jitc.c

   1 #include "osecpu.h"
   2
   3 #define JITC_ERR_MASK                   255
   4 #define JITC_ERR_PHASE0ONLY             256
   5 #define JITC_ERR_REGNUM                 (1 | JITC_ERR_PHASE0ONLY)
   6 #define JITC_ERR_DST1                   (2 | JITC_ERR_PHASE0ONLY)
   7 #define JITC_ERR_OPECODE                (3 | JITC_ERR_PHASE0ONLY)
   8 #define JITC_ERR_LABELNUM               (4 | JITC_ERR_PHASE0ONLY)
   9 #define JITC_ERR_LABELREDEF             (5 | JITC_ERR_PHASE0ONLY)
  10 #define JITC_ERR_PREFIX                 (6 | JITC_ERR_PHASE0ONLY)
  11 #define JITC_ERR_LABELNODEF             7
  12 #define JITC_ERR_LABELTYP               8
  13 #define JITC_ERR_IDIOM                  9
  14 #define JITC_ERR_PREGNUM                (10 | JITC_ERR_PHASE0ONLY)
  15 #define JITC_ERR_SRC1                   (11 | JITC_ERR_PHASE0ONLY)
  16 #define JITC_ERR_BADTYPE                (12 | JITC_ERR_PHASE0ONLY)
  17 #define JITC_ERR_PREFIXFAR              (13 | JITC_ERR_PHASE0ONLY)
  18 #define JITC_ERR_INTERNAL               99
  19
  20 void errorHandler(struct Regs *r)
  21 {
  22         puts("security error! abort...");
  23         printf("debugInfo0=%d, debugInfo1=%d\n", r->debugInfo0, r->debugInfo1);
  24 #if (USE_DEBUGGER != 0)
  25         dbgrMain(r);
  26 #endif
  27         exit(1);
  28 }
  29
  30 int jitCompCmdLen(const unsigned char *src)
  31 {
  32         int i = 1;
  33         if (0x01 <= *src && *src < 0x04) i = 6;
  34         if (*src == 0x04) i = 2;
  35         if (0x08 <= *src && *src < 0x0d) i = 8 + src[7] * 4;
  36         if (0x0e <= *src && *src < 0x10) i = 8;
  37         if (0x10 <= *src && *src < 0x2e) i = 4;
  38         if (0x1c <= *src && *src < 0x1f) i = 3;
  39         if (*src == 0x1f) i = 11;
  40         if (*src == 0x2f) i = 4 + src[1];
  41         if (0x30 <= *src && *src <= 0x33) i = 4;
  42         if (0x3c <= *src && *src <= 0x3d) i = 7;
  43         if (*src == 0xfe) i = 2 + src[1];
  44         return i;
  45 }
  46 #if (JITC_ARCNUM == 0x0001)     /* x86-32bit */
  47
  48 /* 他のCPUへ移植する人へ:
  49 以下は最適化のためのものなので、すべて0として簡単に移植しても問題ありません */
  50 #define jitCompA0001_USE_R3F_CMPJMP             1*1
  51 #define jitCompA0001_USE_R3F_IMM32              1*1
  52 #define jitCompA0001_USE_R3F_IMM8               1*1
  53 #define jitCompA0001_USE_R3F_INCDEC             1*1
  54 #define jitCompA0001_OPTIMIZE_JMP               1*1
  55 #define jitCompA0001_OPTIMIZE_MOV               1*1     /* 1にすると速度低下する？ */
  56 #define jitCompA0001_OPTIMIZE_CMP               1*1
  57 #define jitCompA0001_OPTIMIZE_ALIGN             4*1     /* 0-8を想定 */
  58 #define jitCompA0001_EBP128                             128*1
  59
  60 struct JitCompWork {
  61         unsigned char *dst, *dst0;
  62         int err, maxLabels;
  63 #if (jitCompA0001_USE_R3F_IMM32 != 0)
  64         int r3f;
  65 #endif
  66         char prefix;    //CND命令の値を記録(初期値=0)
  67 };
  68
  69 #define jitCompPutByte1(p, c0)                          *p++ = c0
  70 #define jitCompPutByte2(p, c0, c1)                      *p++ = c0; *p++ = c1
  71 #define jitCompPutByte3(p, c0, c1, c2)          *p++ = c0; *p++ = c1; *p++ = c2
  72 #define jitCompPutByte4(p, c0, c1, c2, c3)      *p++ = c0; *p++ = c1; *p++ = c2; *p++ = c3
  73
  74 static void jitCompPutImm32(struct JitCompWork *w, int i)
  75 {
  76         jitCompPutByte1(w->dst, i & 0xff);
  77         jitCompPutByte1(w->dst, (i >> 8) & 0xff);
  78         jitCompPutByte1(w->dst, (i >> 16) & 0xff);
  79         jitCompPutByte1(w->dst, (i >> 24) & 0xff);
  80         return;
  81 }
  82
  83 int jitCompGetImm32(const unsigned char *src)
  84 {
  85         return (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];
  86 }
  87
  88 int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src)
  89 {
  90         int i = jitCompGetImm32(src);
  91         if (i < 0 || i >= w->maxLabels) {
  92                 w->err = JITC_ERR_LABELNUM;
  93                 i = 0;
  94         }
  95         return i;
  96 }
  97
  98 void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n)
  99 {
 100         disp -= jitCompA0001_EBP128;
 101         if (-128 <= disp && disp <= 127) {
 102                 jitCompPutByte2(w->dst, 0x45 | (n << 3), disp & 0xff);
 103         }
 104         else {
 105                 jitCompPutByte1(w->dst, 0x85 | (n << 3));
 106                 jitCompPutImm32(w, disp);
 107         }
 108         return;
 109 }
 110
 111 void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32)
 112 {
 113         jitCompPutByte1(w->dst, 0x89); /* MOV(mem, reg32); */
 114         jitCompA0001_85DispN(w, disp, reg32);
 115         return;
 116 }
 117
 118 void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp)
 119 {
 120         jitCompPutByte1(w->dst, 0x8b); /* MOV(reg32, mem); */
 121         jitCompA0001_85DispN(w, disp, reg32);
 122         return;
 123 }
 124
 125 void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx)
 126 {
 127 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 128         if (rxx == 0x3f) {
 129                 jitCompPutByte1(w->dst, 0xb8); /* MOV(EAX, ?); */
 130                 jitCompPutImm32(w, w->r3f);
 131                 return;
 132         }
 133 #endif
 134         if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
 135         jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, rxx * 4); /* MOV(EAX, [EBP+?]); */
 136         return;
 137 }
 138
 139 void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx)
 140 {
 141         if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
 142         jitCompA0001_movEbpDispReg32(w, rxx * 4, 0 /* EAX */); /* MOV([EBP+?], EAX); */
 143         return;
 144 }
 145
 146 void jitCompA0001_fixPrefix(struct JitCompWork *w)
 147 {
 148         if (w->prefix != 0) {
 149                 if (w->dst - w->dst0 > 127) w->err = JITC_ERR_REGNUM;
 150                 w->dst0[-1] = (unsigned char)((w->dst - w->dst0) & 0xff);
 151         }
 152         return;
 153 }
 154
 155 void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1)
 156 {
 157         if (p0 >= 0x3f || p0 < 0) w->err = JITC_ERR_PREGNUM;
 158         if (p1 >= 0x3f || p1 < 0) w->err = JITC_ERR_PREGNUM;
 159         /* 比較可能可能なのかのチェックのコードを出力 */   /* 未完成 */
 160         return;
 161 }
 162
 163 void jitCompA000_loadRegCacheAll(struct JitCompWork *w)
 164 {
 165         jitCompA0001_movReg32EbpDisp(w, 3 /* EBX */, 0 * 4); /* EBX = R00; */
 166         jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
 167         jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
 168         return;
 169 }
 170
 171 void jitCompA000_storeRegCacheAll(struct JitCompWork *w)
 172 {
 173         jitCompA0001_movEbpDispReg32(w, 0 * 4, 3 /* EBX */); /* R00 = EBX; */
 174         jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
 175         jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
 176         return;
 177 }
 178
 179 void jitCompA000_loadRegCacheEcx(struct JitCompWork *w)
 180 {
 181         jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
 182         return;
 183 }
 184
 185 void jitCompA000_storeRegCacheEcx(struct JitCompWork *w)
 186 {
 187         jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
 188         return;
 189 }
 190
 191 void jitCompA000_loadRegCacheEdx(struct JitCompWork *w)
 192 {
 193         jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
 194         return;
 195 }
 196
 197 void jitCompA000_storeRegCacheEdx(struct JitCompWork *w)
 198 {
 199         jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
 200         return;
 201 }
 202
 203 int jitCompA000_selectRegCache(int rxx, int reg)
 204 {
 205         if (rxx == 0) reg = 3; /* EBX */
 206         if (rxx == 1) reg = 1; /* ECX */
 207         if (rxx == 2) reg = 2; /* EDX */
 208         return reg;
 209 }
 210
 211 void jitCompA000_loadPRegCacheAll(struct JitCompWork *w)
 212 {
 213         //      jitCompA0001_movReg32EbpDisp(w, 5 /* EBP */, 256 + 0 * 32 + 0); /* EBP = P00; */
 214         jitCompA0001_movReg32EbpDisp(w, 6 /* ESI */, 256 + 1 * 32 + 0); /* ESI = P01; */
 215         jitCompA0001_movReg32EbpDisp(w, 7 /* EDI */, 256 + 2 * 32 + 0); /* EDI = P02; */
 216         return;
 217 }
 218
 219 void jitCompA000_storePRegCacheAll(struct JitCompWork *w)
 220 {
 221         //      jitCompA0001_movEbpDispReg32(w, 256 + 0 * 32 + 0, 5 /* EBP */); /* P00 = EBP; */
 222         jitCompA0001_movEbpDispReg32(w, 256 + 1 * 32 + 0, 6 /* ESI */); /* P01 = ESI; */
 223         jitCompA0001_movEbpDispReg32(w, 256 + 2 * 32 + 0, 7 /* EDI */); /* P02 = EDI; */
 224         return;
 225 }
 226
 227 int jitCompA000_selectPRegCache(int pxx, int reg)
 228 {
 229         //      if (pxx == 0) reg = 5; /* EBP */
 230         if (pxx == 1) reg = 6; /* ESI */
 231         if (pxx == 2) reg = 7; /* EDI */
 232         return reg;
 233 }
 234
 235 int jitCompA000_convTyp(int t)
 236 {
 237         int r = -1;
 238         if (1 <= t && t <= 7) r = t;
 239         if (8 <= t && t <= 13) r = 2 | (t & 1);
 240         if (14 <= t && t <= 15) r = 4 | (t & 1);
 241         if (16 <= t && t <= 21) r = 6 | (t & 1);
 242         return r;
 243 }
 244
 245 int jitCompA000_dataWidth(int t)
 246 {
 247         int r = -1;
 248         if (t == 0x0001) r = 256;
 249         t >>= 1;
 250         if (t == 0x0002 / 2) r = 8;
 251         if (t == 0x0004 / 2) r = 16;
 252         if (t == 0x0006 / 2) r = 32;
 253         if (t == 0x0008 / 2) r = 4;
 254         if (t == 0x000a / 2) r = 2;
 255         if (t == 0x000c / 2) r = 1;
 256         if (t == 0x000e / 2) r = 12;
 257         if (t == 0x0010 / 2) r = 20;
 258         if (t == 0x0012 / 2) r = 24;
 259         if (t == 0x0014 / 2) r = 28;
 260         return r;
 261 }
 262
 263 static unsigned char *errfnc;
 264
 265 void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac)
 266 {
 267         if (typ <= 0) { w->err = JITC_ERR_BADTYPE; }
 268         if (typ > 0x7f) { w->err = JITC_ERR_INTERNAL; }
 269         jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, 256 + pxx * 32 + 4); /* MOV(EAX, [EBP+?]); */      /* typ */
 270         jitCompPutByte3(w->dst, 0x83, 0xf8, typ & 0x7f);        /* CMP(EAX, ?); */
 271         jitCompPutByte2(w->dst, 0x0f, 0x85); /* JNE */
 272         jitCompPutImm32(w, errfnc - (w->dst + 4));
 273         return;
 274 }
 275
 276 void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac)
 277 // data用.
