/* Copyright (C) 2000, 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 #include /* 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: 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 # elif !defined _LIBC_REENTRANT basr %r1,0 0: l %r1,1f-0b(%r1) lcr %r2,%r2 st %r2,0(%r1) lhi %r2,-1 br %r14 1: .long errno # else stm %r13,%r15,52(%r15) cfi_offset (%r15, -36) cfi_offset (%r14, -40) cfi_offset (%r13, -44) lr %r0,%r15 ahi %r15,-96 cfi_adjust_cfa_offset (96) lcr %r13,%r2 st %r0,0(%r15) basr %r1,0 0: l %r1,1f-0b(%r1) basr %r14,%r1 st %r13,0(%r2) lm %r13,%r15,148(%r15) cfi_adjust_cfa_offset (-96) lhi %r2,-1 br %r14 1: .long __errno_location #endif #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 # elif USE___THREAD # 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 # elif !defined _LIBC_REENTRANT basr %r1,0 0: al %r1,1f-0b(%r1) l %r1,errno@GOT(%r1) lcr %r2,%r2 st %r2,0(0,%r1) lhi %r2,-1 br %r14 1: .long _GLOBAL_OFFSET_TABLE_-0b # else stm %r11,%r15,44(%r15) cfi_offset (%r15, -36) cfi_offset (%r14, -40) cfi_offset (%r13, -44) cfi_offset (%r12, -48) cfi_offset (%r11, -52) lr %r0,%r15 ahi %r15,-96 cfi_adjust_cfa_offset (96) lcr %r11,%r2 st %r0,0(%r15) basr %r13,0 0: l %r12,1f-0b(%r13) l %r1,2f-0b(%r13) la %r12,0(%r12,%r13) bas %r14,0(%r1,%r13) st %r11,0(%r2) lm %r11,%r15,140(%r15) cfi_adjust_cfa_offset (-96) lhi %r2,-1 br %r14 1: .long _GLOBAL_OFFSET_TABLE_-0b 2: .long __errno_location@PLT-0b # endif #endif END (__syscall_error)