-#include "osecpu.h"\r
-#include "jitc.h"\r
-\r
-#if (JITC_ARCNUM == 0x0001)\r
-//\r
-// for x86-32bit\r
-//\r
-\r
-void jitCompPutImm32(struct JitCompWork *w, int i)\r
-{\r
- jitCompPutByte1(w->dst, i & 0xff);\r
- jitCompPutByte1(w->dst, (i >> 8) & 0xff);\r
- jitCompPutByte1(w->dst, (i >> 16) & 0xff);\r
- jitCompPutByte1(w->dst, (i >> 24) & 0xff);\r
- return;\r
-}\r
-\r
-int jitCompGetImm32(const unsigned char *src)\r
-{\r
- return (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];\r
-}\r
-\r
-int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src)\r
-{\r
- int i = jitCompGetImm32(src);\r
- if (i < 0 || i >= w->maxLabels) {\r
- w->err = JITC_ERR_LABELNUM;\r
- i = 0;\r
- }\r
- return i;\r
-}\r
-\r
-void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n)\r
-{\r
- disp -= jitCompA0001_EBP128;\r
- if (-128 <= disp && disp <= 127) {\r
- jitCompPutByte2(w->dst, 0x45 | (n << 3), disp & 0xff);\r
- } else {\r
- jitCompPutByte1(w->dst, 0x85 | (n << 3));\r
- jitCompPutImm32(w, disp);\r
- }\r
- return;\r
-}\r
-\r
-void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32)\r
-{\r
- jitCompPutByte1(w->dst, 0x89); /* MOV(mem, reg32); */\r
- jitCompA0001_85DispN(w, disp, reg32);\r
- return;\r
-}\r
-\r
-void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp)\r
-{\r
- jitCompPutByte1(w->dst, 0x8b); /* MOV(reg32, mem); */\r
- jitCompA0001_85DispN(w, disp, reg32);\r
- return;\r
-}\r
-\r
-void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx)\r
-{\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (rxx == 0x3f) {\r
- jitCompPutByte1(w->dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(w, w->r3f);\r
- return;\r
- }\r
-#endif\r
- if (rxx >= 0x40 || rxx < 0){\r
- w->err = JITC_ERR_REGNUM;\r
- }\r
- jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, rxx * 4); /* MOV(EAX, [EBP+?]); */\r
- return;\r
-}\r
-\r
-void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx)\r
-{\r
- if (rxx >= 0x40 || rxx < 0){\r
- w->err = JITC_ERR_REGNUM;\r
- }\r
- jitCompA0001_movEbpDispReg32(w, rxx * 4, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- return;\r
-}\r
-\r
-void jitCompA0001_fixPrefix(struct JitCompWork *w)\r
-{\r
- if (w->prefix != 0) {\r
- if (w->dst - w->dst0 > 127){\r
- w->err = JITC_ERR_REGNUM;\r
- }\r
- w->dst0[-1] = (unsigned char)((w->dst - w->dst0) & 0xff);\r
- }\r
- return;\r
-}\r
-\r
-void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1)\r
-{\r
- if (p0 >= 0x3f || p0 < 0){\r
- w->err = JITC_ERR_PREGNUM;\r
- }\r
- if (p1 >= 0x3f || p1 < 0){\r
- w->err = JITC_ERR_PREGNUM;\r
- }\r
- /* 比較可能可能なのかのチェックのコードを出力 */ /* 未完成 */\r
- return;\r
-}\r
-\r
-void jitCompA000_loadRegCacheAll(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movReg32EbpDisp(w, 3 /* EBX */, 0 * 4); /* EBX = R00; */\r
- jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */\r
- jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */\r
- return;\r
-}\r
-\r
-void jitCompA000_storeRegCacheAll(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movEbpDispReg32(w, 0 * 4, 3 /* EBX */); /* R00 = EBX; */\r
- jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */\r
- jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */\r
- return;\r
-}\r
-\r
-void jitCompA000_loadRegCacheEcx(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */\r
- return;\r
-}\r
-\r
-void jitCompA000_storeRegCacheEcx(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */\r
- return;\r
-}\r
-\r
-void jitCompA000_loadRegCacheEdx(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */\r
- return;\r
-}\r
-\r
-void jitCompA000_storeRegCacheEdx(struct JitCompWork *w)\r
-{\r
- jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */\r
- return;\r
-}\r
-\r
-int jitCompA000_selectRegCache(int rxx, int reg)\r
-{\r
- switch (rxx) {\r
- case 0:\r
- //EBX\r
- reg = 3;\r
- break;\r
- case 1:\r
- //ECX\r
- reg = 1;\r
- break;\r
- case 2:\r
- //EDX\r
- reg = 2;\r
- break;\r
- }\r
- return reg;\r
-}\r
-\r
-void jitCompA000_loadPRegCacheAll(struct JitCompWork *w)\r
-{\r
- // jitCompA0001_movReg32EbpDisp(w, 5 /* EBP */, 256 + 0 * 32 + 0); /* EBP = P00; */\r
- jitCompA0001_movReg32EbpDisp(w, 6 /* ESI */, 256 + 1 * 32 + 0); /* ESI = P01; */\r
- jitCompA0001_movReg32EbpDisp(w, 7 /* EDI */, 256 + 2 * 32 + 0); /* EDI = P02; */\r
- return;\r
-}\r
-\r
-void jitCompA000_storePRegCacheAll(struct JitCompWork *w)\r
-{\r
- // jitCompA0001_movEbpDispReg32(w, 256 + 0 * 32 + 0, 5 /* EBP */); /* P00 = EBP; */\r
- jitCompA0001_movEbpDispReg32(w, 256 + 1 * 32 + 0, 6 /* ESI */); /* P01 = ESI; */\r
- jitCompA0001_movEbpDispReg32(w, 256 + 2 * 32 + 0, 7 /* EDI */); /* P02 = EDI; */\r
- return;\r
-}\r
-\r
-int jitCompA000_selectPRegCache(int pxx, int reg)\r
-{\r
- // if (pxx == 0) reg = 5; /* EBP */\r
- switch (pxx) {\r
- case 1:\r
- //ESI\r
- reg = 6;\r
- break;\r
- \r
- case 2:\r
- //EDI\r
- reg = 7;\r
- break;\r
- }\r
- return reg;\r
-}\r
-\r
-int jitCompA000_convTyp(int t)\r
-{\r
- int r = -1;\r
- \r
- if (1 <= t && t <= 7){\r
- r = t;\r
- } else if (8 <= t && t <= 13){\r
- r = 2 | (t & 1);\r
- } else if (14 <= t && t <= 15){\r
- r = 4 | (t & 1);\r
- } else if (16 <= t && t <= 21){\r
- r = 6 | (t & 1);\r
- }\r
- return r;\r
-}\r
-\r
-int jitCompA000_dataWidth(int t)\r
-{\r
- int r = -1;\r
- if (t == 0x0001) r = 256;\r
- t >>= 1;\r
- if (t == 0x0002 / 2) r = 8;\r
- if (t == 0x0004 / 2) r = 16;\r
- if (t == 0x0006 / 2) r = 32;\r
- if (t == 0x0008 / 2) r = 4;\r
- if (t == 0x000a / 2) r = 2;\r
- if (t == 0x000c / 2) r = 1;\r
- if (t == 0x000e / 2) r = 12;\r
- if (t == 0x0010 / 2) r = 20;\r
- if (t == 0x0012 / 2) r = 24;\r
- if (t == 0x0014 / 2) r = 28;\r
- return r;\r
-}\r
-\r
-static unsigned char *errfnc;\r
