diff --git a/ChangeLog.hppa b/ChangeLog.hppa index 77227b08bd..1bec9eb823 100644 --- a/ChangeLog.hppa +++ b/ChangeLog.hppa @@ -1,3 +1,11 @@ +2009-11-08 Carlos O'Donell + + [BZ #10920] + + * sysdeps/hppa/libgcc_s.h: New file. + * sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c: Remove. + * sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c: Remove. + 2009-09-08 Carlos O'Donell sysdeps/unix/sysv/linux/hppa/ diff --git a/sysdeps/hppa/libgcc_s.h b/sysdeps/hppa/libgcc_s.h new file mode 100644 index 0000000000..8dd1d72de0 --- /dev/null +++ b/sysdeps/hppa/libgcc_s.h @@ -0,0 +1,2 @@ +/* Name of libgcc_s library provided by gcc. */ +#define LIBGCC_S_SO "libgcc_s.so.4" diff --git a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c b/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c deleted file mode 100644 index e0eef901d0..0000000000 --- a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-forcedunwind.c +++ /dev/null @@ -1,145 +0,0 @@ -/* Copyright (C) 2003, 2005, 2006, 2009 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek . - - 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 - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include - -static void *libgcc_s_handle; -static void (*libgcc_s_resume) (struct _Unwind_Exception *exc); -static _Unwind_Reason_Code (*libgcc_s_personality) - (int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *, - struct _Unwind_Context *); -static _Unwind_Reason_Code (*libgcc_s_forcedunwind) - (struct _Unwind_Exception *, _Unwind_Stop_Fn, void *); -static _Unwind_Word (*libgcc_s_getcfa) (struct _Unwind_Context *); - -#define LIBGCC_S_SO "libgcc_s.so.4" - -void -__attribute_noinline__ -pthread_cancel_init (void) -{ - void *resume; - void *personality; - void *forcedunwind; - void *getcfa; - void *handle; - - if (__builtin_expect (libgcc_s_handle != NULL, 1)) - { - /* Force gcc to reload all values. */ - asm volatile ("" ::: "memory"); - return; - } - - handle = __libc_dlopen (LIBGCC_S_SO); - - if (handle == NULL - || (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL - || (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL - || (forcedunwind = __libc_dlsym (handle, "_Unwind_ForcedUnwind")) - == NULL - || (getcfa = __libc_dlsym (handle, "_Unwind_GetCFA")) == NULL -#ifdef ARCH_CANCEL_INIT - || ARCH_CANCEL_INIT (handle) -#endif - ) - __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_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 (); - libgcc_s_handle = handle; -} - -void -__libc_freeres_fn_section -__unwind_freeres (void) -{ - void *handle = libgcc_s_handle; - if (handle != NULL) - { - libgcc_s_handle = NULL; - __libc_dlclose (handle); - } -} - -void -_Unwind_Resume (struct _Unwind_Exception *exc) -{ - if (__builtin_expect (libgcc_s_handle == NULL, 0)) - pthread_cancel_init (); - - void (*resume) (struct _Unwind_Exception *exc) = libgcc_s_resume; - PTR_DEMANGLE (resume); - resume (exc); -} - -_Unwind_Reason_Code -__gcc_personality_v0 (int version, _Unwind_Action actions, - _Unwind_Exception_Class exception_class, - struct _Unwind_Exception *ue_header, - struct _Unwind_Context *context) -{ - if (__builtin_expect (libgcc_s_handle == NULL, 0)) - pthread_cancel_init (); - - _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_handle == NULL, 0)) - pthread_cancel_init (); - - _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_handle == NULL, 0)) - pthread_cancel_init (); - - _Unwind_Word (*getcfa) (struct _Unwind_Context *) = libgcc_s_getcfa; - PTR_DEMANGLE (getcfa); - return getcfa (context); -} diff --git a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c b/sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c deleted file mode 100644 index a31ba1aea1..0000000000 --- a/sysdeps/unix/sysv/linux/hppa/nptl/unwind-resume.c +++ /dev/null @@ -1,66 +0,0 @@ -/* Copyright (C) 2003, 2009 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek . - - 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 - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include - -#define LIBGCC_S_SO "libgcc_s.so.4" - -static void (*libgcc_s_resume) (struct _Unwind_Exception *exc); -static _Unwind_Reason_Code (*libgcc_s_personality) - (int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *, - struct _Unwind_Context *); - -static void -init (void) -{ - void *resume, *personality; - void *handle; - - handle = __libc_dlopen (LIBGCC_S_SO); - - 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"); - - libgcc_s_resume = resume; - libgcc_s_personality = personality; -} - -void -_Unwind_Resume (struct _Unwind_Exception *exc) -{ - if (__builtin_expect (libgcc_s_resume == NULL, 0)) - init (); - libgcc_s_resume (exc); -} - -_Unwind_Reason_Code -__gcc_personality_v0 (int version, _Unwind_Action actions, - _Unwind_Exception_Class exception_class, - struct _Unwind_Exception *ue_header, - struct _Unwind_Context *context) -{ - if (__builtin_expect (libgcc_s_personality == NULL, 0)) - init (); - return libgcc_s_personality (version, actions, exception_class, - ue_header, context); -}