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authorMike Frysinger <vapier@gentoo.org>2005-08-09 04:54:18 +0000
committerMike Frysinger <vapier@gentoo.org>2005-08-09 04:54:18 +0000
commitd501ad45e35b79af56b469fbd8a5bf9df0d16505 (patch)
tree51cfe691d908b2b7e526252f087cac3ef8439cf1 /libc/sysdeps/linux/sh/crt0.S
parent981799a70581dbb9740113cab23a26664e70e09d (diff)
update crt0 to crt1 based heavily on glibc start.S and to sync up with __uClibc_main changes
Diffstat (limited to 'libc/sysdeps/linux/sh/crt0.S')
-rw-r--r--libc/sysdeps/linux/sh/crt0.S136
1 files changed, 0 insertions, 136 deletions
diff --git a/libc/sysdeps/linux/sh/crt0.S b/libc/sysdeps/linux/sh/crt0.S
deleted file mode 100644
index 9a3936750..000000000
--- a/libc/sysdeps/linux/sh/crt0.S
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Startup code for SH & ELF.
- Copyright (C) 1999 Free Software Foundation, Inc.
- Copyright (C) 2001 Hewlett-Packard Australia
- Copyright (C) 2002 Stefan Allius
-
- This program 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.
-
- This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-
-/* This is the canonical entry point, usually the first thing in the text
- segment.
-
- At this entry point, most registers' values are unspecified, except:
-
- sp The stack contains the arguments and environment:
- 0(sp) argc
- 4(sp) argv[0]
- ...
- (4*argc)(sp) NULL
- (4*(argc+1))(sp) envp[0]
- ...
- NULL
-*/
-
-#include <features.h>
-
- .file "crt0.S"
- .text
- .globl _start
- .type _start,@function
- .type main,@function
- .size _start,_start_end - _start
-_start:
- /* Clear the frame pointer since this is the outermost frame. */
- mov #0, r14
-
- /* Pop argc off the stack and save a pointer to argv */
- mov.l @r15+,r4
- mov r15, r5
-
-#if defined L_crt0 || ! defined __UCLIBC_CTOR_DTOR__
- /*
- * Setup the value for the environment pointer:
- * r6 = (argc + 1) * 4
- * r6 += argv (in delay slot)
- */
- mov r4,r6
- add #1,r6
- shll2 r6
-
- /* jump to __uClibc_main (argc, argv, envp) */
- mov.l L_main, r0
- jsr @r0
- add r5, r6 /* delay slot */
-
- /* We should not get here. */
- mov.l L_abort, r0
- jmp @r0
- nop
-
-_start_end:
- .align 2
-
-L_main:
- .long __uClibc_main /* in libuClibc.*.so */
-
-#else /* (L_crt1) && __UCLIBC_CTOR_DTOR__ */
- /* Push the finip argument to __uClibc_start_main() onto the stack */
- mov.l L_fini,r6
- mov.l r6,@-r15
-
- /* Setup the value for the initp argument */
- mov.l L_init, r7
-
- /*
- * Setup the value for the environment pointer:
- * r6 = (argc + 1) * 4
- * r6 += argv (in delay slot)
- */
- mov r4,r6
- add #1,r6
- shll2 r6
-
- /* jump to __uClibc_start_main (argc, argv, envp, app_init, app_fini) */
- mov.l L_main, r0
- jsr @r0
- add r5, r6 /* delay slot */
- /* We should not get here. */
- mov.l L_abort, r0
- jmp @r0
- nop
-_start_end:
- .align 2
-
-L_main:
- .long __uClibc_start_main /* in libuClibc.*.so */
-
- .weak _init
- .type _init,@function
-_init:
- rts
- nop
-
- .size _init,.-_init
- .weak _fini
- .set _fini,_init
-
-L_init:
- .long _init
-L_fini:
- .long _fini
-
-#endif
-
-L_abort:
- .long abort
-
-/* 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