
os_file_close(stdout_handle);
|
|
os_file_close(stderr_handle);
|
|
os_file_close(stdin_handle);
|
|
|
|
//- rjf: record (id -> entry points), so that we know custom entry points for this PID
|
|
CTRL_EntityCtxRWStore *entity_ctx_rw_store = ctrl_state->ctrl_thread_entity_store;
|
|
MutexScopeW(ctrl_state->ctrl_thread_entity_ctx_rw_mutex)
|
|
{
|
|
for(String8Node *n = msg->entry_points.first; n != 0; n = n->next)
|
|
{
|
|
String8 string = n->string;
|
|
CTRL_Entity *entry = ctrl_entity_alloc(entity_ctx_rw_store, entity_ctx_rw_store->ctx.root, CTRL_EntityKind_EntryPoint, Arch_Null, ctrl_handle_zero(), (U64)id);
|
|
ctrl_entity_equip_string(entity_ctx_rw_store, entry, string);
|
|
}
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__attach(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
|
|
//- rjf: attach
|
|
B32 attach_successful = dmn_ctrl_attach(ctrl_ctx, msg->entity_id);
|
|
|
|
//- rjf: run to handshake
|
|
if(attach_successful)
|
|
{
|
|
DMN_Handle unfrozen_process = {0};
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
run_ctrls.run_entities_are_unfrozen = 1;
|
|
run_ctrls.run_entities_are_processes = 1;
|
|
for(B32 done = 0; done == 0;)
|
|
{
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_CreateProcess:
|
|
{
|
|
unfrozen_process = event->process;
|
|
run_ctrls.run_entities = &unfrozen_process;
|
|
run_ctrls.run_entity_count = 1;
|
|
}break;
|
|
case DMN_EventKind_Halt:
|
|
case DMN_EventKind_Exception:
|
|
case DMN_EventKind_Error:
|
|
case DMN_EventKind_HandshakeComplete:
|
|
{
|
|
done = 1;
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: record stop
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = CTRL_EventCause_Finished;
|
|
event->msg_id = msg->msg_id;
|
|
event->entity_id = !!attach_successful * msg->entity_id;
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__kill(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
DMN_Handle process = msg->entity.dmn_handle;
|
|
U32 exit_code = msg->exit_code;
|
|
|
|
//- rjf: send kill
|
|
B32 kill_worked = dmn_ctrl_kill(ctrl_ctx, process, exit_code);
|
|
|
|
//- rjf: wait for process to be dead
|
|
CTRL_EventCause cause = CTRL_EventCause_Finished;
|
|
if(kill_worked)
|
|
{
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
run_ctrls.run_entities_are_unfrozen = 1;
|
|
run_ctrls.run_entities_are_processes = 1;
|
|
run_ctrls.run_entities = &process;
|
|
run_ctrls.run_entity_count = 1;
|
|
for(B32 done = 0; done == 0;)
|
|
{
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_ExitProcess:
|
|
if(dmn_handle_match(event->process, process))
|
|
{
|
|
done = 1;
|
|
}break;
|
|
case DMN_EventKind_Error:{done = 1; cause = CTRL_EventCause_Error;}break;
|
|
case DMN_EventKind_Halt: {done = 1; cause = CTRL_EventCause_InterruptedByHalt;}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: record stop
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = cause;
|
|
event->msg_id = msg->msg_id;
|
|
if(kill_worked)
|
|
{
|
|
event->entity = msg->entity;
|
|
}
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__kill_all(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
U32 exit_code = msg->exit_code;
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
|
|
//- rjf: gather all currently existing processes
|
|
CTRL_EntityArray initial_processes = ctrl_entity_array_from_kind(entity_ctx, CTRL_EntityKind_Process);
|
|
typedef struct Task Task;
|
|
struct Task
|
|
{
|
|
Task *next;
|
|
Task *prev;
|
|
CTRL_Entity *process;
|
|
};
|
|
Task *first_task = 0;
|
|
Task *last_task = 0;
|
|
for EachIndex(idx, initial_processes.count)
|
|
{
|
|
CTRL_Entity *entity = initial_processes.v[idx];
|
|
Task *t = push_array(scratch.arena, Task, 1);
|
|
t->process = entity;
|
|
DLLPushBack(first_task, last_task, t);
|
|
}
|
|
|
|
//- rjf: kill processes as needed, wait for all processes to be dead
|
|
CTRL_EventCause cause = CTRL_EventCause_Finished;
|
|
if(first_task != 0)
|
|
{
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
for(B32 done = 0; !done;)
|
|
{
|
|
// rjf: kill remaining processes
|
|
for(Task *t = first_task, *next = 0; t != 0; t = next)
|
|
{
|
|
next = t->next;
|
|
B32 kill_worked = dmn_ctrl_kill(ctrl_ctx, t->process->handle.dmn_handle, exit_code);
|
|
if(kill_worked)
|
|
{
|
|
DLLRemove(first_task, last_task, t);
|
|
}
|
|
}
|
|
|
|
// rjf: get next event
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
|
|
// rjf: process event
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_CreateProcess:
|
|
{
|
|
CTRL_Entity *new_process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->process));
|
|
Task *t = push_array(scratch.arena, Task, 1);
|
|
t->process = new_process;
|
|
DLLPushBack(first_task, last_task, t);
|
|
}break;
|
|
case DMN_EventKind_Error:{done = 1; cause = CTRL_EventCause_Error;}break;
|
|
case DMN_EventKind_Halt: {done = 1; cause = CTRL_EventCause_InterruptedByHalt;}break;
|
|
}
|
|
|
|
// rjf: end if all processes are gone
|
|
CTRL_EntityArray processes = ctrl_entity_array_from_kind(entity_ctx, CTRL_EntityKind_Process);
|
|
if(processes.count == 0)
|
|
{
|
|
done = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: record stop
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = cause;
|
|
event->msg_id = msg->msg_id;
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__detach(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
DMN_Handle process = msg->entity.dmn_handle;
|
|
|
|
//- rjf: detach
|
|
B32 detach_worked = dmn_ctrl_detach(ctrl_ctx, process);
|
|
|
|
//- rjf: wait for process to be dead
|
|
if(detach_worked)
|
|
{
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
run_ctrls.run_entities_are_unfrozen = 1;
|
|
run_ctrls.run_entities_are_processes = 1;
|
|
run_ctrls.run_entities = &process;
|
|
run_ctrls.run_entity_count = 1;
|
|
for(B32 done = 0; done == 0;)
|
|
{
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
if(event->kind == DMN_EventKind_ExitProcess && dmn_handle_match(event->process, process))
|
|
{
|
|
done = 1;
|
|
}
|
|
if(event->kind == DMN_EventKind_Halt)
|
|
{
|
|
done = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: record stop
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = CTRL_EventCause_Finished;
|
|
event->msg_id = msg->msg_id;
|
|
if(detach_worked)
|
|
{
|
|
event->entity = msg->entity;
|
|
}
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__run(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
DMN_Event *stop_event = 0;
|
|
CTRL_EventCause stop_cause = CTRL_EventCause_Null;
|
|
CTRL_EntityCtx *entity_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_Handle target_thread = msg->entity;
|
|
CTRL_Handle target_process = msg->parent;
|
|
CTRL_Entity *target_process_entity = ctrl_entity_from_handle(entity_ctx, target_process);
|
|
U64 spoof_ip_vaddr = 911;
|
|
log_infof("ctrl_thread__run:\n{\n");
|
|
|
|
//////////////////////////////
|
|
//- rjf: gather all initial breakpoints
|
|
//
|
|
DMN_TrapChunkList user_traps = {0};
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(entity_ctx, target_thread);
|
|
CTRL_EvalScope *eval_scope = ctrl_thread__eval_scope_begin(scratch.arena, &msg->user_bps, thread);
|
|
for(CTRL_Entity *machine = entity_ctx->root->first;
|
|
machine != &ctrl_entity_nil;
|
|
machine = machine->next)
|
|
{
|
|
if(machine->kind != CTRL_EntityKind_Machine) { continue; }
|
|
for(CTRL_Entity *process = machine->first; process != &ctrl_entity_nil; process = process->next)
|
|
{
|
|
if(process->kind != CTRL_EntityKind_Process) { continue; }
|
|
|
|
// rjf: resolve module-dependent user bps
|
|
for(CTRL_Entity *module = process->first; module != &ctrl_entity_nil; module = module->next)
|
|
{
|
|
if(module->kind != CTRL_EntityKind_Module) { continue; }
|
|
ctrl_thread__append_resolved_module_user_bp_traps(scratch.arena, eval_scope, process->handle, module->handle, &msg->user_bps, &user_traps);
|
|
}
|
|
|
|
// rjf: push process-declared breakpoins
|
|
for(CTRL_Entity *bp = process->first; bp != &ctrl_entity_nil; bp = bp->next)
|
|
{
|
|
if(bp->kind != CTRL_EntityKind_Breakpoint) { continue; }
|
|
ctrl_thread__append_program_defined_bp_traps(scratch.arena, bp, &user_traps);
|
|
}
|
|
|
|
// rjf: push virtual-address user breakpoints per-process
|
|
ctrl_thread__append_resolved_process_user_bp_traps(scratch.arena, eval_scope, process->handle, &msg->user_bps, &user_traps);
|
|
}
|
|
}
|
|
ctrl_thread__eval_scope_end(eval_scope);
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: read initial stack-pointer-check value
|
|
//
|
|
// This MUST happen before any threads move, including single-stepping stuck
|
|
// threads, because otherwise, their stack pointer may change, if single-stepping
|
|
// causes e.g. entrance into a function via a call instruction.
|
|
//
|
|
U64 sp_check_value = dmn_rsp_from_thread(target_thread.dmn_handle);
|
|
log_infof("sp_check_value := 0x%I64x\n", sp_check_value);
|
|
|
|
//////////////////////////////
|
|
//- rjf: single step "stuck threads"
|
|
//
|
|
// "Stuck threads" are threads that are already on a User BP and would hit
|
|
// it immediately if resumed with all User BPs enabled. To get them "unstuck"
|
|
// we just need to single step them to get them off their current instruction.
