2002-09-17 23:50:03 +00:00
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/* Startup code for programs linked with GNU libc. PowerPC64 version.
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2003-07-08 03:49:44 +00:00
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Copyright (C) 1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
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2002-09-17 23:50:03 +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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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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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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Lesser General Public License for more details.
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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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#include <sysdep.h>
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#include "bp-sym.h"
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/* These are the various addresses we require. */
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2003-07-08 03:49:44 +00:00
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#ifdef PIC
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2003-07-10 17:07:16 +00:00
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.section ".data.rel.ro.local","aw"
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2003-07-08 03:49:44 +00:00
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#else
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2002-09-17 23:50:03 +00:00
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.section ".rodata"
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2003-07-08 03:49:44 +00:00
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#endif
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2002-09-17 23:50:03 +00:00
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.align 3
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L(start_addresses):
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.quad 0 /* was _SDA_BASE_ but not in 64-bit ABI*/
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/* function descriptors so don't need JUMPTARGET */
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2002-12-09 20:37:37 +00:00
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.quad BP_SYM(main)
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.quad __libc_csu_init
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.quad __libc_csu_fini
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2002-09-17 23:50:03 +00:00
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ASM_SIZE_DIRECTIVE(L(start_addresses))
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.section ".toc","aw"
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.L01:
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.tc L(start_addresses)[TC],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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mr r9,r1
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/* Set up an initial stack frame, and clear the LR. */
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clrrdi r1,r1,4
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li r0,0
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stdu r1,-128(r1)
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mtlr r0
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std r0,0(r1)
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/* put the address of start_addresses in r8... **
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** PPC64 ABI uses R13 for thread local, so we leave it alone */
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ld r8,.L01(r2)
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/* and continue in libc-start, in glibc. */
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2002-12-09 20:37:37 +00:00
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b JUMPTARGET(BP_SYM(__libc_start_main))
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2002-09-17 23:50:03 +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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.globl __data_start
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__data_start:
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weak_alias (__data_start, data_start)
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