| /* Copyright (C) 2001, 2002, 2003, 2004 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #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 USE___THREAD |
| # ifndef NOT_IN_libc |
| # define SYSCALL_ERROR_ERRNO __libc_errno |
| # else |
| # define SYSCALL_ERROR_ERRNO errno |
| # endif |
| basr %r1,0 |
| 0: lg %r1,1f-0b(%r1) |
| ear %r3,%a0 |
| sllg %r3,%r3,32 |
| ear %r3,%a1 |
| lcr %r2,%r2 |
| st %r2,0(%r1,%r3) |
| lghi %r2,-1 |
| br %r14 |
| 1: .quad SYSCALL_ERROR_ERRNO@ntpoff |
| # elif !defined _LIBC_REENTRANT |
| larl %r1,errno |
| lcr %r2,%r2 |
| st %r2,0(%r1) |
| lghi %r2,-1 |
| br %r14 |
| # else |
| stmg %r13,%r15,104(%r15) |
| cfi_offset (%r15,-40) |
| cfi_offset (%r14,-48) |
| cfi_offset (%r13,-56) |
| lgr %r0,%r15 |
| aghi %r15,-160 |
| cfi_adjust_cfa_offset (160) |
| lcr %r13,%r2 |
| stg %r0,0(%r15) |
| brasl %r14,__errno_location |
| st %r13,0(%r2) |
| lmg %r13,%r15,264(%r15) |
| cfi_adjust_cfa_offset (-160) |
| lghi %r2,-1 |
| br %r14 |
| #endif |
| #else |
| # if RTLD_PRIVATE_ERRNO |
| larl %r1,rtld_errno |
| lcr %r2,%r2 |
| st %r2,0(%r1) |
| lghi %r2,-1 |
| br %r14 |
| # elif USE___THREAD |
| # ifndef NOT_IN_libc |
| # define SYSCALL_ERROR_ERRNO __libc_errno |
| # else |
| # define SYSCALL_ERROR_ERRNO errno |
| # endif |
| larl %r1,_GLOBAL_OFFSET_TABLE_ |
| lg %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1) |
| ear %r3,%a0 |
| sllg %r3,%r3,32 |
| ear %r3,%a1 |
| lcr %r2,%r2 |
| st %r2,0(%r1,%r3) |
| lghi %r2,-1 |
| br %r14 |
| # elif !defined _LIBC_REENTRANT |
| larl %r1,_GLOBAL_OFFSET_TABLE_ |
| lg %r1,errno@GOT(%r1) |
| lcr %r2,%r2 |
| st %r2,0(%r1) |
| lghi %r2,-1 |
| br %r14 |
| # else |
| stmg %r13,%r15,104(%r15) |
| cfi_offset (%r15,-40) |
| cfi_offset (%r14,-48) |
| cfi_offset (%r13,-56) |
| lgr %r0,%r15 |
| aghi %r15,-160 |
| cfi_adjust_cfa_offset (160) |
| lcr %r13,%r2 |
| stg %r0,0(%r15) |
| brasl %r14,__errno_location@PLT |
| st %r13,0(%r2) |
| lmg %r13,%r15,264(%r15) |
| cfi_adjust_cfa_offset (-160) |
| lghi %r2,-1 |
| br %r14 |
| # endif |
| #endif |
| |
| END (__syscall_error) |
