C++程序  |  82行  |  2.04 KB

/*
 *  Host code generation
 * 
 *  Copyright (c) 2003 Fabrice Bellard
 *
 * This 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 of the License, or (at your option) any later version.
 *
 * This 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>

#include "config.h"

enum {
#define DEF(s, n, copy_size) INDEX_op_ ## s,
#ifdef GEN_TRACE
#include "opc-trace.h"
#else
#include "opc.h"
#endif
#undef DEF
    NB_OPS,
};

#include "dyngen.h"
#ifdef GEN_TRACE
#define   dyngen_code   _trace_dyngen_code
#include "op-trace.h"
#else
#define   dyngen_code  _default_dyngen_code
#include "op.h"
#endif

typedef int (*dyngen_code_func)(uint8_t *gen_code_buf,
                uint16_t *label_offsets, uint16_t *jmp_offsets,
                const uint16_t *opc_buf, const uint32_t *opparam_buf, const long *gen_labels);

extern dyngen_code_func  _dyngen_code;

#ifdef GEN_TRACE

void  qemu_trace_enable_dyngen( void )
{
    _dyngen_code = dyngen_code;
}

#else

void  qemu_trace_disable_dyngen( void )
{
    _dyngen_code = dyngen_code;
}

dyngen_code_func  _dyngen_code = _default_dyngen_code;

#undef  dyngen_code

int dyngen_code(uint8_t *gen_code_buf,
                uint16_t *label_offsets, uint16_t *jmp_offsets,
                const uint16_t *opc_buf, const uint32_t *opparam_buf, const long *gen_labels)
{
    return (*_dyngen_code)(gen_code_buf, label_offsets, jmp_offsets, opc_buf, opparam_buf, gen_labels);
}

#endif