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
20 void errorHandler(struct Regs *r)
22 puts("security error! abort...");
23 printf("debugInfo0=%d, debugInfo1=%d¥n", r->debugInfo0, r->debugInfo1);
24 #if (USE_DEBUGGER != 0)
30 int jitCompCmdLen(const unsigned char *src)
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];
46 #if (JITC_ARCNUM == 0x0001) /* x86-32bit */
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
61 unsigned char *dst, *dst0;
63 #if (jitCompA0001_USE_R3F_IMM32 != 0)
66 char prefix; //CND命令の値を記録(初期値=0)
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
74 static void jitCompPutImm32(struct JitCompWork *w, int i)
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);
83 int jitCompGetImm32(const unsigned char *src)
85 return (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];
88 int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src)
90 int i = jitCompGetImm32(src);
91 if (i < 0 || i >= w->maxLabels) {
92 w->err = JITC_ERR_LABELNUM;
98 void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n)
100 disp -= jitCompA0001_EBP128;
101 if (-128 <= disp && disp <= 127) {
102 jitCompPutByte2(w->dst, 0x45 | (n << 3), disp & 0xff);
105 jitCompPutByte1(w->dst, 0x85 | (n << 3));
106 jitCompPutImm32(w, disp);
111 void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32)
113 jitCompPutByte1(w->dst, 0x89); /* MOV(mem, reg32); */
114 jitCompA0001_85DispN(w, disp, reg32);
118 void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp)
120 jitCompPutByte1(w->dst, 0x8b); /* MOV(reg32, mem); */
121 jitCompA0001_85DispN(w, disp, reg32);
125 void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx)
127 #if (jitCompA0001_USE_R3F_IMM32 != 0)
129 jitCompPutByte1(w->dst, 0xb8); /* MOV(EAX, ?); */
130 jitCompPutImm32(w, w->r3f);
134 if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
135 jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, rxx * 4); /* MOV(EAX, [EBP+?]); */
139 void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx)
141 if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
142 jitCompA0001_movEbpDispReg32(w, rxx * 4, 0 /* EAX */); /* MOV([EBP+?], EAX); */
146 void jitCompA0001_fixPrefix(struct JitCompWork *w)
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);
155 void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1)
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 */
163 void jitCompA000_loadRegCacheAll(struct JitCompWork *w)
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; */
171 void jitCompA000_storeRegCacheAll(struct JitCompWork *w)
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; */
179 void jitCompA000_loadRegCacheEcx(struct JitCompWork *w)
181 jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
185 void jitCompA000_storeRegCacheEcx(struct JitCompWork *w)
187 jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
191 void jitCompA000_loadRegCacheEdx(struct JitCompWork *w)
193 jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
197 void jitCompA000_storeRegCacheEdx(struct JitCompWork *w)
199 jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
203 int jitCompA000_selectRegCache(int rxx, int reg)
205 if (rxx == 0) reg = 3; /* EBX */
206 if (rxx == 1) reg = 1; /* ECX */
207 if (rxx == 2) reg = 2; /* EDX */
211 void jitCompA000_loadPRegCacheAll(struct JitCompWork *w)
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; */
219 void jitCompA000_storePRegCacheAll(struct JitCompWork *w)
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; */
227 int jitCompA000_selectPRegCache(int pxx, int reg)
229 // if (pxx == 0) reg = 5; /* EBP */
230 if (pxx == 1) reg = 6; /* ESI */
231 if (pxx == 2) reg = 7; /* EDI */
235 int jitCompA000_convTyp(int t)
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);
245 int jitCompA000_dataWidth(int t)
248 if (t == 0x0001) r = 256;
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;
263 static unsigned char *errfnc;
265 void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac)
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));
276 void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac)
278 // 将来的にはaliveやアクセス権チェックも入れる
280 jitCompA0001_checkType0(w, pxx, typ, ac);
284 void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx)
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));
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.
305 void errHndl(struct Regs *r);
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
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)
316 /* 本来ならこのレイヤでは文法チェックしない */
318 struct JitCompWork w;
319 unsigned char *dst00 = dst, *errmsg = "", *enter0 = NULL, *tmp_ucp;
320 const unsigned char *oldsrc;
321 int timecount = 0, i, j = 0, lastlabel = -1, debugInfo0 = -1;
322 int reg0, reg1, reg2, cmp0reg = -1, cmp0lev = 0;
323 w.dst = w.dst0 = dst;
325 w.maxLabels = maxLabels;
327 if ((flags & JITC_NOSTARTUP) == 0) {
328 jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
329 jitCompA000_loadRegCacheAll(&w); /* start-up */
330 jitCompA000_loadPRegCacheAll(&w);
332 if (level <= JITC_LV_SLOWER) {
333 jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
334 jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
335 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
336 jitCompPutImm32(&w, debugInfo1);
337 jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
340 w.prefix = 0; //0x04 CND 命令で変更される
341 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 if (timecount >= 64) {
345 /* 未完成(timeoutチェックコードを入れる) */
347 prefix_continue: // CND命令実行後ここに戻る
351 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!
357 * LB : ラベル設置命令。(6byte)
359 * ・timecount++し、timecountのチェックをする。
361 * ・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。
368 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
369 // LB命令の後に0x3C命令・・・beginFunc()
370 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 jitCompPutImm32(&w, 0); // 飛び相対座標が0 ・・・パイプラインのフラッシュ??
