diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | csu/init-first.c | 89 | ||||
| -rw-r--r-- | ports/ChangeLog.m68k | 5 | ||||
| -rw-r--r-- | ports/ChangeLog.mips | 4 | ||||
| -rw-r--r-- | ports/sysdeps/mips/init-first.c | 65 | ||||
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/m68k/init-first.c | 5 | ||||
| -rw-r--r-- | sysdeps/i386/init-first.c | 78 | ||||
| -rw-r--r-- | sysdeps/sh/init-first.c | 78 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/init-first.c | 115 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/init-first.c | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/init-first.c | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/init-first.c | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/x32/init-first.c | 5 |
13 files changed, 106 insertions, 364 deletions
diff --git a/ChangeLog b/ChangeLog index 4538135505..da45762137 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2012-10-01 Roland McGrath <roland@hack.frob.com> + + * sysdeps/unix/sysv/linux/init-first.c: Moved to ... + * csu/init-first.c: ... here. + * sysdeps/unix/sysv/linux/powerpc/init-first.c: Update #include. + * sysdeps/unix/sysv/linux/s390/init-first.c: Likewise. + * sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise. + * sysdeps/unix/sysv/linux/x86_64/x32/init-first.c: Likewise. + * sysdeps/i386/init-first.c: File removed. + * sysdeps/sh/init-first.c: File removed. + 2012-10-01 Joseph Myers <joseph@codesourcery.com> [BZ #14645] diff --git a/csu/init-first.c b/csu/init-first.c index 050959dcb2..0cfabbce28 100644 --- a/csu/init-first.c +++ b/csu/init-first.c @@ -1,4 +1,4 @@ -/* Initialization code run first thing by the ELF startup code. Stub version. +/* Initialization code run first thing by the ELF startup code. Common version Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -17,40 +17,76 @@ <http://www.gnu.org/licenses/>. */ #include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> #include <unistd.h> +#include <sysdep.h> +#include <fpu_control.h> +#include <sys/param.h> #include <sys/types.h> +#include <libc-internal.h> + +#include <ldsodefs.h> /* Set nonzero if we have to be prepared for more then one libc being used in the process. Safe assumption if initializer never runs. */ int __libc_multiple_libcs attribute_hidden = 1; -extern void __libc_init (int, char **, char **); -#ifdef USE_NONOPTION_FLAGS -extern void __getopt_clean_environment (char **); -#endif +/* Remember the command line argument and enviroment contents for + later calls of initializers for dynamic libraries. */ +int __libc_argc attribute_hidden; +char **__libc_argv attribute_hidden; + -#ifdef SHARED void -__libc_init_first (void) +__libc_init_first (int argc, char **argv, char **envp) { +#ifdef SHARED + /* For DSOs we do not need __libc_init_first but instead _init. */ } + +void +attribute_hidden +_init (int argc, char **argv, char **envp) +{ +#endif +#ifdef USE_NONOPTION_FLAGS + extern void __getopt_clean_environment (char **); #endif + __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up; + + /* Make sure we don't initialize twice. */ + if (!__libc_multiple_libcs) + { + /* Set the FPU control word to the proper default value if the + kernel would use a different value. (In a static program we + don't have this information.) */ #ifdef SHARED -/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT - pointer in the dynamic section based solely on that. It is convention - for this function to be in the `.init' section, but the symbol name is - the only thing that really matters!! */ -void _init -#else -void __libc_init_first + if (__fpu_control != GLRO(dl_fpu_control)) #endif -(int argc, char *arg0, ...) -{ - char **argv = &arg0, **envp = &argv[argc + 1]; + __setfpucw (__fpu_control); + } + /* Save the command-line arguments. */ + __libc_argc = argc; + __libc_argv = argv; __environ = envp; - __libc_init (argc, argv, envp); + +#ifndef SHARED + __libc_init_secure (); + + /* First the initialization which normally would be done by the + dynamic linker. */ + _dl_non_dynamic_init (); +#endif + +#ifdef VDSO_SETUP + VDSO_SETUP (); +#endif + + __init_misc (argc, argv, envp); #ifdef USE_NONOPTION_FLAGS /* This is a hack to make the special getopt