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#
# This file is part of the Free Pascal run time library.
# Copyright (c) 1999-2000 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 with profiling support for Free Pascal
# Note: Needs linking with -lgmon and -lc
#
.file "gprt1.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,operatingsystem_parameter_envp /* Move the environment pointer */
movl %ecx,operatingsystem_parameter_argc /* Move the argument counter */
movl %ebx,operatingsystem_parameter_argv /* Move the argument pointer */
finit /* initialize fpu */
fwait
fldcw ___fpucw
pushl $_etext /* Initialize gmon */
pushl $_start
call monstartup
addl $8,%esp
pushl $_mcleanup
call atexit
addl $4,%esp
/* Save initial stackpointer */
movl %esp,__stkptr
xorl %ebp,%ebp
call PASCALMAIN
.globl _haltproc
.type _haltproc,@function
_haltproc:
_haltproc2: # GAS <= 2.15 bug: generates larger jump if a label is exported
movzwl operatingsystem_result,%ebx
pushl %ebx
call exit /* call libc exit, this will */
/* write the gmon.out */
movl $252,%eax /* exit_group */
popl %ebx
int $0x80
jmp _haltproc2
.data
___fpucw:
.long 0x1332
.bss
.type __stkptr,@object
.size __stkptr,4
.global __stkptr
__stkptr:
.skip 4
.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
.section .note.GNU-stack,"",%progbits
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