/* Specialized bits of code needed to support construction and
destruction of file-scope objects in C++ code.
- Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
GCC 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 General Public License
for more details.
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
/* This file is a bit like libgcc2.c in that it is compiled
multiple times and yields multiple .o files.
identified the set of defines that need to go into auto-target.h,
this will have to do. */
#include "auto-host.h"
-#undef gid_t
#undef pid_t
#undef rlim_t
#undef ssize_t
-#undef uid_t
#undef vfork
#include "tconfig.h"
#include "tsystem.h"
&& !defined(OBJECT_FORMAT_FLAT) \
&& defined(HAVE_LD_EH_FRAME_HDR) \
&& !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
+ && defined(__FreeBSD__) && __FreeBSD__ >= 7
+#include <link.h>
+# define USE_PT_GNU_EH_FRAME
+#endif
+
+#if defined(OBJECT_FORMAT_ELF) \
+ && !defined(OBJECT_FORMAT_FLAT) \
+ && defined(HAVE_LD_EH_FRAME_HDR) \
+ && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
&& defined(__GLIBC__) && __GLIBC__ >= 2
#include <link.h>
/* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h.
declaration for functions that we want to have weak references.
Neither way is particularly good. */
-
+
/* References to __register_frame_info and __deregister_frame_info should
be weak in this file if at all possible. */
extern void __register_frame_info (const void *, struct object *)
#elif defined(CTORS_SECTION_ASM_OP)
/* Hack: force cc1 to switch to .data section early, so that assembling
__CTOR_LIST__ does not undo our behind-the-back change to .ctors. */
-static func_ptr force_to_data[1] __attribute__ ((__unused__)) = { };
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
asm (CTORS_SECTION_ASM_OP);
STATIC func_ptr __CTOR_LIST__[1]
- __attribute__ ((__unused__, aligned(sizeof(func_ptr))))
+ __attribute__ ((__used__, aligned(sizeof(func_ptr))))
= { (func_ptr) (-1) };
#else
STATIC func_ptr __CTOR_LIST__[1]
- __attribute__ ((__unused__, section(".ctors"), aligned(sizeof(func_ptr))))
+ __attribute__ ((__used__, section(".ctors"), aligned(sizeof(func_ptr))))
= { (func_ptr) (-1) };
#endif /* __CTOR_LIST__ alternatives */
/* Stick a label at the beginning of the java class registration info
so we can register them properly. */
STATIC void *__JCR_LIST__[]
- __attribute__ ((unused, section(JCR_SECTION_NAME), aligned(sizeof(void*))))
+ __attribute__ ((used, section(JCR_SECTION_NAME), aligned(sizeof(void*))))
= { };
#endif /* JCR_SECTION_NAME */
extern void __cxa_finalize (void *) TARGET_ATTRIBUTE_WEAK;
/* Run all the global destructors on exit from the program. */
-
+
/* Some systems place the number of pointers in the first word of the
table. On SVR4 however, that word is -1. In all cases, the table is
null-terminated. On SVR4, we start from the beginning of the list and
/* Stick a call to __do_global_dtors_aux into the .fini section. */
#ifdef FINI_SECTION_ASM_OP
CRT_CALL_STATIC_FUNCTION (FINI_SECTION_ASM_OP, __do_global_dtors_aux)
-#else /* !defined(FINI_SECTION_ASM_OP) */
+#elif defined (FINI_ARRAY_SECTION_ASM_OP)
static func_ptr __do_global_dtors_aux_fini_array_entry[]
- __attribute__ ((__unused__, section(".fini_array")))
+ __attribute__ ((__used__, section(".fini_array")))
= { __do_global_dtors_aux };
-#endif /* !defined(FINI_SECTION_ASM_OP) */
+#else /* !FINI_SECTION_ASM_OP && !FINI_ARRAY_SECTION_ASM_OP */
+static void __attribute__((used))
+__do_global_dtors_aux_1 (void)
+{
+ atexit (__do_global_dtors_aux);
+}
+CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, __do_global_dtors_aux_1)
+#endif
#if defined(USE_EH_FRAME_REGISTRY) || defined(JCR_SECTION_NAME)
/* Stick a call to __register_frame_info into the .init section. For some
CRT_CALL_STATIC_FUNCTION (INIT_SECTION_ASM_OP, frame_dummy)
#else /* defined(INIT_SECTION_ASM_OP) */
static func_ptr __frame_dummy_init_array_entry[]
- __attribute__ ((__unused__, section(".init_array")))
+ __attribute__ ((__used__, section(".init_array")))
= { frame_dummy };
#endif /* !defined(INIT_SECTION_ASM_OP) */
#endif /* USE_EH_FRAME_REGISTRY || JCR_SECTION_NAME */
#elif defined(CTORS_SECTION_ASM_OP)
/* Hack: force cc1 to switch to .data section early, so that assembling
__CTOR_LIST__ does not undo our behind-the-back change to .ctors. */
-static func_ptr force_to_data[1] __attribute__ ((__unused__)) = { };
+static func_ptr force_to_data[1] __attribute__ ((__used__)) = { };
asm (CTORS_SECTION_ASM_OP);
STATIC func_ptr __CTOR_END__[1]
__attribute__((aligned(sizeof(func_ptr))))
asm (DTORS_SECTION_ASM_OP);
#endif
func_ptr __DTOR_END__[1]
- __attribute__ ((unused,
+ __attribute__ ((used,
#ifndef DTORS_SECTION_ASM_OP
section(".dtors"),
#endif
#elif defined(DTORS_SECTION_ASM_OP)
asm (DTORS_SECTION_ASM_OP);
STATIC func_ptr __DTOR_END__[1]
- __attribute__ ((unused, aligned(sizeof(func_ptr))))
+ __attribute__ ((used, aligned(sizeof(func_ptr))))
= { (func_ptr) 0 };
#else
STATIC func_ptr __DTOR_END__[1]
- __attribute__((unused, section(".dtors"), aligned(sizeof(func_ptr))))
+ __attribute__((used, section(".dtors"), aligned(sizeof(func_ptr))))
= { (func_ptr) 0 };
#endif
# error "Missing a 4 byte integer"
# endif
STATIC EH_FRAME_SECTION_CONST int32 __FRAME_END__[]
- __attribute__ ((unused, section(EH_FRAME_SECTION_NAME),
+ __attribute__ ((used, section(EH_FRAME_SECTION_NAME),
aligned(sizeof(int32))))
= { 0 };
#endif /* EH_FRAME_SECTION_NAME */
#ifdef JCR_SECTION_NAME
/* Null terminate the .jcr section array. */
-STATIC void *__JCR_END__[1]
- __attribute__ ((unused, section(JCR_SECTION_NAME),
+STATIC void *__JCR_END__[1]
+ __attribute__ ((used, section(JCR_SECTION_NAME),
aligned(sizeof(void *))))
= { 0 };
#endif /* JCR_SECTION_NAME */
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