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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/cprefix.h>
#include <asm/ptrace.h>
.text
.align 4
/* When calling ret_sys_call, %o0 should contain the same
* value as in [%sp + REGWIN_SZ + PT_I0] */
/* SunOS getpid() returns pid in %o0 and ppid in %o1 */
.globl C_LABEL(sunos_getpid)
C_LABEL(sunos_getpid):
call C_LABEL(sys_getppid)
nop
call C_LABEL(sys_getpid)
st %o0, [%sp + REGWIN_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
/* SunOS getuid() returns uid in %o0 and euid in %o1 */
.globl C_LABEL(sunos_getuid)
C_LABEL(sunos_getuid):
call C_LABEL(sys_geteuid16)
nop
call C_LABEL(sys_getuid16)
st %o0, [%sp + REGWIN_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
/* SunOS getgid() returns gid in %o0 and egid in %o1 */
.globl C_LABEL(sunos_getgid)
C_LABEL(sunos_getgid):
call C_LABEL(sys_getegid16)
nop
call C_LABEL(sys_getgid16)
st %o0, [%sp + REGWIN_SZ + PT_I1]
b C_LABEL(ret_sys_call)
st %o0, [%sp + REGWIN_SZ + PT_I0]
/* SunOS's execv() call only specifies the argv argument, the
* environment settings are the same as the calling processes.
*/
.globl C_LABEL(sunos_execv)
C_LABEL(sunos_execv):
st %g0, [%sp + REGWIN_SZ + PT_I2]
call C_LABEL(sparc_execve)
add %sp, REGWIN_SZ, %o0
b C_LABEL(ret_sys_call)
ld [%sp + REGWIN_SZ + PT_I0], %o0
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