374 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 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
377 i = jitCompGetImm32(&src[7]); // type32 を取得
380 i = jitCompA000_convTyp(i);
382 if (i == 2 || i == 3) { j = 1; }
383 if (i == 4 || i == 5) { j = 2; }
384 if (i == 6 || i == 7) { j = 4; }
386 j *= jitCompGetImm32(&src[11]);
387 if (j <= 0) w.err = JITC_ERR_BADTYPE;
388 jitCompPutImm32(&w, j);
389 #if (jitCompA0001_OPTIMIZE_JMP != 0)
390 if (j <= 127 - jitCompA0001_OPTIMIZE_ALIGN) {
392 jitCompPutByte2(w.dst, 0xeb, j);
396 #if (jitCompA0001_OPTIMIZE_ALIGN != 0)
398 i = ((int)w.dst) & (jitCompA0001_OPTIMIZE_ALIGN - 1); /* ALIGNで割ったあまりを計算 */
400 i = jitCompA0001_OPTIMIZE_ALIGN - i;
401 if (i == 1) { jitCompPutByte1(w.dst, 0x90); j += i; } /* NOP(); */
402 if (i == 2) { jitCompPutByte2(w.dst, 0x89, 0xc0); j += i; } /* MOV(EAX, EAX); */
403 if (i == 3) { jitCompPutByte3(w.dst, 0x8d, 0x76, 0x00); j += i; } /* LEA(ESI, [ESI+0]); */
404 if (i == 4) { jitCompPutByte4(w.dst, 0x8d, 0x74, 0x26, 0x00); j += i; } /* LEA(ESI, [ESI*1+0]); */
405 if (i == 5) { jitCompPutByte1(w.dst, 0x0d); jitCompPutImm32(&w, 0); j += i; } /* OR(EAX, 0); */
406 if (i == 6) { jitCompPutByte2(w.dst, 0x8d, 0xb6); jitCompPutImm32(&w, 0); j += i; } /* LEA(ESI, [ESI+0]); */
407 if (i >= 7) { jitCompPutByte3(w.dst, 0x8d, 0xb4, 0x26); jitCompPutImm32(&w, 0); j += 7; } /* LEA(ESI, [ESI*1+0]); */
410 if (src[6] == 0x34) {
411 tmp_ucp[1] = j & 0xff;
412 if (*tmp_ucp == 0xe9) {
413 tmp_ucp[2] = (j >> 8) & 0xff;
414 tmp_ucp[3] = (j >> 16) & 0xff;
415 tmp_ucp[4] = (j >> 24) & 0xff;
418 if ((flags & JITC_PHASE1) == 0) {
419 i = jitCompGetLabelNum(&w, src + 2);
420 //printf("i=%06X %06X¥n", i, src-src0);
421 if (label[i].opt != 0 && w.err == 0) { w.err = JITC_ERR_LABELREDEF; goto err_w; }
422 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
423 label[i].opt = src[1] + 1;
424 label[i].typ = 0; /* TYP_CODE */
426 label[i].p1 = w.dst + 1;
431 /* 未完成(timeoutチェックコードを入れる) */
434 case 0x02: /* LIMM */
437 * LIMM : 定数即値代入命令(6byte)
442 * ・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。
445 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 #if (jitCompA0001_USE_R3F_IMM32 != 0)
448 if (src[1] == 0x3f) { // R3Fへの代入は例外敵に、 w.r3f を使用
449 w.r3f = jitCompGetImm32(src + 2);
453 i = jitCompGetImm32(src + 2); // 与えられた即値(第二引数)を取得
455 /* 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 */
456 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
458 #if (jitCompA0001_OPTIMIZE_MOV != 0)
460 jitCompPutByte2(w.dst, 0x31, 0xc0 | reg0 << 3 | reg0); /* XOR(reg0, reg0); */
461 jitCompA0001_movRxxEax(&w, src[1]);
466 /* reg0 のレジスタに対応したMOV命令を発行 */
467 jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); == 10111000b+wr imm32 */
468 jitCompPutImm32(&w, i);
470 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 jitCompA0001_movRxxEax(&w, src[1]);
475 case 0x03: /* PLIMM */ /* 未完成(plsまで対応) */
478 * PLIMM : ラベル番号代入命令(6byte)
487 i = jitCompGetLabelNum(&w, src + 2); // Pxxに代入するラベルの番号(第二引数)
488 if ((flags & JITC_PHASE1) != 0 && w.err == 0) { // Phase 1であるならば
489 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
490 if (src[1] != 0x3f && label[i].opt != 2) { w.err = JITC_ERR_LABELTYP; goto err_w; } //
491 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 if (src[1] == 0x3f) { // プログラムカウンタへの代入なら
494 if (w.prefix == 0) { // CND命令による条件付きでなければ、即座に移動
495 jitCompPutByte1(w.dst, 0xe9); /* JMP(?); */
504 * いま、dstの末端はJZ命令になっている。 0x0F 0x84 cd
508 w.dst[-1] = w.dst[-2] ^ 0xf1; /* 74->85, 75->84 */
514 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)
515 j = label[i].p - (w.dst + 4); // j はとび先の相対番地
516 jitCompPutImm32(&w, j); // JMP もしくは JZ 命令のアドレス部を記述
517 #if (jitCompA0001_OPTIMIZE_JMP != 0)
518 if (-128 - 3 <= j && j < 0) {
519 if (w.dst[-5] == 0xe9) {
522 jitCompPutByte1(w.dst, 0xeb); /* JMP(?); */
527 jitCompPutByte1(w.dst, w.dst[1] ^ 0xf0);
529 jitCompPutByte1(w.dst, j & 0xff);
533 else { // プログラムカウンタ以外への代入
535 // 代入先が P01, P02なら ESI, EDI,それ以外ならEAXを指定
536 reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
537 jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
538 jitCompPutImm32(&w, (int)label[i].p); // ラベルのパスを各レジスタに代入
540 // 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 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32, 0); /* MOV([EBP+?], EAX); */
544 if (level < JITC_LV_FASTEST) {
545 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 8, reg0); /* MOV([EBP+?], reg0); */ /* p0 */
546 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
547 jitCompPutImm32(&w, label[i].typ);
548 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 4, 0); /* MOV([EBP+?], EAX); */ /* typ */
549 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
550 jitCompPutImm32(&w, (int)label[i].p1);
551 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 12, 0); /* MOV([EBP+?], EAX); */ /* p1 */
552 jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
553 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 16, 0); /* MOV([EBP+?], EAX); */ /* liveSign */
554 jitCompA0001_movReg32EbpDisp(&w, 0, 2320); /* MOV(EAX, ptrCtrl); */
555 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 20, 0); /* MOV([EBP+?], EAX); */ /* pls */
560 case 0x04: /* CND (prefix) */
561 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 // 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
564 reg0 = jitCompA000_selectRegCache(src[1], -1 /* mem */);
567 if (reg0 < 0) { //比較対象のレジスタはメモリ上にある
568 jitCompPutByte1(w.dst, 0xf7); /* TEST([EBP+?],1); */
569 jitCompA0001_85DispN(&w, src[1] * 4, 0);
572 jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); /* TEST(reg0,1); */
574 jitCompPutImm32(&w, 1);
577 jitCompPutByte2(w.dst, 0x74, 0x00); /* JZ($+2) */
579 if (w.err != 0) goto err_w;
581 w.prefix = 1; // プリフィックスをセット
583 goto prefix_continue;
585 case 0x08: /* LMEM */ /* 完成 */
586 i = jitCompGetImm32(src + 2);
587 if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
588 if (level < JITC_LV_FASTER) {
589 jitCompA0001_checkType(&w, src[6], i, 0); // read
592 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
593 reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
594 if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
596 if (reg1 == 2 /* EDX */)
597 jitCompA000_storeRegCacheEdx(&w);
598 if (reg1 <= 3 /* EAX, EDX */)
599 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
600 if (level < JITC_LV_FASTER)
601 jitCompA0001_checkLimit(&w, reg1, src[6]);
602 i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
