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96c82b3fee
* include/errno.h [RTLD_PRIVATE_ERRNO] (errno): Rename the real symbol to rtld_errno. * sysdeps/generic/errno.c [RTLD_PRIVATE_ERRNO] (rtld_errno): Define it, and don't define any other errno names. * sysdeps/unix/alpha/sysdep.h [RTLD_PRIVATE_ERRNO]: Use rtld_errno in place of errno. * sysdeps/unix/i386/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/x86_64/sysdep.S: Likewise.
124 lines
2.8 KiB
ArmAsm
124 lines
2.8 KiB
ArmAsm
/* Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <tls.h>
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/* The following code is only used in the shared library when we
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compile the reentrant version. Otherwise each system call defines
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each own version. */
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/* The syscall stubs jump here when they detect an error. */
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#undef CALL_MCOUNT
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#define CALL_MCOUNT
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.text
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ENTRY(__syscall_error)
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#ifndef PIC
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# if USE___THREAD
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# ifndef NOT_IN_libc
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# define SYSCALL_ERROR_ERRNO __libc_errno
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# else
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# define SYSCALL_ERROR_ERRNO errno
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# endif
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basr %r1,0
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0: lg %r1,1f-0b(%r1)
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ear %r3,%a0
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sllg %r3,%r3,32
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ear %r3,%a1
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lcr %r2,%r2
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st %r2,0(%r1,%r3)
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lghi %r2,-1
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br %r14
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1: .quad SYSCALL_ERROR_ERRNO@ntpoff
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# elif !defined _LIBC_REENTRANT
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larl %r1,errno
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# else
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stmg %r13,%r15,104(%r15)
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cfi_offset (%r15,-40)
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cfi_offset (%r14,-48)
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cfi_offset (%r13,-56)
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lgr %r0,%r15
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aghi %r15,-160
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cfi_adjust_cfa_offset (160)
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lcr %r13,%r2
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stg %r0,0(%r15)
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brasl %r14,__errno_location
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st %r13,0(%r2)
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lmg %r13,%r15,264(%r15)
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cfi_adjust_cfa_offset (-160)
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lghi %r2,-1
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br %r14
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#endif
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#else
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# if RTLD_PRIVATE_ERRNO
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larl %r1,rtld_errno
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# elif USE___THREAD
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# ifndef NOT_IN_libc
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# define SYSCALL_ERROR_ERRNO __libc_errno
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# else
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# define SYSCALL_ERROR_ERRNO errno
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# endif
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larl %r1,_GLOBAL_OFFSET_TABLE_
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lg %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1)
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ear %r3,%a0
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sllg %r3,%r3,32
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ear %r3,%a1
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lcr %r2,%r2
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st %r2,0(%r1,%r3)
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lghi %r2,-1
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br %r14
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# elif !defined _LIBC_REENTRANT
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larl %r1,_GLOBAL_OFFSET_TABLE_
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lg %r1,errno@GOT(%r1)
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# else
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stmg %r13,%r15,104(%r15)
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cfi_offset (%r15,-40)
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cfi_offset (%r14,-48)
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cfi_offset (%r13,-56)
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lgr %r0,%r15
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aghi %r15,-160
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cfi_adjust_cfa_offset (160)
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lcr %r13,%r2
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stg %r0,0(%r15)
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brasl %r14,__errno_location@PLT
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st %r13,0(%r2)
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lmg %r13,%r15,264(%r15)
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cfi_adjust_cfa_offset (-160)
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lghi %r2,-1
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br %r14
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# endif
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#endif
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END (__syscall_error)
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