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Viewing changes to ports/sysdeps/unix/mips/mips64/n32/sysdep.h

  • Committer: Bazaar Package Importer
  • Author(s): Aurelien Jarno
  • Date: 2009-05-05 09:54:14 UTC
  • Revision ID: james.westby@ubuntu.com-20090505095414-c45qsg9ixjheohru
Import upstream version 2.9

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ports/sysdeps/unix/mips/mips64/n32/sysdep.h
 
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/* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
 
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        Free Software Foundation, Inc.
 
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   This file is part of the GNU C Library.
 
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   Contributed by Alexandre Oliva <aoliva@redhat.com>.
 
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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 <sysdeps/unix/mips/sysdep.h>
 
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#ifdef __ASSEMBLER__
 
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/* Note that while it's better structurally, going back to call __syscall_error
 
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   can make things confusing if you're debugging---it looks like it's jumping
 
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   backwards into the previous fn.  */
 
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#ifdef __PIC__
 
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#define PSEUDO(name, syscall_name, args) \
 
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  .align 2;                                                                   \
 
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  99:;                                                                        \
 
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  .set noat;                                                                  \
 
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  .cpsetup t9, $1, name;                                                      \
 
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  .set at;                                                                    \
 
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  la t9,__syscall_error;                                                      \
 
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  .cpreturn;                                                                  \
 
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  jr t9;                                                                      \
 
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  ENTRY(name)                                                                 \
 
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  li v0, SYS_ify(syscall_name);                                               \
 
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  syscall;                                                                    \
 
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  bne a3, zero, 99b;                                                          \
 
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L(syse1):
 
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#else
 
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#define PSEUDO(name, syscall_name, args) \
 
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  .set noreorder;                                                             \
 
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  .align 2;                                                                   \
 
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  99: j __syscall_error;                                                      \
 
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  ENTRY(name)                                                                 \
 
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  .set noreorder;                                                             \
 
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  li v0, SYS_ify(syscall_name);                                               \
 
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  syscall;                                                                    \
 
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  .set reorder;                                                               \
 
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  bne a3, zero, 99b;                                                          \
 
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L(syse1):
 
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#endif
 
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#endif