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https://gitlab.com/freepascal.org/fpc/source.git
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164 lines
3.1 KiB
ActionScript
164 lines
3.1 KiB
ActionScript
#
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# $Id: prt0.as,v 1.2 2004/01/04 01:13:23 marco Exp $
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# This file is part of the Free Pascal run time library.
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# Copyright (c) 1999-2000 by Marco van de Voort, Michael Van Canneyt
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# 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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# NetBSD standard (static) ELF/i386 startup code for Free Pascal
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#
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http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/csu/i386/crt0.c?rev=1.33&content-type=text/x-cvsweb-markup
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.file "prt0.s"
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.version "01.01"
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gcc2_compiled.:
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.globl __progname
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.section .rodata
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.LC0:
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.ascii "\0"
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.data
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.align 4
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.type __progname,@object
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.size __progname,4
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__progname:
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.long .LC0
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.globl __ps_strings
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.align 4
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.type __ps_strings,@object
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.size __ps_strings,4
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__ps_strings:
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.long 0
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.align 4
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___fpucw:
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.long 0x1332
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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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#APP
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.text
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.align 4
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.globl __start
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.globl _start
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_start:
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__start:
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pushl %ebx # ps_strings
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pushl %ecx # obj
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pushl %edx # cleanup
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movl 12(%esp),%eax
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leal 20(%esp,%eax,4),%ecx
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leal 16(%esp),%edx
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pushl %ecx
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pushl %edx
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pushl %eax
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call ___start
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#NO_APP
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.text
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.align 4
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.globl ___start
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.type ___start,@function
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___start:
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pushl %ebp
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movl %esp,%ebp
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movl 16(%ebp),%eax
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movl %eax,environ
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movl %eax,U_SYSTEM_ENVP
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movl 8(%ebp),%eax
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movl %eax,U_SYSTEM_ARGC
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movl 12(%ebp),%eax
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movl %eax,U_SYSTEM_ARGV
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movl (%eax),%edx
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movl %edx,__progname
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testl %edx,%edx
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je .L2
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pushl $47
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movl __progname,%eax
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pushl %eax
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call _strrchr
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addl $8,%esp
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movl %eax,%eax
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movl %eax,__progname
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cmpl $0,__progname
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jne .L3
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movl 12(%ebp),%eax
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movl (%eax),%edx
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movl %edx,__progname
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jmp .L2
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.align 4
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.L3:
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incl __progname
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.L4:
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.L2:
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cmpl $0,28(%ebp)
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je .L5
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movl 28(%ebp),%eax
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movl %eax,__ps_strings
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.L5:
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# pushl $_fini
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# call atexit
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# addl $4,%esp
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# call _init
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# copied from linux
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finit /* initialize fpu */
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fwait
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fldcw ___fpucw
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xorl %ebp,%ebp
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call _main
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pushl %eax
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jmp _haltproc
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.p2align 2,0x90
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.globl _haltproc
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.type _haltproc,@function
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_haltproc:
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mov $1,%eax
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movzwl U_SYSTEM_EXITCODE,%ebx
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pushl %ebx
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call _actualsyscall
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addl $4,%esp
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jmp _haltproc
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_actualsyscall:
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int $0x80
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jb .LErrorcode
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xor %ebx,%ebx
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ret
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.LErrorcode:
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mov %eax,%ebx
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mov $-1,%eax
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ret
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.p2align 2,0x90
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# This section is needed for NetBSD to recognize a NetBSD binary as such.
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# otherwise it will be startup in Linux emulation mode.
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.section ".note.netbsd.ident","a"
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.p2align 2
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.long 7
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.long 4
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# ELF NOTE TYPE NETBSD TAG
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.long 1
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.ascii "NetBSD\0\0"
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.long 199905
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