summaryrefslogtreecommitdiff
path: root/ports/sysdeps/unix/sysv/aix/start.s
diff options
context:
space:
mode:
authorgcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:30:22 +0000
committergcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:30:22 +0000
commitd5eb8bbe5f32d1af4db8b731c3bf290217fcb18e (patch)
tree7cef18fec81193830f7bff57599d11d34dc565bf /ports/sysdeps/unix/sysv/aix/start.s
parent976b1f28a501872989e39e2db5cbe16ee7c4548e (diff)
Import glibc-ports-2.3 for 2006-08-16eglibc-2_3@52
git-svn-id: svn://svn.eglibc.org/fsf/glibc-2_3-branch@12 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'ports/sysdeps/unix/sysv/aix/start.s')
-rw-r--r--ports/sysdeps/unix/sysv/aix/start.s126
1 files changed, 126 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/aix/start.s b/ports/sysdeps/unix/sysv/aix/start.s
new file mode 100644
index 000000000..79d8ef489
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/aix/start.s
@@ -0,0 +1,126 @@
+/* Copyright (C) 2001 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. */
+
+ .file "start.s"
+ .toc
+T.lsd: .tc __libc_start_data[tc], __libc_start_data[rw]
+T.main: .tc main[tc], main[rw]
+T.init: .tc __libc_start_init[tc], __libc_start_init[rw]
+T.fini: .tc __libc_start_fini[tc], __libc_start_init[rw]
+T.rtld_fini : .tc __libc_start_rtld_fini[tc], __libc_start_rtld_fini[rw]
+
+ .globl __start
+ .globl .__start
+ .globl __libc_start_data
+
+ .extern .__libc_start_main
+ .extern .main
+ .extern main
+ .extern __libc_start_init
+ .extern __libc_start_fini
+ .extern __libc_start_rtld_fini
+
+/* Text */
+
+ .csect __start[ds]
+__start:
+ .long .__start, TOC[tc0], 0
+
+ .csect .text[pr]
+.__start:
+
+/* No prologue needed, __start does not have to follow the ABI.
+
+ Input from kernel/loader
+ r1 : stack
+ r2 : TOC
+ r3 : argc
+ r4 : argv
+ r5 : envp
+ r28 : data origin
+ r29 : text origin
+ r30 : module count
+ r31 : default processing flag
+
+ If r31 == r30, no special processing is needed, ie r28, r29 & r30
+ are not used
+
+ Save input in __libc_start_data */
+ l 16, T.lsd(2)
+ st 1, 0(16) /* stack */
+ st 2, 4(16) /* toc */
+ st 3, 8(16) /* argc */
+ st 4, 12(16) /* argv */
+ st 5, 16(16) /* envp */
+ st 28, 20(16) /* data origin */
+ st 29, 24(16) /* text origin */
+ st 30, 28(16) /* module count */
+ st 31, 32(16) /* special */
+
+/* Call __libc_start_main() */
+
+ bl .__libc_start_main
+ nop
+
+/* No epilog needed, __start does not have to follow the ABI */
+
+/* Trace back */
+TB.__start:
+ .long 0x0
+ .long 0xc2040
+ .long 0x0
+ .long TB.__start - .__start
+ .short 7
+ .byte "__start"
+ .byte 0,0,0
+
+/* Data
+ __libc_start_data
+ Space to keep libc initialization information */
+
+ .csect __libc_start_data[rw]
+__libc_start_data:
+/* For kernel/loader input args */
+ .space 36
+
+/* Externs */
+ .long main
+init:
+ .long __libc_start_init
+fini:
+ .long __libc_start_fini
+rtld_fini:
+ .long __libc_start_rtld_fini
+ .space 0x1000 + (4 + rtld_fini - __libc_start_data)