fpc/rtl/linux/i386/prt1.as

82 lines
2.3 KiB
ActionScript

#
# $Id$
# This file is part of the Free Pascal run time library.
# Copyright (c) 1993,97 by Michael Van Canneyt and Peter Vreman
# members of the Free Pascal development team.
#
# See the file COPYING.FPC, included in this distribution,
# for details about the copyright.
#
# This program 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.
#
#**********************************************************************}
#
# Linux ELF startup code for Free Pascal
#
.file "prt1.as"
.text
.globl _start
.type _start,@function
_start:
/* First locate the start of the environment variables */
popl %ecx
movl %esp,%ebx /* Points to the arguments */
movl %ecx,%eax
incl %eax
shll $2,%eax
addl %esp,%eax
andl $0xfffffff8,%esp /* Align stack */
movl %eax,U_SYSLINUX_ENVP /* Move the environment pointer */
movl %ecx,U_SYSLINUX_ARGC /* Move the argument counter */
movl %ebx,U_SYSLINUX_ARGV /* Move the argument pointer */
finit /* initialize fpu */
fwait
fldcw ___fpucw
xorl %ebp,%ebp
call PASCALMAIN
.globl _haltproc
.type _haltproc,@function
_haltproc:
movl $1,%eax /* exit call */
xorl %ebx,%ebx
movw U_SYSLINUX_EXITCODE,%bx
int $0x80
jmp _haltproc
.data
.align 4
___fpucw:
.long 0x1332
.globl ___fpc_brk_addr /* heap management */
.type ___fpc_brk_addr,@object
.size ___fpc_brk_addr,4
___fpc_brk_addr:
.long 0
.globl __curbrk /* necessary for libc */
.type __curbrk,@object
.size __curbrk,4
__curbrk:
.long 0
#
# $Log$
# Revision 1.5 1998-11-04 10:16:29 peter
# + xorl ebp,ebp to indicate end of backtrace
#
# Revision 1.4 1998/10/14 21:28:50 peter
# * initialize fpu so sigfpe is finally generated for fpu errors
#
# Revision 1.3 1998/08/08 14:42:12 peter
# * added missing ___fpc_sbrk and logs
#
#