605 jitCompPutByte3(w.dst, 0x0f, 0xbe, reg0 << 3 | reg1); /* MOVSX(reg0,BYTE [reg1]); */
608 jitCompPutByte3(w.dst, 0x0f, 0xb6, reg0 << 3 | reg1); /* MOVZX(reg0,BYTE [reg1]); */
611 jitCompPutByte3(w.dst, 0x0f, 0xbf, reg0 << 3 | reg1); /* MOVSX(reg0,WORD [reg1]); */
614 jitCompPutByte3(w.dst, 0x0f, 0xb7, reg0 << 3 | reg1); /* MOVZX(reg0,WORD [reg1]); */
618 jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
621 w.err = JITC_ERR_BADTYPE;
623 if (reg0 == 0 /* EAX */)
624 jitCompA0001_movRxxEax(&w, src[1]);
625 if (reg1 == 2 /* EDX */)
626 jitCompA000_loadRegCacheEdx(&w);
629 case 0x09: /* SMEM */ /* 完成 */
630 i = jitCompGetImm32(src + 2);
631 if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
632 if (level < JITC_LV_FASTER) {
633 jitCompA0001_checkType(&w, src[6], i, 1); // write
636 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
637 reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
638 if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
640 if (reg1 == 2 /* EDX */)
641 jitCompA000_storeRegCacheEdx(&w);
642 if (reg1 <= 3 /* EAX, EDX */)
643 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
644 if (level < JITC_LV_FASTER)
645 jitCompA0001_checkLimit(&w, reg1, src[6]);
646 if (reg0 == 0 /* EAX */)
647 jitCompA0001_movEaxRxx(&w, src[1]);
649 i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
653 jitCompPutByte2(w.dst, 0x88, reg0 << 3 | reg1); /* MOV([reg1], BYTE(reg0)); */
657 jitCompPutByte3(w.dst, 0x66, 0x89, reg0 << 3 | reg1); /* MOV([reg1], WORD(reg0)); */
661 jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
664 w.err = JITC_ERR_BADTYPE;
666 if (reg1 == 2 /* EDX */)
667 jitCompA000_loadRegCacheEdx(&w);
670 case 0x0a: /* PLMEM */ /* 完成 */
671 i = jitCompGetImm32(src + 2);
672 if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
673 if (level < JITC_LV_FASTER) {
674 jitCompA0001_checkType(&w, src[6], i, 0); // read
677 reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
678 reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
679 // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない!(by K, 2013.08.02) */
680 // reg1 = 0; /* EAX */
681 if (reg0 == reg1 && reg0 != 0) { // bugfix: hinted by yao, 2013.09.14. thanks!
682 jitCompA000_storePRegCacheAll(&w);
685 if (reg1 == 2 /* EDX */)
686 jitCompA000_storeRegCacheEdx(&w);
687 if (reg1 <= 3 /* EAX, EDX */)
688 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
689 if (level < JITC_LV_FASTER)
690 jitCompA0001_checkLimit(&w, reg1, src[6]);
691 jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
692 if (reg0 == 0 /* EAX */)
693 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0); /* MOV([EBP+?], EAX); */
694 for (i = 4; i < 32; i += 4) {
695 jitCompPutByte3(w.dst, 0x8b, 0x40 | reg1, i); /* MOV(EAX, [reg1+?]); */
696 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
698 if (reg1 == 2 /* EDX */)
699 jitCompA000_loadRegCacheEdx(&w);
702 case 0x0b: /* PSMEM */ /* 完成 */
703 i = jitCompGetImm32(src + 2);
704 if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
705 if (level < JITC_LV_FASTER) {
706 jitCompA0001_checkType(&w, src[6], i, 1); // write
709 reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
710 reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
711 // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない!(by K, 2013.08.02) */
712 // reg1 = 0; /* EAX */
713 if (reg1 == 2 /* EDX */)
714 jitCompA000_storeRegCacheEdx(&w);
715 if (reg1 <= 3 /* EAX, EDX */)
716 jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
717 if (level < JITC_LV_FASTER)
718 jitCompA0001_checkLimit(&w, reg1, src[6]);
719 if (reg0 == 0 /* EAX */)
720 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[1] * 32 + 0); /* MOV(reg0, [EBP+?]); */
721 jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
722 for (i = 4; i < 32; i += 4) {
723 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[1] * 32 + i); /* MOV(EAX, [EBP+?]); */
724 jitCompPutByte3(w.dst, 0x89, 0x40 | reg1, i); /* MOV([reg1+?], EAX); */
726 if (reg1 == 2 /* EDX */)
727 jitCompA000_loadRegCacheEdx(&w);
730 case 0x0e: /* PADD */ /* 完成 */
731 if (level < JITC_LV_FASTER) {
732 jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 2), 2); // other, aliveテストはとりあえずしない.
735 reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
736 reg1 = jitCompA000_selectPRegCache(src[6], -1 /* mem */);
737 if (reg1 < 0 /* mem */)
738 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
739 if (reg1 >= 0 && reg0 != reg1) {
740 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
742 i = jitCompGetImm32(src + 2);
747 i = jitCompA000_convTyp(i);
748 if (0x0002 <= i && i <= 0x0007)
749 j = (i - 0x0002) >> 1;
751 if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
752 #if (jitCompA0001_USE_R3F_IMM32 != 0)
753 if (src[7] == 0x3f) {
755 #if (jitCompA0001_USE_R3F_IMM8 != 0)
756 if (-0x80 <= j && j <= 0x7f) {
757 #if (jitCompA0001_USE_R3F_INCDEC != 0)
758 if (j == 1) { jitCompPutByte1(w.dst, 0x40 | reg0); goto padd1; } /* INC */
759 if (j == -1) { jitCompPutByte1(w.dst, 0x48 | reg0); goto padd1; } /* DEC */
761 jitCompPutByte3(w.dst, 0x83, 0xc0 | reg0, j & 0xff); /* ADD(reg0, im8); */
766 jitCompPutByte1(w.dst, 0x05); /* ADD(reg0, ?); */
769 jitCompPutByte2(w.dst, 0x81, 0xc0 | reg0); /* ADD(reg0, ?); */
771 jitCompPutImm32(&w, j);
775 if (src[7] >= 0x40) w.err = JITC_ERR_REGNUM;
777 reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
779 jitCompPutByte2(w.dst, 0x01, 0xc0 | reg1 << 3 | reg0); /* ADD(reg0, reg1); */
782 jitCompPutByte1(w.dst, 0x03); /* ADD(reg0, [EBP+?]); */
783 jitCompA0001_85DispN(&w, src[7] * 4, reg0);
787 reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
789 jitCompA000_storeRegCacheEdx(&w);
791 jitCompA0001_movReg32EbpDisp(&w, reg2, src[7] * 4); /* MOV(reg2, [EBP+?]); */
792 if (reg1 >= 0 && reg1 != reg2) {
793 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg2); /* MOV(reg2, reg1); */
795 jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg2, j); /* SHL(reg2, ?); */
796 jitCompPutByte2(w.dst, 0x01, 0xc0 | reg2 << 3 | reg0); /* ADD(reg0, reg2); */
797 jitCompA000_loadRegCacheEdx(&w);
799 #if (jitCompA0001_USE_R3F_IMM32 != 0)
802 if (reg0 == 0 /* EAX */)
803 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, reg0); /* MOV([EBP+?], reg0); */
804 if (src[1] != src[6]) {
805 for (i = 4; i < 32; i += 4) {
806 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
807 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
813 case 0x0f: /* PDIF */ /* 未完成 */
814 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
815 jitCompA000_storePRegCacheAll(&w); // 手抜き.
