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