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fix incorrect marking of non-stale results by artifact cache lookup; fix view addr parameterizations when a register value is used

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This commit is contained in:
Ryan Fleury
2026-06-09 11:24:54 -07:00
parent 0f02c32c89
commit 27e1e36f5c
3 changed files with 18 additions and 10 deletions
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src/dbg_engine/dbg_engine_ctrl.c
+11 -8
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@@ -1857,7 +1857,7 @@ d_unwind_from_thread(Arena *arena, D_Handle thread, U64 endt_us)
//- rjf: do one unwind step
B32 step_is_good = 0;
for(;!unwind.flags;)
for(;!unwind.flags && !step_is_good;)
{
// rjf: remember registers pre-step
MemoryCopy(regs_block_restore, regs_block, arch_reg_block_size);
@@ -1905,14 +1905,18 @@ d_unwind_from_thread(Arena *arena, D_Handle thread, U64 endt_us)
{
last_frame_node->v.cfa = cfa;
step_is_good = 1;
break;
}
}
//- 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 ||
arch_sp_from_reg_block(arch_info, regs_block) != start_sp))
//- rjf: push successful steps to frame list - we disqualify steps that are:
//
// (a) bad
// (b) advance ip to 0
// (c) do not modify either ip *or* sp (just one is fine)
//
B32 step_made_process = (arch_ip_from_reg_block(arch_info, regs_block) != start_ip ||
arch_sp_from_reg_block(arch_info, regs_block) != start_sp);
if(step_is_good && step_made_process && arch_ip_from_reg_block(arch_info, regs_block) != 0)
{
D_UnwindFrameNode *frame_node = push_array(scratch.arena, D_UnwindFrameNode, 1);
D_UnwindFrame *f = &frame_node->v;
@@ -1926,8 +1930,7 @@ 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 &&
arch_sp_from_reg_block(arch_info, regs_block) == start_sp)
if(!step_made_process)
{
break;
}