diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S b/REORG.TODO/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S new file mode 100644 index 0000000000..e07fd48488 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S @@ -0,0 +1,74 @@ +/* Copyright (C) 2000-2017 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) |