glibc/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S
Joseph Myers 04277e02d7 Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2019-01-01 00:11:28 +00:00

75 lines
1.9 KiB
ArmAsm

/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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>
#include <tls.h>
/* The following code is only used in the shared library when we
compile the reentrant version. Otherwise each system call defines
each own version. */
/* The syscall stubs jump here when they detect an error. */
#undef CALL_MCOUNT
#define CALL_MCOUNT
.text
ENTRY(__syscall_error)
#ifndef PIC
# if IS_IN (libc)
# define SYSCALL_ERROR_ERRNO __libc_errno
# else
# define SYSCALL_ERROR_ERRNO errno
# endif
basr %r1,0
0: l %r1,1f-0b(%r1)
ear %r3,%a0
lcr %r2,%r2
st %r2,0(%r1,%r3)
lhi %r2,-1
br %r14
1: .long SYSCALL_ERROR_ERRNO@ntpoff
#else
# if RTLD_PRIVATE_ERRNO
basr %r1,0
0: al %r1,1f-0b(%r1)
lcr %r2,%r2
st %r2,0(%r1)
lhi %r2,-1
br %r14
1: .long rtld_errno - 0b
# else
# if IS_IN (libc)
# define SYSCALL_ERROR_ERRNO __libc_errno
# else
# define SYSCALL_ERROR_ERRNO errno
# endif
basr %r1,0
0: al %r1,1f-0b(%r1)
ear %r3,%a0
l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1)
lcr %r2,%r2
st %r2,0(%r1,%r3)
lhi %r2,-1
br %r14
1: .long _GLOBAL_OFFSET_TABLE_-0b
# endif
#endif
END (__syscall_error)