|
|
//
|
|
// This only applies to threads OTHER THAN the target thread. If the target
|
|
// thread is on a user breakpoint, then we need to let trap net logic run,
|
|
// which may include features put on a trap net trap at the same address as
|
|
// the user breakpoint.
|
|
//
|
|
B32 target_thread_is_on_user_bp_and_trap_net_trap = 0;
|
|
if(stop_event == 0)
|
|
{
|
|
// rjf: gather stuck threads
|
|
DMN_HandleList stuck_threads = {0};
|
|
for(CTRL_Entity *machine = entity_ctx->root->first;
|
|
machine != &ctrl_entity_nil;
|
|
machine = machine->next)
|
|
{
|
|
if(machine->kind != CTRL_EntityKind_Machine) { continue; }
|
|
for(CTRL_Entity *process = machine->first; process != &ctrl_entity_nil; process = process->next)
|
|
{
|
|
if(process->kind != CTRL_EntityKind_Process) { continue; }
|
|
for(CTRL_Entity *thread = process->first; thread != &ctrl_entity_nil; thread = thread->next)
|
|
{
|
|
U64 rip = dmn_rip_from_thread(thread->handle.dmn_handle);
|
|
|
|
// rjf: determine if thread is frozen
|
|
B32 thread_is_frozen = thread->is_frozen;
|
|
|
|
// rjf: not frozen? -> check if stuck & gather if so
|
|
if(!thread_is_frozen)
|
|
{
|
|
for(DMN_TrapChunkNode *n = user_traps.first; n != 0; n = n->next)
|
|
{
|
|
B32 is_on_user_bp = 0;
|
|
for(DMN_Trap *trap_ptr = n->v; trap_ptr < n->v+n->count; trap_ptr += 1)
|
|
{
|
|
if(dmn_handle_match(trap_ptr->process, process->handle.dmn_handle) && trap_ptr->vaddr == rip)
|
|
{
|
|
is_on_user_bp = 1;
|
|
}
|
|
}
|
|
|
|
B32 is_on_net_trap = 0;
|
|
for(CTRL_TrapNode *n = msg->traps.first; n != 0; n = n->next)
|
|
{
|
|
if(n->v.vaddr == rip)
|
|
{
|
|
is_on_net_trap = 1;
|
|
}
|
|
}
|
|
|
|
if(is_on_user_bp && (!is_on_net_trap || !dmn_handle_match(thread->handle.dmn_handle, target_thread.dmn_handle)))
|
|
{
|
|
dmn_handle_list_push(scratch.arena, &stuck_threads, thread->handle.dmn_handle);
|
|
}
|
|
|
|
if(is_on_user_bp && is_on_net_trap && dmn_handle_match(thread->handle.dmn_handle, target_thread.dmn_handle))
|
|
{
|
|
target_thread_is_on_user_bp_and_trap_net_trap = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: actually step stuck threads
|
|
for(DMN_HandleNode *node = stuck_threads.first;
|
|
node != 0;
|
|
node = node->next)
|
|
{
|
|
DMN_Handle thread = node->v;
|
|
U64 thread_pre_rip = dmn_rip_from_thread(thread);
|
|
U64 thread_post_rip = thread_pre_rip;
|
|
for(B32 done = 0; !done;)
|
|
{
|
|
log_infof("single_step_stuck_thread([0x%I64x])\n", thread.u64[0]);
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
run_ctrls.run_entities_are_unfrozen = 1;
|
|
run_ctrls.run_entities = &thread;
|
|
run_ctrls.run_entity_count = 1;
|
|
if(thread_post_rip == thread_pre_rip)
|
|
{
|
|
run_ctrls.single_step_thread = thread;
|
|
}
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
thread_post_rip = dmn_rip_from_thread(thread);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_ExitThread:
|
|
if(dmn_handle_match(event->thread, thread))
|
|
{
|
|
stop_cause = CTRL_EventCause_Error;
|
|
goto stop;
|
|
}break;
|
|
case DMN_EventKind_Error: stop_cause = CTRL_EventCause_Error; goto stop;
|
|
case DMN_EventKind_Exception: stop_cause = CTRL_EventCause_InterruptedByException; goto stop;
|
|
case DMN_EventKind_Trap: stop_cause = CTRL_EventCause_InterruptedByTrap; goto stop;
|
|
case DMN_EventKind_Halt: stop_cause = CTRL_EventCause_InterruptedByHalt; goto stop;
|
|
stop:;
|
|
{
|
|
stop_event = event;
|
|
done = 1;
|
|
}break;
|
|
case DMN_EventKind_SingleStep:
|
|
{
|
|
done = dmn_handle_match(node->v, event->thread);
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: gather frozen threads
|
|
//
|
|
CTRL_EntityList frozen_threads = {0};
|
|
for(CTRL_Entity *machine = entity_ctx->root->first;
|
|
machine != &ctrl_entity_nil;
|
|
machine = machine->next)
|
|
{
|
|
if(machine->kind != CTRL_EntityKind_Machine) { continue; }
|
|
for(CTRL_Entity *process = machine->first; process != &ctrl_entity_nil; process = process->next)
|
|
{
|
|
if(process->kind != CTRL_EntityKind_Process) { continue; }
|
|
for(CTRL_Entity *thread = process->first; thread != &ctrl_entity_nil; thread = thread->next)
|
|
{
|
|
if(thread->is_frozen)
|
|
{
|
|
ctrl_entity_list_push(scratch.arena, &frozen_threads, thread);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: resolve trap net
|
|
//
|
|
DMN_TrapChunkList trap_net_traps = {0};
|
|
for(CTRL_TrapNode *node = msg->traps.first;
|
|
node != 0;
|
|
node = node->next)
|
|
{
|
|
DMN_Trap trap = {target_process.dmn_handle, node->v.vaddr};
|
|
dmn_trap_chunk_list_push(scratch.arena, &trap_net_traps, 256, &trap);
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: join user breakpoints and trap net traps
|
|
//
|
|
DMN_TrapChunkList joined_traps = {0};
|
|
{
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &user_traps);
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &trap_net_traps);
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: record start
|
|
//
|
|
if(stop_event == 0)
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Started;
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: run loop
|
|
//
|
|
if(stop_event == 0)
|
|
{
|
|
B32 spoof_mode = 0;
|
|
CTRL_Spoof spoof = {0};
|
|
DMN_TrapChunkList entry_traps = {0};
|
|
for(U64 run_loop_idx = 0;; run_loop_idx += 1)
|
|
{
|
|
//////////////////////////
|
|
//- rjf: choose low level traps
|
|
//
|
|
DMN_TrapChunkList *trap_list = &joined_traps;
|
|
if(spoof_mode)
|
|
{
|
|
trap_list = &user_traps;
|
|
}
|
|
|
|
//////////////////////////
|
|
//- rjf: choose spoof
|
|
//
|
|
CTRL_Spoof *run_spoof = 0;
|
|
if(spoof_mode)
|
|
{
|
|
run_spoof = &spoof;
|
|
}
|
|
|
|
//////////////////////////
|
|
//- rjf: setup run controls
|
|
//
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
if(run_loop_idx == 0)
|
|
{
|
|
run_ctrls.priority_thread = target_thread.dmn_handle;
|
|
}
|
|
run_ctrls.ignore_previous_exception = 1;
|
|
run_ctrls.run_entity_count = frozen_threads.count;
|
|
run_ctrls.run_entities = push_array(scratch.arena, DMN_Handle, run_ctrls.run_entity_count);
|
|
run_ctrls.run_entities_are_unfrozen = 0;
|
|
{
|
|
U64 idx = 0;
|
|
for(CTRL_EntityNode *n = frozen_threads.first; n != 0; n = n->next)
|
|
{
|
|
run_ctrls.run_entities[idx] = n->v->handle.dmn_handle;
|
|
idx += 1;
|
|
}
|
|
}
|
|
run_ctrls.traps = *trap_list;
|
|
|
|
//////////////////////////
|
|
//- rjf: get next run-related event
|
|
//
|
|
log_infof("get_next_event:\n{\n");
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, run_spoof);
|
|
log_infof("}\n\n");
|
|
|
|
//////////////////////////
|
|
//- rjf: determine event handling
|
|
//
|
|
B32 launch_done_first_module = 0;
|
|
B32 hard_stop = 0;
|
|
CTRL_EventCause hard_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
B32 use_stepping_logic = 0;
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Error:
|
|
case DMN_EventKind_Halt:
|
|
case DMN_EventKind_SingleStep:
|
|
case DMN_EventKind_Trap:
|
|
{
|
|
hard_stop = 1;
|
|
log_infof("step_rule: unexpected -> hard_stop\n");
|
|
}break;
|
|
case DMN_EventKind_Exception:
|
|
case DMN_EventKind_Breakpoint:
|
|
{
|
|
use_stepping_logic = 1;
|
|
log_infof("step_rule: exception/breakpoint -> stepping_logic\n");
|
|
}break;
|
|
case DMN_EventKind_CreateProcess:
|
|
{
|
|
CTRL_EvalScope *eval_scope = ctrl_thread__eval_scope_begin(scratch.arena, &msg->user_bps, &ctrl_entity_nil);
|
|
{
|
|
DMN_TrapChunkList new_traps = {0};
|
|
ctrl_thread__append_resolved_process_user_bp_traps(scratch.arena, eval_scope, ctrl_handle_make(CTRL_MachineID_Local, event->process), &msg->user_bps, &new_traps);
|
|
log_infof("step_rule: create_process -> resolve traps\n");
|
|
log_infof("new_traps:\n{\n");
|
|
for(DMN_TrapChunkNode *n = new_traps.first; n != 0; n = n->next)
|
|
{
|
|
for(U64 idx = 0; idx < n->count; idx += 1)
|
|
{
|
|
DMN_Trap *trap = &n->v[idx];
|
|
log_infof("{process:[0x%I64x], vaddr:0x%I64x}\n", trap->process.u64[0], trap->vaddr);