816 jitCompA0001_checkCompPtr(&w, src[6], src[7]);
817 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
818 jitCompPutByte1(w.dst, 0x2b); /* SUB(EAX, [EBP+?]); */
819 jitCompA0001_85DispN(&w, 256 + src[7] * 32 + 0, reg0);
820 i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
822 if (0x0002 <= i && i <= 0x0007)
823 j = (i - 0x0002) >> 1;
824 if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
826 jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, j); /* SAR(reg0,?); */
828 if (reg0 == 0 /* EAX */)
829 jitCompA0001_movRxxEax(&w, src[1]);
830 cmp0reg = src[1]; cmp0lev = 1;
839 if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
840 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
841 reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
842 #if (jitCompA0001_USE_R3F_IMM32 != 0)
843 if (src[2] == 0x3f) { // SUBのみ該当.
844 if (*src != 0x15) w.err = JITC_ERR_REGNUM;
845 reg2 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
847 jitCompA000_storeRegCacheAll(&w);
848 jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
849 jitCompPutImm32(&w, w.r3f);
850 jitCompPutByte1(w.dst, 0x2b);
851 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
853 jitCompA0001_movRxxEax(&w, src[1]);
858 jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg0, [EBP+?]); */
860 if (reg1 >= 0 && reg0 != reg1) {
861 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
863 if (!(src[0] == 0x10 && src[3] == 0xff)) { // bugfix: hinted by Iris, 2013.06.26. thanks!
871 if (!(src[0] == 0x10 && src[3] == 0xff)) {
872 #if (jitCompA0001_USE_R3F_IMM32 != 0)
873 if (src[3] == 0x3f) {
874 if (*src == 0x16 && w.r3f == -1) {
875 jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
877 jitCompA0001_movRxxEax(&w, src[1]);
880 #if (jitCompA0001_USE_R3F_INCDEC != 0)
881 if ((*src == 0x14 && w.r3f == 1) || (*src == 0x15 && w.r3f == -1)) {
882 jitCompPutByte1(w.dst, 0x40 | reg0); /* INC(reg0); */
884 jitCompA0001_movRxxEax(&w, src[1]);
887 if ((*src == 0x15 && w.r3f == 1) || (*src == 0x14 && w.r3f == -1)) {
888 jitCompPutByte1(w.dst, 0x48 | reg0); /* DEC(reg0); */
890 jitCompA0001_movRxxEax(&w, src[1]);
894 #if (jitCompA0001_USE_R3F_IMM8 != 0)
895 if (-0x80 <= w.r3f && w.r3f <= 0x7f) {
897 static unsigned char basic_op_table_im8[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
898 jitCompPutByte3(w.dst, 0x83, basic_op_table_im8[*src - 0x10] | reg0, w.r3f & 0xff);
901 jitCompPutByte3(w.dst, 0x6b, 0xc0 | reg0 << 3 | reg0, w.r3f & 0xff);
904 jitCompA0001_movRxxEax(&w, src[1]);
908 if (reg0 == 0 /* EAX */) {
909 static unsigned char basic_op_table_im32_eax[] = { 0x0d, 0x35, 0x25, 0, 0x05, 0x2d, 0xc0 };
910 if (*src == 0x16) { jitCompPutByte1(w.dst, 0x69); }
911 jitCompPutByte1(w.dst, basic_op_table_im32_eax[*src - 0x10]);
915 static unsigned char basic_op_table_im32_reg[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
916 jitCompPutByte2(w.dst, 0x81, basic_op_table_im32_reg[*src - 0x10] | reg0);
919 jitCompPutByte2(w.dst, 0x69, 0xc0 | reg0 << 3 | reg0);
922 jitCompPutImm32(&w, w.r3f);
924 jitCompA0001_movRxxEax(&w, src[1]);
928 reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
929 if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
932 static unsigned char basic_op_table_rr[] = { 0x09, 0x31, 0x21, 0, 0x01, 0x29 }; /* op(reg,reg); */
933 jitCompPutByte2(w.dst, basic_op_table_rr[*src - 0x10], 0xc0 | reg1 << 3 | reg0);
936 static unsigned char basic_op_table_rm[] = { 0x0b, 0x33, 0x23, 0, 0x03, 0x2b, 0xaf }; /* op(reg,mem); */
937 jitCompPutByte1(w.dst, basic_op_table_rm[*src - 0x10]);
938 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
943 jitCompPutByte3(w.dst, 0x0f, 0xaf, 0xc0 | reg0 << 3 | reg1);
946 jitCompPutByte2(w.dst, 0x0f, 0xaf);
947 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
952 jitCompA0001_movRxxEax(&w, src[1]);
957 if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
958 if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
959 #if (jitCompA0001_USE_R3F_IMM32 != 0)
960 if (src[3] == 0x3f) {
961 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
962 reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
963 if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
965 jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg1, [EBP+?]); */
968 jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
971 if (*src == 0x18) { jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg0, w.r3f); } /* SHL(reg0, im8); */
972 if (*src == 0x19) { jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, w.r3f); } /* SAR(reg0, im8); */
973 if (reg0 == 0 /* EAX */)
974 jitCompA0001_movRxxEax(&w, src[1]);
980 jitCompA000_storeRegCacheAll(&w); // 手抜き.
981 jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
982 #if (jitCompA0001_USE_R3F_IMM32 != 0)
983 if (src[2] == 0x3f) {
984 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
985 jitCompPutImm32(&w, w.r3f);
988 jitCompA0001_movEaxRxx(&w, src[2]);
991 jitCompA0001_movEaxRxx(&w, src[2]);
993 if (*src == 0x18) { jitCompPutByte2(w.dst, 0xd3, 0xe0); } /* SHL(EAX, CL); */
994 if (*src == 0x19) { jitCompPutByte2(w.dst, 0xd3, 0xf8); } /* SAR(EAX, CL); */
995 jitCompA0001_movRxxEax(&w, src[1]);
996 jitCompA000_loadRegCacheAll(&w); // 手抜き.
