ed/raddebugger
1
0
Fork 0
mirror of https://github.com/Ed94/raddebugger.git synced 2026-08-14 17:28:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

runtime target OS handling

Browse Source
This commit is contained in:
Nikita Smith
2025-11-27 11:17:47 -08:00
parent 7f701dd806
commit 1602a9e6ea
2 changed files with 64 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ctrl/ctrl_core.c
+61 -46
View File
@@ -630,6 +630,7 @@ ctrl_serialized_string_from_event(Arena *arena, CTRL_Event *event, U64 max)
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);
str8_serial_push_struct(scratch.arena, &srl, &event->target_os);
str8_serial_push_struct(scratch.arena, &srl, &event->tls_model);
str8_serial_push_struct(scratch.arena, &srl, &event->tls_index);
str8_serial_push_struct(scratch.arena, &srl, &event->tls_offset);
@@ -666,6 +667,7 @@ ctrl_event_from_serialized_string(Arena *arena, String8 string)
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.target_os);
read_off += str8_deserial_read_struct(string, read_off, &event.tls_model);
read_off += str8_deserial_read_struct(string, read_off, &event.tls_index);
read_off += str8_deserial_read_struct(string, read_off, &event.tls_offset);
@@ -1270,6 +1272,7 @@ ctrl_entity_store_apply_events(CTRL_EntityCtxRWStore *store, CTRL_EventList *lis
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);
process->tls_model = event->tls_model;
process->target_os = event->target_os;
}break;
case CTRL_EventKind_EndProc:
{
@@ -2129,7 +2132,7 @@ ctrl_establish_frame_unwind_context__dwarf(Arena *arena, CTRL_Handle process_han
}
internal CTRL_UnwindStepResult
ctrl_unwind_step__dwarf(CTRL_Handle process_handle, CTRL_Handle module_handle, Arch arch, void *regs, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us)
ctrl_unwind_step__dwarf(CTRL_Handle process_handle, Arch arch, void *regs, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us)
{
Temp scratch = scratch_begin(0, 0);
@@ -3032,47 +3035,6 @@ ctrl_unwind_step__pe_x64(CTRL_Handle process_handle, CTRL_Handle module_handle,
return result;
}
//- rjf: abstracted unwind step
internal CTRL_UnwindStepResult
ctrl_establish_frame_unwind_context(Arena *arena, CTRL_Handle process_handle, CTRL_Handle module_handle, Arch arch, void *regs, U64 endt_us, CTRL_FrameUnwindContext *ctx_out)
{
CTRL_UnwindStepResult result = {0};
#if OS_LINUX
result = ctrl_establish_frame_unwind_context__dwarf(arena, process_handle, module_handle, arch, regs, endt_us, ctx_out);
#elif OS_WINDOWS
// windows does not have a concept of frame context
#else
# error "unwinder is not defined for current OS"
#endif
return result;
}
internal CTRL_UnwindStepResult
ctrl_unwind_step(CTRL_Handle process, CTRL_Handle module, U64 module_base_vaddr, Arch arch, void *reg_block, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us)
{
CTRL_UnwindStepResult result = {0};
#if OS_LINUX
result = ctrl_unwind_step__dwarf(process, module, arch, reg_block, frame_ctx, endt_us);
#elif OS_WINDOWS
switch(arch)
{
case Arch_Null:{}break;
case Arch_x64:{result = ctrl_unwind_step__pe_x64(process, module, module_base_vaddr, reg_block, endt_us);}break;
case Arch_x86:
case Arch_arm32:
case Arch_arm64:
{
NotImplemented;
}break;
default:{InvalidPath;}break;
}
#else
# error "unwinder is not defined for current OS"
#endif
return result;
}
//- rjf: abstracted full unwind
internal CTRL_Unwind
@@ -3110,11 +3072,28 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U
}
// rip -> module
CTRL_Entity *module = ctrl_module_from_process_vaddr(process_entity, rip);
CTRL_Entity *module_entity = ctrl_module_from_process_vaddr(process_entity, rip);
// establish frame context
CTRL_FrameUnwindContext frame_ctx = {0};
CTRL_UnwindStepResult frame_ctx_result = ctrl_establish_frame_unwind_context(scratch.arena, process_entity->handle, module->handle, arch, regs_block, endt_us, &frame_ctx);