|
|
}
|
|
}
|
|
log_infof("}\n\n");
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &new_traps);
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &user_traps, &new_traps);
|
|
}
|
|
ctrl_thread__eval_scope_end(eval_scope);
|
|
}break;
|
|
case DMN_EventKind_LoadModule:
|
|
{
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->thread));
|
|
CTRL_EvalScope *eval_scope = ctrl_thread__eval_scope_begin(scratch.arena, &msg->user_bps, thread);
|
|
{
|
|
DMN_TrapChunkList new_traps = {0};
|
|
ctrl_thread__append_resolved_module_user_bp_traps(scratch.arena, eval_scope, ctrl_handle_make(CTRL_MachineID_Local, event->process), ctrl_handle_make(CTRL_MachineID_Local, event->module), &msg->user_bps, &new_traps);
|
|
log_infof("step_rule: load_module -> resolve traps\n");
|
|
log_infof("new_traps:\n{\n");
|
|
for(DMN_TrapChunkNode *n = new_traps.first; n != 0; n = n->next)
|
|
{
|
|
for(U64 idx = 0; idx < n->count; idx += 1)
|
|
{
|
|
DMN_Trap *trap = &n->v[idx];
|
|
log_infof("{process:[0x%I64x], vaddr:0x%I64x}\n", trap->process.u64[0], trap->vaddr);
|
|
}
|
|
}
|
|
log_infof("}\n\n");
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &new_traps);
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &user_traps, &new_traps);
|
|
}
|
|
ctrl_thread__eval_scope_end(eval_scope);
|
|
}break;
|
|
case DMN_EventKind_SetBreakpoint:
|
|
{
|
|
CTRL_Entity *bp = &ctrl_entity_nil;
|
|
{
|
|
CTRL_Entity *process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->process));
|
|
for(CTRL_Entity *child = process->first; child != &ctrl_entity_nil; child = child->next)
|
|
{
|
|
if(child->kind == CTRL_EntityKind_Breakpoint &&
|
|
child->vaddr_range.min == event->address &&
|
|
child->vaddr_range.max == event->address + event->size &&
|
|
child->bp_flags == ctrl_user_breakpoint_flags_from_dmn_trap_flags(event->flags))
|
|
{
|
|
bp = child;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(bp != &ctrl_entity_nil)
|
|
{
|
|
DMN_TrapChunkList new_traps = {0};
|
|
ctrl_thread__append_program_defined_bp_traps(scratch.arena, bp, &new_traps);
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &new_traps);
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &user_traps, &new_traps);
|
|
}
|
|
}break;
|
|
}
|
|
|
|
//////////////////////////
|
|
//- rjf: on launches, detect entry points, place traps
|
|
//
|
|
if(msg->run_flags & CTRL_RunFlag_StopOnEntryPoint && !launch_done_first_module && event->kind == DMN_EventKind_HandshakeComplete)
|
|
{
|
|
launch_done_first_module = 1;
|
|
Access *access = access_open();
|
|
|
|
//- rjf: unpack process/module info
|
|
CTRL_Entity *process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->process));
|
|
CTRL_Entity *module = ctrl_entity_child_from_kind(process, CTRL_EntityKind_Module);
|
|
U64 module_base_vaddr = module->vaddr_range.min;
|
|
DI2_Key dbgi_key = ctrl_dbgi_key_from_module(module);
|
|
RDI_Parsed *rdi = di2_rdi_from_key(access, dbgi_key, 1, max_U64);
|
|
RDI_NameMap *unparsed_map = rdi_element_from_name_idx(rdi, NameMaps, RDI_NameMapKind_Procedures);
|
|
RDI_ParsedNameMap map = {0};
|
|
rdi_parsed_from_name_map(rdi, unparsed_map, &map);
|
|
|
|
//- rjf: add traps for user-specified entry points on this message, if specified
|
|
B32 entries_found = 0;
|
|
if(!entries_found)
|
|
{
|
|
for(String8Node *n = msg->entry_points.first; n != 0; n = n->next)
|
|
{
|
|
U32 procedure_id = 0;
|
|
{
|
|
String8 name = n->string;
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
entries_found = 1;
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: add traps for module-baked entry points, if specified
|
|
if(!entries_found)
|
|
{
|
|
String8 raddbg_data = ctrl_raddbg_data_from_module(scratch.arena, module->handle);
|
|
U8 split_char = 0;
|
|
String8List raddbg_data_text_parts = str8_split(scratch.arena, raddbg_data, &split_char, 1, 0);
|
|
for(String8Node *text_n = raddbg_data_text_parts.first; text_n != 0; text_n = text_n->next)
|
|
{
|
|
String8 text = text_n->string;
|
|
MD_Node *root = md_tree_from_string(scratch.arena, text);
|
|
if(str8_match(root->first->string, str8_lit("entry_point"), 0))
|
|
{
|
|
String8 name = root->first->first->string;
|
|
U32 procedure_id = 0;
|
|
{
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
entries_found = 1;
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: add traps for PID-correllated entry points
|
|
if(!entries_found)
|
|
{
|
|
for(CTRL_Entity *e = entity_ctx->root->first; e != &ctrl_entity_nil; e = e->next)
|
|
{
|
|
if(e->id == process->id)
|
|
{
|
|
U32 procedure_id = 0;
|
|
{
|
|
String8 name = e->string;
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
entries_found = 1;
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: add traps for all custom user entry points
|
|
if(!entries_found)
|
|
{
|
|
for(String8Node *n = ctrl_state->user_entry_points.first; n != 0; n = n->next)
|
|
{
|
|
U32 procedure_id = 0;
|
|
{
|
|
String8 name = n->string;
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: add traps for all high-level entry points
|
|
if(!entries_found)
|
|
{
|
|
String8 hi_entry_points[] =
|
|
{
|
|
str8_lit("WinMain"),
|
|
str8_lit("wWinMain"),
|
|
str8_lit("main"),
|
|
str8_lit("wmain"),
|
|
};
|
|
for(U64 idx = 0; idx < ArrayCount(hi_entry_points); idx += 1)
|
|
{
|
|
U32 procedure_id = 0;
|
|
{
|
|
String8 name = hi_entry_points[idx];
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
entries_found = 1;
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: add trap for PE header entry
|
|
if(!entries_found)
|
|
{
|
|
U64 voff = ctrl_entry_point_voff_from_module(module->handle);
|
|
if(voff != 0)
|
|
{
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
|
|
//- rjf: add traps for all low-level entry points
|
|
if(!entries_found)
|
|
{
|
|
String8 lo_entry_points[] =
|
|
{
|
|
str8_lit("WinMainCRTStartup"),
|
|
str8_lit("wWinMainCRTStartup"),
|
|
str8_lit("mainCRTStartup"),
|
|
str8_lit("wmainCRTStartup"),
|
|
};
|
|
for(U64 idx = 0; idx < ArrayCount(lo_entry_points); idx += 1)
|
|
{
|
|
U32 procedure_id = 0;
|
|
{
|
|
String8 name = lo_entry_points[idx];
|
|
RDI_NameMapNode *node = rdi_name_map_lookup(rdi, &map, name.str, name.size);
|
|
U32 id_count = 0;
|
|
U32 *ids = rdi_matches_from_map_node(rdi, node, &id_count);
|
|
if(id_count > 0)
|
|
{
|
|
procedure_id = ids[0];
|
|
}
|
|
}
|
|
RDI_Procedure *procedure = rdi_element_from_name_idx(rdi, Procedures, procedure_id);
|
|
U64 voff = rdi_first_voff_from_procedure(rdi, procedure);
|
|
if(voff != 0)
|
|
{
|
|
entries_found = 1;
|
|
DMN_Trap trap = {process->handle.dmn_handle, module_base_vaddr + voff};
|
|
dmn_trap_chunk_list_push(scratch.arena, &entry_traps, 256, &trap);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: no entry point found -> done
|
|
if(entry_traps.trap_count == 0)
|
|
{
|
|
hard_stop = 1;
|
|
}
|
|
|
|
//- rjf: found entry points -> add to joined traps
|
|
dmn_trap_chunk_list_concat_shallow_copy(scratch.arena, &joined_traps, &entry_traps);
|
|
|
|
access_close(access);
|
|
}
|
|
|
|
//////////////////////////
|
|
//- rjf: unpack info about thread attached to event
|
|
//
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->thread));
|
|
CTRL_Entity *process = ctrl_entity_from_handle(entity_ctx, ctrl_handle_make(CTRL_MachineID_Local, event->process));
|
|
Arch arch = thread->arch;
|
|
U64 thread_rip_vaddr = dmn_rip_from_thread(event->thread);
|
|
CTRL_Entity *module = &ctrl_entity_nil;
|
|
{
|
|
for(CTRL_Entity *m = process->first; m != &ctrl_entity_nil; m = m->next)
|
|
{
|
|
if(m->kind == CTRL_EntityKind_Module && contains_1u64(m->vaddr_range, thread_rip_vaddr))
|
|
{
|
|
module = m;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////
|
|
//- rjf: extract module-dependent info
|
|
//
|
|
U64 thread_rip_voff = thread_rip_vaddr - module->vaddr_range.min;
|
|
|
|
