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103 lines
2.7 KiB
ActionScript
103 lines
2.7 KiB
ActionScript
#
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# $Id$
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# This file is part of the Free Pascal run time library.
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# Copyright (c) 1993,97 by Michael Van Canneyt and Peter Vreman
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# members of the Free Pascal development team.
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#
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# See the file COPYING.FPC, included in this distribution,
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# for details about the copyright.
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#
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# This program 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.
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#
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#**********************************************************************}
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#
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# Linux ELF startup code for Free Pascal
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#
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.file "prt1.as"
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.text
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.globl _start
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.type _start,@function
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_start:
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/* First locate the start of the environment variables */
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popl %esi
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movl %eax,%edi
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movl %esp,%ebx /* Points to the arguments */
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movl %esi,%eax
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incl %eax
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shll $2,%eax
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addl %esp,%eax
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andl $0xfffffff8,%esp /* Align stack */
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movl %eax,U_SYSLINUX_ENVP /* Move the environment pointer */
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movl %esi,U_SYSLINUX_ARGC /* Move the argument counter */
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movl %ebx,U_SYSLINUX_ARGV /* Move the argument pointer */
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xorl %ebp,%ebp
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pushl %edi
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pushl %esp
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pushl %edx
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pushl $_fini
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pushl $_init
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pushl %ebx
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pushl %esi
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pushl $main
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call __libc_start_main
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hlt
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/* fake main routine which will be run from libc */
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main:
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/* save return address */
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popl %eax
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movl %eax,___fpc_ret
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movl %ebx,___fpc_ret_ebx
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pushl %eax
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/* start the program */
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call PASCALMAIN
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.globl _haltproc
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.type _haltproc,@function
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_haltproc:
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xorl %eax,%eax /* load and save exitcode */
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movw U_SYSLINUX_EXITCODE,%ax
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movl ___fpc_ret,%edx /* return to libc */
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movl ___fpc_ret_ebx,%ebx
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push %edx
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ret
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.data
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.align 4
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.globl ___fpc_brk_addr /* heap management */
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.type ___fpc_brk_addr,@object
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.size ___fpc_brk_addr,4
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___fpc_brk_addr:
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.long 0
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___fpc_ret: /* return address to libc */
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.long 0
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___fpc_ret_ebx:
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.long 0
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#
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# $Log$
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# Revision 1.1 1999-05-03 21:29:36 peter
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# + glibc 2.1 support
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#
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# Revision 1.3 1998/11/04 10:16:25 peter
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# + xorl ebp,ebp to indicate end of backtrace
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#
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# Revision 1.2 1998/10/14 21:28:46 peter
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# * initialize fpu so sigfpe is finally generated for fpu errors
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#
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# Revision 1.1 1998/08/12 19:16:09 peter
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# + loader including libc init and exit
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#
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#
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