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author | Paolo Bonzini <bonzini@gnu.org> | 2004-05-24 10:50:45 +0000 |
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committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2004-05-24 10:50:45 +0000 |
commit | 4f4e53dd8517c0b2cbe36f0cf866f9f5ebe294e9 (patch) | |
tree | 5c68861b20c202df9c26dd8ebfaf794153accea0 /libcpp/system.h | |
parent | b1c5b5a09b545dabdd4a10d67f31d93779af95db (diff) | |
download | gcc-4f4e53dd8517c0b2cbe36f0cf866f9f5ebe294e9.zip gcc-4f4e53dd8517c0b2cbe36f0cf866f9f5ebe294e9.tar.gz gcc-4f4e53dd8517c0b2cbe36f0cf866f9f5ebe294e9.tar.bz2 |
Makefile.def (host_modules): add libcpp.
ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Makefile.def (host_modules): add libcpp.
* Makefile.tpl: Add dependencies on and for libcpp.
* Makefile.in: Regenerate.
* configure.in: Add libcpp host module.
* configure: Regenerate.
config/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
From gcc.
gcc/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
Move libcpp to the toplevel.
* Makefile.in: Remove references to libcpp files,
use CPPLIBS instead of libcpp.a. Define SYMTAB_H
and change hashtable.h to that.
* aclocal.m4 (gcc_AC_HEADER_STDBOOL,
gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
* configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
* configure: Regenerate.
* config.in: Regenerate.
* c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
* cppcharset.c: Removed.
* cpperror.c: Removed.
* cppexp.c: Removed.
* cppfiles.c: Removed.
* cpphash.c: Removed.
* cpphash.h: Removed.
* cppinit.c: Removed.
* cpplex.c: Removed.
* cpplib.c: Removed.
* cpplib.h: Removed.
* cppmacro.c: Removed.
* cpppch.c: Removed.
* cpptrad.c: Removed.
* cppucnid.h: Removed.
* cppucnid.pl: Removed.
* cppucnid.tab: Removed.
* hashtable.c: Removed.
* hashtable.h: Removed.
* line-map.c: Removed.
* line-map.h: Removed.
* mkdeps.c: Removed.
* mkdeps.h: Removed.
* stringpool.h: Include symtab.h instead of hashtable.h.
* tree.h: Include symtab.h instead of hashtable.h.
* system.h (O_NONBLOCK, O_NOCTTY): Do not define.
gcc/cp/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Make-lang.in: No need to specify $(LIBCPP).
gcc/java/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Make-lang.in: Link in $(LIBCPP) instead of mkdeps.o.
libcpp/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
Moved libcpp from the gcc subdirectory to the toplevel.
* Makefile.am: New file.
* Makefile.in: Regenerate.
* configure.ac: New file.
* configure: Regenerate.
* config.in: Regenerate.
* charset.c: Moved from gcc/cppcharset.c. Add note about
brokenness of input charset detection. Adjust for change
in name of cppucnid.h.
* errors.c: Moved from gcc/cpperror.c. Do not include intl.h.
* expr.c: Moved from gcc/cppexp.c.
* files.c: Moved from gcc/cppfiles.c. Do not include intl.h.
Remove #define of O_BINARY, it is in system.h.
* identifiers.c: Moved from gcc/cpphash.c.
* internal.h: Moved from gcc/cpphash.h. Change header
guard name. All other files adjusted to match name change.
* init.c: Moved from gcc/cppinit.c.
(init_library) [ENABLE_NLS]: Call bindtextdomain.
* lex.c: Moved from gcc/cpplex.c.
* directives.c: Moved from gcc/cpplib.c.
* macro.c: Moved from gcc/cppmacro.c.
* pch.c: Moved from gcc/cpppch.c. Do not include intl.h.
* traditional.c: Moved from gcc/cpptrad.c.
* ucnid.h: Moved from gcc/cppucnid.h. Change header
guard name.
* ucnid.pl: Moved from gcc/cppucnid.pl.
* ucnid.tab: Moved from gcc/cppucnid.tab. Change header
guard name.
* symtab.c: Moved from gcc/hashtable.c.
* line-map.c: Moved from gcc. Do not include intl.h.
* mkdeps.c: Moved from gcc.
* system.h: New file.
libcpp/include/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* cpplib.h: Moved from gcc. Change header guard name.
* line-map.h: Moved from gcc. Change header guard name.
* mkdeps.h: Moved from gcc. Change header guard name.
* symtab.h: Moved from gcc/hashtable.h. Change header
guard name.
libcpp/po/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* be.po: Extracted from gcc/po/be.po.
* ca.po: Extracted from gcc/po/ca.po.
* da.po: Extracted from gcc/po/da.po.