 278 // 将来的にはaliveやアクセス権チェックも入れる
 279 {
 280         jitCompA0001_checkType0(w, pxx, typ, ac);
 281         return;
 282 }
 283
 284 void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx)
 285 {
 286         jitCompPutByte1(w->dst, 0x3b);  /* CMP(reg, [EBP+?]); */
 287         jitCompA0001_85DispN(w, 256 + pxx * 32 + 8, reg);       /* p0 */
 288         jitCompPutByte2(w->dst, 0x0f, 0x82); /* JB */
 289         jitCompPutImm32(w, errfnc - (w->dst + 4));
 290         jitCompPutByte1(w->dst, 0x3b);  /* CMP(reg, [EBP+?]); */
 291         jitCompA0001_85DispN(w, 256 + pxx * 32 + 12, reg);      /* p1 */
 292         jitCompPutByte2(w->dst, 0x0f, 0x83); /* JAE */
 293         jitCompPutImm32(w, errfnc - (w->dst + 4));
 294         return;
 295 }
 296
 297 void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
 298 void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
 299 void funcf4(char *ebp, int pxx, int typ, int len);
 300 void funcf5(char *ebp, int pxx, int typ, int len); // pxxはダミーで参照されない.
 301 void funcf6(char *ebp, int pxx, int typ, int len);
 302 void funcf7(char *ebp, int pxx, int typ, int len); // typとlenはダミーで参照されない.
 303 // F5の場合、decoderが対応するalloc-freeを結びつけるのが簡単で、typやlenを指定必須にしてもフロントエンドコードに影響はない.
 304
 305 void errHndl(struct Regs *r);
 306
 307 /*
 308  * dst : 現在の書き込みアドレス。
 309  * dst1 : 書き込みアドレスの最大値
 310  * src : 現在の読み込みアドレス(ヘッダ部は飛ばしてある
 311  * src1 : 読み込みアドレスの最大値
 312  * src0 : 読み込みバイナリのアドレス
 313  */
 314 int jitCompiler(unsigned char *dst, unsigned char *dst1, const unsigned char *src, const unsigned char *src1, const unsigned char *src0, struct LabelTable *label, int maxLabels, int level, int debugInfo1, int flags)
 315 /* IA-32用 */
 316 /* 本来ならこのレイヤでは文法チェックしない */
 317 {
 318         struct JitCompWork w;
 319         unsigned char *dst00 = dst, *enter0 = NULL, *tmp_ucp;
 320     char *errmsg = "";
 321         const unsigned char *oldsrc;
 322         int timecount = 0, i, j = 0, lastlabel = -1, debugInfo0 = -1;
 323         int reg0, reg1, reg2, cmp0reg = -1, cmp0lev = 0;
 324         w.dst = w.dst0 = dst;
 325         w.err = 0;
 326         w.maxLabels = maxLabels;
 327
 328         if ((flags & JITC_NOSTARTUP) == 0) {
 329                 jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
 330                 jitCompA000_loadRegCacheAll(&w); /* start-up */
 331                 jitCompA000_loadPRegCacheAll(&w);
 332         }
 333         if (level <= JITC_LV_SLOWER) {
 334                 jitCompPutByte2(w.dst, 0x31, 0xc0);     /* XOR(EAX, EAX); */
 335                 jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
 336                 jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
 337                 jitCompPutImm32(&w, debugInfo1);
 338                 jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
 339         }
 340         while (src < src1) {
 341                 w.prefix = 0;   //0x04 CND 命令で変更される
 342                 if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; goto err_w; }  // 書き込み領域が残り256バイト未満ならエラー
 343                 timecount++;
 344                 if (timecount >= 64) {
 345                         timecount -= 64;
 346                         /* 未完成(timeoutチェックコードを入れる) */
 347                 }
 348         prefix_continue:        // CND命令実行後ここに戻る
 349                 switch (*src) {
 350
 351                 case 0x00:      /* NOP */
 352                         if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }     // 「条件付きでNOPを実行」するなんて、矛盾している!
 353                         break;
 354
 355                 case 0x01:      /* LB */
 356
 357                         /*
 358                          * LB : ラベル設置命令。(6byte)
 359                          * ・prefex = 1にする
 360                          * ・timecount++し、timecountのチェックをする。
 361                          * ・ラベル位置を登録する。
 362                          * ・割り込みがある場合、このタイミングで割り込みを発生させる。
 363                          *
 364                          *  1   2       3       456
 365                          *      LB      01      opt     imm32
 366                          *
 367                          */
 368
 369                         if (enter0 == NULL && (src[6] == 0x3c /* 多数のレジスタをスタックに退避 */ || (src[6] == 0xfe/* REMARK */ && src[7] == 0x01 && src[9] == 0x3c))) {       //beginFunc()中のLB
 370                                 // LB命令の後に0x3C命令・・・beginFunc()
 371                                 jitCompPutByte1(w.dst, 0xe9);   // (x86) JMP rel32 : 次の命令との相対オフセットだけ相対ニアジャンプする
 372                                 enter0 = w.dst;
 373                                 jitCompPutImm32(&w, 0); // 飛び相対座標が0 ・・・パイプラインのフラッシュ??
 374                         }
 375                         if (src[6] == 0x34) {   // LBの次の命令がDATA ・・・DAT_SA0(label, typ32, length) ・・・メモリ確保命令
 376                                 tmp_ucp = w.dst;
 377                                 jitCompPutByte1(w.dst, 0xe9);   // (x86) JMP rel32 : 次の命令との相対オフセットだけ相対ニアジャンプする
 378                                 i = jitCompGetImm32(&src[7]);   // type32 を取得
 379                                 j = 32;
 380                                 if (i != 1) {
 381                                         i = jitCompA000_convTyp(i);
 382                                         j = 0;
 383                                         if (i == 2 || i == 3) { j = 1; }
 384                                         if (i == 4 || i == 5) { j = 2; }
 385                                         if (i == 6 || i == 7) { j = 4; }
 386                                 }
 387                                 j *= jitCompGetImm32(&src[11]);
 388                                 if (j <= 0) w.err = JITC_ERR_BADTYPE;
 389                                 jitCompPutImm32(&w, j);
 390 #if (jitCompA0001_OPTIMIZE_JMP != 0)
 391                                 if (j <= 127 - jitCompA0001_OPTIMIZE_ALIGN) {
 392                                         w.dst -= 5;
 393                                         jitCompPutByte2(w.dst, 0xeb, j);
 394                                 }
 395 #endif
 396                         }
 397 #if (jitCompA0001_OPTIMIZE_ALIGN != 0)
 398                         for (;;) {
 399                                 i = ((int)w.dst) & (jitCompA0001_OPTIMIZE_ALIGN - 1); /* ALIGNで割ったあまりを計算 */
 400                                 if (i == 0) break;
 401                                 i = jitCompA0001_OPTIMIZE_ALIGN - i;
 402                                 if (i == 1) { jitCompPutByte1(w.dst, 0x90); j += i; } /* NOP(); */
 403                                 if (i == 2) { jitCompPutByte2(w.dst, 0x89, 0xc0); j += i; } /* MOV(EAX, EAX); */
 404                                 if (i == 3) { jitCompPutByte3(w.dst, 0x8d, 0x76, 0x00); j += i; } /* LEA(ESI, [ESI+0]); */
 405                                 if (i == 4) { jitCompPutByte4(w.dst, 0x8d, 0x74, 0x26, 0x00); j += i; } /* LEA(ESI, [ESI*1+0]); */
 406                                 if (i == 5) { jitCompPutByte1(w.dst, 0x0d); jitCompPutImm32(&w, 0); j += i; } /* OR(EAX, 0); */
 407                                 if (i == 6) { jitCompPutByte2(w.dst, 0x8d, 0xb6); jitCompPutImm32(&w, 0); j += i; } /* LEA(ESI, [ESI+0]); */
 408                                 if (i >= 7) { jitCompPutByte3(w.dst, 0x8d, 0xb4, 0x26); jitCompPutImm32(&w, 0); j += 7; } /* LEA(ESI, [ESI*1+0]); */
 409                         }
 410 #endif
 411                         if (src[6] == 0x34) {
 412                                 tmp_ucp[1] = j & 0xff;
 413                                 if (*tmp_ucp == 0xe9) {
 414                                         tmp_ucp[2] = (j >> 8) & 0xff;
 415                                         tmp_ucp[3] = (j >> 16) & 0xff;
 416                                         tmp_ucp[4] = (j >> 24) & 0xff;
 417                                 }
 418                         }
 419                         if ((flags & JITC_PHASE1) == 0) {
 420                                 i = jitCompGetLabelNum(&w, src + 2);
 421                                 //printf("i=%06X %06X\n", i, src-src0);
 422                                 if (label[i].opt != 0 && w.err == 0) { w.err = JITC_ERR_LABELREDEF; goto err_w; }
 423                                 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
 424                                 label[i].opt = src[1] + 1;
 425                                 label[i].typ = 0; /* TYP_CODE */
 426                                 label[i].p = w.dst;
 427                                 label[i].p1 = w.dst + 1;
 428                                 lastlabel = i;
 429                         }
 430                         cmp0reg = -1;
 431                         timecount = 0;
 432                         /* 未完成(timeoutチェックコードを入れる) */
 433                         break;
 434
 435                 case 0x02:      /* LIMM */
 436
 437                         /*
 438                          * LIMM : 定数即値代入命令(6byte)
 439                          *
 440                          *      1       2               3456
 441                          *      02      reg0R   imm32
 442                          *
 443                          * ・reg3F は条件比較慣用句指定用＆演算命令即値慣用句指定用。よってCND命令の直後では使用できない。
 444                          */
 445
 446                         if (src[1] == 0x3f && w.prefix != 0) w.err = JITC_ERR_PREFIX;   // CND命令の直後でR3Fを書き換えるなんて変だよね
 447
 448 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 449                         if (src[1] == 0x3f) {           // R3Fへの代入は例外敵に、 w.r3f を使用
 450                                 w.r3f = jitCompGetImm32(src + 2);
 451                                 break;
 452                         }
 453 #endif
 454                         i = jitCompGetImm32(src + 2);   // 与えられた即値(第二引数)を取得
 455
 456                         /* R00-R02 なら EBX, ECX, EDX 、それ以外なら EAX のレジスタIDを reg0 に代入 */
 457                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 458
 459 #if (jitCompA0001_OPTIMIZE_MOV != 0)
 460                         if (i == 0) {
 461                                 jitCompPutByte2(w.dst, 0x31, 0xc0 | reg0 << 3 | reg0);  /* XOR(reg0, reg0); */
 462                                 jitCompA0001_movRxxEax(&w, src[1]);
 463                                 break;
 464                         }
 465 #endif
 466
 467                         /* reg0 のレジスタに対応したMOV命令を発行 */
 468                         jitCompPutByte1(w.dst, 0xb8 | reg0);    /* MOV(reg0, ?);  == 10111000b+wr imm32 */
 469                         jitCompPutImm32(&w, i);
 470
 471                         if (reg0 == 0)  // R03以降の、レジスタの内容をメモリ上に格納してエミュレートする場合
 472
 473                                 jitCompA0001_movRxxEax(&w, src[1]);
 474                         break;
 475
 476                 case 0x03:      /* PLIMM */     /* 未完成(plsまで対応) */
 477
 478                         /*
 479                         * PLIMM : ラベル番号代入命令(6byte)
 480                         *
 481                         *       1       2       3456
 482                         *       03      PXX     imm32
 483                         *
 484                         * ・P28 はAPI用
 485                         * ・P3F はプログラムカウンタ
 486                         */
 487
 488                         i = jitCompGetLabelNum(&w, src + 2);    // Pxxに代入するラベルの番号(第二引数)
 489                         if ((flags & JITC_PHASE1) != 0 && w.err == 0) { // Phase 1であるならば
 490                                 if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }             // 指定されたラベル番号は存在しない
 491                                 if (src[1] != 0x3f && label[i].opt != 2) { w.err = JITC_ERR_LABELTYP; goto err_w; }     //
 492                                 if (src[1] == 0x3f && label[i].typ != 0) { w.err = JITC_ERR_LABELTYP; goto err_w; } // プログラムカウンタに TYP_CODEでない値は代入できない