//////////////////////////
|
|
//- rjf: stepping logic
|
|
//
|
|
//{
|
|
|
|
//////////////////////////
|
|
//- rjf: handle if hitting a spoof
|
|
//
|
|
B32 exception_stop = 0;
|
|
B32 hit_spoof = 0;
|
|
if(!hard_stop && use_stepping_logic && event->kind == DMN_EventKind_Exception)
|
|
{
|
|
if(spoof_mode &&
|
|
dmn_handle_match(target_process.dmn_handle, event->process) &&
|
|
dmn_handle_match(target_thread.dmn_handle, event->thread) &&
|
|
spoof.new_ip_value == event->address)
|
|
{
|
|
hit_spoof = 1;
|
|
log_infof("hit_spoof\n");
|
|
}
|
|
else
|
|
{
|
|
exception_stop = 1;
|
|
use_stepping_logic = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: handle spoof hit
|
|
if(hit_spoof)
|
|
{
|
|
log_infof("exit_spoof_mode\n");
|
|
|
|
// rjf: clear spoof mode
|
|
spoof_mode = 0;
|
|
MemoryZeroStruct(&spoof);
|
|
|
|
// rjf: skip remainder of handling
|
|
use_stepping_logic = 0;
|
|
}
|
|
|
|
//- rjf: for breakpoint events, gather bp info
|
|
B32 hit_entry = 0;
|
|
B32 hit_user_bp = 0;
|
|
B32 hit_trap_net_bp = 0;
|
|
B32 hit_conditional_bp_but_filtered = 0;
|
|
CTRL_TrapFlags hit_trap_flags = 0;
|
|
if(!hard_stop && use_stepping_logic && event->kind == DMN_EventKind_Breakpoint)
|
|
ProfScope("for breakpoint events, gather bp info")
|
|
{
|
|
Temp temp = temp_begin(scratch.arena);
|
|
String8List conditions = {0};
|
|
|
|
// rjf: entry breakpoints
|
|
for(DMN_TrapChunkNode *n = entry_traps.first; n != 0; n = n->next)
|
|
{
|
|
DMN_Trap *trap = n->v;
|
|
DMN_Trap *opl = n->v + n->count;
|
|
for(;trap < opl; trap += 1)
|
|
{
|
|
if(dmn_handle_match(trap->process, event->process) && trap->vaddr == event->instruction_pointer)
|
|
{
|
|
hit_entry = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: user breakpoints
|
|
{
|
|
if(event->user_data != 0)
|
|
{
|
|
hit_user_bp = 1;
|
|
}
|
|
for(DMN_TrapChunkNode *n = user_traps.first; n != 0; n = n->next)
|
|
{
|
|
DMN_Trap *trap = n->v;
|
|
DMN_Trap *opl = n->v + n->count;
|
|
for(;trap < opl; trap += 1)
|
|
{
|
|
if(dmn_handle_match(trap->process, event->process) &&
|
|
trap->vaddr == event->instruction_pointer &&
|
|
(!dmn_handle_match(event->thread, target_thread.dmn_handle) || !target_thread_is_on_user_bp_and_trap_net_trap))
|
|
{
|
|
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)trap->id;
|
|
hit_user_bp = 1;
|
|
if(user_bp != 0 && !(trap->id & bit64) && user_bp->condition.size != 0)
|
|
{
|
|
str8_list_push(temp.arena, &conditions, user_bp->condition);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: programmatic user breakpoints (we do not have state for it,
|
|
// but the target program(s) did something breakpoint-like, and we
|
|
// want to treat it as if we did)
|
|
if(event->address != 0)
|
|
{
|
|
hit_user_bp = 1;
|
|
}
|
|
|
|
// rjf: evaluate hit stop conditions
|
|
if(conditions.node_count != 0) ProfScope("evaluate hit stop conditions")
|
|
{
|
|
CTRL_EvalScope *eval_scope = ctrl_thread__eval_scope_begin(temp.arena, &msg->user_bps, thread);
|
|
for(String8Node *condition_n = conditions.first; condition_n != 0; condition_n = condition_n->next)
|
|
{
|
|
// rjf: evaluate
|
|
E_Eval eval = zero_struct;
|
|
ProfScope("evaluate expression")
|
|
{
|
|
eval = e_eval_from_string(condition_n->string);
|
|
}
|
|
|
|
// rjf: interpret evaluation
|
|
if(eval.code == E_InterpretationCode_Good && eval.value.u64 == 0)
|
|
{
|
|
hit_user_bp = 0;
|
|
hit_conditional_bp_but_filtered = 1;
|
|
log_infof("conditional_breakpoint_hit: 'condition eval'd to 0, and so filtered'\n");
|
|
}
|
|
else
|
|
{
|
|
hit_user_bp = 1;
|
|
hit_conditional_bp_but_filtered = 0;
|
|
log_infof("conditional_breakpoint_hit: 'conditional eval'd to nonzero, hit'\n");
|
|
break;
|
|
}
|
|
}
|
|
ctrl_thread__eval_scope_end(eval_scope);
|
|
}
|
|
|
|
// rjf: gather trap net hits
|
|
ProfScope("gather trap net hits")
|
|
{
|
|
if(!hit_user_bp && dmn_handle_match(event->process, target_process.dmn_handle))
|
|
{
|
|
for(CTRL_TrapNode *node = msg->traps.first;
|
|
node != 0;
|
|
node = node->next)
|
|
{
|
|
if(node->v.vaddr == event->instruction_pointer)
|
|
{
|
|
hit_trap_net_bp = 1;
|
|
hit_trap_flags |= node->v.flags;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
log_infof("user_breakpoint_hit: %i\n", hit_user_bp);
|
|
log_infof("entry_point_hit: %i\n", hit_entry);
|
|
temp_end(temp);
|
|
}
|
|
|
|
//- rjf: hit conditional user bp but filtered -> single step
|
|
B32 cond_bp_single_step_stop = 0;
|
|
CTRL_EventCause cond_bp_single_step_stop_cause = CTRL_EventCause_Null;
|
|
if(hit_conditional_bp_but_filtered) LogInfoNamedBlockF("conditional_bp_hit_single_step")
|
|
{
|
|
DMN_Handle thread = event->thread;
|
|
U64 thread_pre_rip = dmn_rip_from_thread(thread);
|
|
U64 thread_post_rip = thread_pre_rip;
|
|
for(B32 single_step_done = 0; !single_step_done;)
|
|
{
|
|
DMN_RunCtrls single_step_ctrls = {0};
|
|
single_step_ctrls.run_entities_are_unfrozen = 1;
|
|
single_step_ctrls.run_entities = &thread;
|
|
single_step_ctrls.run_entity_count = 1;
|
|
if(thread_post_rip == thread_pre_rip)
|
|
{
|
|
single_step_ctrls.single_step_thread = thread;
|
|
}
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &single_step_ctrls, 0);
|
|
thread_post_rip = dmn_rip_from_thread(thread);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Error:
|
|
case DMN_EventKind_Exception:
|
|
case DMN_EventKind_Halt:
|
|
case DMN_EventKind_Trap:
|
|
{
|
|
cond_bp_single_step_stop = 1;
|
|
single_step_done = 1;
|
|
use_stepping_logic = 0;
|
|
cond_bp_single_step_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
case DMN_EventKind_SingleStep:
|
|
{
|
|
single_step_done = dmn_handle_match(event->thread, thread);
|
|
cond_bp_single_step_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: hit entry points on *any thread* cause a stop, if this msg says as such
|
|
B32 entry_stop = 0;
|
|
if(msg->run_flags & CTRL_RunFlag_StopOnEntryPoint && hit_entry)
|
|
{
|
|
entry_stop = 1;
|
|
use_stepping_logic = 0;
|
|
}
|
|
|
|
//- rjf: user breakpoints on *any thread* cause a stop
|
|
B32 user_bp_stop = 0;
|
|
if(!hard_stop && use_stepping_logic && hit_user_bp)
|
|
{
|
|
user_bp_stop = 1;
|
|
use_stepping_logic = 0;
|
|
}
|
|
|
|
//- rjf: trap net on off-target threads are ignored
|
|
B32 step_past_trap_net = 0;
|
|
if(!hard_stop && use_stepping_logic && hit_trap_net_bp)
|
|
{
|
|
if(!dmn_handle_match(event->thread, target_thread.dmn_handle))
|
|
{
|
|
step_past_trap_net = 1;
|
|
use_stepping_logic = 0;
|
|
}
|
|
}
|
|
|
|
//- rjf: trap net on on-target threads trigger trap net logic
|
|
B32 use_trap_net_logic = 0;
|
|
if(!hard_stop && use_stepping_logic && hit_trap_net_bp)
|
|
{
|
|
if(dmn_handle_match(event->thread, target_thread.dmn_handle))
|
|
{
|
|
use_trap_net_logic = 1;
|
|
}
|
|
}
|
|
|
|
//- rjf: trap net logic: stack pointer check
|
|
B32 stack_pointer_matches = 0;
|
|
if(use_trap_net_logic)
|
|
{
|
|
U64 sp = dmn_rsp_from_thread(target_thread.dmn_handle);
|
|
stack_pointer_matches = (sp == sp_check_value);
|
|
}
|
|
|
|
//- rjf: trap net logic: single step after hit
|
|
B32 single_step_stop = 0;
|
|
CTRL_EventCause single_step_stop_cause = CTRL_EventCause_Null;
|
|
if(!hard_stop && use_trap_net_logic)
|
|
{
|
|
if(hit_trap_flags & CTRL_TrapFlag_SingleStepAfterHit) LogInfoNamedBlockF("trap_net__single_step_after_hit")
|
|
{
|
|
U64 thread_pre_rip = dmn_rip_from_thread(target_thread.dmn_handle);
|
|
U64 thread_post_rip = thread_pre_rip;
|
|
for(B32 single_step_done = 0; single_step_done == 0;)
|
|
{
|
|
DMN_RunCtrls single_step_ctrls = {0};
|
|
single_step_ctrls.run_entities_are_unfrozen = 1;
|
|
single_step_ctrls.run_entities = &target_thread.dmn_handle;
|
|
single_step_ctrls.run_entity_count = 1;
|
|
if(thread_post_rip == thread_pre_rip)
|
|
{
|
|
single_step_ctrls.single_step_thread = target_thread.dmn_handle;
|
|
}
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &single_step_ctrls, 0);