1001 case 0x1a: /* DIV */
1002 case 0x1b: /* MOD */
1003 if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
1004 if (src[2] >= 0x40) w.err = JITC_ERR_REGNUM;
1005 if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
1006 jitCompA000_storeRegCacheAll(&w); // 手抜き.
1007 #if (jitCompA0001_USE_R3F_IMM32 != 0)
1008 if (src[3] == 0x3f) {
1009 jitCompPutByte1(w.dst, 0xb8 | 1); /* MOV(ECX, ?); */
1010 jitCompPutImm32(&w, w.r3f);
1013 jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
1015 if (src[2] == 0x3f) {
1016 jitCompPutByte1(w.dst, 0xb8 | 0); /* MOV(EAX, ?); */
1017 jitCompPutImm32(&w, w.r3f);
1020 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
1023 jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
1024 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
1026 jitCompPutByte1(w.dst, 0x99); /* CDQ(); */
1027 /* ECXがゼロではないことを確認すべき */
1028 jitCompPutByte2(w.dst, 0xf7, 0xf9); /* IDIV(ECX); */
1029 if (*src == 0x1a) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 0 /* EAX */); }
1030 if (*src == 0x1b) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 2 /* EDX */); }
1031 jitCompA000_loadRegCacheAll(&w); // 手抜き.
1035 case 0x1c: /* PLMT0 */
1036 case 0x1d: /* PLMT1 */
1037 if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1038 if (level < JITC_LV_FASTEST) {
1040 if (level < JITC_LV_FASTER) {
1041 // typ が一致していることを確認.
1042 // plsとliveSignが一致していることを確認.
1044 // preg1はp0 <= p <= p1 を満たしているか?.
1045 // 新しいp0/p1は古いp0〜p1に適合しているか?.
1050 case 0x1e: /* PCP */ /* 未完成(p1まで完成) */
1051 if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1052 if (src[2] == 0x3f) w.err = JITC_ERR_PREGNUM;
1053 if (src[1] != 0x3f) {
1054 /* src[2] == 0xff の場合に対応できてない */
1055 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1056 for (i = 0; i < 32; i += 4) {
1057 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + i); /* MOV(EAX, [EBP+?]); */
1058 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1060 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1063 if (level < JITC_LV_FASTER) {
1064 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */
1065 jitCompPutByte3(w.dst, 0x83, 0xf8, 0); /* CMP(EAX, 0); */
1066 jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
1067 jitCompPutImm32(&w, errfnc - (w.dst + 4));
1068 /* セキュリティチェックが足りてない!(aliveとか) */
1071 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1072 jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
1073 if (level < JITC_LV_FASTER) {
1074 jitCompPutByte1(w.dst, 0x3b); /* CMP(reg0, [EBP+?]); */
1075 jitCompA0001_85DispN(&w, 256 + src[2] * 32 + 8, reg0); /* p0 */
1076 jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
1077 jitCompPutImm32(&w, errfnc - (w.dst + 4));
1079 jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
1083 case 0x1f: /* PCST */
1084 if (jitCompGetImm32(src + 2) == 0) {
1085 if (level < JITC_LV_FASTER)
1086 jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 7), 2);
1087 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1088 for (i = 0; i < 32 - 4; i += 4) {
1089 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
1091 jitCompPutByte1(w.dst, 0x0d); /* OR(EAX, ?); */
1092 jitCompPutImm32(&w, 0x80000000);
1094 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1096 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
1097 jitCompPutImm32(&w, debugInfo1);
1098 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 28, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1099 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1103 if (jitCompGetImm32(src + 7) == 0) {
1104 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1105 for (i = 0; i < 32 - 4; i += 4) {
1106 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
1108 jitCompPutByte1(w.dst, 0x25); /* AND(EAX, ?); */
1109 jitCompPutImm32(&w, 0x7fffffff);
1111 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
1113 if (level < JITC_LV_FASTER) {
1114 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + 28); /* MOV(EAX, [EBP+?]); */
1115 jitCompPutByte1(w.dst, 0x3d); /* CMP(EAX, ?); */
1116 jitCompPutImm32(&w, debugInfo1);
1117 jitCompPutByte2(w.dst, 0x74, 8); /* JE */
1118 jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); (2) */
1119 jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0 /* EAX */); /* MOV([EBP+?], EAX); (1+1+4) */
1121 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1125 w.err = JITC_ERR_OPECODE;
1128 case 0x20: /* CMPE */
1129 case 0x21: /* CMPNE */
1130 case 0x22: /* CMPL */
1131 case 0x23: /* CMPGE */
1132 case 0x24: /* CMPLE */
1133 case 0x25: /* CMPG */
1134 case 0x26: /* TSTZ */
1135 case 0x27: /* TSTNZ */
1136 reg0 = jitCompA000_selectRegCache(src[2], 0 /* EAX */);
1137 reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
1138 if (src[1] == 0x3f) {
1140 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1141 if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
1142 w.err = JITC_ERR_IDIOM; goto err_w;
1146 jitCompA0001_movEaxRxx(&w, src[2]);
1147 #if (jitCompA0001_USE_R3F_IMM32 != 0)
1148 if (src[3] == 0x3f) {
1149 #if (jitCompA0001_OPTIMIZE_CMP != 0)
1150 if ((*src <= 0x25 && w.r3f == 0) || (*src >= 0x26 && w.r3f == -1)) {
1152 if (cmp0reg == src[2]) {
1153 if (cmp0lev >= 1 && (src[0] == 0x20 || src[0] == 0x21 || src[0] == 0x26 || src[0] == 0x27))
1155 if (cmp0lev >= 2 && (src[0] == 0x22 || src[0] == 0x23 || src[0] == 0x24 || src[0] == 0x25))
1159 jitCompPutByte2(w.dst, 0x85, 0xc0 | reg0 << 3 | reg0); /* TEST(reg0, reg0); */
1166 #if (jitCompA0001_USE_R3F_IMM8 != 0)
1167 if (-0x80 <= w.r3f && w.r3f <= 0x7f && *src <= 0x25) {
1168 jitCompPutByte3(w.dst, 0x83, 0xf8 | reg0, w.r3f);
1173 if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3d); }
1174 if (*src >= 0x26) { jitCompPutByte1(w.dst, 0xa9); }
1177 if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x81, 0xf8 | reg0); }
1178 if (*src >= 0x26) { jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); }
1180 jitCompPutImm32(&w, w.r3f);
1184 if (src[3] >= 0x40) w.err = JITC_ERR_PREGNUM;
1186 if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x39, 0xc0 | reg1 << 3 | reg0); }
