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76 lines
1.9 KiB
ArmAsm
76 lines
1.9 KiB
ArmAsm
/* Copyright (C) 2001, 2002, 2003, 2004, 2011 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, see
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<http://www.gnu.org/licenses/>. */
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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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# 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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#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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# else
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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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# endif
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#endif
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END (__syscall_error)
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