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glibc/glibc-2.16-ppc32-mcount.patch

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Accepting request 131848 from home:a_jaeger:devel-glibc Update to latest 2.16 git head OBS-URL: https://build.opensuse.org/request/show/131848 OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=208
2012-08-28 14:25:24 +02:00
From schwab@linux-m68k.org Wed, 02 May 2012 17:13:26 +0200
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From: Andreas Schwab <schwab@linux-m68k.org>
To: Alan Modra <amodra@gmail.com>
Cc: libc-alpha@sourceware.org
Subject: [PATCH v2] Fix missing _mcount@GLIBC_2.0 on powerpc32
References: <m24nryrjy1.fsf@igel.home>
<20120502113123.GC635@bubble.grove.modra.org>
X-Yow: I want to read my new poem about pork brains and outer space...
Date: Wed, 02 May 2012 17:13:26 +0200
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[BZ #14042]
* sysdeps/powerpc/powerpc32/ppc-mcount.S [SHARED]: Don't use PLT
for call to __mcount_internal.
* sysdeps/powerpc/powerpc32/Makefile (sysdep_routines)
(shared-only-routines) [$(subdir) = gmon]: Add compat-ppc-mcount.
* sysdeps/powerpc/powerpc32/compat-ppc-mcount.S: New file.
---
sysdeps/powerpc/powerpc32/Makefile | 3 ++-
sysdeps/powerpc/powerpc32/compat-ppc-mcount.S | 11 +++++++++++
sysdeps/powerpc/powerpc32/ppc-mcount.S | 6 +++++-
3 files changed, 18 insertions(+), 2 deletions(-)
create mode 100644 sysdeps/powerpc/powerpc32/compat-ppc-mcount.S
diff --git a/sysdeps/powerpc/powerpc32/Makefile b/sysdeps/powerpc/powerpc32/Makefile
index aa2d0b9..64f7900 100644
--- a/sysdeps/powerpc/powerpc32/Makefile
+++ b/sysdeps/powerpc/powerpc32/Makefile
@@ -6,8 +6,9 @@ sysdep-LDFLAGS += -msoft-float
endif
ifeq ($(subdir),gmon)
-sysdep_routines += ppc-mcount
+sysdep_routines += ppc-mcount compat-ppc-mcount
static-only-routines += ppc-mcount
+shared-only-routines += compat-ppc-mcount
endif
ifeq ($(subdir),misc)
diff --git a/sysdeps/powerpc/powerpc32/compat-ppc-mcount.S b/sysdeps/powerpc/powerpc32/compat-ppc-mcount.S
new file mode 100644
index 0000000..2a9cb24
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/compat-ppc-mcount.S
@@ -0,0 +1,11 @@
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_15)
+
+ compat_text_section
+# define _mcount __compat_mcount
+# include "ppc-mcount.S"
+# undef _mcount
+
+compat_symbol (libc, __compat_mcount, _mcount, GLIBC_2_0)
+#endif
diff --git a/sysdeps/powerpc/powerpc32/ppc-mcount.S b/sysdeps/powerpc/powerpc32/ppc-mcount.S
index 9a3c041..911638b 100644
--- a/sysdeps/powerpc/powerpc32/ppc-mcount.S
+++ b/sysdeps/powerpc/powerpc32/ppc-mcount.S
@@ -1,5 +1,5 @@
/* PowerPC-specific implementation of profiling support.
- Copyright (C) 1997, 1999, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -57,7 +57,11 @@ ENTRY(_mcount)
stw r4, 44(r1)
cfi_offset (lr, -4)
stw r5, 8(r1)
+#ifndef SHARED
bl JUMPTARGET(__mcount_internal)
+#else
+ bl __mcount_internal@local
+#endif
/* Restore the registers... */
lwz r6, 8(r1)
lwz r0, 44(r1)
--
1.7.10.1
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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