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| author | Thomas Schwinge <thomas@codesourcery.com> | 2012-06-23 12:11:13 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2012-06-23 12:11:13 +0200 |
| commit | 58f902b8d8cd47e8f4f2fcd64721a6289400422e (patch) | |
| tree | 277378f362df2bfad4fd4b8758136a69bb05b267 /sysdeps/unix/sysv/linux/sh/sysdep.h | |
| parent | 1518f58b6120289e69aeba9426eca9234cd9a200 (diff) | |
| download | glibc-58f902b8d8cd47e8f4f2fcd64721a6289400422e.tar.gz glibc-58f902b8d8cd47e8f4f2fcd64721a6289400422e.tar.xz glibc-58f902b8d8cd47e8f4f2fcd64721a6289400422e.zip | |
SH: Preserve more registers for frame unwinding purposes, add CFI directives.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/sysdep.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h index 5215a845d9..ce72c66a77 100644 --- a/sysdeps/unix/sysv/linux/sh/sysdep.h +++ b/sysdeps/unix/sysv/linux/sh/sysdep.h @@ -1,5 +1,4 @@ -/* Copyright (C) 1992,1993,1995-2000,2002-2006,2009,2011 - Free Software Foundation, Inc. +/* Copyright (C) 1992-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995. Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>. @@ -100,11 +99,15 @@ # if RTLD_PRIVATE_ERRNO # define SYSCALL_ERROR_HANDLER \ neg r0,r1; \ + mov r12,r2; \ + cfi_register (r12, r2); \ mov.l 0f,r12; \ mova 0f,r0; \ add r0,r12; \ mov.l 1f,r0; \ mov.l r1,@(r0,r12); \ + mov r2,r12; \ + cfi_restore (r12); \ bra .Lpseudo_end; \ mov _IMM1,r0; \ .align 2; \ @@ -121,6 +124,7 @@ # define SYSCALL_ERROR_HANDLER \ neg r0,r1; \ mov r12,r2; \ + cfi_register (r12, r2); \ mov.l 0f,r12; \ mova 0f,r0; \ add r0,r12; \ @@ -128,6 +132,7 @@ stc gbr, r4; \ mov.l @(r0,r12),r0; \ mov r2,r12; \ + cfi_restore (r12); \ add r4,r0; \ mov.l r1,@r0; \ bra .Lpseudo_end; \ @@ -140,12 +145,14 @@ # define SYSCALL_ERROR_HANDLER \ neg r0,r1; \ mov r12,r2; \ + cfi_register (r12, r2); \ mov.l 0f,r12; \ mova 0f,r0; \ add r0,r12; \ mov.l 1f,r0; \ mov.l @(r0,r12),r0; \ mov r2,r12; \ + cfi_restore (r12); \ mov.l r1,@r0; \ bra .Lpseudo_end; \ mov _IMM1,r0; \ |