1/* Copyright (C) 2000-2022 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#include <tls.h>
20
21/* The following code is only used in the shared library when we
22   compile the reentrant version.  Otherwise each system call defines
23   each own version.  */
24
25/* The syscall stubs jump here when they detect an error.  */
26
27#undef CALL_MCOUNT
28#define CALL_MCOUNT
29
30	.text
31ENTRY(__syscall_error)
32#ifndef PIC
33# if IS_IN (libc)
34#  define SYSCALL_ERROR_ERRNO __libc_errno
35# else
36#  define SYSCALL_ERROR_ERRNO errno
37# endif
38	basr	%r1,0
390:	l	%r1,1f-0b(%r1)
40	ear	%r3,%a0
41	lcr	%r2,%r2
42	st	%r2,0(%r1,%r3)
43	lhi	%r2,-1
44	br	%r14
451:	.long	SYSCALL_ERROR_ERRNO@ntpoff
46#else
47# if RTLD_PRIVATE_ERRNO
48	basr	%r1,0
490:	al	%r1,1f-0b(%r1)
50	lcr	%r2,%r2
51	st	%r2,0(%r1)
52	lhi	%r2,-1
53	br	%r14
541:	.long	rtld_errno - 0b
55# else
56#  if IS_IN (libc)
57#   define SYSCALL_ERROR_ERRNO __libc_errno
58#  else
59#   define SYSCALL_ERROR_ERRNO errno
60#  endif
61	basr	%r1,0
620:	al	%r1,1f-0b(%r1)
63	ear	%r3,%a0
64	l	%r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1)
65	lcr	%r2,%r2
66	st	%r2,0(%r1,%r3)
67	lhi	%r2,-1
68	br	%r14
691:	.long	_GLOBAL_OFFSET_TABLE_-0b
70# endif
71#endif
72
73END (__syscall_error)
74