mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-06-05 19:38:36 +02:00
88 lines
2.8 KiB
ActionScript
88 lines
2.8 KiB
ActionScript
#
|
|
# This file is part of the Free Pascal run time library.
|
|
# Copyright (c) 1999-2004 by Michael Van Canneyt, Peter Vreman,
|
|
# & Daniel Mantione, 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
|
|
#
|
|
# The code in this file is the default startup code, it is used unless
|
|
# libc is linked in, profiling is enabled or you are compiling a shared
|
|
# library.
|
|
#
|
|
|
|
/*
|
|
%a1 Contains a function pointer to be registered with `atexit'.
|
|
This is how the dynamic linker arranges to have DT_FINI
|
|
functions called for shared libraries that have been loaded
|
|
before this code runs.
|
|
|
|
%sp The stack contains the arguments and environment:
|
|
0(%sp) argc
|
|
4(%sp) argv[0]
|
|
...
|
|
(4*argc)(%sp) NULL
|
|
(4*(argc+1))(%sp) envp[0]
|
|
...
|
|
NULL
|
|
*/
|
|
|
|
.text
|
|
.globl _start
|
|
.type _start,@function
|
|
_start:
|
|
/* Clear the frame pointer. The ABI suggests this be done, to mark
|
|
the outermost frame obviously. */
|
|
sub.l %fp, %fp
|
|
|
|
/* Extract the arguments as encoded on the stack and set up the
|
|
arguments for `main': argc, argv. envp will be determined
|
|
later in __libc_start_main. */
|
|
move.l 8(%sp), %d0
|
|
move.l %d0, operatingsystem_parameter_envp
|
|
move.l 4(%sp), %d0
|
|
move.l %d0, operatingsystem_parameter_argv
|
|
move.l (%sp), %d0
|
|
move.l %d0, operatingsystem_parameter_argc
|
|
|
|
jbsr PASCALMAIN
|
|
|
|
illegal /* Crash if somehow `exit' does return. */
|
|
|
|
.file "prt0.as"
|
|
.text
|
|
.globl __entry
|
|
__entry:
|
|
jsr PASCALMAIN
|
|
|
|
|
|
.globl _haltproc
|
|
.type _haltproc,@function
|
|
_haltproc:
|
|
move.l #1,%d0
|
|
move.l operatingsystem_result,%d1
|
|
trap #0
|
|
bras _haltproc
|
|
|
|
.bss
|
|
.type operatingsystem_parameters,@object
|
|
.size operatingsystem_parameters,12
|
|
operatingsystem_parameters:
|
|
.skip 3*4
|
|
|
|
.global operatingsystem_parameter_envp
|
|
.global operatingsystem_parameter_argc
|
|
.global operatingsystem_parameter_argv
|
|
.set operatingsystem_parameter_envp,operatingsystem_parameters+0
|
|
.set operatingsystem_parameter_argc,operatingsystem_parameters+4
|
|
.set operatingsystem_parameter_argv,operatingsystem_parameters+8
|
|
|