1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #include <sys/linux-syscalls.h> 29 30 31 .text 32 .align 4 33 .type syscall,#function 34 .globl syscall 35 36 .text 37 .align 38 39 #if __ARM_EABI__ 40 41 syscall: 42 mov ip, sp 43 stmfd sp!, {r4, r5, r6, r7} 44 mov r7, r0 45 mov r0, r1 46 mov r1, r2 47 mov r2, r3 48 ldmfd ip, {r3, r4, r5, r6} 49 swi #0 50 ldmfd sp!, {r4, r5, r6, r7} 51 movs r0, r0 52 bxpl lr 53 b __set_syscall_errno 54 55 #else 56 57 #ifndef __NR_syscall 58 #define __NR_syscall 113 59 #endif 60 61 syscall: 62 stmfd sp!, {r4, r5, lr} 63 ldr r4, [sp, #12] 64 ldr r5, [sp, #16] 65 swi __NR_syscall 66 ldmfd sp!, {r4, r5, lr} 67 movs r0, r0 68 bxpl lr 69 b __set_syscall_errno 70 71 #endif 72
