mirror of
https://sourceware.org/git/glibc.git
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Clean up init-first.c files.
This commit is contained in:
Roland McGrath
parent
55a051c985
commit
93c65d4384
11
ChangeLog
11
ChangeLog
@ -1,3 +1,14 @@
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2012-10-01 Roland McGrath <roland@hack.frob.com>
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* sysdeps/unix/sysv/linux/init-first.c: Moved to ...
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* csu/init-first.c: ... here.
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* sysdeps/unix/sysv/linux/powerpc/init-first.c: Update #include.
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* sysdeps/unix/sysv/linux/s390/init-first.c: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/init-first.c: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/x32/init-first.c: Likewise.
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* sysdeps/i386/init-first.c: File removed.
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* sysdeps/sh/init-first.c: File removed.
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2012-10-01 Joseph Myers <joseph@codesourcery.com>
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[BZ #14645]
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@ -1,4 +1,4 @@
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/* Initialization code run first thing by the ELF startup code. Stub version.
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/* Initialization code run first thing by the ELF startup code. Common version
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Copyright (C) 1995-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -17,40 +17,76 @@
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<http://www.gnu.org/licenses/>. */
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sysdep.h>
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#include <fpu_control.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <libc-internal.h>
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#include <ldsodefs.h>
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/* Set nonzero if we have to be prepared for more then one libc being
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used in the process. Safe assumption if initializer never runs. */
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int __libc_multiple_libcs attribute_hidden = 1;
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extern void __libc_init (int, char **, char **);
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/* Remember the command line argument and enviroment contents for
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later calls of initializers for dynamic libraries. */
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int __libc_argc attribute_hidden;
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char **__libc_argv attribute_hidden;
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void
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__libc_init_first (int argc, char **argv, char **envp)
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{
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#ifdef SHARED
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/* For DSOs we do not need __libc_init_first but instead _init. */
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}
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void
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attribute_hidden
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_init (int argc, char **argv, char **envp)
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{
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#endif
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#ifdef USE_NONOPTION_FLAGS
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extern void __getopt_clean_environment (char **);
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#endif
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#ifdef SHARED
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void
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__libc_init_first (void)
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__libc_multiple_libcs = &_dl_starting_up && !_dl_starting_up;
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/* Make sure we don't initialize twice. */
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if (!__libc_multiple_libcs)
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{
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/* Set the FPU control word to the proper default value if the
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kernel would use a different value. (In a static program we
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don't have this information.) */
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#ifdef SHARED
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if (__fpu_control != GLRO(dl_fpu_control))
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#endif
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__setfpucw (__fpu_control);
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}
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#endif
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#ifdef SHARED
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/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
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pointer in the dynamic section based solely on that. It is convention
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for this function to be in the `.init' section, but the symbol name is
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the only thing that really matters!! */
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void _init
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#else
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void __libc_init_first
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#endif
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(int argc, char *arg0, ...)
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{
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char **argv = &arg0, **envp = &argv[argc + 1];
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/* Save the command-line arguments. */
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__libc_argc = argc;
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__libc_argv = argv;
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__environ = envp;
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__libc_init (argc, argv, envp);
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#ifndef SHARED
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__libc_init_secure ();
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/* First the initialization which normally would be done by the
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dynamic linker. */
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_dl_non_dynamic_init ();
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#endif
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#ifdef VDSO_SETUP
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VDSO_SETUP ();
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#endif
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__init_misc (argc, argv, envp);
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#ifdef USE_NONOPTION_FLAGS
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/* This is a hack to make the special getopt in GNU libc working. */
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@ -59,4 +95,21 @@ void __libc_init_first
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/* Initialize ctype data. */
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__ctype_init ();
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#if defined SHARED && !defined NO_CTORS_DTORS_SECTIONS
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__libc_global_ctors ();
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#endif
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}
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/* This function is defined here so that if this file ever gets into
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ld.so we will get a link error. Having this file silently included
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in ld.so causes disaster, because the _init definition above will
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cause ld.so to gain an init function, which is not a cool thing. */
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extern void _dl_start (void) __attribute__ ((noreturn));
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void
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_dl_start (void)
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{
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abort ();
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}
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@ -1,3 +1,8 @@
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2012-09-28 Roland McGrath <roland@hack.frob.com>
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* sysdeps/unix/sysv/linux/m68k/init-first.c: Include main file from
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csu/ rather than sysdeps/unix/sysv/linux/.
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2012-08-27 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/unix/sysv/linux/m68k/kernel-features.h
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@ -1,3 +1,7 @@
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2012-09-28 Roland McGrath <roland@hack.frob.com>
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* sysdeps/mips/init-first.c: File removed.
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2012-09-28 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/mips/dl-trampoline.c (VERSYMIDX): Removed.
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@ -1,65 +0,0 @@
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/* Initialization code run first thing by the ELF startup code. For mips/Unix.
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Copyright (C) 1996, 1997, 2010 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <unistd.h>
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extern void __libc_init (int, char **, char **);
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extern void __libc_global_ctors (void);
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static void
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init (int *data)
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{
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int argc = *data;
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char **argv = (void *) (data + 1);
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char **envp = &argv[argc + 1];
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__environ = envp;
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__libc_init (argc, argv, envp);
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}
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#ifdef SHARED
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/* This function is called to initialize the shared C library.
