Fix missing _mcount@GLIBC_2.0 on powerpc32

This commit is contained in:
Andreas Schwab 2012-05-01 17:10:10 +02:00
parent 9ad63c23ea
commit 261f485936
4 changed files with 27 additions and 2 deletions

View File

@ -1,3 +1,12 @@
2012-07-06 Andreas Schwab <schwab@linux-m68k.org>
[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.
2012-07-06 Joseph Myers <joseph@codesourcery.com>
[BZ #14154]

View File

@ -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)

View File

@ -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

View File

@ -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)