gambas-source-code/main/share/gb_common.h
Benoît Minisini 2df008159f [INTERPRETER]
* NEW: The LIKELY() and UNLIKELY() macros do nothing now, as it seems that
  recent CPUs are better than humans for branch prediction.
* BUG: Error.Backtrace is accurate now.


git-svn-id: svn://localhost/gambas/trunk@4066 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2011-08-31 02:28:48 +00:00

175 lines
4.3 KiB
C

/***************************************************************************
gb_common.h
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#ifndef __GB_COMMON_H
#define __GB_COMMON_H
#include "config.h"
#ifdef _GNU_SOURCE
#undef _GNU_SOURCE
#endif
#define _GNU_SOURCE 500
#define _FILE_OFFSET_BITS 64
#include <math.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stddef.h>
#include <stdint.h>
#include <inttypes.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <limits.h>
#ifdef OS_MACOSX
#define OS_FREEBSD
#endif
#if defined(__GNU_LIBRARY__) || defined(OS_FREEBSD)
#include <getopt.h>
#define HAVE_GETOPT_LONG 1
#endif
#if defined(OS_CYGWIN)
typedef void (*sighandler_t) (int);
typedef unsigned long ulong;
#endif
#if defined(OS_FREEBSD) || defined(OS_OPENBSD)
/* sighandler_t is replaced by sig_t */
#define sighandler_t sig_t
typedef unsigned long ulong;
#if (defined(__amd64__) || defined(__ia64__) || defined(__sparc64__))
#define __WORDSIZE 64
#endif
#endif
#ifdef OS_SOLARIS
/* PGS: The following #define prevents /usr/include/sys/mman.h on solaris
from #define'ing PRIVATE to 0x20, thus breaking Gambas.
Perhaps Gambas should use a different name?
BM: I don't use PRIVATE anymore!
*/
#ifdef _POSIX_C_SOURCE
/* PGS: Stop compiler warnings when gcc on solaris does remember to define
_POSIX_C_SOURCE, e.g. when compiling qt related files. */
#undef _POSIX_C_SOURCE
#endif
#define _POSIX_C_SOURCE 3
/* Get prototype for alloca() */
#include <alloca.h>
/* Get definition for index() */
#include <strings.h>
#endif
#ifdef OS_MACOSX
#include <stdbool.h>
#undef bool
#endif
#if !defined(__cplusplus)
#ifndef FALSE
enum
{
FALSE = 0,
TRUE = 1
};
#endif
#define bool char
#endif
typedef
unsigned char uchar;
typedef
size_t offset_t;
#define PUBLIC
#define INLINE __inline__
#define EXTERN extern
#define PACKED __attribute__((packed))
#define NORETURN __attribute__((noreturn))
#define CONST __attribute__((const))
#if __WORDSIZE == 64
#define OS_64BITS 1
#endif
#ifndef LLONG_MAX
#define LLONG_MAX 9223372036854775807LL
#endif
#define CLEAR(s) (memset(s, 0, sizeof(*s)))
/* Workaround spurious gcc warnings */
#define NO_WARNING(var) var = var
#ifndef offsetof
#define offsetof(_type, _arg) ((size_t)&(((_type *)0)->_arg))
#endif
#define Max(a, b) ({ int _a = (a), _b = (b); _a > _b ? _a : _b; })
#define Min(a, b) ({ int _a = (a), _b = (b); _a < _b ? _a : _b; })
#define MinMax(v, a, b) ({ int _v = (v), _a = (a), _b = (b); _v < _a ? _a : (_v > _b ? _b : _v); })
#if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) && __GNUC__ >= 2
# define BREAKPOINT() { __asm__ __volatile__ ("int $03"); }
#elif (defined (_MSC_VER) || defined (__DMC__)) && defined (_M_IX86)
# define BREAKPOINT() { __asm int 3h }G_STMT_END
#elif defined (__alpha__) && !defined(__osf__) && defined (__GNUC__) && __GNUC__ >= 2
# define BREAKPOINT() { __asm__ __volatile__ ("bpt"); }
#else /* !__i386__ && !__alpha__ */
# define BREAKPOINT() { raise (SIGTRAP); }
#endif /* __i386__ */
#define COPYRIGHT "(c) 2000-2011 Benoît Minisini\n\n" \
"This program is free software; you can redistribute it and/or \n" \
"modify it under the terms of the GNU General Public License as \n" \
"published by the Free Software Foundation; either version 2, or \n" \
"(at your option) any later version.\n\n"
//#define LIKELY(_x) __builtin_expect((_x), 1)
//#define UNLIKELY(_x) __builtin_expect((_x), 0)
#define LIKELY(_x) (_x)
#define UNLIKELY(_x) (_x)
#endif /* __COMMON_H */