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GNU C Library master sources branch, master, updated. glibc-2.12-152-g7291c56
- From: drepper at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 15 Sep 2010 14:38:36 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.12-152-g7291c56
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=7291c56f9d6f5861d1c001bc63a364f047a74738
commit 7291c56f9d6f5861d1c001bc63a364f047a74738
Author: Andreas Schwab <schwab@redhat.com>
Date: Wed Sep 15 07:38:19 2010 -0700
Fix register conflict in s390 ____longjmp_chk
diff --git a/ChangeLog b/ChangeLog
index 269bede..459cb66 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-09-14 Andreas Schwab <schwab@redhat.com>
+
+ * sysdeps/s390/s390-32/__longjmp.c (__longjmp): Define register
+ variables after CHECK_SP call.
+ * sysdeps/s390/s390-64/__longjmp.c (__longjmp): Likewise.
+
2010-09-13 Andreas Schwab <schwab@redhat.com>
Ulrich Drepper <drepper@redhat.com>
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
index 4abc0ec..95f8b71 100644
--- a/sysdeps/s390/s390-32/__longjmp.c
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2005, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2001, 2005, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
@@ -29,16 +29,19 @@
void
__longjmp (__jmp_buf env, int val)
{
- register int r2 __asm ("%r2") = val == 0 ? 1 : val;
#ifdef PTR_DEMANGLE
- register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
- register void *r1 __asm ("%r1") = (void *) env;
+ uintptr_t guard = THREAD_GET_POINTER_GUARD ();
# ifdef CHECK_SP
- CHECK_SP (env, r3);
+ CHECK_SP (env, guard);
# endif
#elif defined CHECK_SP
CHECK_SP (env, 0);
#endif
+ register int r2 __asm ("%r2") = val == 0 ? 1 : val;
+#ifdef PTR_DEMANGLE
+ register uintptr_t r3 __asm ("%r3") = guard;
+ register void *r1 __asm ("%r1") = (void *) env;
+#endif
/* Restore registers and jump back. */
asm volatile ("ld %%f6,48(%1)\n\t"
"ld %%f4,40(%1)\n\t"
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c
index 445bd3b..313b338 100644
--- a/sysdeps/s390/s390-64/__longjmp.c
+++ b/sysdeps/s390/s390-64/__longjmp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2005, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2005, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
@@ -29,16 +29,19 @@
void
__longjmp (__jmp_buf env, int val)
{
- register long int r2 __asm ("%r2") = val == 0 ? 1 : val;
#ifdef PTR_DEMANGLE
- register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD ();
- register void *r1 __asm ("%r1") = (void *) env;
+ uintptr_t guard = THREAD_GET_POINTER_GUARD ();
# ifdef CHECK_SP
- CHECK_SP (env, r3);
+ CHECK_SP (env, guard);
# endif
#elif defined CHECK_SP
CHECK_SP (env, 0);
#endif
+ register long int r2 __asm ("%r2") = val == 0 ? 1 : val;
+#ifdef PTR_DEMANGLE
+ register uintptr_t r3 __asm ("%r3") = guard;
+ register void *r1 __asm ("%r1") = (void *) env;
+#endif
/* Restore registers and jump back. */
asm volatile ("ld %%f7,104(%1)\n\t"
"ld %%f5,96(%1)\n\t"
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
sysdeps/s390/s390-32/__longjmp.c | 13 ++++++++-----
sysdeps/s390/s390-64/__longjmp.c | 13 ++++++++-----
3 files changed, 22 insertions(+), 10 deletions(-)
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