 493                         }
 494                         if (src[1] == 0x3f) {   // プログラムカウンタへの代入なら
 495                                 if (w.prefix == 0) {    // CND命令による条件付きでなければ、即座に移動
 496                                         jitCompPutByte1(w.dst, 0xe9); /* JMP(?); */
 497                                 }
 498                                 else {  // 直前はCND命令。
 499
 500                                         /*
 501                                          * CND命令
 502                                          *      1       2
 503                                          *      04      reg0R
 504                                          *
 505                                          * いま、dstの末端はJZ命令になっている。 0x0F 0x84 cd
 506                                          */
 507
 508                                          // JZのとび先アドレスの書き換え?
 509                                         w.dst[-1] = w.dst[-2] ^ 0xf1; /* 74->85, 75->84 */
 510                                         w.dst[-2] = 0x0f;
 511
 512                                         w.prefix = 0;
 513                                 }
 514                                 j = 0;
 515                                 if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0))  // label番号iが確保されていれば (このif文は意味をなさない)
 516                                         j = label[i].p - (w.dst + 4);   // j はとび先の相対番地
 517                                 jitCompPutImm32(&w, j); // JMP もしくは JZ 命令のアドレス部を記述
 518 #if (jitCompA0001_OPTIMIZE_JMP != 0)
 519                                 if (-128 - 3 <= j && j < 0) {
 520                                         if (w.dst[-5] == 0xe9) {
 521                                                 j += 3;
 522                                                 w.dst -= 5;
 523                                                 jitCompPutByte1(w.dst, 0xeb); /* JMP(?); */
 524                                         }
 525                                         else {
 526                                                 j += 4;
 527                                                 w.dst -= 6;
 528                                                 jitCompPutByte1(w.dst, w.dst[1] ^ 0xf0);
 529                                         }
 530                                         jitCompPutByte1(w.dst, j & 0xff);
 531                                 }
 532 #endif
 533                         }
 534                         else {  // プログラムカウンタ以外への代入
 535
 536                                 // 代入先が P01, P02なら ESI, EDI,それ以外ならEAXを指定
 537                                 reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
 538                                 jitCompPutByte1(w.dst, 0xb8 | reg0);    /* MOV(reg0, ?); */
 539                                 jitCompPutImm32(&w, (int)label[i].p);   // ラベルのパスを各レジスタに代入
 540
 541                                 // レジスタへの代入をメモリでエミュレーションする場合は、スタックに積む。
 542                                 if (reg0 == 0)
 543                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32, 0); /* MOV([EBP+?], EAX); */
 544
 545                                 if (level < JITC_LV_FASTEST) {
 546                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 8, reg0); /* MOV([EBP+?], reg0); */ /* p0 */
 547                                         jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
 548                                         jitCompPutImm32(&w, label[i].typ);
 549                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 4, 0); /* MOV([EBP+?], EAX); */ /* typ */
 550                                         jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
 551                                         jitCompPutImm32(&w, (int)label[i].p1);
 552                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 12, 0); /* MOV([EBP+?], EAX); */ /* p1 */
 553                                         jitCompPutByte2(w.dst, 0x31, 0xc0);     /* XOR(EAX, EAX); */
 554                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 16, 0); /* MOV([EBP+?], EAX); */ /* liveSign */
 555                                         jitCompA0001_movReg32EbpDisp(&w, 0, 2320); /* MOV(EAX, ptrCtrl); */
 556                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 20, 0); /* MOV([EBP+?], EAX); */ /* pls */
 557                                 }
 558                         }
 559                         break;
 560
 561                 case 0x04:      /* CND (prefix) */
 562                         if (src[1] >= 0x40) w.err = JITC_ERR_REGNUM;    // R00-R3F 以外のレジスタは比較対象にできない
 563
 564                         // 比較対象のレジスタがメモリ上にあれば-1, それ以外なら適切なレジスタ番号を返す
 565                         reg0 = jitCompA000_selectRegCache(src[1], -1 /* mem */);
 566
 567                         /* TEST命令を発行 */
 568                         if (reg0 < 0) { //比較対象のレジスタはメモリ上にある
 569                                 jitCompPutByte1(w.dst, 0xf7); /* TEST([EBP+?],1); */
 570                                 jitCompA0001_85DispN(&w, src[1] * 4, 0);
 571                         }
 572                         else {
 573                                 jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); /* TEST(reg0,1); */
 574                         }
 575                         jitCompPutImm32(&w, 1);
 576
 577                         /* JZ命令を発行 */
 578                         jitCompPutByte2(w.dst, 0x74, 0x00);     /* JZ($+2) */
 579                         cmp0reg = -1;
 580                         if (w.err != 0) goto err_w;
 581                         src += 2;
 582                         w.prefix = 1;   // プリフィックスをセット
 583                         w.dst0 = w.dst;
 584                         goto prefix_continue;
 585
 586                 case 0x08: /* LMEM */   /* 完成 */
 587                         i = jitCompGetImm32(src + 2);
 588                         if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
 589                         if (level < JITC_LV_FASTER) {
 590                                 jitCompA0001_checkType(&w, src[6], i, 0); // read
 591                                 cmp0reg = -1;
 592                         }
 593                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 594                         reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
 595                         if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
 596                                 reg1 = 0; /* EAX */
 597                         if (reg1 == 2 /* EDX */)
 598                                 jitCompA000_storeRegCacheEdx(&w);
 599                         if (reg1 <= 3 /* EAX, EDX */)
 600                                 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
 601                         if (level < JITC_LV_FASTER)
 602                                 jitCompA0001_checkLimit(&w, reg1, src[6]);
 603                         i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
 604                         switch (i) {
 605                         case 0x0002:
 606                                 jitCompPutByte3(w.dst, 0x0f, 0xbe, reg0 << 3 | reg1);   /* MOVSX(reg0,BYTE [reg1]); */
 607                                 break;
 608                         case 0x0003:
 609                                 jitCompPutByte3(w.dst, 0x0f, 0xb6, reg0 << 3 | reg1);   /* MOVZX(reg0,BYTE [reg1]); */
 610                                 break;
 611                         case 0x0004:
 612                                 jitCompPutByte3(w.dst, 0x0f, 0xbf, reg0 << 3 | reg1);   /* MOVSX(reg0,WORD [reg1]); */
 613                                 break;
 614                         case 0x0005:
 615                                 jitCompPutByte3(w.dst, 0x0f, 0xb7, reg0 << 3 | reg1);   /* MOVZX(reg0,WORD [reg1]); */
 616                                 break;
 617                         case 0x0006:
 618                         case 0x0007:
 619                                 jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
 620                                 break;
 621                         default:
 622                                 w.err = JITC_ERR_BADTYPE;
 623                         }
 624                         if (reg0 == 0 /* EAX */)
 625                                 jitCompA0001_movRxxEax(&w, src[1]);
 626                         if (reg1 == 2 /* EDX */)
 627                                 jitCompA000_loadRegCacheEdx(&w);
 628                         break;
 629
 630                 case 0x09: /* SMEM */   /* 完成 */
 631                         i = jitCompGetImm32(src + 2);
 632                         if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
 633                         if (level < JITC_LV_FASTER) {
 634                                 jitCompA0001_checkType(&w, src[6], i, 1); // write
 635                                 cmp0reg = -1;
 636                         }
 637                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 638                         reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
 639                         if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
 640                                 reg1 = 0; /* EAX */
 641                         if (reg1 == 2 /* EDX */)
 642                                 jitCompA000_storeRegCacheEdx(&w);
 643                         if (reg1 <= 3 /* EAX, EDX */)
 644                                 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
 645                         if (level < JITC_LV_FASTER)
 646                                 jitCompA0001_checkLimit(&w, reg1, src[6]);
 647                         if (reg0 == 0 /* EAX */)
 648                                 jitCompA0001_movEaxRxx(&w, src[1]);
 649                         /* 値の範囲チェック */
 650                         i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
 651                         switch (i) {
 652                         case 0x0002:
 653                         case 0x0003:
 654                                 jitCompPutByte2(w.dst, 0x88, reg0 << 3 | reg1); /* MOV([reg1], BYTE(reg0)); */
 655                                 break;
 656                         case 0x0004:
 657                         case 0x0005:
 658                                 jitCompPutByte3(w.dst, 0x66, 0x89, reg0 << 3 | reg1);   /* MOV([reg1], WORD(reg0)); */
 659                                 break;
 660                         case 0x0006:
 661                         case 0x0007:
 662                                 jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
 663                                 break;
 664                         default:
 665                                 w.err = JITC_ERR_BADTYPE;
 666                         }
 667                         if (reg1 == 2 /* EDX */)
 668                                 jitCompA000_loadRegCacheEdx(&w);
 669                         break;
 670
 671                 case 0x0a: /* PLMEM */  /* 完成 */
 672                         i = jitCompGetImm32(src + 2);
 673                         if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
 674                         if (level < JITC_LV_FASTER) {
 675                                 jitCompA0001_checkType(&w, src[6], i, 0); // read
 676                                 cmp0reg = -1;
 677                         }
 678                         reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
 679                         reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
 680                         //      if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
 681                         //              reg1 = 0; /* EAX */
 682                         if (reg0 == reg1 && reg0 != 0) {        // bugfix: hinted by yao, 2013.09.14. thanks!
