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|
/* $OpenBSD: ldasm.S,v 1.1 2004/02/07 06:00:49 drahn Exp $ */
/*
* Copyright (c) 2004 Dale Rahn
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#define DL_DATA_SIZE (16 * 4) /* XXX */
#include <machine/asm.h>
#include <sys/syscall.h>
#include <arm/swi.h>
ENTRY(_dl_start)
mov fp, sp
mov r5, sp
mov lr, r6 @ save lr
sub sp, sp, #4+4+DL_DATA_SIZE
add r7, sp, #4 @ dl_data
mov r0, fp @ original stack
mov r1, r7 @ dl_data
bl _dl_boot_bind
add r0, r5, #4 @ argv
ldr r1, [r5, #0x0] @ envp
add r1, r1, #2
add r1, fp, r1, lsl #2
ldr r2, [r7, #7*4] @ loff from dl_data
mov r3, r7 @ dl_data
bl _dl_boot
mov sp, fp
mov fp, #0
mov lr, r6
mov pc, r0
ENTRY(_dl_bind_start)
/* STUB */
/* ld.so SYSCALLS */
.section ".text"
.align 4
.global _dl_close
.type _dl_close%function
_dl_close:
swi SWI_OS_NETBSD|SYS_close
bcs .L_cerr
mov pc, lr
.global _dl_exit
.type _dl_exit%function
_dl_exit:
swi SWI_OS_NETBSD|SYS_exit
1:
b 1b
.global _dl_issetugid
.type _dl_issetugid%function
_dl_issetugid:
swi SWI_OS_NETBSD|SYS_issetugid
bcs .L_cerr
mov pc, lr
.global _dl__syscall
.type _dl__syscall%function
_dl__syscall:
swi SWI_OS_NETBSD|SYS___syscall
bcs .L_cerr
mov pc, lr
.global _dl_munmap
.type _dl_munmap%function
_dl_munmap:
swi SWI_OS_NETBSD|SYS_munmap
bcs .L_cerr
mov pc, lr
.global _dl_mprotect
.type _dl_mprotect%function
_dl_mprotect:
swi SWI_OS_NETBSD|SYS_mprotect
bcs .L_cerr
mov pc, lr
.global _dl_open
.type _dl_open%function
_dl_open:
swi SWI_OS_NETBSD|SYS_open
bcs .L_cerr
mov pc, lr
.global _dl_read
.type _dl_read%function
_dl_read:
swi SWI_OS_NETBSD|SYS_read
bcs .L_cerr
mov pc, lr
.global _dl_write
.type _dl_write%function
_dl_write:
swi SWI_OS_NETBSD|SYS_write
bcs .L_cerr
mov pc, lr
.global _dl_stat
.type _dl_stat%function
_dl_stat:
swi SWI_OS_NETBSD|SYS_stat
bcs .L_cerr
mov pc, lr
.global _dl_fstat
.type _dl_fstat%function
_dl_fstat:
swi SWI_OS_NETBSD|SYS_fstat
bcs .L_cerr
mov pc, lr
.global _dl_fcntl
.type _dl_fcntl%function
_dl_fcntl:
swi SWI_OS_NETBSD|SYS_fcntl
bcs .L_cerr
mov pc, lr
.global _dl_sysctl
.type _dl_sysctl%function
_dl_sysctl:
swi SWI_OS_NETBSD|SYS___sysctl
bcs .L_cerr
mov pc, lr
.global _dl_getdirentries
.type _dl_getdirentries%function
_dl_getdirentries:
swi SWI_OS_NETBSD|SYS_getdirentries
bcs .L_cerr
mov pc, lr
.global _dl_sigprocmask
.type _dl_sigprocmask%function
_dl_sigprocmask:
teq r1, #0
moveq r0, #1
moveq r1, #0
ldrne r1, [r1]
swi SWI_OS_NETBSD|SYS_sigprocmask
bcs .L_cerr
teq r2, #0
strne r0, [r2]
mov r0, #0
mov pc, lr
.L_cerr:
mov r0, #0
sub r0, r0, #1
mov pc, lr
|
