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[DBGHELP][AMD64] Return the last valid frame at end of stack in StackWalk64

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This commit is contained in:
Ahmed ARIF
2026-03-15 00:20:07 +01:00
committed by Mark Jansen
parent b205c04173
commit 7509b428bf
1 changed files with 14 additions and 3 deletions
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17
dll/win32/dbghelp/cpu_x86_64.c
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@@ -663,9 +663,20 @@ static BOOL x86_64_stack_walk(struct cpu_stack_walk *csw, STACKFRAME64 *frame,
union ctx newctx = *context;
if (!fetch_next_frame(csw, &newctx, frame->AddrPC.Offset - deltapc, NULL))
goto done_err;
frame->AddrReturn.Mode = AddrModeFlat;
frame->AddrReturn.Offset = newctx.ctx.Rip;
{
/*
* The current frame is valid, but there is no parent frame to
* report (end-of-stack). Return this frame and terminate the walk
* on the next call, which matches Windows-observed behavior.
*/
frame->AddrReturn.Mode = AddrModeFlat;
frame->AddrReturn.Offset = 0;
}
else
{
frame->AddrReturn.Mode = AddrModeFlat;
frame->AddrReturn.Offset = newctx.ctx.Rip;
}
}
frame->Far = TRUE;