10093276e9
modified: libc/Android.mk
new files: libc/arch-sh/bionic/*
new files: libc/arch-sh/include/*
70 lines
2.1 KiB
ArmAsm
70 lines
2.1 KiB
ArmAsm
/*
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* Copyright (C) 2009 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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.type syscall, @function
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.globl syscall
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.align 4
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/*
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* Current implementation assumes that the all syscall
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* has maximum 7 arguments.
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*/
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syscall:
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/* get args */
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mov r4, r3 /* system call number */
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mov r5, r4
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mov r6, r5
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mov r7, r6
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mov.l @r15, r7
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mov.l @(4, r15), r0
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mov.l @(8, r15), r1
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mov.l @(12, r15), r2
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/* invoke trap */
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trapa #(7 + 0x10) /* assuming 7 arguments */
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/* check return value */
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cmp/pz r0
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bt end
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/* keep error number */
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mov.l r0, @-r15
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mov.l 0f, r1
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jsr @r1
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mov r0, r4
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mov.l @r15+, r0
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end:
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rts
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nop
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.align 2
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0: .long __set_errno
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