-\r
-void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac)\r
-{\r
- if (typ <= 0) { w->err = JITC_ERR_BADTYPE; }\r
- if (typ > 0x7f) { w->err = JITC_ERR_INTERNAL; }\r
- jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, 256 + pxx * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */\r
- jitCompPutByte3(w->dst, 0x83, 0xf8, typ & 0x7f); /* CMP(EAX, ?); */\r
- jitCompPutByte2(w->dst, 0x0f, 0x85); /* JNE */\r
- jitCompPutImm32(w, errfnc - (w->dst + 4));\r
- return;\r
-}\r
-\r
-void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac)\r
-// data用.\r
-// 将来的にはaliveやアクセス権チェックも入れる\r
-{\r
- jitCompA0001_checkType0(w, pxx, typ, ac);\r
- return;\r
-}\r
-\r
-void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx)\r
-{\r
- jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */\r
- jitCompA0001_85DispN(w, 256 + pxx * 32 + 8, reg); /* p0 */\r
- jitCompPutByte2(w->dst, 0x0f, 0x82); /* JB */\r
- jitCompPutImm32(w, errfnc - (w->dst + 4));\r
- jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */\r
- jitCompA0001_85DispN(w, 256 + pxx * 32 + 12, reg); /* p1 */\r
- jitCompPutByte2(w->dst, 0x0f, 0x83); /* JAE */\r
- jitCompPutImm32(w, errfnc - (w->dst + 4));\r
- return;\r
-}\r
-\r
-// 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.\r
-int jitCompiler(unsigned char *dst, unsigned char *dst1, const unsigned char *src, const unsigned char *src1, const unsigned char *src0, HOSECPU_LabelListTag *label, int maxLabels, int level, int debugInfo1, int flags)\r
-{\r
- // For IA-32 (x86, 32-bit)\r
- // 本来ならこのレイヤでは文法チェックしない\r
- //\r
- // dst : 現在の書き込みアドレス。\r
- // dst1 : 書き込みアドレスの最大値\r
- // src : 現在の読み込みアドレス(ヘッダ部は飛ばしてある\r
- // src1 : 読み込みアドレスの最大値\r
- // src0 : 読み込みバイナリのアドレス\r
- struct JitCompWork w;\r
- unsigned char *dst00 = dst, *enter0 = NULL, *tmp_ucp;\r
- char *errmsg = "";\r
- const unsigned char *oldsrc;\r
- int timecount = 0, i, j = 0, lastlabel = -1, debugInfo0 = -1;\r
- int reg0, reg1, reg2, cmp0reg = -1, cmp0lev = 0;\r
- w.dst = w.dst0 = dst;\r
- w.err = 0;\r
- w.maxLabels = maxLabels;\r
- \r
- if ((flags & JITC_NOSTARTUP) == 0) {\r
- jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */\r
- jitCompA000_loadRegCacheAll(&w); /* start-up */\r
- jitCompA000_loadPRegCacheAll(&w);\r
- }\r
- if (level <= JITC_LV_SLOWER) {\r
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */\r
- jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, debugInfo1);\r
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */\r
- }\r
- while (src < src1) {\r
- w.prefix = 0; //0x04 CND 命令で変更される\r
- 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\r
- timecount++;\r
- if (timecount >= 64) {\r
- timecount -= 64;\r
- /* 未完成(timeoutチェックコードを入れる) */\r
- }\r
- prefix_continue: // CND命令実行後ここに戻る\r
- switch (*src) {\r
- \r
- case 0x00: /* NOP */\r
