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