1/* Copyright (C) 2000-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18#include <sysdep.h> 19 20ENTRY (__syscall) 21 mov r4, r3 // syscall number 22 mov r5, r4 // p1 23 mov r6, r5 // p2 24 mov r7, r6 // p3 25 mov.l @r15, r7 // p4 26 mov.l @(4,r15), r0 // p5 27 mov.l @(8,r15), r1 // p6 28 mov.l @(12,r15), r2 // p7 29 trapa #0x17 30 mov r0, r1 31 mov #-12, r2 32 shad r2, r1 33 not r1, r1 // r1=0 means r0 = -1 to -4095 34 tst r1, r1 // i.e. error in linux 35 bf .Lpseudo_end 36 SYSCALL_ERROR_HANDLER 37.Lpseudo_end: 38 rts 39 nop 40 41PSEUDO_END (__syscall) 42 43weak_alias (__syscall, syscall) 44