|
|
thread_post_rip = dmn_rip_from_thread(target_thread.dmn_handle);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Error:
|
|
case DMN_EventKind_Exception:
|
|
case DMN_EventKind_Halt:
|
|
case DMN_EventKind_Trap:
|
|
{
|
|
single_step_stop = 1;
|
|
single_step_done = 1;
|
|
use_stepping_logic = 0;
|
|
use_trap_net_logic = 0;
|
|
single_step_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
case DMN_EventKind_SingleStep:
|
|
{
|
|
single_step_done = dmn_handle_match(event->thread, target_thread.dmn_handle);
|
|
single_step_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: trap net logic: begin spoof mode
|
|
B32 begin_spoof_mode = 0;
|
|
if(!hard_stop && use_trap_net_logic)
|
|
{
|
|
if(hit_trap_flags & CTRL_TrapFlag_BeginSpoofMode) LogInfoNamedBlockF("trap_net__begin_spoof_mode")
|
|
{
|
|
// rjf: setup spoof mode
|
|
begin_spoof_mode = 1;
|
|
U64 spoof_sp = dmn_rsp_from_thread(target_thread.dmn_handle);
|
|
spoof_mode = 1;
|
|
spoof.process = target_process.dmn_handle;
|
|
spoof.thread = target_thread.dmn_handle;
|
|
spoof.vaddr = spoof_sp;
|
|
spoof.new_ip_value = spoof_ip_vaddr;
|
|
log_infof("spoof:{process:[0x%I64x], thread:[0x%I64x], vaddr:0x%I64x, new_ip_value:0x%I64x}\n", spoof.process.u64[0], spoof.thread.u64[0], spoof.vaddr, spoof.new_ip_value);
|
|
}
|
|
}
|
|
|
|
//- rjf: trap net logic: save stack pointer
|
|
B32 save_stack_pointer = 0;
|
|
if(!hard_stop && use_trap_net_logic)
|
|
{
|
|
if(hit_trap_flags & CTRL_TrapFlag_SaveStackPointer)
|
|
{
|
|
if(stack_pointer_matches) LogInfoNamedBlockF("trap_net__save_sp")
|
|
{
|
|
save_stack_pointer = 1;
|
|
sp_check_value = dmn_rsp_from_thread(target_thread.dmn_handle);
|
|
log_infof("sp_check_value = 0x%I64x\n", sp_check_value);
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: trap net logic: end stepping
|
|
B32 trap_net_stop = 0;
|
|
if(!hard_stop && use_trap_net_logic)
|
|
{
|
|
if(hit_trap_flags & CTRL_TrapFlag_EndStepping) LogInfoNamedBlockF("trap_net__end_step")
|
|
{
|
|
if((hit_trap_flags & CTRL_TrapFlag_IgnoreStackPointerCheck) ||
|
|
stack_pointer_matches)
|
|
{
|
|
trap_net_stop = 1;
|
|
use_trap_net_logic = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//}
|
|
//
|
|
//- rjf: stepping logic
|
|
////////////////////////////////
|
|
|
|
//- rjf: handle step past trap net
|
|
B32 step_past_trap_net_stop = 0;
|
|
CTRL_EventCause step_past_trap_net_stop_cause = CTRL_EventCause_Null;
|
|
if(step_past_trap_net) LogInfoNamedBlockF("trap_net__single_step_past_trap_net")
|
|
{
|
|
DMN_Handle thread = event->thread;
|
|
U64 thread_pre_rip = dmn_rip_from_thread(thread);
|
|
U64 thread_post_rip = thread_pre_rip;
|
|
for(B32 single_step_done = 0; single_step_done == 0;)
|
|
{
|
|
DMN_RunCtrls single_step_ctrls = {0};
|
|
single_step_ctrls.run_entities_are_unfrozen = 1;
|
|
single_step_ctrls.run_entities = &thread;
|
|
single_step_ctrls.run_entity_count = 1;
|
|
if(thread_post_rip == thread_pre_rip)
|
|
{
|
|
single_step_ctrls.single_step_thread = thread;
|
|
}
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &single_step_ctrls, 0);
|
|
thread_post_rip = dmn_rip_from_thread(thread);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Error:
|
|
case DMN_EventKind_Exception:
|
|
case DMN_EventKind_Halt:
|
|
case DMN_EventKind_Trap:
|
|
{
|
|
step_past_trap_net_stop = 1;
|
|
single_step_done = 1;
|
|
step_past_trap_net_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
case DMN_EventKind_SingleStep:
|
|
{
|
|
single_step_done = dmn_handle_match(event->thread, thread);
|
|
step_past_trap_net_stop_cause = ctrl_event_cause_from_dmn_event_kind(event->kind);
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: loop exit condition
|
|
CTRL_EventCause stage_stop_cause = CTRL_EventCause_Null;
|
|
if(hard_stop)
|
|
{
|
|
stage_stop_cause = hard_stop_cause;
|
|
}
|
|
else if(cond_bp_single_step_stop)
|
|
{
|
|
stage_stop_cause = cond_bp_single_step_stop_cause;
|
|
}
|
|
else if(single_step_stop)
|
|
{
|
|
stage_stop_cause = single_step_stop_cause;
|
|
}
|
|
else if(step_past_trap_net_stop)
|
|
{
|
|
stage_stop_cause = step_past_trap_net_stop_cause;
|
|
}
|
|
else if(exception_stop)
|
|
{
|
|
stage_stop_cause = CTRL_EventCause_InterruptedByException;
|
|
}
|
|
else if(user_bp_stop)
|
|
{
|
|
stage_stop_cause = CTRL_EventCause_UserBreakpoint;
|
|
}
|
|
else if(entry_stop)
|
|
{
|
|
stage_stop_cause = CTRL_EventCause_EntryPoint;
|
|
}
|
|
else if(trap_net_stop)
|
|
{
|
|
stage_stop_cause = CTRL_EventCause_Finished;
|
|
}
|
|
log_infof("stop_cause: %i\n", stage_stop_cause);
|
|
if(stage_stop_cause != CTRL_EventCause_Null)
|
|
{
|
|
stop_event = event;
|
|
stop_cause = stage_stop_cause;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//////////////////////////////
|
|
//- rjf: record stop
|
|
//
|
|
if(stop_event != 0)
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = stop_cause;
|
|
event->entity = ctrl_handle_make(CTRL_MachineID_Local, stop_event->thread);
|
|
event->parent = ctrl_handle_make(CTRL_MachineID_Local, stop_event->process);
|
|
event->exception_code = stop_event->code;
|
|
event->exception_kind = ctrl_exception_kind_from_dmn(stop_event->exception_kind);
|
|
event->vaddr_rng = r1u64(stop_event->address, stop_event->address);
|
|
event->rip_vaddr = stop_event->instruction_pointer;
|
|
if(stop_cause == CTRL_EventCause_UserBreakpoint && stop_event->user_data != 0)
|
|
{
|
|
if(!(stop_event->user_data & bit64))
|
|
{
|
|
CTRL_UserBreakpoint *user_bp = (CTRL_UserBreakpoint *)stop_event->user_data;
|
|
event->u64_code = user_bp->id;
|
|
}
|
|
}
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
log_infof("}\n\n");
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
internal void
|
|
ctrl_thread__single_step(DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg)
|
|
{
|
|
ProfBeginFunction();
|
|
Temp scratch = scratch_begin(0, 0);
|
|
|
|
//- rjf: record start
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Started;
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
//- rjf: single step
|
|
DMN_Handle thread = msg->entity.dmn_handle;
|
|
B32 thread_is_valid = !dmn_handle_match(thread, dmn_handle_zero());
|
|
DMN_Event *stop_event = 0;
|
|
CTRL_EventCause stop_cause = CTRL_EventCause_Null;
|
|
if(thread_is_valid)
|
|
{
|
|
U64 thread_pre_rip = dmn_rip_from_thread(thread);
|
|
U64 thread_post_rip = thread_pre_rip;
|
|
for(B32 done = 0; done == 0;)
|
|
{
|
|
DMN_RunCtrls run_ctrls = {0};
|
|
run_ctrls.run_entities_are_unfrozen = 1;
|
|
run_ctrls.run_entities = &thread;
|
|
run_ctrls.run_entity_count = 1;
|
|
if(thread_post_rip == thread_pre_rip)
|
|
{
|
|
run_ctrls.single_step_thread = msg->entity.dmn_handle;
|
|
}
|
|
DMN_Event *event = ctrl_thread__next_dmn_event(scratch.arena, ctrl_ctx, msg, &run_ctrls, 0);
|
|
thread_post_rip = dmn_rip_from_thread(msg->entity.dmn_handle);
|
|
switch(event->kind)
|
|
{
|
|
default:{}break;
|
|
case DMN_EventKind_Error: {stop_cause = CTRL_EventCause_Error;}goto end_single_step;
|
|
case DMN_EventKind_Exception: {stop_cause = CTRL_EventCause_InterruptedByException;}goto end_single_step;
|
|
case DMN_EventKind_Halt: {stop_cause = CTRL_EventCause_InterruptedByHalt;}goto end_single_step;
|
|
case DMN_EventKind_Trap: {stop_cause = CTRL_EventCause_InterruptedByTrap;}goto end_single_step;
|
|
case DMN_EventKind_Breakpoint: {stop_cause = CTRL_EventCause_UserBreakpoint;}goto end_single_step;
|
|
case DMN_EventKind_SingleStep: {stop_cause = CTRL_EventCause_Finished;}goto end_single_step;
|
|
end_single_step:
|
|
{
|
|
stop_event = event;
|
|
done = 1;
|
|
}break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: record stop
|
|
{
|
|
CTRL_EventList evts = {0};
|
|
CTRL_Event *event = ctrl_event_list_push(scratch.arena, &evts);
|
|
event->kind = CTRL_EventKind_Stopped;
|
|
event->cause = stop_cause;
|
|
if(stop_event != 0)
|
|
{
|
|
