diff options
Diffstat (limited to 'sysdeps/arm/init-first.c')
-rw-r--r-- | sysdeps/arm/init-first.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sysdeps/arm/init-first.c b/sysdeps/arm/init-first.c new file mode 100644 index 0000000000..652cf95d14 --- /dev/null +++ b/sysdeps/arm/init-first.c @@ -0,0 +1,73 @@ +/* Initialization code run first thing by the ELF startup code. For ARM. + Copyright (C) 1995,1996,1997,1998,2001,2002 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 <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 +} + +#ifdef SHARED +/* This function is called to initialize the shared C library. + It is called just before the user _start code from i386/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); + + __libc_global_ctors (); +} +#endif + + +void +__libc_init_first (int argc __attribute__ ((unused)), ...) +{ +#ifndef SHARED + init (&argc); +#endif +} |