|
|
@@ -1,10 +1,81 @@
|
|
|
/*
|
|
|
$Id$
|
|
|
*/
|
|
|
+/* Startup code for programs linked with GNU libc.
|
|
|
+ Copyright (C) 1998, 1999, 2000, 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.
|
|
|
+
|
|
|
+ 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. */
|
|
|
+
|
|
|
+ .section ".text"
|
|
|
+ .globl _start
|
|
|
+_start:
|
|
|
+ mr 26,1
|
|
|
+ /* Set up an initial stack frame, and clear the LR. */
|
|
|
+ clrrwi 1,1,4
|
|
|
+ li 0,0
|
|
|
+ stwu 1,-16(1)
|
|
|
+ mtlr 0
|
|
|
+ stw 0,0(1)
|
|
|
+ lwz 3,0(26) /* get argc */
|
|
|
+ lis 11,U_SYSTEM_ARGC@ha
|
|
|
+ stw 3,U_SYSTEM_ARGC@l(11);
|
|
|
+
|
|
|
+ addi 4,26,4 /* get argv */
|
|
|
+ lis 11,U_SYSTEM_ARGV@ha
|
|
|
+ stw 4,U_SYSTEM_ARGV@l(11);
|
|
|
+
|
|
|
+ addi 27,3,1 /* calculate argc + 1 into r27 */
|
|
|
+ slwi 27,27,2 /* calculate (argc + 1) * sizeof(char *) into r27 */
|
|
|
+ add 5,4,27 /* get address of env[0] */
|
|
|
+ lis 11,U_SYSTEM_ENVP@ha
|
|
|
+ stw 5,U_SYSTEM_ENVP@l(11);
|
|
|
+ /* init libc, parameters are already setup at this point */
|
|
|
+ bl __libc_init_first
|
|
|
+ /* install finalization code handler */
|
|
|
+ lis 3,_fini@ha
|
|
|
+ addi 3,3,_fini@l
|
|
|
+ bl PASCALMAIN
|
|
|
+
|
|
|
+ .globl _haltproc
|
|
|
+ .type _haltproc,@function
|
|
|
+_haltproc:
|
|
|
+ li 0,1 /* exit call */
|
|
|
+ lis 3,U_SYSTEM_EXITCODE@h
|
|
|
+ stw 3,U_SYSTEM_EXITCODE@l(3)
|
|
|
+ sc
|
|
|
+ b _haltproc
|
|
|
+
|
|
|
+ /* Define a symbol for the first piece of initialized data. */
|
|
|
+ .section ".data"
|
|
|
+ .globl __data_start
|
|
|
+__data_start:
|
|
|
+data_start:
|
|
|
+ .globl ___fpc_brk_addr /* heap management */
|
|
|
+ .type ___fpc_brk_addr,@object
|
|
|
+ .size ___fpc_brk_addr,4
|
|
|
+___fpc_brk_addr:
|
|
|
+ .long 0
|
|
|
+
|
|
|
+/*
|
|
|
$Log$
|
|
|
- Revision 1.3 2002-09-07 16:01:20 peter
|
|
|
+ Revision 1.4 2003-12-28 20:08:53 florian
|
|
|
+ * initial code
|
|
|
+
|
|
|
+ Revision 1.3 2002/09/07 16:01:20 peter
|
|
|
* old logs removed and tabs fixed
|
|
|
|
|
|
Revision 1.2 2002/07/26 17:09:44 florian
|
florian