 683                                 jitCompA000_storePRegCacheAll(&w);
 684                                 reg1 = 2; /* EDX */
 685                         }
 686                         if (reg1 == 2 /* EDX */)
 687                                 jitCompA000_storeRegCacheEdx(&w);
 688                         if (reg1 <= 3 /* EAX, EDX */)
 689                                 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
 690                         if (level < JITC_LV_FASTER)
 691                                 jitCompA0001_checkLimit(&w, reg1, src[6]);
 692                         jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
 693                         if (reg0 == 0 /* EAX */)
 694                                 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0); /* MOV([EBP+?], EAX); */
 695                         for (i = 4; i < 32; i += 4) {
 696                                 jitCompPutByte3(w.dst, 0x8b, 0x40 | reg1, i);   /* MOV(EAX, [reg1+?]); */
 697                                 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
 698                         }
 699                         if (reg1 == 2 /* EDX */)
 700                                 jitCompA000_loadRegCacheEdx(&w);
 701                         break;
 702
 703                 case 0x0b: /* PSMEM */  /* 完成 */
 704                         i = jitCompGetImm32(src + 2);
 705                         if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
 706                         if (level < JITC_LV_FASTER) {
 707                                 jitCompA0001_checkType(&w, src[6], i, 1); // write
 708                                 cmp0reg = -1;
 709                         }
 710                         reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
 711                         reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
 712                         //      if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
 713                         //              reg1 = 0; /* EAX */
 714                         if (reg1 == 2 /* EDX */)
 715                                 jitCompA000_storeRegCacheEdx(&w);
 716                         if (reg1 <= 3 /* EAX, EDX */)
 717                                 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
 718                         if (level < JITC_LV_FASTER)
 719                                 jitCompA0001_checkLimit(&w, reg1, src[6]);
 720                         if (reg0 == 0 /* EAX */)
 721                                 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[1] * 32 + 0); /* MOV(reg0, [EBP+?]); */
 722                         jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
 723                         for (i = 4; i < 32; i += 4) {
 724                                 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[1] * 32 + i); /* MOV(EAX, [EBP+?]); */
 725                                 jitCompPutByte3(w.dst, 0x89, 0x40 | reg1, i);   /* MOV([reg1+?], EAX); */
 726                         }
 727                         if (reg1 == 2 /* EDX */)
 728                                 jitCompA000_loadRegCacheEdx(&w);
 729                         break;
 730
 731                 case 0x0e: /* PADD */           /* 完成 */
 732                         if (level < JITC_LV_FASTER) {
 733                                 jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 2), 2); // other, aliveテストはとりあえずしない.
 734                                 cmp0reg = -1;
 735                         }
 736                         reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
 737                         reg1 = jitCompA000_selectPRegCache(src[6], -1 /* mem */);
 738                         if (reg1 < 0 /* mem */)
 739                                 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
 740                         if (reg1 >= 0 && reg0 != reg1) {
 741                                 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
 742                         }
 743                         i = jitCompGetImm32(src + 2);
 744                         j = -1;
 745                         if (i == 1)
 746                                 j = 5; /* 32 */
 747                         else {
 748                                 i = jitCompA000_convTyp(i);
 749                                 if (0x0002 <= i && i <= 0x0007)
 750                                         j = (i - 0x0002) >> 1;
 751                         }
 752                         if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
 753 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 754                         if (src[7] == 0x3f) {
 755                                 j = w.r3f << j;
 756 #if (jitCompA0001_USE_R3F_IMM8 != 0)
 757                                 if (-0x80 <= j && j <= 0x7f) {
 758 #if (jitCompA0001_USE_R3F_INCDEC != 0)
 759                                         if (j == 1) { jitCompPutByte1(w.dst, 0x40 | reg0); goto padd1; } /* INC */
 760                                         if (j == -1) { jitCompPutByte1(w.dst, 0x48 | reg0); goto padd1; } /* DEC */
 761 #endif
 762                                         jitCompPutByte3(w.dst, 0x83, 0xc0 | reg0, j & 0xff);    /* ADD(reg0, im8); */
 763                                         goto padd1;
 764                                 }
 765 #endif
 766                                 if (reg0 == 0) {
 767                                         jitCompPutByte1(w.dst, 0x05);   /* ADD(reg0, ?); */
 768                                 }
 769                                 else {
 770                                         jitCompPutByte2(w.dst, 0x81, 0xc0 | reg0);      /* ADD(reg0, ?); */
 771                                 }
 772                                 jitCompPutImm32(&w, j);
 773                                 goto padd1;
 774                         }
 775 #endif
 776                         if (src[7] >= 0x40) w.err = JITC_ERR_REGNUM;
 777                         if (j == 0) {
 778                                 reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
 779                                 if (reg1 >= 0) {
 780                                         jitCompPutByte2(w.dst, 0x01, 0xc0 | reg1 << 3 | reg0);  /* ADD(reg0, reg1); */
 781                                 }
 782                                 else {
 783                                         jitCompPutByte1(w.dst, 0x03);   /* ADD(reg0, [EBP+?]); */
 784                                         jitCompA0001_85DispN(&w, src[7] * 4, reg0);
 785                                 }
 786                         }
 787                         else {
 788                                 reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
 789                                 reg2 = 2; /* EDX */
 790                                 jitCompA000_storeRegCacheEdx(&w);
 791                                 if (reg1 < 0)
 792                                         jitCompA0001_movReg32EbpDisp(&w, reg2, src[7] * 4); /* MOV(reg2, [EBP+?]); */
 793                                 if (reg1 >= 0 && reg1 != reg2) {
 794                                         jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg2); /* MOV(reg2, reg1); */
 795                                 }
 796                                 jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg2, j);   /* SHL(reg2, ?); */
 797                                 jitCompPutByte2(w.dst, 0x01, 0xc0 | reg2 << 3 | reg0);  /* ADD(reg0, reg2); */
 798                                 jitCompA000_loadRegCacheEdx(&w);
 799                         }
 800 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 801                 padd1:
 802 #endif
 803                         if (reg0 == 0 /* EAX */)
 804                                 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, reg0); /* MOV([EBP+?], reg0); */
 805                         if (src[1] != src[6]) {
 806                                 for (i = 4; i < 32; i += 4) {
 807                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
 808                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
 809                                 }
 810                         }
 811                         cmp0reg = -1;
 812                         break;
 813
 814                 case 0x0f: /* PDIF */   /* 未完成 */
 815                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 816                         jitCompA000_storePRegCacheAll(&w); // 手抜き.
 817                         jitCompA0001_checkCompPtr(&w, src[6], src[7]);
 818                         jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
 819                         jitCompPutByte1(w.dst, 0x2b);   /* SUB(EAX, [EBP+?]); */
 820                         jitCompA0001_85DispN(&w, 256 + src[7] * 32 + 0, reg0);
 821                         i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
 822                         j = -1;
 823                         if (0x0002 <= i && i <= 0x0007)
 824                                 j = (i - 0x0002) >> 1;
 825                         if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
 826                         if (j > 0) {
 827                                 jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, j);   /* SAR(reg0,?); */
 828                         }
 829                         if (reg0 == 0 /* EAX */)
 830                                 jitCompA0001_movRxxEax(&w, src[1]);
 831                         cmp0reg = src[1]; cmp0lev = 1;
 832                         break;
 833
 834                 case 0x10:      /* OR */
 835                 case 0x11:      /* XOR */
 836                 case 0x12:      /* AND */
 837                 case 0x14:      /* ADD */
 838                 case 0x15:      /* SUB */
 839                 case 0x16:      /* MUL */
 840                         if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
 841                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 842                         reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
 843 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 844                         if (src[2] == 0x3f) {   // SUBのみ該当.
 845                                 if (*src != 0x15) w.err = JITC_ERR_REGNUM;
 846                                 reg2 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
 847                                 if (reg2 >= 0)
 848                                         jitCompA000_storeRegCacheAll(&w);
 849                                 jitCompPutByte1(w.dst, 0xb8 | reg0);    /* MOV(reg0, ?); */
 850                                 jitCompPutImm32(&w, w.r3f);
 851                                 jitCompPutByte1(w.dst, 0x2b);
 852                                 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
 853                                 if (reg0 == 0)
 854                                         jitCompA0001_movRxxEax(&w, src[1]);
 855                                 break;
 856                         }
 857 #endif
 858                         if (reg1 < 0) {
 859                                 jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg0, [EBP+?]); */
 860                         }
 861                         if (reg1 >= 0 && reg0 != reg1) {
 862                                 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
 863                         }
 864                         if (!(src[0] == 0x10 && src[3] == 0xff)) {  // bugfix: hinted by Iris, 2013.06.26. thanks!
