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treat errored call stacks as valid call stack results - only reject on stale data. allow 0 rips for the top frames.

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This commit is contained in:
Ryan Fleury
2026-04-01 11:06:23 -06:00
parent d986ea6cd9
commit 8d67460fa6
1 changed files with 5 additions and 17 deletions
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src/ctrl/ctrl_core.c
+5 -17
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@@ -3026,8 +3026,8 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U
U64 rip = regs_rip_from_arch_block(arch, regs_block);
U64 rsp = regs_rsp_from_arch_block(arch, regs_block);
// rjf: cancel on 0 rip
if(rip == 0)
// rjf: cancel on zero rip (except the top frame)
if(rip == 0 && frame_node_count > 0)
{
break;
}
@@ -3074,34 +3074,22 @@ ctrl_unwind_from_thread(Arena *arena, CTRL_EntityCtx *ctx, CTRL_Handle thread, U
CTRL_UnwindStepResult step_result = {0};
switch(process_entity->target_os)
{
case OperatingSystem_Null:{}break;
default:{}break;
case OperatingSystem_Windows:
{
switch(arch)
{
case Arch_Null:{}break;
default:{}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
@@ -6983,7 +6971,7 @@ ctrl_call_stack_artifact_create(String8 key, B32 *cancel_signal, B32 *retry_out,
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)
if(!(unwind.flags & CTRL_UnwindFlag_Stale))
{
good = 1;
call_stack[0] = ctrl_call_stack_from_unwind(arena, process, &unwind);