From 057c823fbef95bf0ddb2a33c109b82488390ecec Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 20 Dec 2002 07:20:48 +0000 Subject: Update. * sysdeps/unix/sysv/linux/i386/_exit.S: Use ENTER_KERNEL instead of int $0x80. * sysdeps/unix/sysv/linux/i386/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/i386/swapcontext.S: Likewise. --- nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h | 65 ++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i686') diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h new file mode 100644 index 0000000000..f0d4ac7a88 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h @@ -0,0 +1,65 @@ +/* System-specific settings for dynamic linker code. Generic version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _DL_SYSDEP_H +#define _DL_SYSDEP_H 1 + +/* This macro must be defined to either 0 or 1. + + If 1, then an errno global variable hidden in ld.so will work right with + all the errno-using libc code compiled for ld.so, and there is never a + need to share the errno location with libc. This is appropriate only if + all the libc functions that ld.so uses are called without PLT and always + get the versions linked into ld.so rather than the libc ones. */ + +#ifdef IS_IN_rtld +# define RTLD_PRIVATE_ERRNO 1 +#else +# define RTLD_PRIVATE_ERRNO 0 +#endif + +/* This configuration has in libc.so cancellable functions and other + functions which have to behave differently if the application uses + threads. It is not necessary that the thread library's definitions + are used. Therefore we can finally enabled the correct handling + of weak definitions in ld.so. See rtld.c. */ + +#define RTLD_CORRECT_DYNAMIC_WEAK 1 + + +/* Traditionally system calls have been made using int $0x80. A + second method was introduced which, if possible, will use the + sysenter/syscall instructions. To signal the presence and where to + find the code the kernel passes an AT_SYSINFO value in the + auxiliary vector to the application. */ +#define NEED_DL_SYSINFO 1 + +#if defined NEED_DL_SYSINFO && !defined __ASSEMBLER__ +extern void _dl_sysinfo_int80 (void) attribute_hidden; +# define DL_SYSINFO_DEFAULT _dl_sysinfo_int80 +# define DL_SYSINFO_IMPLEMENTATION \ + asm (".type _dl_sysinfo_int80,@function\n\t" \ + ".hidden _dl_sysinfo_int80\n" \ + "_dl_sysinfo_int80:\n\t" \ + "int $0x80;\n\t" \ + "ret;\n\t" \ + ".size _dl_sysinfo_int80,.-_dl_sysinfo_int80"); +#endif + +#endif /* dl-sysdep.h */ -- cgit 1.4.1