unixsys.S revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: unixsys.S,v 1.1.2.2 2009/03/03 18:29:50 skrll Exp $ */ 2 1.1.2.2 skrll /* $OpenBSD: unixsys.S,v 1.6 2005/05/24 20:38:20 uwe Exp $ */ 3 1.1.2.2 skrll 4 1.1.2.2 skrll /* 5 1.1.2.2 skrll * Copyright (c) 2005 Uwe Stuehler <uwe (at) bsdx.de> 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Permission to use, copy, modify, and distribute this software for any 8 1.1.2.2 skrll * purpose with or without fee is hereby granted, provided that the above 9 1.1.2.2 skrll * copyright notice and this permission notice appear in all copies. 10 1.1.2.2 skrll * 11 1.1.2.2 skrll * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.1.2.2 skrll * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.1.2.2 skrll * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.1.2.2 skrll * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.1.2.2 skrll * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.1.2.2 skrll * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.1.2.2 skrll * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.1.2.2 skrll */ 19 1.1.2.2 skrll 20 1.1.2.2 skrll #include <machine/asm.h> 21 1.1.2.2 skrll 22 1.1.2.2 skrll #include "compat_linux.h" 23 1.1.2.2 skrll 24 1.1.2.2 skrll .text 25 1.1.2.2 skrll 26 1.1.2.2 skrll #define RSYSCALL(x) \ 27 1.1.2.2 skrll ENTRY(__CONCAT(u,x)) \ 28 1.1.2.2 skrll swi __CONCAT(__NR_,x); \ 29 1.1.2.2 skrll b 1f 30 1.1.2.2 skrll 31 1.1.2.2 skrll RSYSCALL(exit) 32 1.1.2.2 skrll RSYSCALL(read) 33 1.1.2.2 skrll RSYSCALL(write) 34 1.1.2.2 skrll RSYSCALL(open) 35 1.1.2.2 skrll RSYSCALL(close) 36 1.1.2.2 skrll RSYSCALL(lseek32) 37 1.1.2.2 skrll RSYSCALL(ioctl) 38 1.1.2.2 skrll RSYSCALL(stat) 39 1.1.2.2 skrll 40 1.1.2.2 skrll 1: 41 1.1.2.2 skrll cmn r0, #4096 42 1.1.2.2 skrll movcc pc, lr 43 1.1.2.2 skrll rsb r0, r0, #0 44 1.1.2.2 skrll ldr r1, .Lerrno /* XXX clobbers arg1 */ 45 1.1.2.2 skrll str r0, [r1] 46 1.1.2.2 skrll mvn r0, #0 47 1.1.2.2 skrll mov pc, lr 48 1.1.2.2 skrll 49 1.1.2.2 skrll .Lerrno: 50 1.1.2.2 skrll .word errno 51 1.1.2.2 skrll 52 1.1.2.2 skrll /* XXX only works for up to four arguments. */ 53 1.1.2.2 skrll ENTRY(syscall) 54 1.1.2.2 skrll swi __NR_syscall 55 1.1.2.2 skrll b 1b 56 1.1.2.2 skrll 57 1.1.2.2 skrll ENTRY(uselect) 58 1.1.2.2 skrll str r4, [sp, #-4]! 59 1.1.2.2 skrll ldr r4, [sp, #4] 60 1.1.2.2 skrll swi __NR_select 61 1.1.2.2 skrll ldr r4, [sp], #4 62 1.1.2.2 skrll cmn r0, #4096 63 1.1.2.2 skrll movcc pc, lr 64 1.1.2.2 skrll rsb r0, r0, #0 65 1.1.2.2 skrll str r1, [sp, #-4]! 66 1.1.2.2 skrll ldr r1, .Lerrno 67 1.1.2.2 skrll str r0, [r1] 68 1.1.2.2 skrll ldr r1, [sp], #4 69 1.1.2.2 skrll mvn r0, #0 70 1.1.2.2 skrll mov pc, lr 71 1.1.2.2 skrll 72 1.1.2.2 skrll .data 73 1.1.2.2 skrll 74 1.1.2.2 skrll .global errno 75 1.1.2.2 skrll errno: 76 1.1.2.2 skrll .word 0 77
Indexes created Fri Oct 03 14:09:59 GMT 2025