Alistair Leslie-Hughes : dbghelp: Support UWOP_EPILOG in unwind.
Alexandre Julliard
julliard at winehq.org
Thu Oct 14 15:09:34 CDT 2021
Module: wine
Branch: master
Commit: 40f0119739d36b03f4df5d525d098ec032f1a37b
URL: https://source.winehq.org/git/wine.git/?a=commit;h=40f0119739d36b03f4df5d525d098ec032f1a37b
Author: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Date: Thu Oct 14 19:45:56 2021 +1100
dbghelp: Support UWOP_EPILOG in unwind.
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/dbghelp/cpu_x86_64.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/dlls/dbghelp/cpu_x86_64.c b/dlls/dbghelp/cpu_x86_64.c
index 8e8ac85dd2f..4fd8d76e010 100644
--- a/dlls/dbghelp/cpu_x86_64.c
+++ b/dlls/dbghelp/cpu_x86_64.c
@@ -209,6 +209,19 @@ static void dump_unwind_info(struct cpu_stack_walk* csw, ULONG64 base, RUNTIME_F
case UWOP_PUSH_MACHFRAME:
TRACE("PUSH_MACHFRAME %u\n", info->UnwindCode[i].u.OpInfo);
break;
+ case UWOP_EPILOG:
+ if (info->Version == 2)
+ {
+ unsigned int offset;
+ if (info->UnwindCode[i].u.OpInfo)
+ offset = info->UnwindCode[i].u.CodeOffset;
+ else
+ offset = (info->UnwindCode[i+1].u.OpInfo << 8) + info->UnwindCode[i+1].u.CodeOffset;
+ TRACE("UWOP_EPILOG %u offset %u\n", info->UnwindCode[i].u.OpInfo, offset);
+ i += 1;
+ break;
+ }
+ /* Fall through */
default:
FIXME("unknown code %u\n", info->UnwindCode[i].u.UnwindOp);
break;
@@ -490,7 +503,7 @@ static BOOL interpret_function_table_entry(struct cpu_stack_walk* csw,
return FALSE;
}
- if (info->Version != 1)
+ if (info->Version != 1 && info->Version != 2)
{
WARN("unknown unwind info version %u at %lx\n", info->Version, base + function->UnwindData);
return FALSE;
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