| /* Copyright (C) 2000-2014 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 |
| # ifndef NOT_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 |
| # ifndef NOT_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) |
