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2009-02-25 Carlos O'Donell <carlos@codesourcery.com>

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* sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c:
	Update from nptl/sysdeps/pthread/unwind-forcedunwind.c
	* sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c:
	Update from nptl/sysdeps/pthread/unwind-resume.c
This commit is contained in:
Carlos O'Donell 2009-02-26 21:29:22 +00:00
parent cdc618aab4
commit 8ff04e6454
3 changed files with 44 additions and 25 deletions
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7
ChangeLog.hppa
View File

@ -1,3 +1,10 @@
2009-02-25 Carlos O'Donell <carlos@codesourcery.com>
* sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c:
Update from nptl/sysdeps/pthread/unwind-forcedunwind.c
* sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c:
Update from nptl/sysdeps/pthread/unwind-resume.c
2009-02-25 Carlos O'Donell <carlos@codesourcery.com>
* sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h: Define

52
sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c
View File

@ -1,5 +1,6 @@
/* Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
@ -20,8 +21,7 @@
#include <stdio.h>
#include <unwind.h>
#include <pthreadP.h>
#define LIBGCC_S_SO "libgcc_s.so.4"
#include <sysdep.h>
static void *libgcc_s_handle;
static void (*libgcc_s_resume) (struct _Unwind_Exception *exc);
@ -32,15 +32,16 @@ static _Unwind_Reason_Code (*libgcc_s_forcedunwind)
(struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
static _Unwind_Word (*libgcc_s_getcfa) (struct _Unwind_Context *);
#ifndef LIBGCC_S_SO
#define LIBGCC_S_SO "libgcc_s.so.1"
#endif
#define LIBGCC_S_SO "libgcc_s.so.4"
void
__attribute_noinline__
pthread_cancel_init (void)
{
void *resume, *personality, *forcedunwind, *getcfa;
void *resume;
void *personality;
void *forcedunwind;
void *getcfa;
void *handle;
if (__builtin_expect (libgcc_s_handle != NULL, 1))
@ -62,13 +63,17 @@ pthread_cancel_init (void)
|| ARCH_CANCEL_INIT (handle)
#endif
)
__libc_fatal ("libgcc_s.so must be installed for pthread_cancel to work\n");
__libc_fatal (LIBGCC_S_SO " must be installed for pthread_cancel to work\n");
PTR_MANGLE (resume);
libgcc_s_resume = resume;
PTR_MANGLE (personality);
libgcc_s_personality = personality;
PTR_MANGLE (forcedunwind);
libgcc_s_forcedunwind = forcedunwind;
PTR_MANGLE (getcfa);
libgcc_s_getcfa = getcfa;
/* Make sure libgcc_s_getcfa is written last. Otherwise,
/* Make sure libgcc_s_handle is written last. Otherwise,
pthread_cancel_init might return early even when the pointer the
caller is interested in is not initialized yet. */
atomic_write_barrier ();
@ -90,10 +95,12 @@ __unwind_freeres (void)
void
_Unwind_Resume (struct _Unwind_Exception *exc)
{
if (__builtin_expect (libgcc_s_resume == NULL, 0))
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
libgcc_s_resume (exc);
void (*resume) (struct _Unwind_Exception *exc) = libgcc_s_resume;
PTR_DEMANGLE (resume);
resume (exc);
}
_Unwind_Reason_Code
@ -102,28 +109,37 @@ __gcc_personality_v0 (int version, _Unwind_Action actions,
struct _Unwind_Exception *ue_header,
struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_personality == NULL, 0))
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
return libgcc_s_personality (version, actions, exception_class,
ue_header, context);
_Unwind_Reason_Code (*personality)
(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
struct _Unwind_Context *) = libgcc_s_personality;
PTR_DEMANGLE (personality);
return personality (version, actions, exception_class, ue_header, context);
}
_Unwind_Reason_Code
_Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
void *stop_argument)
{
if (__builtin_expect (libgcc_s_forcedunwind == NULL, 0))
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
return libgcc_s_forcedunwind (exc, stop, stop_argument);
_Unwind_Reason_Code (*forcedunwind)
(struct _Unwind_Exception *, _Unwind_Stop_Fn, void *)
= libgcc_s_forcedunwind;
PTR_DEMANGLE (forcedunwind);
return forcedunwind (exc, stop, stop_argument);
}
_Unwind_Word
_Unwind_GetCFA (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_getcfa == NULL, 0))
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
return libgcc_s_getcfa (context);
_Unwind_Word (*getcfa) (struct _Unwind_Context *) = libgcc_s_getcfa;
PTR_DEMANGLE (getcfa);
return getcfa (context);
}

10
sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c
View File

@ -1,5 +1,6 @@
/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 2003, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License as
@ -27,11 +28,6 @@ static _Unwind_Reason_Code (*libgcc_s_personality)
(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
struct _Unwind_Context *);
#ifndef LIBGCC_S_SO
#error LIBGCC_S_SO
#define LIBGCC_S_SO "libgcc_s.so.1"
#endif
static void
init (void)
{
@ -43,7 +39,7 @@ init (void)
if (handle == NULL
|| (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL
|| (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL)
__libc_fatal ("libgcc_s.so must be installed for pthread_cancel to work\n");
__libc_fatal (LIBGCC_S_SO " must be installed for pthread_cancel to work\n");
libgcc_s_resume = resume;
libgcc_s_personality = personality;