| /* $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 |