event->entity = ctrl_handle_make(CTRL_MachineID_Local, stop_event->thread);
|
|
event->parent = ctrl_handle_make(CTRL_MachineID_Local, stop_event->process);
|
|
event->exception_code = stop_event->code;
|
|
event->exception_kind = ctrl_exception_kind_from_dmn(stop_event->exception_kind);
|
|
event->vaddr_rng = r1u64(stop_event->address, stop_event->address);
|
|
event->rip_vaddr = stop_event->instruction_pointer;
|
|
}
|
|
ctrl_c2u_push_events(&evts);
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
ProfEnd();
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Process Memory Artifact Cache Hooks / Lookups
|
|
|
|
internal AC_Artifact
|
|
ctrl_memory_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out)
|
|
{
|
|
AC_Artifact artifact = {0};
|
|
{
|
|
//- rjf: unpack key
|
|
CTRL_Handle process = {0};
|
|
Rng1U64 vaddr_range = {0};
|
|
B32 zero_terminated = 0;
|
|
{
|
|
U64 key_read_off = 0;
|
|
key_read_off += str8_deserial_read_struct(key, key_read_off, &process);
|
|
key_read_off += str8_deserial_read_struct(key, key_read_off, &vaddr_range);
|
|
key_read_off += str8_deserial_read_struct(key, key_read_off, &zero_terminated);
|
|
}
|
|
|
|
//- rjf: clamp vaddr range
|
|
Rng1U64 vaddr_range_clamped = vaddr_range;
|
|
{
|
|
vaddr_range_clamped.max = Max(vaddr_range_clamped.max, vaddr_range_clamped.min);
|
|
U64 max_size_cap = Min(max_U64-vaddr_range_clamped.min, GB(1));
|
|
vaddr_range_clamped.max = Min(vaddr_range_clamped.max, vaddr_range_clamped.min+max_size_cap);
|
|
}
|
|
|
|
//- rjf: do read
|
|
U64 range_size = 0;
|
|
Arena *range_arena = 0;
|
|
void *range_base = 0;
|
|
U64 zero_terminated_size = 0;
|
|
U64 pre_read_mem_gen = ctrl_mem_gen();
|
|
B32 pre_run_state = ins_atomic_u64_eval(&ctrl_state->ctrl_thread_run_state);
|
|
{
|
|
range_size = dim_1u64(vaddr_range_clamped);
|
|
U64 page_size = os_get_system_info()->page_size; // TODO(rjf): @page_size_from_process
|
|
U64 arena_size = AlignPow2(range_size + ARENA_HEADER_SIZE, page_size);
|
|
range_arena = arena_alloc(.reserve_size = range_size+ARENA_HEADER_SIZE, .commit_size = range_size+ARENA_HEADER_SIZE);
|
|
if(range_arena == 0)
|
|
{
|
|
range_size = 0;
|
|
}
|
|
else
|
|
{
|
|
range_base = push_array_no_zero(range_arena, U8, range_size);
|
|
U64 bytes_read = 0;
|
|
U64 retry_count = 0;
|
|
U64 retry_limit = range_size > page_size ? 64 : 0;
|
|
for(Rng1U64 vaddr_range_clamped_retry = vaddr_range_clamped;
|
|
retry_count <= retry_limit;
|
|
retry_count += 1)
|
|
{
|
|
bytes_read = dmn_process_read(process.dmn_handle, vaddr_range_clamped_retry, range_base);
|
|
if(bytes_read == 0 && vaddr_range_clamped_retry.max > vaddr_range_clamped_retry.min)
|
|
{
|
|
U64 diff = (vaddr_range_clamped_retry.max-vaddr_range_clamped_retry.min)/2;
|
|
vaddr_range_clamped_retry.max -= diff;
|
|
vaddr_range_clamped_retry.max = AlignDownPow2(vaddr_range_clamped_retry.max, page_size);
|
|
if(diff == 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if(bytes_read == 0)
|
|
{
|
|
arena_release(range_arena);
|
|
range_base = 0;
|
|
range_size = 0;
|
|
range_arena = 0;
|
|
}
|
|
else if(bytes_read < range_size)
|
|
{
|
|
MemoryZero((U8 *)range_base + bytes_read, range_size-bytes_read);
|
|
}
|
|
zero_terminated_size = range_size;
|
|
if(zero_terminated)
|
|
{
|
|
for(U64 idx = 0; idx < bytes_read; idx += 1)
|
|
{
|
|
if(((U8 *)range_base)[idx] == 0)
|
|
{
|
|
zero_terminated_size = idx;
|
|
break;
|
|
}
|
|
}
|
|
U64 bytes_overkill = (bytes_read - zero_terminated_size);
|
|
arena_pop(range_arena, bytes_overkill);
|
|
}
|
|
}
|
|
}
|
|
U64 post_read_mem_gen = ctrl_mem_gen();
|
|
B32 post_run_state = ins_atomic_u64_eval(&ctrl_state->ctrl_thread_run_state);
|
|
|
|
//- rjf: form content key
|
|
C_Key content_key = {0};
|
|
{
|
|
content_key.id.u128[0] = u128_hash_from_str8(key);
|
|
}
|
|
|
|
//- rjf: read successful -> submit to hash store
|
|
U128 hash = {0};
|
|
if(range_base != 0 && pre_read_mem_gen == post_read_mem_gen)
|
|
{
|
|
hash = c_submit_data(content_key, &range_arena, str8((U8*)range_base, zero_terminated_size));
|
|
}
|
|
else if(range_arena != 0)
|
|
{
|
|
arena_release(range_arena);
|
|
retry_out[0] = 1;
|
|
}
|
|
|
|
//- rjf: wakeup on new reads
|
|
if(!u128_match(u128_zero(), hash))
|
|
{
|
|
if(ctrl_state->wakeup_hook != 0)
|
|
{
|
|
ctrl_state->wakeup_hook();
|
|
}
|
|
}
|
|
|
|
//- rjf: bundle content key as artifact
|
|
StaticAssert(sizeof(content_key) == sizeof(artifact), artifact_key_size_check);
|
|
MemoryCopyStruct(&artifact, &content_key);
|
|
}
|
|
return artifact;
|
|
}
|
|
|
|
internal void
|
|
ctrl_memory_artifact_destroy(AC_Artifact artifact)
|
|
{
|
|
C_Key key = {0};
|
|
MemoryCopyStruct(&key, &artifact);
|
|
c_close_key(key);
|
|
}
|
|
|
|
internal C_Key
|
|
ctrl_key_from_process_vaddr_range(CTRL_Handle process, Rng1U64 vaddr_range, B32 zero_terminated, U64 endt_us, B32 *out_is_stale)
|
|
{
|
|
ProfBeginFunction();
|
|
struct
|
|
{
|
|
CTRL_Handle process;
|
|
Rng1U64 vaddr_range;
|
|
B32 zero_terminated;
|
|
B32 _padding_;
|
|
} key_data = {process, vaddr_range, zero_terminated};
|
|
String8 key = str8_struct(&key_data);
|
|
Access *access = access_open();
|
|
AC_Artifact artifact = ac_artifact_from_key(access, key, ctrl_memory_artifact_create, ctrl_memory_artifact_destroy, endt_us,
|
|
.flags = AC_Flag_HighPriority,
|
|
.gen = ctrl_mem_gen(),
|
|
.slots_count = 2048,
|
|
.stale_out = out_is_stale,
|
|
.evict_threshold_us = 10000000);
|
|
C_Key content_key = {0};
|
|
MemoryCopyStruct(&content_key, &artifact);
|
|
access_close(access);
|
|
ProfEnd();
|
|
return content_key;
|
|
}
|
|
|
|
//- rjf: process memory reading helpers
|
|
|
|
internal CTRL_ProcessMemorySlice
|
|
ctrl_process_memory_slice_from_vaddr_range(Arena *arena, CTRL_Handle process, Rng1U64 range, U64 endt_us)
|
|
{
|
|
ProfBeginFunction();
|
|
CTRL_ProcessMemorySlice result = {0};
|
|
if(range.max > range.min &&
|
|
dim_1u64(range) <= MB(256) &&
|
|
range.min <= 0x000FFFFFFFFFFFFFull &&
|
|
range.max <= 0x000FFFFFFFFFFFFFull)
|
|
{
|
|
Temp scratch = scratch_begin(&arena, 1);
|
|
Access *access = access_open();
|
|
|
|
//- rjf: unpack address range, prepare per-touched-page info
|
|
U64 page_size = KB(4);
|
|
Rng1U64 page_range = r1u64(AlignDownPow2(range.min, page_size), AlignPow2(range.max, page_size));
|
|
U64 page_count = dim_1u64(page_range)/page_size;
|
|
U128 *page_hashes = push_array(scratch.arena, U128, page_count);
|
|
U128 *page_last_hashes = push_array(scratch.arena, U128, page_count);
|
|
|
|
//- rjf: gather hashes & last-hashes for each page
|
|
ProfScope("gather hashes & last-hashes for each page")
|
|
{
|
|
for(U64 page_idx = 0; page_idx < page_count; page_idx += 1)
|
|
{
|
|
U64 page_base_vaddr = page_range.min + page_idx*page_size;
|
|
B32 page_is_stale = 0;
|
|
C_Key page_key = ctrl_key_from_process_vaddr_range(process, r1u64(page_base_vaddr, page_base_vaddr+page_size), 0, endt_us, &page_is_stale);
|
|
U128 page_hash = c_hash_from_key(page_key, 0);
|
|
U128 page_last_hash = c_hash_from_key(page_key, 1);
|
|
result.stale = (result.stale || page_is_stale);
|
|
page_hashes[page_idx] = page_hash;
|
|
page_last_hashes[page_idx] = page_last_hash;
|
|
}
|
|
}
|
|
|
|
//- rjf: setup output buffers
|
|
void *read_out = push_array(arena, U8, dim_1u64(range));
|
|
U64 *byte_bad_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
|
|
U64 *byte_changed_flags = push_array(arena, U64, (dim_1u64(range)+63)/64);
|
|
|
|
//- rjf: iterate pages, fill output
|
|
ProfScope("iterate pages, fill output")
|
|
{
|
|
U64 write_off = 0;
|
|
for(U64 page_idx = 0; page_idx < page_count; page_idx += 1)
|
|
{
|
|
// rjf: read data for this page
|
|
String8 data = c_data_from_hash(access, page_hashes[page_idx]);
|
|
Rng1U64 data_vaddr_range = r1u64(page_range.min + page_idx*page_size, page_range.min + page_idx*page_size+data.size);
|
|
|
|
// rjf: skip/chop bytes which are irrelevant for the actual requested read
