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Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/init-first.S')
-rw-r--r--sysdeps/unix/sysv/linux/i386/init-first.S84
1 files changed, 84 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/init-first.S b/sysdeps/unix/sysv/linux/i386/init-first.S
new file mode 100644
index 0000000000..3c0c185fb7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/init-first.S
@@ -0,0 +1,84 @@
+/* Initialization code run first thing by the ELF startup code.
+ For 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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+ .text
+
+ /* Called from start.S. Not: there is no value in %ebx. */
+
+ENTRY (__libc_init_first)
+
+ /* Make sure we are not using iBSC2 personality. */
+ movl $SYS_ify (personality), %eax
+ xorl %ebx, %ebx
+ int $0x80
+
+#ifdef PIC
+ /* Set control work of FPU. */
+ call .L0
+.L0: popl %ebx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-.L0], %ebx
+ movzwl C_SYMBOL_NAME(___fpu_control@GOT)(%ebx), %eax
+#else
+ movzwl ___fpu_control, %eax
+#endif
+ pushl %eax
+ call JUMPTARGET(__setfpucw)
+ addl $4, %esp
+
+ /* That is all for now. */
+ ret
+
+
+ /* This is only a dummy function for the list below. */
+ .type _dummy_exit, @function
+C_LABEL(_dummy_exit)
+ ret
+
+
+ .section .init,"ax",@progbits
+ movl 16(%ebp), %edx /* envp */
+ movl 12(%ebp), %ecx /* argv */
+ movl 8(%ebp), %eax /* argc */
+ pushl %edx
+ pushl %ecx
+ pushl %eax
+
+ call JUMPTARGET(__libc_init)
+
+ addl $12, %esp
+
+
+ /* Make sure __libc_subinit section is always present. */
+ .section __libc_subinit, "a", @progbits
+ .align 4
+ .type __elf_set___libc_subinit_element__dummy_exit__, @object
+ .size __elf_set___libc_subinit_element__dummy_exit__, 4
+__elf_set___libc_subinit_element__dummy_exit__:
+ .long _dummy_exit
+
+ /* Make sure __libc_atexit section is always present. */
+ .section __libc_atexit, "a", @progbits
+ .align 4
+ .type __elf_set___libc_atexit_element__dummy_exit__, @object
+ .size __elf_set___libc_atexit_element__dummy_exit__, 4
+__elf_set___libc_atexit_element__dummy_exit__:
+ .long _dummy_exit