CTRL_UnwindStepResult frame_ctx_result = {0};
switch(process_entity->target_os)
{
case OperatingSystem_Null:{}break;
case OperatingSystem_Windows:
{
// no concept of frame unwind context
}break;
case OperatingSystem_Linux:
{
frame_ctx_result = ctrl_establish_frame_unwind_context__dwarf(arena, process_entity->handle, module_entity->handle, arch, regs_block, endt_us, &frame_ctx);
}break;
case OperatingSystem_Mac:
{
NotImplemented;
}break;
default: { InvalidPath; }break;
}
unwind.flags |= frame_ctx_result.flags;
if(unwind.flags & (CTRL_UnwindFlag_Stale|CTRL_UnwindFlag_Error))
{
@@ -3131,10 +3110,41 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U
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, &frame_ctx, endt_us);
unwind.flags |= step.flags;
CTRL_UnwindStepResult step_result = {0};
switch(process_entity->target_os)
{
case OperatingSystem_Null:{}break;
case OperatingSystem_Windows:
{
switch(arch)
{
case Arch_Null:{}break;
case Arch_x64:
{
step_result = ctrl_unwind_step__pe_x64(process_entity->handle, module_entity->handle, module_entity->vaddr_range.min, regs_block, endt_us);
}break;
case Arch_x86:
case Arch_arm32:
case Arch_arm64:
{
NotImplemented;
}break;
default: { InvalidPath; } break;
}
}break;
case OperatingSystem_Linux:
{
step_result = ctrl_unwind_step__dwarf(process_entity->handle, arch, regs_block, &frame_ctx, endt_us);
}break;
case OperatingSystem_Mac:
{
NotImplemented;
}break;
default: { InvalidPath; }break;
}
// stop unwinding on errors or stale data
unwind.flags |= step_result.flags;
if(unwind.flags & (CTRL_UnwindFlag_Stale|CTRL_UnwindFlag_Error) ||
(regs_rsp_from_arch_block(arch, regs_block) == rsp && regs_rip_from_arch_block(arch, regs_block) == rip))
{
@@ -4524,6 +4534,7 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
out_evt->arch = event->arch;
out_evt->entity_id = event->code;
out_evt->tls_model = ctrl_dynamic_linker_type_from_dmn(event->tls_model);
out_evt->target_os = OperatingSystem_CURRENT; // TODO: operating system of the remote target machine
ctrl_state->process_counter += 1;
}break;
case DMN_EventKind_CreateThread:
@@ -6945,6 +6956,10 @@ ctrl_call_stack_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out,
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);
dst_e->tls_index = src_e->tls_index;
dst_e->tls_offset = src_e->tls_offset;
dst_e->target_os = src_e->target_os;
dst_e->tls_model = src_e->tls_model;
}
if(dst_parent == &ctrl_entity_nil)
{
src/ctrl/ctrl_core.h
+3 -4
View File
@@ -133,6 +133,7 @@ struct CTRL_Entity
CTRL_TlsModel tls_model;
U64 tls_index;
U64 tls_offset;
OperatingSystem target_os;
};
typedef struct CTRL_EntityNode CTRL_EntityNode;
@@ -544,6 +545,7 @@ struct CTRL_Event
U32 rgba;
CTRL_UserBreakpointFlags bp_flags;
String8 string;
OperatingSystem target_os;
CTRL_TlsModel tls_model;
};
@@ -960,15 +962,12 @@ internal CTRL_Unwind ctrl_unwind_deep_copy(Arena *arena, Arch arch, CTRL_Unwind
//- DWARF
internal CTRL_UnwindStepResult ctrl_establish_frame_unwind_context__dwarf(Arena *arena, CTRL_Handle process_handle, CTRL_Handle module_handle, Arch arch, void *regs, U64 endt_us, CTRL_FrameUnwindContext *ctx_out);
internal CTRL_UnwindStepResult ctrl_unwind_step__dwarf(CTRL_Handle process_handle, CTRL_Handle module_handle, Arch arch, void *regs, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us);
internal CTRL_UnwindStepResult ctrl_unwind_step__dwarf(CTRL_Handle process_handle, Arch arch, void *regs, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us);
//- rjf: [x64]
internal REGS_Reg64 *ctrl_unwind_reg_from_pe_gpr_reg__pe_x64(REGS_RegBlockX64 *regs, PE_UnwindGprRegX64 gpr_reg);
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);
//- 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, CTRL_FrameUnwindContext *frame_ctx, U64 endt_us);
//- rjf: abstracted full unwind
internal CTRL_Unwind ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U64 endt_us);