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It is called just before the user _start code from mips/elf/start.S,
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with the stack set up as that code gets it. */
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/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
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pointer in the dynamic section based solely on that. It is convention
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for this function to be in the `.init' section, but the symbol name is
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the only thing that really matters!! */
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/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
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void
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_init (int argc, ...)
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{
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init (&argc);
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#ifndef NO_CTORS_DTORS_SECTIONS
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__libc_global_ctors ();
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#endif
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}
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#endif
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void
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__libc_init_first (int argc __attribute__ ((unused)), ...)
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{
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#ifndef SHARED
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init (&argc);
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#endif
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}
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@ -1,4 +1,5 @@
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/* Copyright (C) 2010 Free Software Foundation, Inc.
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/* Initialization code run first thing by the ELF startup code. Linux/m68k.
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Copyright (C) 2010-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
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@ -70,4 +71,4 @@ _libc_vdso_platform_setup (void)
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#endif /* SHARED */
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#include <sysdeps/unix/sysv/linux/init-first.c>
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#include <csu/init-first.c>
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@ -1,78 +0,0 @@
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/* Initialization code run first thing by the ELF startup code. For i386/Unix.
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Copyright (C) 1995-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
|
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License as published by the Free Software Foundation; either
|
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
|
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <ctype.h>
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#include <unistd.h>
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extern void __libc_init (int, char **, char **);
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#ifdef USE_NONOPTION_FLAGS
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extern void __getopt_clean_environment (char **);
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#endif
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extern void __libc_global_ctors (void);
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int __libc_multiple_libcs attribute_hidden = 1;
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static void
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init (int *data)
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{
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int argc = *data;
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char **argv = (void *) (data + 1);
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char **envp = &argv[argc + 1];
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__environ = envp;
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__libc_init (argc, argv, envp);
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#ifdef USE_NONOPTION_FLAGS
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/* This is a hack to make the special getopt in GNU libc working. */
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__getopt_clean_environment (envp);
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#endif
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/* Initialize ctype data. */
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__ctype_init ();
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}
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#ifdef SHARED
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/* This function is called to initialize the shared C library.
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It is called just before the user _start code from i386/start.S,
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with the stack set up as that code gets it. */
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/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
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pointer in the dynamic section based solely on that. It is convention
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for this function to be in the `.init' section, but the symbol name is
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the only thing that really matters!! */
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/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
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void
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_init (int argc, ...)
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{
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init (&argc);
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#ifndef NO_CTORS_DTORS_SECTIONS
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__libc_global_ctors ();
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#endif
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}
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#endif
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void
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__libc_init_first (int argc __attribute__ ((unused)), ...)
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{
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#ifndef SHARED
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init (&argc);
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#endif
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}
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@ -1,78 +0,0 @@
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/* Initialization code run first thing by the ELF startup code. For SH.
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Copyright (C) 1995-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
|
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|
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The GNU C Library is free software; you can redistribute it and/or
|
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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.
|
||||
|
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The GNU C Library is distributed in the hope that it will be useful,
|
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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
|
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<http://www.gnu.org/licenses/>. */
|
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#include <ctype.h>
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#include <unistd.h>
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extern void __libc_init (int, char **, char **);
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#ifdef USE_NONOPTION_FLAGS
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extern void __getopt_clean_environment (char **);
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#endif
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extern void __libc_global_ctors (void);
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int __libc_multiple_libcs attribute_hidden = 1;
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static void
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init (int *data)
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{
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int argc = *data;
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char **argv = (void *) (data + 1);
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char **envp = &argv[argc + 1];
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__environ = envp;
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__libc_init (argc, argv, envp);
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|
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#ifdef USE_NONOPTION_FLAGS
|
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/* This is a hack to make the special getopt in GNU libc working. */
|
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__getopt_clean_environment (envp);
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#endif
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/* Initialize ctype data. */
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__ctype_init ();
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}
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|
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#ifdef SHARED
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/* This function is called to initialize the shared C library.
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It is called just before the user _start code from sh/sh[34]/start.S,
|
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with the stack set up as that code gets it. */
|
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|
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/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
|
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pointer in the dynamic section based solely on that. It is convention
|
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for this function to be in the `.init' section, but the symbol name is
|
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the only thing that really matters!! */
|
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/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
|
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|
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void
|
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_init (int argc, ...)
|
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{
|
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init (&argc);
|
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|
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#ifndef NO_CTORS_DTORS_SECTIONS
|
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__libc_global_ctors ();
|
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#endif
|
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}
|
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#endif
|
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|
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|
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void
|
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__libc_init_first (int argc __attribute__ ((unused)), ...)
|
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{
|
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#ifndef SHARED
|
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init (&argc);
|
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#endif
|
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}
|
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@ -1,115 +0,0 @@
|
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/* Initialization code run first thing by the ELF startup code. Linux version.
|
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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>
|
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#include <stdlib.h>
|
||||
#include <fcntl.h>
|
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#include <unistd.h>
|
||||
#include <sysdep.h>
|
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#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 ();
|
||||
}
|
||||
@ -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>
|
||||
|
||||
@ -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>
|
||||
|
||||
@ -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>
|
||||
|
||||
@ -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>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user