source/mupen64plus-core/src/r4300/recomp.h

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus - recomp.h                                                *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2002 Hacktarux                                          *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  20  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  21
  22 #ifndef RECOMP_H
  23 #define RECOMP_H
  24
  25 #include <stddef.h>
  26 #if defined(__x86_64__)
  27   #include "x86_64/assemble_struct.h"
  28 #else
  29   #include "x86/assemble_struct.h"
  30 #endif
  31
  32 typedef struct _precomp_instr
  33 {
  34    void (*ops)(void);
  35    union
  36      {
  37     struct
  38       {
  39          long long int *rs;
  40          long long int *rt;
  41          short immediate;
  42       } i;
  43     struct
  44       {
  45          unsigned int inst_index;
  46       } j;
  47     struct
  48       {
  49          long long int *rs;
  50          long long int *rt;
  51          long long int *rd;
  52          unsigned char sa;
  53          unsigned char nrd;
  54       } r;
  55     struct
  56       {
  57          unsigned char base;
  58          unsigned char ft;
  59          short offset;
  60       } lf;
  61     struct
  62       {
  63          unsigned char ft;
  64          unsigned char fs;
  65          unsigned char fd;
  66       } cf;
  67      } f;
  68    unsigned int addr; /* word-aligned instruction address in r4300 address space */
  69    unsigned int local_addr; /* byte offset to start of corresponding x86_64 instructions, from start of code block */
  70    reg_cache_struct reg_cache_infos;
  71 } precomp_instr;
  72
  73 typedef struct _precomp_block
  74 {
  75    precomp_instr *block;
  76    unsigned int start;
  77    unsigned int end;
  78    unsigned char *code;
  79    unsigned int code_length;
  80    unsigned int max_code_length;
  81    void *jumps_table;
  82    int jumps_number;
  83    void *riprel_table;
  84    int riprel_number;
  85    //unsigned char md5[16];
  86    unsigned int adler32;
  87 } precomp_block;
  88
  89 void recompile_block(int *source, precomp_block *block, unsigned int func);
  90 void init_block(precomp_block *block);
  91 void free_block(precomp_block *block);
  92 void recompile_opcode(void);
  93 void prefetch_opcode(unsigned int op, unsigned int nextop);
  94 void dyna_jump(void);
  95 void dyna_start(void *code);
  96 void dyna_stop(void);
  97 void *realloc_exec(void *ptr, size_t oldsize, size_t newsize);
  98
  99 extern precomp_instr *dst; /* precomp_instr structure for instruction being recompiled */
 100
 101 #if defined(__x86_64__)
 102   #include "x86_64/assemble.h"
 103   #include "x86_64/regcache.h"
 104 #else
 105   #include "x86/assemble.h"
 106   #include "x86/regcache.h"
 107 #endif
 108
 109 #endif
 110