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fill out first pass implementations of raddbg_markup features; thread names, thread colors, format-string output-debug-string helper, attachment-checking

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This commit is contained in:
Ryan Fleury
2025-03-28 10:56:41 -07:00
parent 4cc883a353
commit 3911a66b30
10 changed files with 137 additions and 31 deletions
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src/ctrl/ctrl_core.c
+34 -5
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@@ -606,8 +606,8 @@ ctrl_event_from_serialized_string(Arena *arena, String8 string)
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.exception_code);
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);
@@ -3603,6 +3603,7 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
Guid rdi_dbg_guid = {0};
String8 rdi_dbg_path = str8_zero();
String8 raddbg_data = str8_zero();
Rng1U64 raddbg_section_voff_range = r1u64(0, 0);
ProfScope("unpack relevant PE info")
{
B32 is_valid = 1;
@@ -3804,7 +3805,6 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
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);
Rng1U64 raddbg_section_voff_range = r1u64(0, 0);
for EachIndex(idx, sec_count)
{
String8 section_name = str8_cstring(sec[idx].name);
@@ -3820,6 +3820,13 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
vaddr_range.min + raddbg_section_voff_range.max), raddbg_data.str);
scratch_end(scratch);
}
// rjf: if we have a raddbg section, mark the first byte as 1, to signify attachment
if(raddbg_section_voff_range.max != raddbg_section_voff_range.min)
{
U8 new_value = 1;
dmn_process_write_struct(process.dmn_handle, vaddr_range.min + raddbg_section_voff_range.min, &new_value);
}
}
}
@@ -3898,6 +3905,7 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
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;
}
}
@@ -3905,11 +3913,12 @@ ctrl_thread__module_open(CTRL_Handle process, CTRL_Handle module, Rng1U64 vaddr_
}
internal void
ctrl_thread__module_close(CTRL_Handle module)
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;
@@ -3929,11 +3938,21 @@ ctrl_thread__module_close(CTRL_Handle module)
}
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
@@ -4265,13 +4284,14 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
{
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(ctrl_state->ctrl_thread_entity_store, module_handle);
CTRL_Entity *process_ent = ctrl_process_from_entity(module_ent);
String8 module_path = event->string;
ctrl_thread__module_close(module_handle);
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;
CTRL_Entity *module_ent = ctrl_entity_from_handle(ctrl_state->ctrl_thread_entity_store, module_handle);
CTRL_Entity *debug_info_path_ent = ctrl_entity_child_from_kind(module_ent, CTRL_EntityKind_DebugInfoPath);
if(debug_info_path_ent != &ctrl_entity_nil)
{
@@ -4302,6 +4322,15 @@ ctrl_thread__next_dmn_event(Arena *arena, DMN_CtrlCtx *ctrl_ctx, CTRL_Msg *msg,
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->rgba = event->code;
}break;
}
ctrl_c2u_push_events(&evts);