|
|
String8 in_range_data = data;
|
|
if(page_idx == page_count-1 && data_vaddr_range.max > range.max)
|
|
{
|
|
in_range_data = str8_chop(in_range_data, data_vaddr_range.max-range.max);
|
|
}
|
|
if(page_idx == 0 && range.min > data_vaddr_range.min)
|
|
{
|
|
in_range_data = str8_skip(in_range_data, range.min-data_vaddr_range.min);
|
|
}
|
|
|
|
// rjf: write this chunk
|
|
MemoryCopy((U8*)read_out+write_off, in_range_data.str, in_range_data.size);
|
|
|
|
// rjf; if this page's data doesn't fill the entire range, mark
|
|
// missing bytes as bad
|
|
if(data.size < page_size) ProfScope("mark missing bytes as bad")
|
|
{
|
|
Rng1U64 invalid_range = r1u64(data_vaddr_range.min+data.size, data_vaddr_range.min + page_size);
|
|
Rng1U64 in_range_invalid_range = intersect_1u64(invalid_range, range);
|
|
for(U64 invalid_vaddr = in_range_invalid_range.min;
|
|
invalid_vaddr < in_range_invalid_range.max;
|
|
invalid_vaddr += 1)
|
|
{
|
|
U64 idx_in_range = invalid_vaddr - range.min;
|
|
byte_bad_flags[idx_in_range/64] |= (1ull<<(idx_in_range%64));
|
|
}
|
|
}
|
|
|
|
// rjf: if this page's hash & last_hash don't match, diff each byte &
|
|
// fill out changed flags
|
|
if(!u128_match(page_hashes[page_idx], page_last_hashes[page_idx])) ProfScope("hashes don't match; diff each byte")
|
|
{
|
|
String8 last_data = c_data_from_hash(access, page_last_hashes[page_idx]);
|
|
String8 in_range_last_data = last_data;
|
|
if(page_idx == page_count-1 && data_vaddr_range.max > range.max)
|
|
{
|
|
in_range_last_data = str8_chop(in_range_last_data, data_vaddr_range.max-range.max);
|
|
}
|
|
if(page_idx == 0 && range.min > data_vaddr_range.min)
|
|
{
|
|
in_range_last_data = str8_skip(in_range_last_data, range.min-data_vaddr_range.min);
|
|
}
|
|
for(U64 idx = 0; idx < in_range_data.size; idx += 1)
|
|
{
|
|
U8 last_byte = idx < in_range_last_data.size ? in_range_last_data.str[idx] : 0;
|
|
U8 now_byte = idx < in_range_data.size ? in_range_data.str[idx] : 0;
|
|
if(last_byte != now_byte)
|
|
{
|
|
U64 idx_in_read_out = write_off+idx;
|
|
byte_changed_flags[idx_in_read_out/64] |= (1ull<<(idx_in_read_out%64));
|
|
}
|
|
}
|
|
}
|
|
|
|
// rjf: increment past this chunk
|
|
U64 bytes_to_skip = page_size;
|
|
if(page_idx == 0 && range.min > data_vaddr_range.min)
|
|
{
|
|
bytes_to_skip -= (range.min-data_vaddr_range.min);
|
|
}
|
|
write_off += bytes_to_skip;
|
|
}
|
|
}
|
|
|
|
//- rjf: fill result
|
|
result.data.str = (U8*)read_out;
|
|
result.data.size = dim_1u64(range);
|
|
result.byte_bad_flags = byte_bad_flags;
|
|
result.byte_changed_flags = byte_changed_flags;
|
|
if(byte_bad_flags != 0)
|
|
{
|
|
for(U64 idx = 0; idx < (dim_1u64(range)+63)/64; idx += 1)
|
|
{
|
|
result.any_byte_bad = result.any_byte_bad || !!result.byte_bad_flags[idx];
|
|
}
|
|
}
|
|
if(byte_changed_flags != 0)
|
|
{
|
|
for(U64 idx = 0; idx < (dim_1u64(range)+63)/64; idx += 1)
|
|
{
|
|
result.any_byte_changed = result.any_byte_changed || !!result.byte_changed_flags[idx];
|
|
}
|
|
}
|
|
|
|
access_close(access);
|
|
scratch_end(scratch);
|
|
}
|
|
ProfEnd();
|
|
return result;
|
|
}
|
|
|
|
internal B32
|
|
ctrl_process_memory_read(CTRL_Handle process, Rng1U64 range, B32 *is_stale_out, void *out, U64 endt_us)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
U64 needed_size = dim_1u64(range);
|
|
CTRL_ProcessMemorySlice slice = ctrl_process_memory_slice_from_vaddr_range(scratch.arena, process, range, endt_us);
|
|
B32 good = (slice.data.size >= needed_size && !slice.any_byte_bad);
|
|
if(good)
|
|
{
|
|
MemoryCopy(out, slice.data.str, needed_size);
|
|
}
|
|
if(slice.stale && is_stale_out)
|
|
{
|
|
*is_stale_out = 1;
|
|
}
|
|
scratch_end(scratch);
|
|
return good;
|
|
}
|
|
|
|
//- rjf: process memory writing
|
|
|
|
internal B32
|
|
ctrl_process_write(CTRL_Handle process, Rng1U64 range, void *src)
|
|
{
|
|
ProfBeginFunction();
|
|
B32 result = dmn_process_write(process.dmn_handle, range, src);
|
|
|
|
//- rjf: success -> bump generation
|
|
if(result)
|
|
{
|
|
ins_atomic_u64_inc_eval(&ctrl_state->mem_gen);
|
|
}
|
|
|
|
//- rjf: success -> wait for cache updates, for small regions - prefer relatively seamless
|
|
// writes within calling frame's "view" of the memory, at the expense of a small amount of
|
|
// time.
|
|
if(result)
|
|
{
|
|
U64 endt_us = os_now_microseconds()+5000;
|
|
U64 page_size = os_get_system_info()->page_size; // TODO(rjf): @page_size_from_process
|
|
Rng1U64 page_range = r1u64(range.min/page_size, range.max/page_size);
|
|
for EachInRange(page_idx, page_range)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
ctrl_process_memory_slice_from_vaddr_range(scratch.arena, process, r1u64(page_idx*page_size, (page_idx+1)*page_size), endt_us);
|
|
scratch_end(scratch);
|
|
if(os_now_microseconds() >= endt_us)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
ProfEnd();
|
|
return result;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Call Stack Artifact Cache Hooks / Lookups
|
|
|
|
internal AC_Artifact
|
|
ctrl_call_stack_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out)
|
|
{
|
|
AC_Artifact artifact = {0};
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
|
|
//- rjf: unpack key
|
|
CTRL_Handle thread_handle = {0};
|
|
str8_deserial_read_struct(key, 0, &thread_handle);
|
|
|
|
//- rjf: produce mini entity context for just this call stack build
|
|
CTRL_EntityCtx *entity_ctx = push_array(scratch.arena, CTRL_EntityCtx, 1);
|
|
MutexScopeR(ctrl_state->ctrl_thread_entity_ctx_rw_mutex)
|
|
{
|
|
CTRL_EntityCtx *src_ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_EntityCtx *dst_ctx = entity_ctx;
|
|
{
|
|
dst_ctx->root = &ctrl_entity_nil;
|
|
dst_ctx->hash_slots_count = 1024;
|
|
dst_ctx->hash_slots = push_array(scratch.arena, CTRL_EntityHashSlot, dst_ctx->hash_slots_count);
|
|
MemoryCopyArray(dst_ctx->entity_kind_counts, src_ctx->entity_kind_counts);
|
|
MemoryCopyArray(dst_ctx->entity_kind_alloc_gens, src_ctx->entity_kind_alloc_gens);
|
|
}
|
|
CTRL_Entity *src_thread = ctrl_entity_from_handle(src_ctx, thread_handle);
|
|
CTRL_Entity *src_process = ctrl_process_from_entity(src_thread);
|
|
{
|
|
CTRL_EntityRec rec = {0};
|
|
CTRL_Entity *dst_parent = &ctrl_entity_nil;
|
|
for(CTRL_Entity *src_e = src_process; src_e != &ctrl_entity_nil; src_e = rec.next)
|
|
{
|
|
rec = ctrl_entity_rec_depth_first_pre(src_e, src_process);
|
|
|
|
// rjf: determine if we need this entity
|
|
B32 need_this_entity = (ctrl_handle_match(thread_handle, src_e->handle) || src_e->kind == CTRL_EntityKind_Module || src_e->kind == CTRL_EntityKind_Process);
|
|
|
|
// rjf: copy this entity
|
|
CTRL_Entity *dst_e = &ctrl_entity_nil;
|
|
if(need_this_entity)
|
|
{
|
|
dst_e = push_array(scratch.arena, CTRL_Entity, 1);
|
|
{
|
|
dst_e->first = dst_e->last = dst_e->next = dst_e->prev = &ctrl_entity_nil;
|
|
dst_e->parent = dst_parent;
|
|
dst_e->kind = src_e->kind;
|
|
dst_e->arch = src_e->arch;
|
|
dst_e->is_frozen = src_e->is_frozen;
|
|
dst_e->is_soloed = src_e->is_soloed;
|
|
dst_e->rgba = src_e->rgba;
|
|
dst_e->handle = src_e->handle;
|
|
dst_e->id = src_e->id;
|
|
dst_e->vaddr_range = src_e->vaddr_range;
|
|
dst_e->stack_base = src_e->stack_base;
|
|
dst_e->timestamp = src_e->timestamp;
|
|
dst_e->bp_flags = src_e->bp_flags;
|
|
dst_e->string = push_str8_copy(scratch.arena, src_e->string);
|
|
}
|
|
if(dst_parent == &ctrl_entity_nil)
|
|
{
|
|
dst_ctx->root = dst_e;
|
|
}
|
|
else
|
|
{
|
|
DLLPushBack_NPZ(&ctrl_entity_nil, dst_parent->first, dst_parent->last, dst_e, next, prev);
|
|
}
|
|
}
|
|
|
|
// rjf: insert into hash map
|
|
if(dst_e != &ctrl_entity_nil)
|
|
{
|
|
U64 hash = ctrl_hash_from_handle(dst_e->handle);
|
|
U64 slot_idx = hash%dst_ctx->hash_slots_count;
|
|
CTRL_EntityHashSlot *slot = &dst_ctx->hash_slots[slot_idx];
|
|
CTRL_EntityHashNode *node = 0;
|
|
