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Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/init-first.c')
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diff --git a/sysdeps/unix/sysv/linux/i386/init-first.c b/sysdeps/unix/sysv/linux/i386/init-first.c
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+++ b/sysdeps/unix/sysv/linux/i386/init-first.c
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+/* Initialization code run first thing by the ELF startup code. i386/Linux
+Copyright (C) 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <unistd.h>
+#include "fpu_control.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];
+
+ /* Make sure we are not using iBSC2 personality. */
+ asm ("int $0x80 # syscall no %0, arg %1"
+ : : "a" (SYS_ify (personality)), "b" (0));
+
+ /* Set the FPU control word to the proper default value. */
+ __setfpucw (___fpu_control);
+
+ __environ = envp;
+ __libc_init (argc, argv, envp);
+}
+
+#ifdef PIC
+/* 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 PIC
+ init (&argc);
+#endif
+}