mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-11-04 11:24:16 +01:00
Made cprt0 startup files to compile. Static executables using them likely do not work though.
Removed obsolete startup files (?prt21*). git-svn-id: branches/targetandroid@22045 -
This commit is contained in:
tom_at_work
parent
fe87b547ea
commit
787ca1c0bc
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -7706,10 +7706,8 @@ rtl/linux/fpmake.inc svneol=native#text/plain
|
||||
rtl/linux/gpm.pp svneol=native#text/plain
|
||||
rtl/linux/i386/bsyscall.inc svneol=native#text/plain
|
||||
rtl/linux/i386/cprt0.as svneol=native#text/plain
|
||||
rtl/linux/i386/cprt21.as svneol=native#text/plain
|
||||
rtl/linux/i386/dllprt0.as svneol=native#text/plain
|
||||
rtl/linux/i386/gprt0.as svneol=native#text/plain
|
||||
rtl/linux/i386/gprt21.as svneol=native#text/plain
|
||||
rtl/linux/i386/prt0.as svneol=native#text/plain
|
||||
rtl/linux/i386/si_c.inc svneol=native#text/plain
|
||||
rtl/linux/i386/si_c21.inc svneol=native#text/plain
|
||||
|
||||
@ -67,7 +67,8 @@ _start:
|
||||
str sp,[ip]
|
||||
|
||||
/* Fetch address of fini */
|
||||
ldr ip, =_fini
|
||||
/*fixme: ldr ip, =_fini */
|
||||
mov ip, #0
|
||||
|
||||
/* argc already loaded to a2*/
|
||||
|
||||
@ -82,15 +83,17 @@ _start:
|
||||
|
||||
/* Set up the other arguments in registers */
|
||||
ldr a1, =PASCALMAIN
|
||||
ldr a4, =_init
|
||||
/* fixme: init ldr a4, =_init */
|
||||
mov a4, #0
|
||||
|
||||
/* Push fini */
|
||||
str ip, [sp, #-4]!
|
||||
|
||||
/* __libc_start_main (main, argc, argv, init, fini, rtld_fini, stack_end) */
|
||||
/* check that this is the correct function! */
|
||||
/* __libc_init (main, argc, argv, init, fini, rtld_fini, stack_end) */
|
||||
|
||||
/* Let the libc call main and exit with its return code. */
|
||||
bl __libc_start_main
|
||||
bl __libc_init
|
||||
|
||||
/* should never get here....*/
|
||||
bl abort
|
||||
|
||||
@ -47,21 +47,15 @@ _start:
|
||||
movl %ecx,operatingsystem_parameter_argc /* Move the argument counter */
|
||||
movl %ebx,operatingsystem_parameter_argv /* Move the argument pointer */
|
||||
|
||||
movl %eax,__environ /* libc environ */
|
||||
/* no libc __environ */
|
||||
|
||||
pushl %eax
|
||||
pushl %ebx
|
||||
pushl %ecx
|
||||
|
||||
call __libc_init /* init libc */
|
||||
movzwl __fpu_control,%eax
|
||||
pushl %eax
|
||||
call __setfpucw
|
||||
popl %eax
|
||||
pushl $_fini
|
||||
call atexit
|
||||
popl %eax
|
||||
call _init
|
||||
pushl $0 /* the onexit() function is always nil with bionic */
|
||||
call __cxa_finalize
|
||||
|
||||
popl %eax
|
||||
popl %eax
|
||||
|
||||
@ -1,126 +0,0 @@
|
||||
#
|
||||
# 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 for Free Pascal
|
||||
#
|
||||
# Stack layout at program start:
|
||||
#
|
||||
# nil
|
||||
# envn
|
||||
# ....
|
||||
# .... ENVIRONMENT VARIABLES
|
||||
# env1
|
||||
# env0
|
||||
# nil
|
||||
# argn
|
||||
# ....
|
||||
# .... COMMAND LINE OPTIONS
|
||||
# arg1
|
||||
# arg0
|
||||
# argc <--- esp
|
||||
#
|
||||
|
||||
.file "prt1.as"
|
||||
.text
|
||||
.globl _start
|
||||
.type _start,@function
|
||||
_start:
|
||||
/* First locate the start of the environment variables */
|
||||
|
||||
popl %esi
|
||||
movl %eax,%edi
|
||||
|
||||
movl %esp,%ebx /* Points to the arguments */
|
||||
movl %esi,%eax
|
||||
incl %eax
|
||||
shll $2,%eax
|
||||
addl %esp,%eax
|
||||
andl $0xfffffff8,%esp /* Align stack */
|
||||
|
||||
movl %eax,operatingsystem_parameter_envp /* Move the environment pointer */
|
||||
movl %esi,operatingsystem_parameter_argc /* Move the argument counter */
|
||||
movl %ebx,operatingsystem_parameter_argv /* Move the argument pointer */
|
||||
|
||||
xorl %ebp,%ebp
|
||||
pushl %edi
|
||||
pushl %esp
|
||||
pushl %edx
|
||||
pushl $_fini_dummy
|
||||
pushl $_init_dummy
|
||||
pushl %ebx
|
||||
pushl %esi
|
||||
pushl $main
|
||||
call __libc_start_main
|
||||
hlt
|
||||
|
||||
/* fake main routine which will be run from libc */
|
||||
main:
|
||||
/* save return address */
|
||||
popl %eax
|
||||
movl %eax,___fpc_ret
|
||||
movl %ebx,___fpc_ret_ebx
|
||||
movl %ebp,___fpc_ret_ebp
|
||||
pushl %eax
|
||||
|
||||
/* Save initial stackpointer */
|
||||
movl %esp,__stkptr
|
||||
|
||||
/* start the program */
|
||||
xorl %ebp,%ebp
|
||||
call PASCALMAIN
|
||||
hlt
|
||||
|
||||
.globl _haltproc
|
||||
.type _haltproc,@function
|
||||
_haltproc:
|
||||
movzwl operatingsystem_result,%eax
|
||||
|
||||
movl ___fpc_ret,%edx /* return to libc */
|
||||
movl ___fpc_ret_ebp,%ebp
|
||||
movl ___fpc_ret_ebx,%ebx
|
||||
push %edx
|
||||
_init_dummy:
|
||||
_fini_dummy:
|
||||
ret
|
||||
|
||||
.data
|
||||
.align 4
|
||||
|
||||
___fpc_ret: /* return address to libc */
|
||||
.long 0
|
||||
___fpc_ret_ebx:
|
||||
.long 0
|
||||
___fpc_ret_ebp:
|
||||
.long 0
|
||||
|
||||
.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
|
||||
@ -1,139 +0,0 @@
|
||||
#
|
||||
# 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 for Free Pascal
|
||||
#
|
||||
|
||||
.file "prt1.as"
|
||||
.text
|
||||
.globl _start
|
||||
.type _start,@function
|
||||
_start:
|
||||
/* First locate the start of the environment variables */
|
||||
popl %esi
|
||||
movl %eax,%edi
|
||||
|
||||
movl %esp,%ebx /* Points to the arguments */
|
||||
movl %esi,%eax
|
||||
incl %eax
|
||||
shll $2,%eax
|
||||
addl %esp,%eax
|
||||
andl $0xfffffff8,%esp /* Align stack */
|
||||
|
||||
movl %eax,operatingsystem_parameter_envp /* Move the environment pointer */
|
||||
movl %esi,operatingsystem_parameter_argc /* Move the argument counter */
|
||||
movl %ebx,operatingsystem_parameter_argv /* Move the argument pointer */
|
||||
|
||||
movl %edi,%eax
|
||||
xorl %ebp,%ebp
|
||||
pushl %eax
|
||||
pushl %esp
|
||||
pushl %edx
|
||||
pushl $_fini_dummy
|
||||
pushl $_init_dummy
|
||||
pushl %ebx
|
||||
pushl %esi
|
||||
pushl $cmain
|
||||
call __libc_start_main
|
||||
hlt
|
||||
|
||||
/* fake main routine which will be run from libc */
|
||||
cmain:
|
||||
/* save return address */
|
||||
popl %eax
|
||||
movl %eax,___fpc_ret
|
||||
movl %ebx,___fpc_ret_ebx
|
||||
movl %esi,___fpc_ret_esi
|
||||
movl %edi,___fpc_ret_edi
|
||||
pushl %eax
|
||||
|
||||
call __gmon_start__
|
||||
|
||||
/* Save initial stackpointer */
|
||||
movl %esp,__stkptr
|
||||
|
||||
/* start the program */
|
||||
call PASCALMAIN
|
||||
hlt
|
||||
|
||||
.globl _haltproc
|
||||
.type _haltproc,@function
|
||||
_haltproc:
|
||||
movzwl operatingsystem_result,%eax
|
||||
|
||||
movl ___fpc_ret,%edx /* return to libc */
|
||||
movl ___fpc_ret_ebx,%ebx
|
||||
movl ___fpc_ret_esi,%esi
|
||||
movl ___fpc_ret_edi,%edi
|
||||
push %edx
|
||||
_init_dummy:
|
||||
_fini_dummy:
|
||||
ret
|
||||
|
||||
.globl __gmon_start__
|
||||
.type __gmon_start__,@function
|
||||
__gmon_start__:
|
||||
pushl %ebp
|
||||
movl __monstarted,%eax
|
||||
leal 0x1(%eax),%edx
|
||||
movl %esp,%ebp
|
||||
movl %edx,__monstarted
|
||||
testl %eax,%eax
|
||||
jnz .Lnomonstart
|
||||
pushl $etext /* Initialize gmon */
|
||||
pushl $_start
|
||||
call monstartup
|
||||
addl $8,%esp
|
||||
pushl $_mcleanup
|
||||
call atexit
|
||||
addl $4,%esp
|
||||
.Lnomonstart:
|
||||
movl %ebp,%esp
|
||||
popl %ebp
|
||||
ret
|
||||
|
||||
.data
|
||||
.align 4
|
||||
|
||||
___fpc_ret: /* return address to libc */
|
||||
.long 0
|
||||
___fpc_ret_ebx:
|
||||
.long 0
|
||||
___fpc_ret_esi:
|
||||
.long 0
|
||||
___fpc_ret_edi:
|
||||
.long 0
|
||||
|
||||
.bss
|
||||
.lcomm __monstarted,4
|
||||
|
||||
.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
|
||||
Loading…
Reference in New Issue
Block a user