Module Name: src
Committed By: kamil
Date: Mon Oct 19 11:31:02 UTC 2020
Modified Files:
src/lib/libc/arch/i386/sys: __sigtramp2.S
Log Message:
Restore ESP from mcontext
Improves unwinding of multiple frames without base pointer.
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/lib/libc/arch/i386/sys/__sigtramp2.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/arch/i386/sys/__sigtramp2.S
diff -u src/lib/libc/arch/i386/sys/__sigtramp2.S:1.6 src/lib/libc/arch/i386/sys/__sigtramp2.S:1.7
--- src/lib/libc/arch/i386/sys/__sigtramp2.S:1.6 Mon Oct 12 23:56:08 2020
+++ src/lib/libc/arch/i386/sys/__sigtramp2.S Mon Oct 19 11:31:01 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: __sigtramp2.S,v 1.6 2020/10/12 23:56:08 kamil Exp $ */
+/* $NetBSD: __sigtramp2.S,v 1.7 2020/10/19 11:31:01 kamil Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -57,7 +57,7 @@
.cfi_offset ecx, UC_GREGS_ECX
.cfi_offset edx, UC_GREGS_EDX
.cfi_offset ebx, UC_GREGS_EBX
- /* The unwinder will use the CFA to restore ESP. */
+ .cfi_offset esp, UC_GREGS_ESP
.cfi_offset ebp, UC_GREGS_EBP
.cfi_offset esi, UC_GREGS_ESI
.cfi_offset edi, UC_GREGS_EDI
