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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
91 lines
2.5 KiB
ArmAsm
91 lines
2.5 KiB
ArmAsm
/* Copyright (C) 2001 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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/* Because the Linux version is in fact m68k/ELF and the start.? file
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for this system (sysdeps/m68k/elf/start.S) is also used by The Hurd
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and therefore this files must not contain the definition of the
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`errno' variable (I don't know why, ask Roland), we have to define
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it somewhere else.
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...and this place is here. */
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.bss
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.globl errno
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.type errno,@object
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.size errno,4
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errno:
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.space 4
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weak_alias (errno, _errno)
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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 _LIBC_REENTRANT
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lcr %r2,%r2
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larl %r1,errno
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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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lgr %r0,%r15
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aghi %r15,-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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lghi %r2,-1
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br %r14
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#endif
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#else
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#ifndef _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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lgr %r0,%r15
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aghi %r15,-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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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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