diff options
Diffstat (limited to 'sysdeps/unix/sysv/aix/init-first.c')
-rw-r--r-- | sysdeps/unix/sysv/aix/init-first.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/aix/init-first.c b/sysdeps/unix/sysv/aix/init-first.c new file mode 100644 index 0000000000..2c8e0b1900 --- /dev/null +++ b/sysdeps/unix/sysv/aix/init-first.c @@ -0,0 +1,107 @@ +/* Initialization code run first thing by the XCOFF startup code. AIX version. + Copyright (C) 2001 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#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> + +#ifndef SHARED +# include <ldsodefs.h> +# include "dl-osinfo.h" +#endif + +extern void __libc_init (int, char **, char **); + +/* The function is called from assembly stubs the compiler can't see. */ +static void init (int, char **, char **) __attribute__ ((unused)); + +extern int _dl_starting_up; +weak_extern (_dl_starting_up) + +extern fpu_control_t _dl_fpu_control; +extern int _dl_fpu_control_set; + +/* 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 = 1; + +/* Remember the command line argument and enviroment contents for + later calls of initializers for dynamic libraries. */ +int __libc_argc; +char **__libc_argv; + + +static void +init (int argc, char **argv, char **envp) +{ + extern void __getopt_clean_environment (char **); + /* The next variable is only here to work around a bug in gcc <= 2.7.2.2. + If the address would be taken inside the expression the optimizer + would try to be too smart and throws it away. Grrr. */ + + /* XXX disable dl for now + int *dummy_addr = &_dl_starting_up; + + __libc_multiple_libcs = dummy_addr && !_dl_starting_up; */ + + /* Save the command-line arguments. */ + __libc_argc = argc; + __libc_argv = argv; + __environ = envp; + +#ifndef SHARED + __libc_init_secure (); +#endif + + __libc_init (argc, argv, envp); + + /* This is a hack to make the special getopt in GNU libc working. */ + __getopt_clean_environment (envp); + +#ifdef SHARED + __libc_global_ctors (); +#endif +} + +#ifdef SHARED + +strong_alias (init, _init); + +extern void __libc_init_first (void); + +void +__libc_init_first (void) +{ +} + +#else +extern void __libc_init_first (int argc, char **argv, char **envp); + +void +__libc_init_first (int argc, char **argv, char **envp) +{ + init (argc, argv, envp); +} +#endif |