1187 if (*src >= 0x26) { jitCompPutByte2(w.dst, 0x85, 0xc0 | reg1 << 3 | reg0); }
1190 if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3b); }
1191 if (*src >= 0x26) { jitCompPutByte1(w.dst, 0x85); }
1192 jitCompA0001_85DispN(&w, src[3] * 4, reg0);
1195 if (w.err != 0) goto err_w;
1196 static unsigned char cmpcc_table0[] = {
1197 0x04, 0x05, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, /* CMPcc, TSTcc */
1198 0x04, 0x05, 0x02, 0x03, 0x06, 0x07 /* PCMPcc */
1200 #if (jitCompA0001_USE_R3F_CMPJMP != 0)
1201 if (src[1] == 0x3f) {
1203 jitCompPutByte2(w.dst, 0x0f, 0x80 | cmpcc_table0[*src - 0x20]);
1205 i = jitCompGetLabelNum(&w, src + 2);
1206 if ((flags & JITC_PHASE1) != 0 && w.err != 0) {
1207 if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
1208 // if (label[i].typ != 1) { w.err = JITC_ERR_LABELTYP; goto err_w; }
1211 if ((flags & JITC_PHASE1) != 0 || ((flags & JITC_PHASE1) == 0) && label[i].opt != 0)
1212 j = label[i].p - (w.dst + 4);
1213 jitCompPutImm32(&w, j);
1214 #if (jitCompA0001_OPTIMIZE_JMP != 0)
1215 if (-128 - 4 <= j && j < 0) {
1218 jitCompPutByte2(w.dst, w.dst[1] ^ 0xf0, j & 0xff);
1222 if (w.err != 0) goto err_w;
1227 reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
1228 jitCompPutByte3(w.dst, 0x0f, 0x90 | cmpcc_table0[*src - 0x20], 0xc0 | reg0); /* SETcc(BYTE(reg0)); */
1229 jitCompPutByte3(w.dst, 0x0f, 0xb6, 0xc0 | reg0 << 3 | reg0); /* MOVZX(reg0, BYTE(reg0)); */
1230 jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
1232 jitCompA0001_movRxxEax(&w, src[1]);
1237 case 0x28: /* PCMPE */
1238 case 0x29: /* PCMPNE */
1239 case 0x2a: /* PCMPL */
1240 case 0x2b: /* PCMPGE */
1241 case 0x2c: /* PCMPLE */
1242 case 0x2d: /* PCMPG */
1243 if (src[1] == 0x3f) {
1245 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1246 if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
1247 w.err = JITC_ERR_IDIOM; goto err_w;
1250 if (src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
1251 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1253 jitCompA0001_checkCompPtr(&w, src[2], src[3]);
1254 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
1255 if (src[3] != 0xff) {
1256 jitCompPutByte1(w.dst, 0x3b); /* CMP(EAX, [EBP+?]); */
1257 jitCompA0001_85DispN(&w, 256 + src[3] * 32 + 0, 0);
1260 /* 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 */
1261 jitCompPutByte3(w.dst, 0x83, 0xf8, 0x00); /* CMP(EAX, 0); */
1266 case 0x30: /* talloc(old:F4) */
1267 case 0x31: /* tfree(old:F5) */
1268 case 0x32: /* malloc(old:F6) */
1269 case 0x33: /* mfree(old:F7) */
1270 jitCompA000_storeRegCacheAll(&w); // 手抜き.
1271 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1272 jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
1273 jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
1274 jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
1275 jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
1276 jitCompPutByte1(w.dst, 0xe8);
1277 if (*src == 0x30) j = ((unsigned char *)&funcf4) - (w.dst + 4);
1278 if (*src == 0x31) j = ((unsigned char *)&funcf5) - (w.dst + 4);
1279 if (*src == 0x32) j = ((unsigned char *)&funcf6) - (w.dst + 4);
1280 if (*src == 0x33) j = ((unsigned char *)&funcf7) - (w.dst + 4);
1281 jitCompPutImm32(&w, j);
1282 jitCompPutByte3(w.dst, 0x83, 0xc4, 0x10); /* ADD(ESP,16); */
1283 jitCompA000_loadRegCacheAll(&w); // 手抜き.
1284 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1288 case 0x34: /* data (暫定) */
1290 if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
1291 int k = jitCompGetImm32(&src[1]), tmpData, bitCount, dataWidth = jitCompA000_dataWidth(k);
1292 if (lastlabel >= 0 && label[lastlabel].typ == 0)
1293 label[lastlabel].typ = k;
1295 i = jitCompA000_convTyp(k);
1296 if (i < 2 || i > 7) { w.err = JITC_ERR_BADTYPE; goto err_w; }
1298 j = jitCompGetImm32(&src[5]);
1304 if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
1305 if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
1307 for (k = 0; k < dataWidth; k++) {
1308 tmpData = tmpData << 1 | ((*src >> bitCount) & 1);
1315 if ((i & 1) == 0 && dataWidth <= 31 && (tmpData >> (dataWidth - 1)) != 0) {
1316 tmpData -= 1 << dataWidth;
1318 if (i == 2 || i == 3) { jitCompPutByte1(w.dst, tmpData & 0xff); }
1319 if (i == 4 || i == 5) { jitCompPutByte2(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff); }
1320 if (i == 6 || i == 7) { jitCompPutByte4(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff, (tmpData >> 16) & 0xff, (tmpData >> 24) & 0xff); }
1326 if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
1327 if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
1328 i = jitCompGetImm32(src);
1330 if ((flags & JITC_PHASE1) != 0 && w.err == 0) {
1331 if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
1333 jitCompPutImm32(&w, (int)label[i].p);
1334 jitCompPutImm32(&w, label[i].typ);
1335 jitCompPutImm32(&w, (int)label[i].p);
1336 jitCompPutImm32(&w, (int)label[i].p1);
1337 jitCompPutImm32(&w, 0); /* liveSign */
1338 jitCompPutImm32(&w, 2320); /* pls */
1339 jitCompPutImm32(&w, 0);
1340 jitCompPutImm32(&w, 0);
1344 if (lastlabel >= 0 && label[lastlabel].p1 < w.dst)
1345 label[lastlabel].p1 = w.dst;
1348 case 0x3c: /* ENTER */
1349 jitCompA000_storeRegCacheAll(&w); // 手抜き.
1350 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1351 jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
1352 jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
1353 jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
1354 jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
1355 jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
1356 jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
1357 jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
1358 jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
1359 jitCompPutByte1(w.dst, 0xe8);
1360 j = ((unsigned char *)&func3c) - (w.dst + 4);
1361 jitCompPutImm32(&w, j);
1362 jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
1363 jitCompA000_loadRegCacheAll(&w); // 手抜き.
