X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fcrtstuff.c;h=6fc571b2a6f734b193480510f05fca1aad6455d7;hp=49e68cdebbb1b9ec0e6e3960dabae2c27ec83512;hb=2c7b50c15c147ee4a34be096ea19501432fe195c;hpb=b0c091c837bf7eca5ea13642e0ab29c1e2c01935 diff --git a/gcc/crtstuff.c b/gcc/crtstuff.c index 49e68cdebbb..6fc571b2a6f 100644 --- a/gcc/crtstuff.c +++ b/gcc/crtstuff.c @@ -1,34 +1,29 @@ /* 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 +. */ /* This file is a bit like libgcc2.c in that it is compiled multiple times and yields multiple .o files. @@ -58,11 +53,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 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" @@ -90,6 +83,15 @@ call_ ## FUNC (void) \ && !defined(OBJECT_FORMAT_FLAT) \ && defined(HAVE_LD_EH_FRAME_HDR) \ && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \ + && defined(__FreeBSD__) && __FreeBSD__ >= 7 +#include +# 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 /* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h. @@ -133,7 +135,7 @@ call_ ## FUNC (void) \ 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 *) @@ -185,14 +187,14 @@ CTOR_LIST_BEGIN; #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 */ @@ -221,7 +223,7 @@ STATIC EH_FRAME_SECTION_CONST char __EH_FRAME_BEGIN__[] /* 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 */ @@ -252,7 +254,7 @@ void *__dso_handle = 0; 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 @@ -332,11 +334,18 @@ __do_global_dtors_aux (void) /* 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 @@ -374,7 +383,7 @@ frame_dummy (void) 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 */ @@ -482,7 +491,7 @@ CTOR_LIST_END; #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)))) @@ -500,7 +509,7 @@ DTOR_LIST_END; asm (DTORS_SECTION_ASM_OP); #endif func_ptr __DTOR_END__[1] - __attribute__ ((unused, + __attribute__ ((used, #ifndef DTORS_SECTION_ASM_OP section(".dtors"), #endif @@ -509,11 +518,11 @@ func_ptr __DTOR_END__[1] #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 @@ -530,15 +539,15 @@ typedef short int32; # 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 */