in GNU libc working. */ @@ -59,4 +95,21 @@ void __libc_init_first /* Initialize ctype data. */ __ctype_init (); + +#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS + __libc_global_ctors (); +#endif +} + +/* This function is defined here so that if this file ever gets into + ld.so we will get a link error. Having this file silently included + in ld.so causes disaster, because the _init definition above will + cause ld.so to gain an init function, which is not a cool thing. */ + +extern void _dl_start (void) __attribute__ ((noreturn)); + +void +_dl_start (void) +{ + abort (); } diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k index 5163cf3f7d..040c490275 100644 --- a/ports/ChangeLog.m68k +++ b/ports/ChangeLog.m68k @@ -1,3 +1,8 @@ +2012-09-28 Roland McGrath <roland@hack.frob.com> + + * sysdeps/unix/sysv/linux/m68k/init-first.c: Include main file from + csu/ rather than sysdeps/unix/sysv/linux/. + 2012-08-27 Joseph Myers <joseph@codesourcery.com> * sysdeps/unix/sysv/linux/m68k/kernel-features.h diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips index bef13624b3..dd92c3d90f 100644 --- a/ports/ChangeLog.mips +++ b/ports/ChangeLog.mips @@ -1,3 +1,7 @@ +2012-09-28 Roland McGrath <roland@hack.frob.com> + + * sysdeps/mips/init-first.c: File removed. + 2012-09-28 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/mips/dl-trampoline.c (VERSYMIDX): Removed. diff --git a/ports/sysdeps/mips/init-first.c b/ports/sysdeps/mips/init-first.c deleted file mode 100644 index 6a5e7caf09..0000000000 --- a/ports/sysdeps/mips/init-first.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Initialization code run first thing by the ELF startup code. For mips/Unix. - Copyright (C) 1996, 1997, 2010 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 - 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. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <unistd.h> - -extern void __libc_init (int, char **, char **); -extern void __libc_global_ctors (void); - - -static void -init (int *data) -{ - int argc = *data; - char **argv = (void *) (data + 1); - char **envp = &argv[argc + 1]; - - __environ = envp; - __libc_init (argc, argv, envp); -} - -#ifdef SHARED -/* This function is called to initialize the shared C library. - It is called just before the user _start code from mips/elf/start.S, - with the stack set up as that code gets it. */ - -/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT - pointer in the dynamic section based solely on that. It is convention - for this function to be in the `.init' section, but the symbol name is - the only thing that really matters!! */ -/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/ - -void -_init (int argc, ...) -{ - init (&argc); - -#ifndef NO_CTORS_DTORS_SECTIONS - __libc_global_ctors (); -#endif -} -#endif - - -void -__libc_init_first (int argc __attribute__ ((unused)), ...) -{ -#ifndef SHARED - init (&argc); -#endif -} diff --git a/ports/sysdeps/unix/sysv/linux/m68k/init-first.c b/ports/sysdeps/unix/sysv/linux/m68k/init-first.c index ec311ec427..713ab86b16 100644 --- a/ports/sysdeps/unix/sysv/linux/m68k/init-first.c +++ b/ports/sysdeps/unix/sysv/linux/m68k/init-first.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2010 Free Software Foundation, Inc. +/* Initialization code run first thing by the ELF startup code. Linux/m68k. + Copyright (C) 2010-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. @@ -70,4 +71,4 @@ _libc_vdso_platform_setup (void) #endif /* SHARED */ -#include <sysdeps/unix/sysv/linux/init-first.c> +#include <csu/init-first.c> diff --git a/sysdeps/i386/init-first.c b/sysdeps/i386/init-first.c deleted file mode 100644 index edea7f2697..0000000000 --- a/sysdeps/i386/init-first.c +++ /dev/null @@ -1,78 +0,0 @@ -/* Initialization code run first thing by the ELF startup code. For i386/Unix. - Copyright (C) 1995-2012 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 - 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; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <ctype.h> -#include <unistd.h> - -extern void __libc_init (int, char **, char **); -#ifdef USE_NONOPTION_FLAGS -extern void __getopt_clean_environment (char **); -#endif -extern void __libc_global_ctors (void); - -int __libc_multiple_libcs attribute_hidden = 1; - -static void -init (int *data) -{ - int argc = *data; - char **argv = (void *) (data + 1); - char **envp = &argv[argc + 1]; - - __environ = envp; - __libc_init (argc, argv, envp); - -#ifdef USE_NONOPTION_FLAGS - /* This is a hack to make the special getopt in GNU libc working. */ - __getopt_clean_environment (envp); -#endif - - /* Initialize ctype data. */ - __ctype_init (); -} - -#ifdef SHARED -/* This function is called to initialize the shared C library. - It is called just before the user _start code from i386/start.S, - with the stack set up as that code gets it. */ - -/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT - pointer in the dynamic section based solely on that. It is convention - for this function to be in the `.init' section, but the symbol name is - the only thing that really matters!! */ -/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/ - -void -_init (int argc, ...) -{ - init (&argc); - -#ifndef NO_CTORS_DTORS_SECTIONS - __libc_global_ctors (); -#endif -} -#endif - - -void -__libc_init_first (int argc __attribute__ ((unused)), ...) -{ -#ifndef SHARED - init (&argc); -#endif -} diff --git a/sysdeps/sh/init-first.c b/sysdeps/sh/init-first.c deleted file mode 100644 index f298724c1d..0000000000 --- a/sysdeps/sh/init-first.c +++ /dev/null @@ -1,78 +0,0 @@ -/* Initialization code run first thing by the ELF startup code. For SH. - Copyright (C) 1995-2012 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 - 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; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <ctype.h> -#include <unistd.h> - -extern void __libc_init (int, char **, char **); -#ifdef USE_NONOPTION_FLAGS -extern void __getopt_clean_environment (char **); -#endif -extern void __libc_global_ctors (void); - -int __libc_multiple_libcs attribute_hidden = 1; - -static void -init (int *data) -{ - int argc = *data; - char **argv = (void *) (data + 1); - char **envp = &argv[argc + 1]; - - __environ = envp; - __libc_init (argc, argv, envp); - -#ifdef USE_NONOPTION_FLAGS - /* This is a hack to make the special getopt in GNU libc working. */ - __getopt_clean_environment (envp); -#endif - - /* Initialize ctype data. */ - __ctype_init (); -} - -#ifdef SHARED -/* This function is called to initialize the shared C library. - It is called just before the user _start code from sh/sh[34]/start.S, - with the stack set up as that code gets it. */ - -/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT - pointer in the dynamic section based solely on that. It is convention - for this function to be in the `.init' section, but the symbol name is - the only thing that really matters!! */ -/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/ - -void -_init (int argc, ...) -{ - init (&argc); - -#ifndef NO_CTORS_DTORS_SECTIONS - __libc_global_ctors (); -#endif -} -#endif - - -void -__libc_init_first (int argc __attribute__ ((unused)), ...) -{ -#ifndef SHARED - init (&argc); -#endif -} diff --git a/sysdeps/unix/sysv/linux/init-first.c b/sysdeps/unix/sysv/linux/init-first.c deleted file mode 100644 index 00234e6898..0000000000 --- a/sysdeps/unix/sysv/linux/init-first.c +++ /dev/null @@ -1,115 +0,0 @@ -/* Initialization code run first thing by the ELF startup code. Linux version. - Copyright (C) 1995-2004, 2005, 2007, 2011 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 - 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; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <unistd.h> -#include <sysdep.h> -#include <fpu_control.h> -#include <sys/param.h> -#include <sys/types.h> -#include <libc-internal.h> - -#include <ldsodefs.h> - -/* Set nonzero if we have to be prepared for more then one libc being - used in the process. Safe assumption if initializer never runs. */ -int __libc_multiple_libcs attribute_hidden = 1; - -/* Remember the command line argument and enviroment contents for - later calls of initializers for dynamic libraries. */ -int __libc_argc attribute_hidden; -char **__libc_argv attribute_hidden; - - -void -__libc_init_first (int argc, char **argv, char **envp) -{ -#ifdef SHARED - /* For DSOs we do not need __libc_init_first but instead _init. */ -} - -void -attribute_hidden -_init (int argc, char **argv, char **envp) -{ -#endif -#ifdef USE_NONOPTION_FLAGS - extern void __getopt_clean_environment (char **); -#endif - - __libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up; - - /* Make sure we don't initialize twice. */ - if (!