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1/* Copyright (C) 1991-2019 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#define _ERRNO_H
20#include <bits/errno.h>
21
22#if IS_IN (rtld)
23# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
24#endif
25
26#include <tls.h>
27
28#undef syscall_error
29__syscall_error:
30#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
31 /* We translate the system's EWOULDBLOCK error into EAGAIN.
32 The GNU C library always defines EWOULDBLOCK==EAGAIN.
33 EWOULDBLOCK_sys is the original number. */
34 cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
35 it eq
36 moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
37#endif
38
39#if !IS_IN (rtld)
40 mov r1, r0
41 GET_TLS (r2)
42 ldr r2, 1f
43#ifdef __thumb__
442: add r2, r2, pc
45 ldr r2, [r2]
46#else
472: ldr r2, [pc, r2]
48#endif
49 str r1, [r0, r2]
50 mvn r0, #0
51 DO_RET(lr)
52
531: .word errno(gottpoff) + (. - 2b - PC_OFS)
54#elif RTLD_PRIVATE_ERRNO
55 LDST_PCREL(str, r0, r1, C_SYMBOL_NAME(rtld_errno))
56 mvn r0, #0
57 DO_RET(r14)
58#else
59#error "Unsupported non-TLS case"
60#endif
61
62#undef __syscall_error
63END (__syscall_error)
64

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