for(CTRL_EntityHashNode *n = slot->first; n != 0; n = n->next)
|
|
{
|
|
if(ctrl_handle_match(n->entity->handle, dst_e->handle))
|
|
{
|
|
node = n;
|
|
break;
|
|
}
|
|
}
|
|
if(node == 0)
|
|
{
|
|
node = push_array(scratch.arena, CTRL_EntityHashNode, 1);
|
|
MemoryZeroStruct(node);
|
|
DLLPushBack(slot->first, slot->last, node);
|
|
node->entity = dst_e;
|
|
}
|
|
}
|
|
|
|
// rjf: push/pop
|
|
if(rec.push_count)
|
|
{
|
|
dst_parent = dst_e;
|
|
}
|
|
else for(S32 pop_idx = 0; pop_idx < rec.pop_count; pop_idx += 1)
|
|
{
|
|
dst_parent = dst_parent->parent;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: compute call stack
|
|
CTRL_Entity *thread = ctrl_entity_from_handle(entity_ctx, thread_handle);
|
|
B32 good = 1;
|
|
Arena *arena = 0;
|
|
CTRL_CallStack *call_stack = 0;
|
|
if(thread != &ctrl_entity_nil)
|
|
{
|
|
good = 0;
|
|
arena = arena_alloc();
|
|
call_stack = push_array(arena, CTRL_CallStack, 1);
|
|
CTRL_Entity *process = ctrl_process_from_entity(thread);
|
|
U64 pre_reg_gen = 0;
|
|
U64 post_reg_gen = 0;
|
|
U64 pre_mem_gen = 0;
|
|
U64 post_mem_gen = 0;
|
|
CTRL_Unwind unwind = {0};
|
|
{
|
|
pre_reg_gen = ctrl_reg_gen();
|
|
pre_mem_gen = ctrl_mem_gen();
|
|
unwind = ctrl_unwind_from_thread(arena, entity_ctx, thread_handle, os_now_microseconds()+5000);
|
|
if(unwind.flags == 0)
|
|
{
|
|
good = 1;
|
|
call_stack[0] = ctrl_call_stack_from_unwind(arena, process, &unwind);
|
|
}
|
|
post_reg_gen = ctrl_reg_gen();
|
|
post_mem_gen = ctrl_mem_gen();
|
|
}
|
|
if(pre_reg_gen != post_reg_gen || pre_mem_gen != post_mem_gen)
|
|
{
|
|
good = 0;
|
|
}
|
|
if(!good)
|
|
{
|
|
arena_release(arena);
|
|
}
|
|
}
|
|
|
|
//- rjf: broadcast update
|
|
if(good && ctrl_state->wakeup_hook != 0)
|
|
{
|
|
ctrl_state->wakeup_hook();
|
|
}
|
|
|
|
//- rjf: bundle call stack as artifact
|
|
if(good)
|
|
{
|
|
artifact.u64[0] = (U64)arena;
|
|
artifact.u64[1] = (U64)call_stack;
|
|
}
|
|
|
|
//- rjf: retry on bad
|
|
if(!good)
|
|
{
|
|
retry_out[0] = 1;
|
|
}
|
|
|
|
scratch_end(scratch);
|
|
}
|
|
return artifact;
|
|
}
|
|
|
|
internal void
|
|
ctrl_call_stack_artifact_destroy(AC_Artifact artifact)
|
|
{
|
|
Arena *arena = (Arena *)artifact.u64[0];
|
|
if(arena != 0)
|
|
{
|
|
arena_release(arena);
|
|
}
|
|
}
|
|
|
|
internal CTRL_CallStack
|
|
ctrl_call_stack_from_thread(Access *access, CTRL_Handle thread_handle, B32 high_priority, U64 endt_us)
|
|
{
|
|
CTRL_CallStack result = {0};
|
|
{
|
|
AC_Artifact artifact = ac_artifact_from_key(access, str8_struct(&thread_handle), ctrl_call_stack_artifact_create, ctrl_call_stack_artifact_destroy, endt_us,
|
|
.gen = ctrl_mem_gen() + ctrl_reg_gen(),
|
|
.evict_threshold_us = 10000000,
|
|
.flags = high_priority ? AC_Flag_HighPriority : 0);
|
|
if(artifact.u64[1] != 0)
|
|
{
|
|
MemoryCopyStruct(&result, (CTRL_CallStack *)artifact.u64[1]);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
////////////////////////////////
|
|
//~ rjf: Call Stack Tree Artifact Cache Hooks / Lookups
|
|
|
|
internal AC_Artifact
|
|
ctrl_call_stack_tree_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out)
|
|
{
|
|
Temp scratch = scratch_begin(0, 0);
|
|
Access *access = access_open();
|
|
|
|
//- rjf: gather list of all thread handles
|
|
U64 threads_count = 0;
|
|
CTRL_Handle *threads = 0;
|
|
CTRL_Handle *threads_processes = 0;
|
|
Arch *threads_arches = 0;
|
|
MutexScopeR(ctrl_state->ctrl_thread_entity_ctx_rw_mutex)
|
|
{
|
|
CTRL_EntityCtx *ctx = &ctrl_state->ctrl_thread_entity_store->ctx;
|
|
CTRL_EntityArray thread_entities = ctrl_entity_array_from_kind(ctx, CTRL_EntityKind_Thread);
|
|
threads_count = thread_entities.count;
|
|
threads = push_array(scratch.arena, CTRL_Handle, threads_count);
|
|
threads_processes = push_array(scratch.arena, CTRL_Handle, threads_count);
|
|
threads_arches = push_array(scratch.arena, Arch, threads_count);
|
|
for EachIndex(idx, threads_count)
|
|
{
|
|
threads[idx] = thread_entities.v[idx]->handle;
|
|
threads_processes[idx] = thread_entities.v[idx]->parent->handle;
|
|
threads_arches[idx] = thread_entities.v[idx]->arch;
|
|
}
|
|
}
|
|
|
|
//- rjf: gather all callstacks
|
|
B32 stale = 0;
|
|
U64 pre_mem_gen = ctrl_mem_gen();
|
|
U64 pre_reg_gen = ctrl_reg_gen();
|
|
CTRL_CallStack *call_stacks = push_array(scratch.arena, CTRL_CallStack, threads_count);
|
|
{
|
|
for EachIndex(idx, threads_count)
|
|
{
|
|
call_stacks[idx] = ctrl_call_stack_from_thread(access, threads[idx], 0, 0);
|
|
if(call_stacks[idx].concrete_frames_count == 0)
|
|
{
|
|
stale = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
U64 post_mem_gen = ctrl_mem_gen();
|
|
U64 post_reg_gen = ctrl_reg_gen();
|
|
stale = (stale || pre_mem_gen != post_mem_gen || pre_reg_gen != post_reg_gen);
|
|
|
|
//- rjf: build call stack tree
|
|
Arena *arena = 0;
|
|
CTRL_CallStackTree *tree = 0;
|
|
if(!stale)
|
|
{
|
|
U64 id_gen = 0;
|
|
arena = arena_alloc();
|
|
tree = push_array(arena, CTRL_CallStackTree, 1);
|
|
tree->root = push_array(arena, CTRL_CallStackTreeNode, 1);
|
|
MemoryCopyStruct(tree->root, &ctrl_call_stack_tree_node_nil);
|
|
tree->root->id = id_gen;
|
|
tree->slots_count = Max(1, threads_count);
|
|
tree->slots = push_array(arena, CTRL_CallStackTreeNode *, tree->slots_count);
|
|
id_gen += 1;
|
|
for EachIndex(thread_idx, threads_count)
|
|
{
|
|
CTRL_Handle thread = threads[thread_idx];
|
|
CTRL_Handle process = threads_processes[thread_idx];
|
|
Arch arch = threads_arches[thread_idx];
|
|
CTRL_CallStack call_stack = call_stacks[thread_idx];
|
|
CTRL_CallStackTreeNode *thread_node = tree->root;
|
|
for EachIndex(frame_idx, call_stack.frames_count)
|
|
{
|
|
U64 vaddr = regs_rip_from_arch_block(arch, call_stack.frames[frame_idx].regs);
|
|
U64 depth = call_stack.frames[frame_idx].inline_depth;
|
|
CTRL_CallStackTreeNode *next_node = &ctrl_call_stack_tree_node_nil;
|
|
for(CTRL_CallStackTreeNode *child = thread_node->first; child != &ctrl_call_stack_tree_node_nil; child = child->next)
|
|
{
|
|
if(ctrl_handle_match(child->process, process) && child->vaddr == vaddr && child->depth == depth)
|
|
{
|
|
next_node = child;
|
|
break;
|
|
}
|
|
}
|
|
if(next_node == &ctrl_call_stack_tree_node_nil)
|
|
{
|
|
next_node = push_array(arena, CTRL_CallStackTreeNode, 1);
|
|
MemoryCopyStruct(next_node, &ctrl_call_stack_tree_node_nil);
|
|
next_node->id = id_gen;
|
|
SLLStackPush_N(tree->slots[next_node->id%tree->slots_count], next_node, hash_next);
|
|
id_gen += 1;
|
|
SLLQueuePush_NZ(&ctrl_call_stack_tree_node_nil, thread_node->first, thread_node->last, next_node, next);
|
|
next_node->parent = thread_node;
|
|
thread_node->child_count += 1;
|
|
}
|
|
thread_node = next_node;
|
|
}
|
|
ctrl_handle_list_push(arena, &thread_node->threads, &thread);
|
|
for(CTRL_CallStackTreeNode *n = thread_node; n != &ctrl_call_stack_tree_node_nil; n = n->parent)
|
|
{
|
|
n->all_descendant_threads_count += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
//- rjf: produce artifact
|
|
AC_Artifact artifact = {0};
|
|
{
|
|
artifact.u64[0] = (U64)arena;
|
|
artifact.u64[1] = (U64)tree;
|
|
}
|
|
|
|
//- rjf: retry on stale
|
|
if(stale)
|
|
{
|
|
retry_out[0] = 1;
|
|
}
|
|
|
|
access_close(access);
|
|
scratch_end(scratch);
|
|
return artifact;
|
|
}
|
|
|
|
internal void
|
|
ctrl_call_stack_tree_artifact_destroy(AC_Artifact artifact)
|
|
{
|
|
Arena *arena = (Arena *)artifact.u64[0];
|
|
if(arena != 0)
|
|
{
|
|
arena_release(arena);
|
|
}
|
|
}
|
|
|
|
internal CTRL_CallStackTree
|
|
ctrl_call_stack_tree(Access *access, U64 endt_us)
|
|
{
|
|
CTRL_CallStackTree result = {&ctrl_call_stack_tree_node_nil};
|
|
{
|
|
AC_Artifact artifact = ac_artifact_from_key(access, str8_zero(), ctrl_call_stack_tree_artifact_create, ctrl_call_stack_tree_artifact_destroy, endt_us);
|
|
if(artifact.u64[1] != 0)
|
|
{
|
|
MemoryCopyStruct(&result, (CTRL_CallStackTree *)artifact.u64[1]);
|
|
}
|
|
}
|
|
return result;
|
|
}
|