misc.h

这个是LINUX下的GDB调度工具的源码

/* The IGEN simulator generator for GDB, the GNU Debugger.

   Copyright 2002 Free Software Foundation, Inc.

   Contributed by Andrew Cagney.

   This file is part of GDB.

   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 of the License, 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */



/* Frustrating header junk */

#include "config.h"


enum
{
  default_insn_bit_size = 32,
  max_insn_bit_size = 64,
};


/* Define a 64bit data type */

#if defined __GNUC__ || defined _WIN32
#ifdef __GNUC__

typedef long long signed64;
typedef unsigned long long unsigned64;

#else /* _WIN32 */

typedef __int64 signed64;
typedef unsigned __int64 unsigned64;

#endif /* _WIN32 */
#else /* Not GNUC or WIN32 */
/* Not supported */
#endif


#include <stdio.h>
#include <ctype.h>

#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
#define __attribute__(arg)
#endif



#include "filter_host.h"

typedef struct _line_ref line_ref;
struct _line_ref
{
  const char *file_name;
  int line_nr;
};

/* Error appends a new line, warning and notify do not */
typedef void error_func (const line_ref *line, char *msg, ...);

extern error_func error;
extern error_func warning;
extern error_func notify;


#define ERROR(EXPRESSION) \
do { \
  line_ref line; \
  line.file_name = filter_filename (__FILE__); \
  line.line_nr = __LINE__; \
  error (&line, EXPRESSION); \
} while (0)

#define ASSERT(EXPRESSION) \
do { \
  if (!(EXPRESSION)) { \
    line_ref line; \
    line.file_name = filter_filename (__FILE__); \
    line.line_nr = __LINE__; \
    error(&line, "assertion failed - %s\n", #EXPRESSION); \
  } \
} while (0)

#define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
#define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
#if 0
#define STRDUP(STRING) (strcpy (zalloc (strlen (STRING) + 1), (STRING)))
#define STRNDUP(STRING,LEN) (strncpy (zalloc ((LEN) + 1), (STRING), (LEN)))
#endif

extern void *zalloc (long size);

extern unsigned target_a2i (int ms_bit_nr, const char *a);

extern unsigned i2target (int ms_bit_nr, unsigned bit);

extern unsigned long long a2i (const char *a);


/* Try looking for name in the map table (returning the corresponding
   integer value).

   If the the sentinal (NAME == NULL) its value if >= zero is returned
   as the default. */

typedef struct _name_map
{
  const char *name;
  int i;
}
name_map;

extern int name2i (const char *name, const name_map * map);

extern const char *i2name (const int i, const name_map * map);