mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-16 10:00:12 +00:00
44 lines
1.3 KiB
ArmAsm
44 lines
1.3 KiB
ArmAsm
/* Copyright (C) 2000-2017 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
ENTRY (__syscall)
|
|
mov r4, r3 // syscall number
|
|
mov r5, r4 // p1
|
|
mov r6, r5 // p2
|
|
mov r7, r6 // p3
|
|
mov.l @r15, r7 // p4
|
|
mov.l @(4,r15), r0 // p5
|
|
mov.l @(8,r15), r1 // p6
|
|
mov.l @(12,r15), r2 // p7
|
|
trapa #0x17
|
|
mov r0, r1
|
|
mov #-12, r2
|
|
shad r2, r1
|
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
|
tst r1, r1 // i.e. error in linux
|
|
bf .Lpseudo_end
|
|
SYSCALL_ERROR_HANDLER
|
|
.Lpseudo_end:
|
|
rts
|
|
nop
|
|
|
|
PSEUDO_END (__syscall)
|
|
|
|
weak_alias (__syscall, syscall)
|