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1998-04-02 Ulrich Drepper <drepper@cygnus.com> * stdlib/isomac.c: Use -isystem instead of -I for system include dir. 1998-03-30 08:05 H.J. Lu <hjl@gnu.org> * resolv/res_comp.c (underscorechar): New. (middlechar): Allow '_'. 1998-04-02 Ulrich Drepper <drepper@cygnus.com> * intl/explodename.c (stdlib.h): Include that file only if STDC_HEADERS or _LIBC. (string.h): Include that file only if HAVE_STRING_H or _LIBC. Patch by Philippe De Muyter <phdm@macqel.be>. 1998-04-01 21:08 Zack Weinberg <zack@rabi.phys.columbia.edu> * aclocal.m4 (AC_PROG_CC_LOCAL): Remove superfluous tests. (AC_PROG_CHECK_VER): New macro. * configure.in: Use AC_PROG_CHECK_VER to check versions of gcc, gmake, msgfmt, makeinfo. Remove superfluous tests. 1998-04-02 15:13 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/i686/sysdep.h: New file. * sysdeps/i386/i686/strtok.S: New file * sysdeps/i386/i686/strtok_r.S: New file 1998-04-02 Mark Kettenis <kettenis@phys.uva.nl> * posix/unistd.h: [__USE_FILE_OFFSET64] (lseek): Change return type to __off64_t. * libio/stdio.h [__USE_FILE_OFFSET64] (fseeko): Declare offset parameter as __off64_t instead of __off_t. (ftello): Make alias for ftello64 instead of ftello. Change return type to __off64_t. 1998-04-02 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/bits/string.h: Fix various typos. Patch by Horst von Brand <vonbrand@sleipnir.valparaiso.cl>. * sysdeps/unix/sysv/linux/getcwd.c: Use getcwd syscall in Linux 2.1.92. 1998-04-02 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/chown.c: Handle old kernels without lchown syscall correctly. [PR libc/541].
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper, <drepper@cygnus.com>, 1998.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _LINUX_I386_I686_SYSDEP_H
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#define _LINUX_I386_I686_SYSDEP_H 1
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/* There is some commonality. */
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#include <sysdeps/unix/sysv/linux/i386/sysdep.h>
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/* We define special versions of the error handler code to match the i686's
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deep branch prediction mechanism. */
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#ifdef PIC
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# undef SYSCALL_ERROR_HANDLER
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/* Store (- %eax) into errno through the GOT. */
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# ifdef _LIBC_REENTRANT
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# define SYSCALL_ERROR_HANDLER \
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.type syscall_error,@function; \
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0:movl (%esp),%ebx; \
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ret; \
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syscall_error: \
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pushl %ebx; \
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call 0b; \
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addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
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xorl %edx, %edx; \
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subl %eax, %edx; \
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pushl %edx; \
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call __errno_location@PLT; \
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popl %ecx; \
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popl %ebx; \
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movl %ecx, (%eax); \
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movl $-1, %eax; \
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jmp L(pseudo_end); \
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.size syscall_error,.-syscall_error;
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/* A quick note: it is assumed that the call to `__errno_location' does
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not modify the stack! */
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# else
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# define SYSCALL_ERROR_HANDLER \
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.type syscall_error,@function; \
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0:movl (%esp),%ecx; \
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ret; \
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syscall_error: \
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call 0b; \
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addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
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xorl %edx, %edx; \
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subl %eax, %edx; \
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movl errno@GOT(%ecx), %ecx; \
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movl %edx, (%ecx); \
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movl $-1, %eax; \
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jmp L(pseudo_end); \
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.size syscall_error,.-syscall_error;
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# endif /* _LIBC_REENTRANT */
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#endif /* PIC */
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#endif /* linux/i386/i686/sysdep.h */
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