aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/mips/elf/start.S
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/mips/elf/start.S
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.bz2
2.5-18.1
Diffstat (limited to 'sysdeps/mips/elf/start.S')
-rw-r--r--sysdeps/mips/elf/start.S119
1 files changed, 0 insertions, 119 deletions
diff --git a/sysdeps/mips/elf/start.S b/sysdeps/mips/elf/start.S
deleted file mode 100644
index d9cc3b7..0000000
--- a/sysdeps/mips/elf/start.S
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Startup code compliant to the ELF Mips ABI.
- Copyright (C) 1995, 1997, 2000, 2001, 2002, 2003, 2004
- 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.
-
- In addition to the permissions in the GNU Lesser General Public
- License, the Free Software Foundation gives you unlimited
- permission to link the compiled version of this file with other
- programs, and to distribute those programs without any restriction
- coming from the use of this file. (The GNU Lesser General Public
- License restrictions do apply in other respects; for example, they
- cover modification of the file, and distribution when not linked
- into another program.)
-
- Note that people who make modified versions of this file are not
- obligated to grant this special exception for their modified
- versions; it is their choice whether to do so. The GNU Lesser
- General Public License gives permission to release a modified
- version without this exception; this exception also makes it
- possible to release a modified version which carries forward this
- exception.
-
- 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. */
-
-#define __ASSEMBLY__ 1
-#include <entry.h>
-#include <sgidefs.h>
-#include <sys/asm.h>
-
-#ifndef ENTRY_POINT
-#error ENTRY_POINT needs to be defined for start.S on MIPS/ELF.
-#endif
-
-/* This is the canonical entry point, usually the first thing in the text
- segment. The SVR4/Mips ABI (pages 3-31, 3-32) says that when the entry
- point runs, most registers' values are unspecified, except for:
-
- v0 ($2) Contains a function pointer to be registered with `atexit'.
- This is how the dynamic linker arranges to have DT_FINI
- functions called for shared libraries that have been loaded
- before this code runs.
-
- sp ($29) The stack contains the arguments and environment:
- 0(%esp) argc
- 4(%esp) argv[0]
- ...
- (4*argc)(%esp) NULL
- (4*(argc+1))(%esp) envp[0]
- ...
- NULL
- ra ($31) The return address register is set to zero so that programs
- that search backword through stack frames recognize the last
- stack frame.
-*/
-
-
-/* We need to call:
- __libc_start_main (int (*main) (int, char **, char **), int argc,
- char **argv, void (*init) (void), void (*fini) (void),
- void (*rtld_fini) (void), void *stack_end)
-*/
-
- .text
- .globl ENTRY_POINT
- .type ENTRY_POINT,@function
-ENTRY_POINT:
-#ifdef __PIC__
- SETUP_GPX($0)
- SETUP_GPX64($25,$0)
-#else
- PTR_LA $28, _gp /* Setup GP correctly if we're non-PIC. */
- move $31, $0
-#endif
-
- PTR_LA $4, main /* main */
- PTR_L $5, 0($29) /* argc */
- PTR_ADDIU $6, $29, PTRSIZE /* argv */
-
- /* Allocate space on the stack for seven arguments (o32 only)
- and make sure the stack is aligned to double words (8 bytes)
- on o32 and quad words (16 bytes) on n32 and n64. */
-
- and $29, -2 * SZREG
-#if _MIPS_SIM == _ABIO32
- PTR_SUBIU $29, 32
-#endif
- PTR_LA $7, __libc_csu_init /* init */
- PTR_LA $8, __libc_csu_fini
-#if _MIPS_SIM == _ABIO32
- PTR_S $8, 16($29) /* fini */
- PTR_S $2, 20($29) /* rtld_fini */
- PTR_S $29, 24($29) /* stack_end */
-#else
- move $9, $2 /* rtld_fini */
- move $10, $29 /* stack_end */
-#endif
- jal __libc_start_main
-hlt: b hlt /* Crash if somehow it does return. */
-
-/* Define a symbol for the first piece of initialized data. */
- .data
- .globl __data_start
-__data_start:
- .long 0
- .weak data_start
- data_start = __data_start