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-rw-r--r--arch/sparc/kernel/sunos_asm.S67
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diff --git a/arch/sparc/kernel/sunos_asm.S b/arch/sparc/kernel/sunos_asm.S
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1/* $Id: sunos_asm.S,v 1.15 2000/01/11 17:33:21 jj Exp $
2 * sunos_asm.S: SunOS system calls which must have a low-level
3 * entry point to operate correctly.
4 *
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 *
7 * Based upon preliminary work which is:
8 *
9 * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
10 */
11
12#include <asm/ptrace.h>
13
14 .text
15 .align 4
16
17 /* When calling ret_sys_call, %o0 should contain the same
18 * value as in [%sp + STACKFRAME_SZ + PT_I0] */
19
20 /* SunOS getpid() returns pid in %o0 and ppid in %o1 */
21 .globl sunos_getpid
22sunos_getpid:
23 call sys_getppid
24 nop
25
26 call sys_getpid
27 st %o0, [%sp + STACKFRAME_SZ + PT_I1]
28
29 b ret_sys_call
30 st %o0, [%sp + STACKFRAME_SZ + PT_I0]
31
32 /* SunOS getuid() returns uid in %o0 and euid in %o1 */
33 .globl sunos_getuid
34sunos_getuid:
35 call sys_geteuid16
36 nop
37
38 call sys_getuid16
39 st %o0, [%sp + STACKFRAME_SZ + PT_I1]
40
41 b ret_sys_call
42 st %o0, [%sp + STACKFRAME_SZ + PT_I0]
43
44 /* SunOS getgid() returns gid in %o0 and egid in %o1 */
45 .globl sunos_getgid
46sunos_getgid:
47 call sys_getegid16
48 nop
49
50 call sys_getgid16
51 st %o0, [%sp + STACKFRAME_SZ + PT_I1]
52
53 b ret_sys_call
54 st %o0, [%sp + STACKFRAME_SZ + PT_I0]
55
56 /* SunOS's execv() call only specifies the argv argument, the
57 * environment settings are the same as the calling processes.
58 */
59 .globl sunos_execv
60sunos_execv:
61 st %g0, [%sp + STACKFRAME_SZ + PT_I2]
62
63 call sparc_execve
64 add %sp, STACKFRAME_SZ, %o0
65
66 b ret_sys_call
67 ld [%sp + STACKFRAME_SZ + PT_I0], %o0