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use lower level unwinding path with more generous time allowance, rather than passive cache query, for step-out

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This commit is contained in:
Ryan Fleury
2024-05-26 14:35:57 -07:00
parent 15f5894c60
commit d04ee598b2
1 changed files with 3 additions and 3 deletions
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src/df/core/df_core.c
+3 -3
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@@ -6214,7 +6214,7 @@ df_query_cached_unwind_from_thread(DF_Entity *thread)
if(node->reggen != reg_gen ||
node->memgen != mem_gen)
{
CTRL_Unwind new_unwind = ctrl_unwind_from_thread(scratch.arena, df_state->ctrl_entity_store, thread->ctrl_machine_id, thread->ctrl_handle, os_now_microseconds()+100);
CTRL_Unwind new_unwind = ctrl_unwind_from_thread(scratch.arena, df_state->ctrl_entity_store, thread->ctrl_machine_id, thread->ctrl_handle, os_now_microseconds()+1000);
if(!(new_unwind.flags & (CTRL_UnwindFlag_Error|CTRL_UnwindFlag_Stale)) && new_unwind.frames.count != 0)
{
node->unwind = ctrl_unwind_deep_copy(node->arena, thread->arch, &new_unwind);
@@ -7395,10 +7395,10 @@ df_core_begin_frame(Arena *arena, DF_CmdList *cmds, F32 dt)
case DF_CoreCmdKind_StepOut:
{
// rjf: thread => full unwind
CTRL_Unwind unwind = df_query_cached_unwind_from_thread(thread);
CTRL_Unwind unwind = ctrl_unwind_from_thread(scratch.arena, df_state->ctrl_entity_store, thread->ctrl_machine_id, thread->ctrl_handle, os_now_microseconds()+10000);
// rjf: use first unwind frame to generate trap
if(unwind.frames.count > 1)
if(unwind.flags == 0 && unwind.frames.count > 1)
{
U64 vaddr = regs_rip_from_arch_block(thread->arch, unwind.frames.v[1].regs);
CTRL_Trap trap = {CTRL_TrapFlag_EndStepping|CTRL_TrapFlag_IgnoreStackPointerCheck, vaddr};