 865                                 cmp0reg = src[1];
 866                                 cmp0lev = 1;
 867                                 if (src[0] < 0x14)
 868                                         cmp0lev = 2;
 869                                 if (src[0] == 0x16)
 870                                         cmp0reg = -1;
 871                         }
 872                         if (!(src[0] == 0x10 && src[3] == 0xff)) {
 873 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 874                                 if (src[3] == 0x3f) {
 875                                         if (*src == 0x16 && w.r3f == -1) {
 876                                                 jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
 877                                                 if (reg0 == 0)
 878                                                         jitCompA0001_movRxxEax(&w, src[1]);
 879                                                 break;
 880                                         }
 881 #if (jitCompA0001_USE_R3F_INCDEC != 0)
 882                                         if ((*src == 0x14 && w.r3f == 1) || (*src == 0x15 && w.r3f == -1)) {
 883                                                 jitCompPutByte1(w.dst, 0x40 | reg0);    /* INC(reg0); */
 884                                                 if (reg0 == 0)
 885                                                         jitCompA0001_movRxxEax(&w, src[1]);
 886                                                 break;
 887                                         }
 888                                         if ((*src == 0x15 && w.r3f == 1) || (*src == 0x14 && w.r3f == -1)) {
 889                                                 jitCompPutByte1(w.dst, 0x48 | reg0);    /* DEC(reg0); */
 890                                                 if (reg0 == 0)
 891                                                         jitCompA0001_movRxxEax(&w, src[1]);
 892                                                 break;
 893                                         }
 894 #endif
 895 #if (jitCompA0001_USE_R3F_IMM8 != 0)
 896                                         if (-0x80 <= w.r3f && w.r3f <= 0x7f) {
 897                                                 if (*src != 0x16) {
 898                                                         static unsigned char basic_op_table_im8[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
 899                                                         jitCompPutByte3(w.dst, 0x83, basic_op_table_im8[*src - 0x10] | reg0, w.r3f & 0xff);
 900                                                 }
 901                                                 else {
 902                                                         jitCompPutByte3(w.dst, 0x6b, 0xc0 | reg0 << 3 | reg0, w.r3f & 0xff);
 903                                                 }
 904                                                 if (reg0 == 0)
 905                                                         jitCompA0001_movRxxEax(&w, src[1]);
 906                                                 break;
 907                                         }
 908 #endif
 909                                         if (reg0 == 0 /* EAX */) {
 910                                                 static unsigned char basic_op_table_im32_eax[] = { 0x0d, 0x35, 0x25, 0, 0x05, 0x2d, 0xc0 };
 911                                                 if (*src == 0x16) { jitCompPutByte1(w.dst, 0x69); }
 912                                                 jitCompPutByte1(w.dst, basic_op_table_im32_eax[*src - 0x10]);
 913                                         }
 914                                         else {
 915                                                 if (*src != 0x16) {
 916                                                         static unsigned char basic_op_table_im32_reg[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
 917                                                         jitCompPutByte2(w.dst, 0x81, basic_op_table_im32_reg[*src - 0x10] | reg0);
 918                                                 }
 919                                                 else {
 920                                                         jitCompPutByte2(w.dst, 0x69, 0xc0 | reg0 << 3 | reg0);
 921                                                 }
 922                                         }
 923                                         jitCompPutImm32(&w, w.r3f);
 924                                         if (reg0 == 0)
 925                                                 jitCompA0001_movRxxEax(&w, src[1]);
 926                                         break;
 927                                 }
 928 #endif
 929                                 reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
 930                                 if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
 931                                 if (*src != 0x16) {
 932                                         if (reg1 >= 0) {
 933                                                 static unsigned char basic_op_table_rr[] = { 0x09, 0x31, 0x21, 0, 0x01, 0x29 }; /* op(reg,reg); */
 934                                                 jitCompPutByte2(w.dst, basic_op_table_rr[*src - 0x10], 0xc0 | reg1 << 3 | reg0);
 935                                         }
 936                                         else {
 937                                                 static unsigned char basic_op_table_rm[] = { 0x0b, 0x33, 0x23, 0, 0x03, 0x2b, 0xaf }; /* op(reg,mem); */
 938                                                 jitCompPutByte1(w.dst, basic_op_table_rm[*src - 0x10]);
 939                                                 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
 940                                         }
 941                                 }
 942                                 else {
 943                                         if (reg1 >= 0) {
 944                                                 jitCompPutByte3(w.dst, 0x0f, 0xaf, 0xc0 | reg0 << 3 | reg1);
 945                                         }
 946                                         else {
 947                                                 jitCompPutByte2(w.dst, 0x0f, 0xaf);
 948                                                 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
 949                                         }
 950                                 }
 951                         }
 952                         if (reg0 == 0)
 953                                 jitCompA0001_movRxxEax(&w, src[1]);
 954                         break;
 955
 956                 case 0x18:      /* SHL */
 957                 case 0x19:      /* SAR */
 958                         if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
 959                         if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
 960 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 961                         if (src[3] == 0x3f) {
 962                                 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
 963                                 reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
 964                                 if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
 965                                 if (reg1 == -1)
 966                                         jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg1, [EBP+?]); */
 967                                 else {
 968                                         if (reg0 != reg1) {
 969                                                 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
 970                                         }
 971                                 }
 972                                 if (*src == 0x18) { jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg0, w.r3f); } /* SHL(reg0, im8); */
 973                                 if (*src == 0x19) { jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, w.r3f); } /* SAR(reg0, im8); */
 974                                 if (reg0 == 0 /* EAX */)
 975                                         jitCompA0001_movRxxEax(&w, src[1]);
 976                                 cmp0reg = src[1];
 977                                 cmp0lev = 1;
 978                                 break;
 979                         }
 980 #endif
 981                         jitCompA000_storeRegCacheAll(&w); // 手抜き.
 982                         jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
 983 #if (jitCompA0001_USE_R3F_IMM32 != 0)
 984                         if (src[2] == 0x3f) {
 985                                 jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
 986                                 jitCompPutImm32(&w, w.r3f);
 987                         }
 988                         else {
 989                                 jitCompA0001_movEaxRxx(&w, src[2]);
 990                         }
 991 #else
 992                         jitCompA0001_movEaxRxx(&w, src[2]);
 993 #endif
 994                         if (*src == 0x18) { jitCompPutByte2(w.dst, 0xd3, 0xe0); } /* SHL(EAX, CL); */
 995                         if (*src == 0x19) { jitCompPutByte2(w.dst, 0xd3, 0xf8); } /* SAR(EAX, CL); */
 996                         jitCompA0001_movRxxEax(&w, src[1]);
 997                         jitCompA000_loadRegCacheAll(&w); // 手抜き.
 998                         cmp0reg = src[1];
 999                         cmp0lev = 1;
1000                         break;
1001
1002                 case 0x1a:      /* DIV */
1003                 case 0x1b:      /* MOD */
1004                         if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
1005                         if (src[2] >= 0x40) w.err = JITC_ERR_REGNUM;
1006                         if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
1007                         jitCompA000_storeRegCacheAll(&w); // 手抜き.
1008 #if (jitCompA0001_USE_R3F_IMM32 != 0)
1009                         if (src[3] == 0x3f) {
1010                                 jitCompPutByte1(w.dst, 0xb8 | 1);       /* MOV(ECX, ?); */
1011                                 jitCompPutImm32(&w, w.r3f);
1012                         }
1013                         else {
1014                                 jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
1015                         }
1016                         if (src[2] == 0x3f) {
1017                                 jitCompPutByte1(w.dst, 0xb8 | 0);       /* MOV(EAX, ?); */
1018                                 jitCompPutImm32(&w, w.r3f);
1019                         }
1020                         else {
1021                                 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
1022                         }
1023 #else
1024                         jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
1025                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
1026 #endif
1027                         jitCompPutByte1(w.dst, 0x99);   /* CDQ(); */
1028                         /* ECXがゼロではないことを確認すべき */
1029                         jitCompPutByte2(w.dst, 0xf7, 0xf9);     /* IDIV(ECX); */
1030                         if (*src == 0x1a) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 0 /* EAX */); }
1031                         if (*src == 0x1b) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 2 /* EDX */); }
1032                         jitCompA000_loadRegCacheAll(&w); // 手抜き.
1033                         cmp0reg = -1;
1034                         break;
1035
1036                 case 0x1c:      /* PLMT0 */
1037                 case 0x1d:      /* PLMT1 */
1038                         if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1039                         if (level < JITC_LV_FASTEST) {
1040                                 cmp0reg = -1;
1041                                 if (level < JITC_LV_FASTER) {
1042                                         // typ が一致していることを確認.
1043                                         // plsとliveSignが一致していることを確認.
1044
1045                                         // preg1はp0 <= p <= p1 を満たしているか？.
1046                                         // 新しいp0/p1は古いp0〜p1に適合しているか？.