1364 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1368 case 0x3d: /* LEAVE */
1369 jitCompA000_storeRegCacheAll(&w); // 手抜き.
1370 jitCompA000_storePRegCacheAll(&w); // 手抜き.
1371 jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
1372 jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
1373 jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
1374 jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
1375 jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
1376 jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
1377 jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
1378 jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
1379 jitCompPutByte1(w.dst, 0xe8);
1380 j = ((unsigned char *)&func3d) - (w.dst + 4);
1381 jitCompPutImm32(&w, j);
1382 jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
1383 jitCompA000_loadRegCacheAll(&w); // 手抜き.
1384 jitCompA000_loadPRegCacheAll(&w); // 手抜き.
1388 case 0xfe: /* remark */
1389 if (src[1] == 0x01 && src[2] == 0x00) { // DBGINFO1
1390 if (level <= JITC_LV_SLOWER) {
1391 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
1392 jitCompPutImm32(&w, debugInfo1);
1393 jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
1396 if (src[1] == 0x01 && src[2] == 0x03) { // DBGINFO1CLR
1397 if (level <= JITC_LV_SLOWER) {
1398 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
1399 jitCompPutImm32(&w, -1);
1400 jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
1403 if (src[1] == 0x05 && src[2] == 0x00) { // DBGINFO0
1404 if (level <= JITC_LV_SLOWEST) {
1405 debugInfo0 = jitCompGetImm32(src + 3);
1406 // jitCompPutByte1(w.dst, 0xbf); /* MOV(EDI, ?); */
1407 // jitCompPutImm32(&w, debugInfo0);
1408 jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
1409 jitCompPutImm32(&w, debugInfo0);
1410 jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
1416 w.err = JITC_ERR_OPECODE;
1419 if (w.err != 0) goto err_w;
1420 jitCompA0001_fixPrefix(&w);
1421 if (w.err != 0) goto err_w;
1422 src += jitCompCmdLen(src);
1424 if (enter0 != NULL) {
1425 j = w.dst - (enter0 + 4);
1426 enter0[0] = j & 0xff;
1427 enter0[1] = (j >> 8) & 0xff;
1428 enter0[2] = (j >> 16) & 0xff;
1429 enter0[3] = (j >> 24) & 0xff;
1431 if ((flags & JITC_NOSTARTUP) == 0) {
1432 jitCompA000_storeRegCacheAll(&w);
1433 jitCompA000_storePRegCacheAll(&w);
1434 jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
1436 if ((flags & JITC_PHASE1) != 0)
1437 return w.dst - dst00;
1441 if ((w.err & JITC_ERR_PHASE0ONLY) != 0) {
1442 if ((flags & JITC_PHASE1) == 0)
1443 w.err &= ~JITC_ERR_PHASE0ONLY;
1445 if (w.err == (JITC_ERR_MASK & JITC_ERR_REGNUM)) errmsg = "reg-number error";
1446 if (w.err == (JITC_ERR_MASK & JITC_ERR_DST1)) errmsg = "dst1 error";
1447 if (w.err == (JITC_ERR_MASK & JITC_ERR_OPECODE)) errmsg = "opecode error";
1448 if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNUM)) errmsg = "label number too large";
1449 if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELREDEF)) errmsg = "label redefine";
1450 if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIX)) { errmsg = "prefix redefine"; w.dst -= 2; }
1451 if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNODEF)) errmsg = "label not defined";
1452 if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELTYP)) errmsg = "label type error";
1453 if (w.err == (JITC_ERR_MASK & JITC_ERR_IDIOM)) errmsg = "idiom error";
1454 if (w.err == (JITC_ERR_MASK & JITC_ERR_PREGNUM)) errmsg = "preg-number error";
1455 if (w.err == (JITC_ERR_MASK & JITC_ERR_SRC1)) errmsg = "src1 error";
1456 if (w.err == (JITC_ERR_MASK & JITC_ERR_BADTYPE)) errmsg = "bad type code";
1457 if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIXFAR)) errmsg = "prefix internal error";
1458 if (w.err == (JITC_ERR_MASK & JITC_ERR_INTERNAL)) errmsg = "general internal error";
1459 if (*errmsg != '¥0') {
1460 fprintf(stderr, "JITC: %s at %06X (debugInfo0=%d)¥n ", errmsg, src - src0, debugInfo0);
1461 for (i = 0; i < 16; i++)
1462 fprintf(stderr, "%02X ", src[i]);
1463 static char *table[0x30] = {
1464 "NOP", "LB", "LIMM", "PLIMM", "CND", "??", "??", "??",
1465 "LMEM", "SMEM", "PLMEM", "PSMEM", "LEA", "??", "PADD", "PDIF",
1466 "CP/OR", "XOR", "AND", "??", "ADD", "SUB", "MUL", "??",
1467 "SHL", "SAR", "DIV", "MOD", "PLMT0", "PLMT1", "PCP", "PCST",
1468 "CMPE", "CMPNE", "CMPL", "CMPGE", "CMPLE", "CMPG", "TSTZ", "TSTNZ",
1469 "PCMPE", "PCMPNE", "PCMPL", "PCMPGE", "PCMPLE", "PCMPG", "??", "EXT" };
1471 if (*src < 0x30) errmsg = table[*src];
1472 fprintf(stderr, "(%s)¥n", errmsg);
1477 unsigned char *jitCompCallFunc(unsigned char *dst, void *func)
1479 struct JitCompWork w;
1481 jitCompA000_storeRegCacheAll(&w);
1482 jitCompA000_storePRegCacheAll(&w);
1483 jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
1484 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) */
1485 jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
1486 jitCompPutByte1(w.dst, 0xe8); /* CALL(func); */
1487 int j = ((unsigned char *)func) - (w.dst + 4);
1489 //この関数の中では結局w->dstしか参照していない
1490 jitCompPutImm32(&w, j);
1492 jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */ /* (win32では不要なのだけど、MacOSには必要らしい) */
1493 jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */
1494 jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
1495 jitCompA000_loadRegCacheAll(&w);
1496 jitCompA000_loadPRegCacheAll(&w);
1497 jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + 0x30 * 32 + 0); /* MOV(EAX, [EBP+?]); */
1498 jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
1502 unsigned char *jitCompInit(unsigned char *dst)
