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1/* Copyright (C) 2005-2019 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 <http://www.gnu.org/licenses/>. */
17
18#include <sysdep.h>
19
20/* In the EABI syscall interface, we don't need a special syscall to
21 implement syscall(). It won't work reliably with 64-bit arguments
22 (but that is true on many modern platforms). */
23
24ENTRY (syscall)
25 mov ip, sp
26 push {r4, r5, r6, r7}
27 cfi_adjust_cfa_offset (16)
28 cfi_rel_offset (r4, 0)
29 cfi_rel_offset (r5, 4)
30 cfi_rel_offset (r6, 8)
31 cfi_rel_offset (r7, 12)
32 mov r7, r0
33 mov r0, r1
34 mov r1, r2
35 mov r2, r3
36 ldmfd ip, {r3, r4, r5, r6}
37 swi 0x0
38 pop {r4, r5, r6, r7}
39 cfi_adjust_cfa_offset (-16)
40 cfi_restore (r4)
41 cfi_restore (r5)
42 cfi_restore (r6)
43 cfi_restore (r7)
44 cmn r0, #4096
45 it cc
46 RETINSTR(cc, lr)
47 b PLTJMP(syscall_error)
48PSEUDO_END (syscall)
49

Warning: That file was not part of the compilation database. It may have many parsing errors.