1047
1048                                 }
1049                         }
1050
1051                 case 0x1e: /* PCP */            /* 未完成(p1まで完成) */
1052                         if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1053                         if (src[2] == 0x3f) w.err = JITC_ERR_PREGNUM;
1054                         if (src[1] != 0x3f) {
1055                                 /* src[2] == 0xff の場合に対応できてない */
1056                                 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1057                                 for (i = 0; i < 32; i += 4) {
1058                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + i); /* MOV(EAX, [EBP+?]); */
1059                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1060                                 }
1061                                 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1062                         }
1063                         else {
1064                                 if (level < JITC_LV_FASTER) {
1065                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 4); /* MOV(EAX, [EBP+?]); */  /* typ */
1066                                         jitCompPutByte3(w.dst, 0x83, 0xf8, 0);  /* CMP(EAX, 0); */
1067                                         jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
1068                                         jitCompPutImm32(&w, errfnc - (w.dst + 4));
1069                                         /* セキュリティチェックが足りてない!(aliveとか) */
1070                                 }
1071                                 reg0 = 0; /* EAX */
1072                                 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1073                                 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
1074                                 if (level < JITC_LV_FASTER) {
1075                                         jitCompPutByte1(w.dst, 0x3b);   /* CMP(reg0, [EBP+?]); */
1076                                         jitCompA0001_85DispN(&w, 256 + src[2] * 32 + 8, reg0);  /* p0 */
1077                                         jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
1078                                         jitCompPutImm32(&w, errfnc - (w.dst + 4));
1079                                 }
1080                                 jitCompPutByte2(w.dst, 0xff, 0xe0);     /* JMP(EAX); */
1081                         }
1082                         break;
1083
1084                 case 0x1f: /* PCST */
1085                         if (jitCompGetImm32(src + 2) == 0) {
1086                                 if (level < JITC_LV_FASTER)
1087                                         jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 7), 2);
1088                                 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1089                                 for (i = 0; i < 32 - 4; i += 4) {
1090                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
1091                                         if (i == 4) {
1092                                                 jitCompPutByte1(w.dst, 0x0d); /* OR(EAX, ?); */
1093                                                 jitCompPutImm32(&w, 0x80000000);
1094                                         }
1095                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1096                                 }
1097                                 jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
1098                                 jitCompPutImm32(&w, debugInfo1);
1099                                 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 28, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1100                                 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1101                                 cmp0reg = -1;
1102                                 break;
1103                         }
1104                         if (jitCompGetImm32(src + 7) == 0) {
1105                                 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1106                                 for (i = 0; i < 32 - 4; i += 4) {
1107                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
1108                                         if (i == 4) {
1109                                                 jitCompPutByte1(w.dst, 0x25); /* AND(EAX, ?); */
1110                                                 jitCompPutImm32(&w, 0x7fffffff);
1111                                         }
1112                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1113                                 }
1114                                 if (level < JITC_LV_FASTER) {
1115                                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + 28); /* MOV(EAX, [EBP+?]); */
1116                                         jitCompPutByte1(w.dst, 0x3d);   /* CMP(EAX, ?); */
1117                                         jitCompPutImm32(&w, debugInfo1);
1118                                         jitCompPutByte2(w.dst, 0x74, 8); /* JE */
1119                                         jitCompPutByte2(w.dst, 0x31, 0xc0);     /* XOR(EAX, EAX); (2) */
1120                                         jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0 /* EAX */); /* MOV([EBP+?], EAX); (1+1+4) */
1121                                 }
1122                                 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1123                                 cmp0reg = -1;
1124                                 break;
1125                         }
1126                         w.err = JITC_ERR_OPECODE;
1127                         goto err_w;
1128
1129                 case 0x20:      /* CMPE */
1130                 case 0x21:      /* CMPNE */
1131                 case 0x22:      /* CMPL */
1132                 case 0x23:      /* CMPGE */
1133                 case 0x24:      /* CMPLE */
1134                 case 0x25:      /* CMPG */
1135                 case 0x26:      /* TSTZ */
1136                 case 0x27:      /* TSTNZ */
1137                         reg0 = jitCompA000_selectRegCache(src[2], 0 /* EAX */);
1138                         reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
1139                         if (src[1] == 0x3f) {
1140                                 /* 特殊構文チェック */
1141                                 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1142                                 if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
1143                                         w.err = JITC_ERR_IDIOM; goto err_w;
1144                                 }
1145                         }
1146                         if (reg0 == 0)
1147                                 jitCompA0001_movEaxRxx(&w, src[2]);
1148 #if (jitCompA0001_USE_R3F_IMM32 != 0)
1149                         if (src[3] == 0x3f) {
1150 #if (jitCompA0001_OPTIMIZE_CMP != 0)
1151                                 if ((*src <= 0x25 && w.r3f == 0) || (*src >= 0x26 && w.r3f == -1)) {
1152                                         i = 0;
1153                                         if (cmp0reg == src[2]) {
1154                                                 if (cmp0lev >= 1 && (src[0] == 0x20 || src[0] == 0x21 || src[0] == 0x26 || src[0] == 0x27))
1155                                                         i = 1;
1156                                                 if (cmp0lev >= 2 && (src[0] == 0x22 || src[0] == 0x23 || src[0] == 0x24 || src[0] == 0x25))
1157                                                         i = 1;
1158                                         }
1159                                         if (i == 0) {
1160                                                 jitCompPutByte2(w.dst, 0x85, 0xc0 | reg0 << 3 | reg0);  /* TEST(reg0, reg0); */
1161                                         }
1162                                         cmp0reg = src[2];
1163                                         cmp0lev = 2;
1164                                         goto cmpcc1;
1165                                 }
1166 #endif
1167 #if (jitCompA0001_USE_R3F_IMM8 != 0)
1168                                 if (-0x80 <= w.r3f && w.r3f <= 0x7f && *src <= 0x25) {
1169                                         jitCompPutByte3(w.dst, 0x83, 0xf8 | reg0, w.r3f);
1170                                         goto cmpcc1;
1171                                 }
1172 #endif
1173                                 if (reg0 == 0) {
1174                                         if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3d); }
1175                                         if (*src >= 0x26) { jitCompPutByte1(w.dst, 0xa9); }
1176                                 }
1177                                 else {
1178                                         if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x81, 0xf8 | reg0); }
1179                                         if (*src >= 0x26) { jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); }
1180                                 }
1181                                 jitCompPutImm32(&w, w.r3f);
1182                                 goto cmpcc1;
1183                         }
1184 #endif
1185                         if (src[3] >= 0x40) w.err = JITC_ERR_PREGNUM;
1186                         if (reg1 >= 0) {
1187                                 if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x39, 0xc0 | reg1 << 3 | reg0); }
1188                                 if (*src >= 0x26) { jitCompPutByte2(w.dst, 0x85, 0xc0 | reg1 << 3 | reg0); }
1189                         }
1190                         else {
1191                                 if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3b); }
1192                                 if (*src >= 0x26) { jitCompPutByte1(w.dst, 0x85); }
1193                                 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
1194                         }
1195                 cmpcc1:
1196                         if (w.err != 0) goto err_w;
1197                         static unsigned char cmpcc_table0[] = {
1198                                 0x04, 0x05, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, /* CMPcc, TSTcc */
1199                                 0x04, 0x05, 0x02, 0x03, 0x06, 0x07                              /* PCMPcc */
1200                         };
1201 #if (jitCompA0001_USE_R3F_CMPJMP != 0)
1202                         if (src[1] == 0x3f) {
1203                                 /* 特殊構文を利用した最適化 */
1204                                 jitCompPutByte2(w.dst, 0x0f, 0x80 | cmpcc_table0[*src - 0x20]);
1205                                 src += 6;
1206                                 i = jitCompGetLabelNum(&w, src + 2);
1207                                 if ((flags & JITC_PHASE1) != 0 && w.err != 0) {
1208                                         if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
1209                                         //      if (label[i].typ != 1) { w.err = JITC_ERR_LABELTYP; goto err_w; }
1210                                 }
1211                                 j = 0;
1212                                 if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0))
1213                                         j = label[i].p - (w.dst + 4);
1214                                 jitCompPutImm32(&w, j);
1215 #if (jitCompA0001_OPTIMIZE_JMP != 0)
1216                                 if (-128 - 4 <= j && j < 0) {
1217                                         j += 4;
1218                                         w.dst -= 6;
1219                                         jitCompPutByte2(w.dst, w.dst[1] ^ 0xf0, j & 0xff);
1220                                 }
1221 #endif
1222                                 src += 6;
1223                                 if (w.err != 0) goto err_w;
1224                                 continue;
1225                         }
1226 #endif
1227                         /* 一般的なJITC */
1228                         reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
1229                         jitCompPutByte3(w.dst, 0x0f, 0x90 | cmpcc_table0[*src - 0x20], 0xc0 | reg0);    /* SETcc(BYTE(reg0)); */
1230                         jitCompPutByte3(w.dst, 0x0f, 0xb6, 0xc0 | reg0 << 3 | reg0);    /* MOVZX(reg0, BYTE(reg0)); */
1231                         jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0);      /* NEG(reg0); */
1232                         if (reg0 == 0)
1233                                 jitCompA0001_movRxxEax(&w, src[1]);
1234                         cmp0reg = src[2];
1235                         cmp0lev = 1;
1236                         break;
1237
1238                 case 0x28:      /* PCMPE */
1239                 case 0x29:      /* PCMPNE */
1240                 case 0x2a:      /* PCMPL */
1241                 case 0x2b:      /* PCMPGE */
1242                 case 0x2c:      /* PCMPLE */
1243                 case 0x2d:      /* PCMPG */
1244                         if (src[1] == 0x3f) {
1245                                 /* 特殊構文チェック */
1246                                 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1247                                 if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
1248                                         w.err = JITC_ERR_IDIOM; goto err_w;
1249                                 }
1250                         }
1251                         if (src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1252                         jitCompA000_storePRegCacheAll(&w); // 手抜き.
1253                         if (src[3] != 0xff)
1254                                 jitCompA0001_checkCompPtr(&w, src[2], src[3]);
1255                         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
1256                         if (src[3] != 0xff) {
1257                                 jitCompPutByte1(w.dst, 0x3b);   /* CMP(EAX, [EBP+?]); */
1258                                 jitCompA0001_85DispN(&w, 256 + src[3] * 32 + 0, 0);
1259                         }
1260                         else {
1261                                 /* ヌルポインタとの比較はこれでいいのか？たぶんよくない */
1262                                 jitCompPutByte3(w.dst, 0x83, 0xf8, 0x00);       /* CMP(EAX, 0); */
1263                         }
1264                         cmp0reg = -1;
1265                         goto cmpcc1;
1266
1267                 case 0x30:      /* talloc(old:F4) */
1268                 case 0x31:      /* tfree(old:F5) */
1269                 case 0x32:      /* malloc(old:F6) */
1270                 case 0x33:      /* mfree(old:F7) */
1271                         jitCompA000_storeRegCacheAll(&w); // 手抜き.
1272                         jitCompA000_storePRegCacheAll(&w); // 手抜き.
1273                         jitCompPutByte2(w.dst, 0x6a, src[3]);   /* PUSH(?); */
1274                         jitCompPutByte2(w.dst, 0x6a, src[2]);   /* PUSH(?); */
1275                         jitCompPutByte2(w.dst, 0x6a, src[1]);   /* PUSH(?); */
1276                         jitCompPutByte1(w.dst, 0x55);   /* PUSH(EBP); */
1277                         jitCompPutByte1(w.dst, 0xe8);
1278                         if (*src == 0x30) j = ((unsigned char *)&funcf4) - (w.dst + 4);
1279                         if (*src == 0x31) j = ((unsigned char *)&funcf5) - (w.dst + 4);
1280                         if (*src == 0x32) j = ((unsigned char *)&funcf6) - (w.dst + 4);
1281                         if (*src == 0x33) j = ((unsigned char *)&funcf7) - (w.dst + 4);
1282                         jitCompPutImm32(&w, j);
1283                         jitCompPutByte3(w.dst, 0x83, 0xc4, 0x10);       /* ADD(ESP,16); */
1284                         jitCompA000_loadRegCacheAll(&w); // 手抜き.
