1998-05-06 14:43:15 +00:00
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/* Startup code for programs linked with GNU libc.
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2001-01-03 04:50:22 +00:00
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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1998-05-06 14:43:15 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 04:58:11 +00:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1998-08-26 18:03:49 +00:00
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1998-05-06 14:43:15 +00:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 04:58:11 +00:00
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Lesser General Public License for more details.
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1998-05-06 14:43:15 +00:00
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2001-07-06 04:58:11 +00:00
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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1998-05-06 14:43:15 +00:00
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#include <sysdep.h>
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2000-07-21 07:43:25 +00:00
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#include "bp-sym.h"
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1998-05-06 14:43:15 +00:00
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/* These are the various addresses we require. */
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.section ".rodata"
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.align 2
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1998-08-26 18:03:49 +00:00
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weak_extern(_init)
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weak_extern(_fini)
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1998-05-06 14:43:15 +00:00
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L(start_addresses):
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.long _SDA_BASE_
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2000-07-21 07:43:25 +00:00
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.long JUMPTARGET(BP_SYM (main))
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1998-05-06 14:43:15 +00:00
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.long JUMPTARGET(_init)
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.long JUMPTARGET(_fini)
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ASM_SIZE_DIRECTIVE(L(start_addresses))
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.section ".text"
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ENTRY(_start)
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/* Save the stack pointer, in case we're statically linked under Linux. */
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1999-10-11 22:31:36 +00:00
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mr r9,r1
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1998-05-06 14:43:15 +00:00
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/* Set up an initial stack frame, and clear the LR. */
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1999-10-11 22:31:36 +00:00
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clrrwi r1,r1,4
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li r0,0
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stwu r1,-16(r1)
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mtlr r0
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stw r0,0(r1)
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1998-05-06 14:43:15 +00:00
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/* Set r13 to point at the 'small data area', and put the address of
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start_addresses in r8... */
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1999-10-11 22:31:36 +00:00
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lis r8,L(start_addresses)@ha
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lwzu r13,L(start_addresses)@l(r8)
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1998-05-06 14:43:15 +00:00
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/* and continue in libc-start, in glibc. */
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2000-07-21 07:43:25 +00:00
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b JUMPTARGET(BP_SYM (__libc_start_main))
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1998-05-06 14:43:15 +00:00
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END(_start)
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/* Define a symbol for the first piece of initialized data. */
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.section ".data"
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2001-01-03 04:50:22 +00:00
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.globl __data_start
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1998-05-06 14:43:15 +00:00
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__data_start:
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weak_alias (__data_start, data_start)
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