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104 lines
3.1 KiB
ActionScript
104 lines
3.1 KiB
ActionScript
# $Id$
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/* Startup code for elf32-sparc
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Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
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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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.section ".text"
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.align 4
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.global _start
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.type _start,#function
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_start:
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/* Terminate the stack frame, and reserve space for functions to
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drop their arguments. */
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mov %g0, %fp
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sub %sp, 6*4, %sp
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/* Extract the arguments and environment as encoded on the stack. The
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argument info starts after one register window (16 words) past the SP. */
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ld [%sp+22*4], %o2
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sethi %hi(operatingsystem_parameter_argc),%o1
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or %o1,%lo(operatingsystem_parameter_argc),%o1
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st %o2, [%o1]
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add %sp, 23*4, %o0
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sethi %hi(operatingsystem_parameter_argv),%o1
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or %o1,%lo(operatingsystem_parameter_argv),%o1
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st %o0, [%o1]
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/* envp=(argc+1)*4+argv */
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inc %o2
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sll %o2, 2, %o2
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add %o2, %o0, %o2
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sethi %hi(operatingsystem_parameter_envp),%o1
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or %o1,%lo(operatingsystem_parameter_envp),%o1
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st %o2, [%o1]
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/* Call the user program entry point. */
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call PASCALMAIN
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nop
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.globl _haltproc
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.type _haltproc,@function
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_haltproc:
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mov 1, %g1 /* "exit" system call */
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sethi %hi(operatingsystem_result),%o0
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or %o0,%lo(operatingsystem_result),%o0
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ldsh [%o0], %o0 /* give exit status to parent process*/
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ta 0x10 /* dot the system call */
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nop /* delay slot */
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/* Die very horribly if exit returns. */
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unimp
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.size _start, .-_start
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.comm operatingsystem_parameter_envp,4
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.comm operatingsystem_parameter_argc,4
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.comm operatingsystem_parameter_argv,4
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#
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# $Log$
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# Revision 1.9 2004-07-05 21:07:38 florian
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# * remade makefile (too old fpcmake)
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# * fixed sparc startup code
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#
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# Revision 1.8 2004/07/03 21:50:31 daniel
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# * Modified bootstrap code so separate prt0.as/prt0_10.as files are no
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# longer necessary
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#
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# Revision 1.7 2004/05/27 23:15:02 peter
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# * startup argc,argv,envp fix
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# * stat fixed
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#
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# Revision 1.6 2004/05/17 20:56:56 peter
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# * use ldsh to load exitcode
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#
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# Revision 1.5 2004/03/16 10:19:11 mazen
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# + _haltproc definition for linux/sparc
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#
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# Revision 1.4 2003/06/02 22:03:37 mazen
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# *making init and fini symbols compatible FPC code by
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# changing _init ==> fpc_initialize
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# and _fini ==> fpc_finalize
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#
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# Revision 1.3 2002/11/18 19:03:46 mazen
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# * start code of gcc adapted for FPC
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#
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