1285                         jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1286                         cmp0reg = -1;
1287                         break;
1288
1289                 case 0x34:      /* data (暫定) */
1290                         cmp0reg = -1;
1291                         if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1292                         int k = jitCompGetImm32(&src[1]), tmpData, bitCount, dataWidth = jitCompA000_dataWidth(k);
1293                         if (lastlabel >= 0 && label[lastlabel].typ == 0)
1294                                 label[lastlabel].typ = k;
1295                         if (k != 1) {
1296                                 i = jitCompA000_convTyp(k);
1297                                 if (i < 2 || i > 7) { w.err = JITC_ERR_BADTYPE; goto err_w; }
1298                         }
1299                         j = jitCompGetImm32(&src[5]);
1300                         oldsrc = src;
1301                         src += 9;
1302                         if (k != 1) {
1303                                 bitCount = 7;
1304                                 while (j > 0) {
1305                                         if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
1306                                         if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
1307                                         tmpData = 0;
1308                                         for (k = 0; k < dataWidth; k++) {
1309                                                 tmpData = tmpData << 1 | ((*src >> bitCount) & 1);
1310                                                 bitCount--;
1311                                                 if (bitCount < 0) {
1312                                                         bitCount = 7;
1313                                                         src++;
1314                                                 }
1315                                         }
1316                                         if ((i & 1) == 0 && dataWidth <= 31 && (tmpData >> (dataWidth - 1)) != 0) {
1317                                                 tmpData -= 1 << dataWidth;
1318                                         }
1319                                         if (i == 2 || i == 3) { jitCompPutByte1(w.dst, tmpData & 0xff); }
1320                                         if (i == 4 || i == 5) { jitCompPutByte2(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff); }
1321                                         if (i == 6 || i == 7) { jitCompPutByte4(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff, (tmpData >> 16) & 0xff, (tmpData >> 24) & 0xff); }
1322                                         j--;
1323                                 }
1324                         }
1325                         else {
1326                                 while (j > 0) {
1327                                         if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
1328                                         if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
1329                                         i = jitCompGetImm32(src);
1330                                         src += 4;
1331                                         if ((flags & JITC_PHASE1) != 0 && w.err == 0) {
1332                                                 if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
1333                                         }
1334                                         jitCompPutImm32(&w, (int)label[i].p);
1335                                         jitCompPutImm32(&w, label[i].typ);
1336                                         jitCompPutImm32(&w, (int)label[i].p);
1337                                         jitCompPutImm32(&w, (int)label[i].p1);
1338                                         jitCompPutImm32(&w, 0); /* liveSign */
1339                                         jitCompPutImm32(&w, 2320); /* pls */
1340                                         jitCompPutImm32(&w, 0);
1341                                         jitCompPutImm32(&w, 0);
1342                                         j--;
1343                                 }
1344                         }
1345                         if (lastlabel >= 0 && label[lastlabel].p1 < w.dst)
1346                                 label[lastlabel].p1 = w.dst;
1347                         continue;
1348
1349                 case 0x3c:      /* ENTER */
1350                         jitCompA000_storeRegCacheAll(&w); // 手抜き.
1351                         jitCompA000_storePRegCacheAll(&w); // 手抜き.
1352                         jitCompPutByte2(w.dst, 0x6a, src[6]);   /* PUSH(?); */
1353                         jitCompPutByte2(w.dst, 0x6a, src[5]);   /* PUSH(?); */
1354                         jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f);    /* PUSH(?); */
1355                         jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f);     /* PUSH(?); */
1356                         jitCompPutByte2(w.dst, 0x6a, src[3]);   /* PUSH(?); */
1357                         jitCompPutByte2(w.dst, 0x6a, src[2]);   /* PUSH(?); */
1358                         jitCompPutByte2(w.dst, 0x6a, src[1]);   /* PUSH(?); */
1359                         jitCompPutByte1(w.dst, 0x55);   /* PUSH(EBP); */
1360                         jitCompPutByte1(w.dst, 0xe8);
1361                         j = ((unsigned char *)&func3c) - (w.dst + 4);
1362                         jitCompPutImm32(&w, j);
1363                         jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20);       /* ADD(ESP,32); */
1364                         jitCompA000_loadRegCacheAll(&w); // 手抜き.
1365                         jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1366                         cmp0reg = -1;
1367                         break;
1368
1369                 case 0x3d:      /* LEAVE */
1370                         jitCompA000_storeRegCacheAll(&w); // 手抜き.
1371                         jitCompA000_storePRegCacheAll(&w); // 手抜き.
1372                         jitCompPutByte2(w.dst, 0x6a, src[6]);   /* PUSH(?); */
1373                         jitCompPutByte2(w.dst, 0x6a, src[5]);   /* PUSH(?); */
1374                         jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f);    /* PUSH(?); */
1375                         jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f);     /* PUSH(?); */
1376                         jitCompPutByte2(w.dst, 0x6a, src[3]);   /* PUSH(?); */
1377                         jitCompPutByte2(w.dst, 0x6a, src[2]);   /* PUSH(?); */
1378                         jitCompPutByte2(w.dst, 0x6a, src[1]);   /* PUSH(?); */
1379                         jitCompPutByte1(w.dst, 0x55);   /* PUSH(EBP); */
1380                         jitCompPutByte1(w.dst, 0xe8);
1381                         j = ((unsigned char *)&func3d) - (w.dst + 4);
1382                         jitCompPutImm32(&w, j);
1383                         jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20);       /* ADD(ESP,32); */
1384                         jitCompA000_loadRegCacheAll(&w); // 手抜き.
1385                         jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1386                         cmp0reg = -1;
1387                         break;
1388
1389                 case 0xfe:      /* remark */
1390                         if (src[1] == 0x01 && src[2] == 0x00) { // DBGINFO1
1391                                 if (level <= JITC_LV_SLOWER) {
1392                                         jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
1393                                         jitCompPutImm32(&w, debugInfo1);
1394                                         jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
1395                                 }
1396                         }
1397                         if (src[1] == 0x01 && src[2] == 0x03) { // DBGINFO1CLR
1398                                 if (level <= JITC_LV_SLOWER) {
1399                                         jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
1400                                         jitCompPutImm32(&w, -1);
1401                                         jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
1402                                 }
1403                         }
1404                         if (src[1] == 0x05 && src[2] == 0x00) { // DBGINFO0
1405                                 if (level <= JITC_LV_SLOWEST) {
1406                                         debugInfo0 = jitCompGetImm32(src + 3);
1407                                         //      jitCompPutByte1(w.dst, 0xbf);   /* MOV(EDI, ?); */
1408                                         //      jitCompPutImm32(&w, debugInfo0);
1409                                         jitCompPutByte1(w.dst, 0xb8);   /* MOV(EAX, ?); */
1410                                         jitCompPutImm32(&w, debugInfo0);
1411                                         jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
1412                                 }
1413                         }
1414                         break;
1415
1416                 default:
1417                         w.err = JITC_ERR_OPECODE;
1418                         goto err_w;
1419                 }
1420                 if (w.err != 0) goto err_w;
1421                 jitCompA0001_fixPrefix(&w);
1422                 if (w.err != 0) goto err_w;
1423                 src += jitCompCmdLen(src);
1424         }
1425         if (enter0 != NULL) {
1426                 j = w.dst - (enter0 + 4);
1427                 enter0[0] = j & 0xff;
1428                 enter0[1] = (j >> 8) & 0xff;
1429                 enter0[2] = (j >> 16) & 0xff;
1430                 enter0[3] = (j >> 24) & 0xff;
1431         }
1432         if ((flags & JITC_NOSTARTUP) == 0) {
1433                 jitCompA000_storeRegCacheAll(&w);
1434                 jitCompA000_storePRegCacheAll(&w);
1435                 jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
1436         }
1437         if ((flags & JITC_PHASE1) != 0)
1438                 return w.dst - dst00;
1439         return 0;
1440
1441 err_w:
1442         if ((w.err & JITC_ERR_PHASE0ONLY) != 0) {
1443                 if ((flags & JITC_PHASE1) == 0)
1444                         w.err &= ~JITC_ERR_PHASE0ONLY;
1445         }
1446         if (w.err == (JITC_ERR_MASK & JITC_ERR_REGNUM))                 errmsg = "reg-number error";
1447         if (w.err == (JITC_ERR_MASK & JITC_ERR_DST1))                   errmsg = "dst1 error";
1448         if (w.err == (JITC_ERR_MASK & JITC_ERR_OPECODE))                errmsg = "opecode error";
1449         if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNUM))               errmsg = "label number too large";
1450         if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELREDEF))             errmsg = "label redefine";
1451         if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIX))                 { errmsg = "prefix redefine"; w.dst -= 2; }
1452         if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNODEF))             errmsg = "label not defined";
1453         if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELTYP))               errmsg = "label type error";
1454         if (w.err == (JITC_ERR_MASK & JITC_ERR_IDIOM))                  errmsg = "idiom error";
1455         if (w.err == (JITC_ERR_MASK & JITC_ERR_PREGNUM))                errmsg = "preg-number error";
1456         if (w.err == (JITC_ERR_MASK & JITC_ERR_SRC1))                   errmsg = "src1 error";
1457         if (w.err == (JITC_ERR_MASK & JITC_ERR_BADTYPE))                errmsg = "bad type code";
1458         if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIXFAR))              errmsg = "prefix internal error";
1459         if (w.err == (JITC_ERR_MASK & JITC_ERR_INTERNAL))               errmsg = "general internal error";
1460         if (*errmsg != '\0') {
1461                 fprintf(stderr, "JITC: %s at %06X (debugInfo0=%d)\n    ", errmsg, src - src0, debugInfo0);
1462                 for (i = 0; i < 16; i++)
1463                         fprintf(stderr, "%02X ", src[i]);
