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/* $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
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