71 lines
2 KiB
ArmAsm
71 lines
2 KiB
ArmAsm
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/linux-syscalls.h>
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.text
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.align 4
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.type syscall,#function
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.globl syscall
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.text
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.align
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#if __ARM_EABI__
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syscall:
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mov ip, sp
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stmfd sp!, {r4, r5, r6, r7}
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mov r7, r0
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mov r0, r1
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mov r1, r2
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mov r2, r3
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ldmfd ip, {r3, r4, r5, r6}
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swi #0
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ldmfd sp!, {r4, r5, r6, r7}
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movs r0, r0
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bxpl lr
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b __set_syscall_errno
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#else
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#ifndef __NR_syscall
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#define __NR_syscall 113
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#endif
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syscall:
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stmfd sp!, {r4, r5, lr}
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ldr r4, [sp, #12]
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ldr r5, [sp, #16]
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swi __NR_syscall
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ldmfd sp!, {r4, r5, lr}
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movs r0, r0
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bxpl lr
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b __set_syscall_errno
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#endif
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