mirror of https://gitee.com/openkylin/linux.git
68 lines
1.5 KiB
ArmAsm
68 lines
1.5 KiB
ArmAsm
/* $Id: sunos_asm.S,v 1.15 2000/01/11 17:33:21 jj Exp $
|
|
* sunos_asm.S: SunOS system calls which must have a low-level
|
|
* entry point to operate correctly.
|
|
*
|
|
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
|
|
*
|
|
* Based upon preliminary work which is:
|
|
*
|
|
* Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
|
|
*/
|
|
|
|
#include <asm/ptrace.h>
|
|
|
|
.text
|
|
.align 4
|
|
|
|
/* When calling ret_sys_call, %o0 should contain the same
|
|
* value as in [%sp + STACKFRAME_SZ + PT_I0] */
|
|
|
|
/* SunOS getpid() returns pid in %o0 and ppid in %o1 */
|
|
.globl sunos_getpid
|
|
sunos_getpid:
|
|
call sys_getppid
|
|
nop
|
|
|
|
call sys_getpid
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
|
|
|
|
b ret_sys_call
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
|
|
|
|
/* SunOS getuid() returns uid in %o0 and euid in %o1 */
|
|
.globl sunos_getuid
|
|
sunos_getuid:
|
|
call sys_geteuid16
|
|
nop
|
|
|
|
call sys_getuid16
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
|
|
|
|
b ret_sys_call
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
|
|
|
|
/* SunOS getgid() returns gid in %o0 and egid in %o1 */
|
|
.globl sunos_getgid
|
|
sunos_getgid:
|
|
call sys_getegid16
|
|
nop
|
|
|
|
call sys_getgid16
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I1]
|
|
|
|
b ret_sys_call
|
|
st %o0, [%sp + STACKFRAME_SZ + PT_I0]
|
|
|
|
/* SunOS's execv() call only specifies the argv argument, the
|
|
* environment settings are the same as the calling processes.
|
|
*/
|
|
.globl sunos_execv
|
|
sunos_execv:
|
|
st %g0, [%sp + STACKFRAME_SZ + PT_I2]
|
|
|
|
call sparc_execve
|
|
add %sp, STACKFRAME_SZ, %o0
|
|
|
|
b ret_sys_call
|
|
ld [%sp + STACKFRAME_SZ + PT_I0], %o0
|