__libc_multiple_libcs) - { - /* Set the FPU control word to the proper default value if the - kernel would use a different value. (In a static program we - don't have this information.) */ -#ifdef SHARED - if (__fpu_control != GLRO(dl_fpu_control)) -#endif - __setfpucw (__fpu_control); - } - - /* Save the command-line arguments. */ - __libc_argc = argc; - __libc_argv = argv; - __environ = envp; - -#ifndef SHARED - __libc_init_secure (); - - /* First the initialization which normally would be done by the - dynamic linker. */ - _dl_non_dynamic_init (); -#endif - -#ifdef VDSO_SETUP - VDSO_SETUP (); -#endif - - __init_misc (argc, argv, envp); - -#ifdef USE_NONOPTION_FLAGS - /* This is a hack to make the special getopt in GNU libc working. */ - __getopt_clean_environment (envp); -#endif - - /* Initialize ctype data. */ - __ctype_init (); - -#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS - __libc_global_ctors (); -#endif -} - -/* This function is defined here so that if this file ever gets into - ld.so we will get a link error. Having this file silently included - in ld.so causes disaster, because the _init definition above will - cause ld.so to gain an init function, which is not a cool thing. */ - -extern void _dl_start (void) __attribute__ ((noreturn)); - -void -_dl_start (void) -{ - abort (); -} diff --git a/sysdeps/unix/sysv/linux/powerpc/init-first.c b/sysdeps/unix/sysv/linux/powerpc/init-first.c index 57b36afc40..ba7ae294b5 100644 --- a/sysdeps/unix/sysv/linux/powerpc/init-first.c +++ b/sysdeps/unix/sysv/linux/powerpc/init-first.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2007 Free Software Foundation, Inc. +/* Initialization code run first thing by the ELF startup code. Linux/PowerPC. + Copyright (C) 2007-2012 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 @@ -45,4 +46,4 @@ _libc_vdso_platform_setup (void) # define VDSO_SETUP _libc_vdso_platform_setup #endif -#include "../init-first.c" +#include <csu/init-first.c> diff --git a/sysdeps/unix/sysv/linux/s390/init-first.c b/sysdeps/unix/sysv/linux/s390/init-first.c index c971382704..a066daefdf 100644 --- a/sysdeps/unix/sysv/linux/s390/init-first.c +++ b/sysdeps/unix/sysv/linux/s390/init-first.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2008 Free Software Foundation, Inc. +/* Initialization code run first thing by the ELF startup code. Linux/s390. + Copyright (C) 2008-2012 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 @@ -46,4 +47,4 @@ _libc_vdso_platform_setup (void) # define VDSO_SETUP _libc_vdso_platform_setup #endif -#include "../init-first.c" +#include <csu/init-first.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/init-first.c b/sysdeps/unix/sysv/linux/x86_64/init-first.c index e8b52eacb0..dd41f0f7aa 100644 --- a/sysdeps/unix/sysv/linux/x86_64/init-first.c +++ b/sysdeps/unix/sysv/linux/x86_64/init-first.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2007, 2011 Free Software Foundation, Inc. +/* Initialization code run first thing by the ELF startup code. Linux/x86-64. + Copyright (C) 2007-2012 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 @@ -54,4 +55,4 @@ _libc_vdso_platform_setup (void) # define VDSO_SETUP _libc_vdso_platform_setup #endif -#include "../init-first.c" +#include <csu/init-first.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/init-first.c b/sysdeps/unix/sysv/linux/x86_64/x32/init-first.c index c2aea9d4e5..5fe472ea21 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/init-first.c +++ b/sysdeps/unix/sysv/linux/x86_64/x32/init-first.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2012 Free Software Foundation, Inc. +/* Initialization code run first thing by the ELF startup code. Linux/x32. + Copyright (C) 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 @@ -37,4 +38,4 @@ _libc_vdso_platform_setup (void) # define VDSO_SETUP _libc_vdso_platform_setup #endif -#include "../../init-first.c" +#include <csu/init-first.c> |