1505 return jitCompCallFunc(dst, &errHndl);
1508 void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
1510 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1513 if (r->junkStack + 2048 > r->junkStack1) (*(r->errHndl))(r);
1514 pi = (void *)r->junkStack; r->junkStack += r1 * 4;
1515 for (i = 0; i < r1; i++)
1517 pp = (void *)r->junkStack; r->junkStack += p1 * 32;
1518 for (i = 0; i < p1; i++)
1520 pp = (void *)r->junkStack; r->junkStack += 32;
1521 *pp = r->preg[0x30];
1522 pi = (void *)r->junkStack; r->junkStack += 4;
1523 *pi = opt << 16 | r1 << 8 | p1;
1524 for (i = 0; i < lenR; i++)
1525 r->ireg[r0 + i] = r->ireg[0x30 + i];
1526 for (i = 0; i < lenP; i++)
1527 r->preg[p0 + i] = r->preg[0x31 + i];
1531 void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
1533 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1536 r->junkStack -= 32; struct Ptr *pp = (void *)r->junkStack;
1537 r->preg[0x30] = *pp;
1538 r->junkStack -= p1 * 32; pp = (void *)r->junkStack;
1539 for (i = 0; i < p1; i++)
1541 r->junkStack -= r1 * 4; int *pi = (void *)r->junkStack;
1542 for (i = 0; i < r1; i++)
1547 void funcf4(char *ebp, int pxx, int typ, int len)
1549 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1550 int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
1551 if (width < 0 || r->ireg[len] < 0)
1553 void *p = r->junkStack;
1554 if (r->junkStack + width * r->ireg[len] + 256 > r->junkStack1) (*(r->errHndl))(r);
1555 r->junkStack += width * r->ireg[len];
1557 r->preg[pxx].typ = r->ireg[typ];
1558 r->preg[pxx].p0 = p;
1559 r->preg[pxx].p1 = (void *)r->junkStack;
1560 int *pi = (int *)r->junkStack;
1561 *pi = width * r->ireg[len];
1562 r->junkStack += sizeof (int);
1563 if (r->ireg[typ] == 1) {
1564 int i, i1 = (width * r->ireg[len]) >> 2;
1566 for (i = 0; i < i1; i++)
1572 void funcf5(char *ebp, int pxx, int typ, int len)
1574 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1575 r->junkStack -= sizeof (int);
1576 int *pi = (int *)r->junkStack;
1577 r->junkStack -= *pi;
1579 int width = jitCompA000_dataWidth(r->ireg[typ]);
1580 void *p = r->junkStack;
1581 r->junkStack -= width * r->ireg[len];
1586 void funcf6(char *ebp, int pxx, int typ, int len)
1588 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1589 int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
1590 if (width < 0 || r->ireg[len] < 0)
1592 void *p = malloc(width * r->ireg[len]);
1594 r->preg[pxx].typ = r->ireg[typ];
1595 r->preg[pxx].p0 = p;
1596 r->preg[pxx].p1 = (unsigned char *)p + width * r->ireg[len];
1597 if (r->ireg[typ] == 1) {
1598 int i, i1 = (width * r->ireg[len]) >> 2, *pi;
1600 for (i = 0; i < i1; i++)
1602 for (i = 1; i < i1; i += 8)
1608 void funcf7(char *ebp, int pxx, int typ, int len)
1610 struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
1611 free(r->preg[pxx].p);
1615 void errHndl(struct Regs *r)
1617 r = (struct Regs *) (((char *)r) - jitCompA0001_EBP128);
1623 * 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 * 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)
1626 * q1 : 出力バイナリの書き込み位置のアドレスの最大値
1627 * 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)
1628 * p1 : (*.ose)バイナリの読み込み位置の取りうる最大値
1629 * (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=2 : jitコンパイルエラー
1633 int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, struct LabelTable *label)
1635 unsigned char *q = *qq;
1636 if (p0[0] != 0x05 || p0[1] != SIGN1)
1639 *q++ = 0x55; /* PUSH(EBP); */
1640 *q++ = 0x8b; *q++ = 0x6c; *q++ = 0x24; *q++ = 0x08; /* MOV(EBP,[ESP+8]); */
1643 for (i = 0; i < JITC_MAXLABELS; i++)
1646 // 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?
1647 i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, 0);
1648 if (i != 0) return 2;
1649 i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, JITC_PHASE1 + 0);
1650 if (i < 0) return 2;
1653 *q++ = 0x5d; /* POP(EBP); */
1654 *q++ = 0xc3; /* RET(); */
1660 #if (USE_DEBUGGER != 0)
1662 int dbgrGetRegNum(const unsigned char *p)
1668 if (i > 9) i -= 'A' - '0' - 10;
1669 if (j > 9) j -= 'A' - '0' - 10;
1670 if (0 <= i && i <= 15 && 0 <= j && j <= 15)
1676 void dbgrMain(struct Regs *r)
1678 if (r->dbgr == 0) return;
1680 unsigned char cmd[64], *p;
1683 p = fgets(cmd, 64, stdin);
1684 if (p == NULL) break;
1685 if (cmd[0] == '¥0') continue;
1686 if (cmd[0] == 'q' && cmd[1] <= ' ') break;
1687 if (cmd[0] == 'p' && cmd[1] <= ' ' && cmd[1] != '¥0') {
1689 while (*p <= ' ' && *p != '¥0') p++;
1691 i = dbgrGetRegNum(p + 1);
1692 if (0 <= i && i <= 0x3f) {
1693 printf("R%02X = 0x%08X = %d¥n", i, r->ireg[i], r->ireg[i]);
1696 puts("register name error");
1700 i = dbgrGetRegNum(p + 1);
1701 if (0 <= i && i <= 0x3f) {
1703 if (0 <= r->preg[i].typ && r->preg[i].typ <= 0x15) {
1704 static unsigned char *typName[] = {
1705 "T_CODE", "T_VPTR", "T_SINT8", "T_UINT8",
1706 "T_SINT16", "T_UINT16", "T_SINT32", "T_UINT32",
1707 "T_SINT4", "T_UINT4", "T_SINT2", "T_UINT2",
1708 "T_SINT1", "T_UINT1", "T_SINT12", "T_UINT12",
1709 "T_SINT20", "T_UINT20", "T_SINT24", "T_UINT24",
1710 "T_SINT28", "T_UINT28"
1712 p = typName[r->preg[i].typ];
1714 printf("P%02X:¥n type = %s(%04X), (origin-ptr) = 0x%08X¥n", i, p, r->preg[i].typ, r->preg[i].p0);
1715 if (r->preg[i].p != NULL && r->preg[i].p0 != NULL) {
1716 j = jitCompA000_dataWidth(jitCompA000_convTyp(r->preg[i].typ)) >> 3;
1718 k = (r->preg[i].p1 - r->preg[i].p0) / j;
1719 printf(" size = 0x%08X = %d¥n", k, k);
1720 k = (r->preg[i].p - r->preg[i].p0) / j;
1721 printf(" pos = 0x%08X = %d¥n", k, k);
1724 puts(" null pointer");
1728 puts("register name error");
1732 puts("command error");