* de.po: Extracted from gcc/po/de.po.
* el.po: Extracted from gcc/po/el.po.
* es.po: Extracted from gcc/po/es.po.
* fr.po: Extracted from gcc/po/fr.po.
* ja.po: Extracted from gcc/po/ja.po.
* nl.po: Extracted from gcc/po/nl.po.
* sv.po: Extracted from gcc/po/sv.po.
* tr.po: Extracted from gcc/po/tr.po.
From-SVN: r82199
Diffstat (limited to 'libcpp/system.h')
-rw-r--r-- | libcpp/system.h | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/libcpp/system.h b/libcpp/system.h new file mode 100644 index 0000000..c432595 --- /dev/null +++ b/libcpp/system.h @@ -0,0 +1,363 @@ +/* Get common system includes and various definitions and declarations based + on autoconf macros. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. + +This file is part of libcpp (aka cpplib). + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +GCC 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 General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ + + +#ifndef LIBCPP_SYSTEM_H +#define LIBCPP_SYSTEM_H + +/* We must include stdarg.h before stdio.h. */ +#include <stdarg.h> + +#ifdef HAVE_STDDEF_H +# include <stddef.h> +#endif + +#include <stdio.h> + +/* Define a generic NULL if one hasn't already been defined. */ +#ifndef NULL +#define NULL 0 +#endif + +/* The compiler is not a multi-threaded application and therefore we + do not have to use the locking functions. In fact, using the locking + functions can cause the compiler to be significantly slower under + I/O bound conditions (such as -g -O0 on very large source files). + + HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio + code is multi-thread safe by default. If it is set to 0, then do + not worry about using the _unlocked functions. + + fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are + extensions and need to be prototyped by hand (since we do not + define _GNU_SOURCE). */ + +#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED + +# ifdef HAVE_PUTC_UNLOCKED +# undef putc +# define putc(C, Stream) putc_unlocked (C, Stream) +# endif +# ifdef HAVE_FPUTC_UNLOCKED +# undef fputc +# define fputc(C, Stream) fputc_unlocked (C, Stream) +# endif + +# ifdef HAVE_FPUTS_UNLOCKED +# undef fputs +# define fputs(String, Stream) fputs_unlocked (String, Stream) +# if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED +extern int fputs_unlocked (const char *, FILE *); +# endif +# endif +# ifdef HAVE_FWRITE_UNLOCKED +# undef fwrite +# define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream) +# if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED +extern int fwrite_unlocked (const void *, size_t, size_t, FILE *); +# endif +# endif +# ifdef HAVE_FPRINTF_UNLOCKED +# undef fprintf +/* We can't use a function-like macro here because we don't know if + we have varargs macros. */ +# define fprintf fprintf_unlocked +# if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED +extern int fprintf_unlocked (FILE *, const char *, ...); +# endif +# endif + +#endif + +/* ??? Glibc's fwrite/fread_unlocked macros cause + "warning: signed and unsigned type in conditional expression". */ +#undef fread_unlocked +#undef fwrite_unlocked + +#include <sys/types.h> +#include <errno.h> + +#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO +extern int errno; +#endif + +/* Some of glibc's string inlines cause warnings. Plus we'd rather + rely on (and therefore test) GCC's string builtins. */ +#define __NO_STRING_INLINES + +#ifdef STRING_WITH_STRINGS +# include <string.h> +# include <strings.h> +#else +# ifdef HAVE_STRING_H +# include <string.h> +# else +# ifdef HAVE_STRINGS_H +# include <strings.h> +# endif +# endif +#endif + +#ifdef HAVE_STDLIB_H +# include <stdlib.h> +#endif + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#if HAVE_LIMITS_H +# include <limits.h> +#endif + +/* Infrastructure for defining missing _MAX and _MIN macros. Note that + macros defined with these cannot be used in #if. */ + +/* The extra casts work around common compiler bugs. */ +#define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1)) +/* The outer cast is needed to work around a bug in Cray C 5.0.3.0. + It is necessary at least when t == time_t. */ +#define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0)) +#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t))) + +/* Use that infrastructure to provide a few constants. */ +#ifndef UCHAR_MAX +# define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char) +#endif + +#ifdef TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# ifdef HAVE_TIME_H +# include <time.h> +# endif +# endif +#endif + +#ifdef HAVE_FCNTL_H +# include <fcntl.h> +#else +# ifdef HAVE_SYS_FILE_H +# include <sys/file.h> +# endif +#endif + +#ifdef HAVE_LOCALE_H +# include <locale.h> +#endif + +#ifdef HAVE_LANGINFO_CODESET +# include <langinfo.h> +#endif + +#ifndef HAVE_SETLOCALE +# define setlocale(category, locale) (locale) +#endif + +#ifdef ENABLE_NLS +#include <libintl.h> +#else +/* Stubs. */ +# undef dgettext +# define dgettext(msgid) (msgid) +#endif + +#ifndef _ +# define _(msgid) dgettext (PACKAGE, msgid) +#endif + +#ifndef N_ +# define N_(msgid) msgid +#endif + +/* Some systems define these in, e.g., param.h. We undefine these names + here to avoid the warnings. We prefer to use our definitions since we + know they are correct. */ + +#undef MIN +#undef MAX +#define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) +#define MAX(X,Y) ((X) > (Y) ? (X) : (Y)) + +/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they + are defined to 0 then we must provide the relevant declaration + here. These checks will be in the undefined state while configure + is running so be careful to test "defined (HAVE_DECL_*)". */ + +#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT +extern void abort (void); +#endif + +#if HAVE_SYS_STAT_H +# include <sys/stat.h> +#endif + +/* Test if something is a normal file. */ +#ifndef S_ISREG +#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) +#endif + +/* Test if something is a directory. */ +#ifndef S_ISDIR +#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) +#endif + +/* Test if something is a character special file. */ +#ifndef S_ISCHR +#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) +#endif + +/* Test if something is a block special file. */ +#ifndef S_ISBLK +#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) +#endif + +/* Test if something is a socket. */ +#ifndef S_ISSOCK +# ifdef S_IFSOCK +# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) +# else +# define S_ISSOCK(m) 0 +# endif +#endif + +/* Test if something is a FIFO. */ +#ifndef S_ISFIFO +# ifdef S_IFIFO +# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) +# else +# define S_ISFIFO(m) 0 +# endif +#endif + +/* Approximate O_NOCTTY and O_BINARY. */ +#ifndef O_NOCTTY +#define O_NOCTTY 0 +#endif +#ifndef O_BINARY +# define O_BINARY 0 +#endif + +/* Filename handling macros. */ +#include "filenames.h" + +/* Get libiberty declarations. */ +#include "libiberty.h" +#include "safe-ctype.h" + +/* 1 if we have C99 designated initializers. */ +#if !defined(HAVE_DESIGNATED_INITIALIZERS) +#define HAVE_DESIGNATED_INITIALIZERS \ + ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) +#endif + +/* 1 if we have _Bool. */ +#ifndef HAVE__BOOL +# define HAVE__BOOL \ + ((GCC_VERSION >= 3000) || (__STDC_VERSION__ >= 199901L)) +#endif + + +/* Be conservative and only use enum bitfields with GCC. + FIXME: provide a complete autoconf test for buggy enum bitfields. */ + +#if (GCC_VERSION > 2000) +#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE +#else +#define ENUM_BITFIELD(TYPE) unsigned int +#endif + +/* We only use bool bitfields with gcc3. Some supposedly C99 + compilers don't handle them correctly. */ +#if (GCC_VERSION >= 3000) +#define BOOL_BITFIELD _Bool +#else +#define BOOL_BITFIELD unsigned int +#endif + +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) +#endif + +/* __builtin_expect(A, B) evaluates to A, but notifies the compiler that + the most likely value of A is B. This feature was added at some point + between 2.95 and 3.0. Let's use 3.0 as the lower bound for now. */ +#if (GCC_VERSION < 3000) +#define __builtin_expect(a, b) (a) +#endif + +/* Provide some sort of boolean type. We use stdbool.h if it's + available. This must be after all inclusion of system headers, + as some of them will mess us up. */ +#undef bool +#undef true +#undef false +#undef TRUE +#undef FALSE + +#ifdef HAVE_STDBOOL_H +# include <stdbool.h> +#else +# if !HAVE__BOOL +typedef char _Bool; +# endif +# define bool _Bool +# define true 1 +# define false 0 +#endif + +#if (GCC_VERSION >= 3000) +#undef calloc +#undef strdup +#undef malloc +#undef realloc + #pragma GCC poison calloc strdup + #pragma GCC poison malloc realloc + +/* Libiberty macros that are no longer used in GCC. */ +#undef ANSI_PROTOTYPES +#undef PTR_CONST +#undef LONG_DOUBLE +#undef VPARAMS +#undef VA_OPEN +#undef VA_FIXEDARG +#undef VA_CLOSE +#undef VA_START + #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \ + VA_FIXEDARG VA_CLOSE VA_START + +/* Note: not all uses of the `index' token (e.g. variable names and + structure members) have been eliminated. */ +#undef bcopy +#undef bzero +#undef bcmp +#undef rindex + #pragma GCC poison bcopy bzero bcmp rindex + +#endif /* GCC >= 3.0 */ + +#endif /* ! LIBCPP_SYSTEM_H */ |