1464                 static char *table[0x30] = {
1465                         "NOP", "LB", "LIMM", "PLIMM", "CND", "??", "??", "??",
1466                         "LMEM", "SMEM", "PLMEM", "PSMEM", "LEA", "??", "PADD", "PDIF",
1467                         "CP/OR", "XOR", "AND", "??", "ADD", "SUB", "MUL", "??",
1468                         "SHL", "SAR", "DIV", "MOD", "PLMT0", "PLMT1", "PCP", "PCST",
1469                         "CMPE", "CMPNE", "CMPL", "CMPGE", "CMPLE", "CMPG", "TSTZ", "TSTNZ",
1470                         "PCMPE", "PCMPNE", "PCMPL", "PCMPGE", "PCMPLE", "PCMPG", "??", "EXT" };
1471                 errmsg = "??";
1472                 if (*src < 0x30) errmsg = table[*src];
1473                 fprintf(stderr, "(%s)\n", errmsg);
1474         }
1475         return -1;
1476 }
1477
1478 unsigned char *jitCompCallFunc(unsigned char *dst, void *func)
1479 {
1480         struct JitCompWork w;
1481         w.dst = dst;
1482         jitCompA000_storeRegCacheAll(&w);
1483         jitCompA000_storePRegCacheAll(&w);
1484         jitCompPutByte1(w.dst, 0x60);   /* PUSHAD(); */
1485         jitCompPutByte1(w.dst, 0x50);   /* PUSH(EAX); */        /* for 16byte-align（win32では不要なのだけど、MacOSには必要らしい） */
1486         jitCompPutByte1(w.dst, 0x55);   /* PUSH(EBP); */
1487         jitCompPutByte1(w.dst, 0xe8);   /* CALL(func); */
1488         int j = ((unsigned char *)func) - (w.dst + 4);
1489
1490         //この関数の中では結局w->dstしか参照していない
1491         jitCompPutImm32(&w, j);
1492
1493         jitCompPutByte1(w.dst, 0x58);   /* POP(EAX); */         /* （win32では不要なのだけど、MacOSには必要らしい） */
1494         jitCompPutByte1(w.dst, 0x58);   /* POP(EAX); */
1495         jitCompPutByte1(w.dst, 0x61);   /* POPAD(); */
1496         jitCompA000_loadRegCacheAll(&w);
1497         jitCompA000_loadPRegCacheAll(&w);
1498         jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + 0x30 * 32 + 0); /* MOV(EAX, [EBP+?]); */
1499         jitCompPutByte2(w.dst, 0xff, 0xe0);     /* JMP(EAX); */
1500         return w.dst;
1501 }
1502
1503 unsigned char *jitCompInit(unsigned char *dst)
1504 {
1505         errfnc = dst;
1506         return jitCompCallFunc(dst, &errHndl);
1507 }
1508
1509 void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
1510 {
1511         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1512         int i, *pi;
1513         struct Ptr *pp;
1514         if (r->junkStack + 2048 > r->junkStack1) (*(r->errHndl))(r);
1515         pi = (void *)r->junkStack; r->junkStack += r1 * 4;
1516         for (i = 0; i < r1; i++)
1517                 pi[i] = r->ireg[i];
1518         pp = (void *)r->junkStack; r->junkStack += p1 * 32;
1519         for (i = 0; i < p1; i++)
1520                 pp[i] = r->preg[i];
1521         pp = (void *)r->junkStack; r->junkStack += 32;
1522         *pp = r->preg[0x30];
1523         pi = (void *)r->junkStack; r->junkStack += 4;
1524         *pi = opt << 16 | r1 << 8 | p1;
1525         for (i = 0; i < lenR; i++)
1526                 r->ireg[r0 + i] = r->ireg[0x30 + i];
1527         for (i = 0; i < lenP; i++)
1528                 r->preg[p0 + i] = r->preg[0x31 + i];
1529         return;
1530 }
1531
1532 void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
1533 {
1534         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1535         int i;
1536         r->junkStack -= 4;
1537         r->junkStack -= 32; struct Ptr *pp = (void *)r->junkStack;
1538         r->preg[0x30] = *pp;
1539         r->junkStack -= p1 * 32; pp = (void *)r->junkStack;
1540         for (i = 0; i < p1; i++)
1541                 r->preg[i] = pp[i];
1542         r->junkStack -= r1 * 4; int *pi = (void *)r->junkStack;
1543         for (i = 0; i < r1; i++)
1544                 r->ireg[i] = pi[i];
1545         return;
1546 }
1547
1548 void funcf4(char *ebp, int pxx, int typ, int len)
1549 {
1550         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1551         int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
1552         if (width < 0 || r->ireg[len] < 0)
1553                 (*(r->errHndl))(r);
1554         void *p = r->junkStack;
1555         if (r->junkStack + width * r->ireg[len] + 256 > r->junkStack1) (*(r->errHndl))(r);
1556         r->junkStack += width * r->ireg[len];
1557         r->preg[pxx].p = p;
1558         r->preg[pxx].typ = r->ireg[typ];
1559         r->preg[pxx].p0 = p;
1560         r->preg[pxx].p1 = (void *)r->junkStack;
1561         int *pi = (int *)r->junkStack;
1562         *pi = width * r->ireg[len];
1563         r->junkStack += sizeof (int);
1564         if (r->ireg[typ] == 1) {
1565                 int i, i1 = (width * r->ireg[len]) >> 2;
1566                 pi = p;
1567                 for (i = 0; i < i1; i++)
1568                         pi[i] = 0;
1569         }
1570         return;
1571 }
1572
1573 void funcf5(char *ebp, int pxx, int typ, int len)
1574 {
1575         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1576         r->junkStack -= sizeof (int);
1577         int *pi = (int *)r->junkStack;
1578         r->junkStack -= *pi;
1579 #if 0
1580         int width = jitCompA000_dataWidth(r->ireg[typ]);
1581         void *p = r->junkStack;
1582         r->junkStack -= width * r->ireg[len];
1583 #endif
1584         return;
1585 }
1586
1587 void funcf6(char *ebp, int pxx, int typ, int len)
1588 {
1589         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1590         int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
1591         if (width < 0 || r->ireg[len] < 0)
1592                 (*(r->errHndl))(r);
1593         void *p = malloc(width * r->ireg[len]);
1594         r->preg[pxx].p = p;
1595         r->preg[pxx].typ = r->ireg[typ];
1596         r->preg[pxx].p0 = p;
1597         r->preg[pxx].p1 = (unsigned char *)p + width * r->ireg[len];
1598         if (r->ireg[typ] == 1) {
1599                 int i, i1 = (width * r->ireg[len]) >> 2, *pi;
1600                 pi = p;
1601                 for (i = 0; i < i1; i++)
1602                         pi[i] = 0;
1603                 for (i = 1; i < i1; i += 8)
1604                         pi[i] |= -1;
1605         }
1606         return;
1607 }
1608
1609 void funcf7(char *ebp, int pxx, int typ, int len)
1610 {
1611         struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1612         free(r->preg[pxx].p);
1613         return;
1614 }
1615
1616 void errHndl(struct Regs *r)
1617 {
1618         r = (struct Regs *) (((char *)r) - jitCompA0001_EBP128);
1619         (*(r->errHndl))(r);
1620         // ここに帰ってきてはいけない.
1621 }
1622
1623 /*
1624  * jitcの出力コードをひとまとめにする関数を作成しその中身をjitCompile()で生成
1625  *
1626  * qq : 出力バイナリの書き込み位置のアドレスへの参照(書き込み位置を呼び出しに反映させるため参照渡しにする)
1627  * q1 : 出力バイナリの書き込み位置のアドレスの最大値
1628  * p0 : (*.ose)バイナリの読み込み位置のアドレス(ヘッダ部除去済)
1629  * p1 : (*.ose)バイナリの読み込み位置の取りうる最大値
1630  *      (ただし、「確保したメモリ」の最大値なのでこれより手前にゴミデータが入っているかもしれない)
1631  * ret=1 : ヘッダのエラー
1632  * ret=2 : jitコンパイルエラー
1633  */
1634 int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, struct LabelTable *label)
1635 {
1636         unsigned char *q = *qq;
1637         if (p0[0] != 0x05 || p0[1] != SIGN1)
1638                 return 1;
1639
1640         *q++ = 0x55; /* PUSH(EBP); */
1641         *q++ = 0x8b; *q++ = 0x6c; *q++ = 0x24; *q++ = 0x08; /* MOV(EBP,[ESP+8]); */
1642
1643         int i;
1644         for (i = 0; i < JITC_MAXLABELS; i++)
1645                 label[i].opt = 0;
1646
1647         // 以下のjitCompile()呼び出しでは第二引数をq1-2にした方がよいのではないか?
1648         i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, 0);
1649         if (i != 0) return 2;
1650         i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, JITC_PHASE1 + 0);
1651         if (i < 0) return 2;
1652         q += i;
1653
1654         *q++ = 0x5d; /* POP(EBP); */
1655         *q++ = 0xc3; /* RET(); */
1656
1657         *qq = q;
1658         return 0;
1659 }
1660
1661 #if (USE_DEBUGGER != 0)
1662
1663 int dbgrGetRegNum(const char *p)
1664 {
1665         int i, j, r = -1;
1666         if (p[2] <= ' ') {
1667                 i = p[0] - '0';
1668                 j = p[1] - '0';
1669                 if (i > 9) i -= 'A' - '0' - 10;
1670                 if (j > 9) j -= 'A' - '0' - 10;
1671                 if (0 <= i && i <= 15 && 0 <= j && j <= 15)
1672                         r = i << 4 | j;
1673         }
1674         return r;
1675 }
1676
1677 void dbgrMain(struct Regs *r)
1678 {
1679         if (r->dbgr == 0) return;
1680         for (;;) {
1681                 char cmd[64], *p;
1682                 int i, j, k;
1683                 printf("\ndbgr>");
1684                 p = fgets(cmd, 64, stdin);
1685                 if (p == NULL) break;
1686                 if (cmd[0] == '\0') continue;
1687                 if (cmd[0] == 'q' && cmd[1] <= ' ') break;
1688                 if (cmd[0] == 'p' && cmd[1] <= ' ' && cmd[1] != '\0') {
1689                         p = &cmd[2];
1690                         while (*p <= ' ' && *p != '\0') p++;
1691                         if (*p == 'R') {
1692                                 i = dbgrGetRegNum(p + 1);
1693                                 if (0 <= i && i <= 0x3f) {
1694                                         printf("R%02X = 0x%08X = %d\n", i, r->ireg[i], r->ireg[i]);
1695                                 }
1696                                 else
1697                                         puts("register name error");
1698                                 continue;
1699                         }
1700                         if (*p == 'P') {
1701                                 i = dbgrGetRegNum(p + 1);
1702                                 if (0 <= i && i <= 0x3f) {
1703                                         p = "invalid";
1704                                         if (0 <= r->preg[i].typ && r->preg[i].typ <= 0x15) {
1705                                                 static char *typName[] = {
1706                                                         "T_CODE", "T_VPTR", "T_SINT8", "T_UINT8",
1707                                                         "T_SINT16", "T_UINT16", "T_SINT32", "T_UINT32",
1708                                                         "T_SINT4", "T_UINT4", "T_SINT2", "T_UINT2",
1709                                                         "T_SINT1", "T_UINT1", "T_SINT12", "T_UINT12",
1710                                                         "T_SINT20", "T_UINT20", "T_SINT24", "T_UINT24",
1711                                                         "T_SINT28", "T_UINT28"
1712                                                 };
1713                                                 p = typName[r->preg[i].typ];
1714                                         }
1715                                         printf("P%02X:\n  type = %s(%04X),  (origin-ptr) = 0x%08X\n", i, p, r->preg[i].typ, (unsigned int)(r->preg[i].p0));
1716                                         if (r->preg[i].p != NULL && r->preg[i].p0 != NULL) {
1717                                                 j = jitCompA000_dataWidth(jitCompA000_convTyp(r->preg[i].typ)) >> 3;
1718                                                 if (j <= 0) j = 1;
1719                                                 k = (r->preg[i].p1 - r->preg[i].p0) / j;
1720                                                 printf("  size = 0x%08X = %d\n", k, k);
1721                                                 k = (r->preg[i].p - r->preg[i].p0) / j;
1722                                                 printf("  pos  = 0x%08X = %d\n", k, k);
1723                                         }
1724                                         else {
1725                                                 puts("  null pointer");
1726                                         }
1727                                 }
1728                                 else
1729                                         puts("register name error");
1730                                 continue;
1731                         }
1732                 }
1733                 puts("command error");
1734         }
1735         return;
1736 }
1737
1738 #endif
1739
1740
1741 #endif
1742
1743
1744