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fix incorrect commits in new pe/x64 unwinder; fix bad unwind termination conditions

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This commit is contained in:
Ryan Fleury
2026-06-09 10:38:08 -07:00
parent 9955c8c1a7
commit ec4fd23e15
3 changed files with 18 additions and 9 deletions
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src/dbg_engine/dbg_engine_ctrl.c
+4 -2
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@@ -1900,7 +1900,9 @@ d_unwind_from_thread(Arena *arena, D_Handle thread, U64 endt_us)
}
//- rjf: push successful steps to frame list
if(step_is_good && arch_ip_from_reg_block(arch_info, regs_block) != 0 && arch_ip_from_reg_block(arch_info, regs_block) != start_ip)
if(step_is_good && arch_ip_from_reg_block(arch_info, regs_block) != 0 &&
(arch_ip_from_reg_block(arch_info, regs_block) != start_ip ||
arch_sp_from_reg_block(arch_info, regs_block) != start_sp))
{
D_UnwindFrameNode *frame_node = push_array(scratch.arena, D_UnwindFrameNode, 1);
D_UnwindFrame *f = &frame_node->v;
@@ -1914,7 +1916,7 @@ d_unwind_from_thread(Arena *arena, D_Handle thread, U64 endt_us)
access_close(access);
//- rjf: exit if we made no progress on the unwind
if(arch_ip_from_reg_block(arch_info, regs_block) == start_ip ||
if(arch_ip_from_reg_block(arch_info, regs_block) == start_ip &&
arch_sp_from_reg_block(arch_info, regs_block) == start_sp)
{
break;