- 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!\r
- break;\r
- \r
- case 0x01: /* LB */\r
- \r
- /*\r
- * LB : ラベル設置命令。(6byte)\r
- * ・prefex = 1にする\r
- * ・timecount++し、timecountのチェックをする。\r
- * ・ラベル位置を登録する。\r
- * ・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。\r
- *\r
- * 1 2 3 456\r
- * LB 01 opt imm32\r
- *\r
- */\r
- \r
- 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\r
- // LB命令の後に0x3C命令・・・beginFunc()\r
- 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\r
- enter0 = w.dst;\r
- jitCompPutImm32(&w, 0); // 飛び相対座標が0 ・・・パイプラインのフラッシュ??\r
- }\r
- if (src[6] == 0x34) { // LBの次の命令がDATA ・・・DAT_SA0(label, typ32, length) ・・・メモリ確保命令\r
- tmp_ucp = w.dst;\r
- 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\r
- i = jitCompGetImm32(&src[7]); // type32 を取得\r
- j = 32;\r
- if (i != 1) {\r
- i = jitCompA000_convTyp(i);\r
- j = 0;\r
- if (i == 2 || i == 3) { j = 1; }\r
- if (i == 4 || i == 5) { j = 2; }\r
- if (i == 6 || i == 7) { j = 4; }\r
- }\r
- j *= jitCompGetImm32(&src[11]);\r
- if (j <= 0) w.err = JITC_ERR_BADTYPE;\r
- jitCompPutImm32(&w, j);\r
-#if (jitCompA0001_OPTIMIZE_JMP != 0)\r
- if (j <= 127 - jitCompA0001_OPTIMIZE_ALIGN) {\r
- w.dst -= 5;\r
- jitCompPutByte2(w.dst, 0xeb, j);\r
- }\r
-#endif\r
- }\r
-#if (jitCompA0001_OPTIMIZE_ALIGN != 0)\r
- for (;;) {\r
- i = ((int)w.dst) & (jitCompA0001_OPTIMIZE_ALIGN - 1); /* ALIGNで割ったあまりを計算 */\r
- if (i == 0) break;\r
- i = jitCompA0001_OPTIMIZE_ALIGN - i;\r
- if (i == 1) { jitCompPutByte1(w.dst, 0x90); j += i; } /* NOP(); */\r
- if (i == 2) { jitCompPutByte2(w.dst, 0x89, 0xc0); j += i; } /* MOV(EAX, EAX); */\r
- if (i == 3) { jitCompPutByte3(w.dst, 0x8d, 0x76, 0x00); j += i; } /* LEA(ESI, [ESI+0]); */\r
- if (i == 4) { jitCompPutByte4(w.dst, 0x8d, 0x74, 0x26, 0x00); j += i; } /* LEA(ESI, [ESI*1+0]); */\r
- if (i == 5) { jitCompPutByte1(w.dst, 0x0d); jitCompPutImm32(&w, 0); j += i; } /* OR(EAX, 0); */\r
- if (i == 6) { jitCompPutByte2(w.dst, 0x8d, 0xb6); jitCompPutImm32(&w, 0); j += i; } /* LEA(ESI, [ESI+0]); */\r
- if (i >= 7) { jitCompPutByte3(w.dst, 0x8d, 0xb4, 0x26); jitCompPutImm32(&w, 0); j += 7; } /* LEA(ESI, [ESI*1+0]); */\r
- }\r
-#endif\r
- if (src[6] == 0x34) {\r
- tmp_ucp[1] = j & 0xff;\r
- if (*tmp_ucp == 0xe9) {\r
- tmp_ucp[2] = (j >> 8) & 0xff;\r
- tmp_ucp[3] = (j >> 16) & 0xff;\r
- tmp_ucp[4] = (j >> 24) & 0xff;\r
- }\r
- }\r
- if ((flags & JITC_PHASE1) == 0) {\r
- i = jitCompGetLabelNum(&w, src + 2);\r
- //printf("i=%06X %06X\n", i, src-src0);\r
- if (label[i].opt != 0 && w.err == 0) { w.err = JITC_ERR_LABELREDEF; goto err_w; }\r
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }\r
- label[i].opt = src[1] + 1;\r
- label[i].typ = 0; /* TYP_CODE */\r
- label[i].p = w.dst;\r
- label[i].p1 = w.dst + 1;\r
- lastlabel = i;\r
- }\r
- cmp0reg = -1;\r
- timecount = 0;\r
- /* 未完成(timeoutチェックコードを入れる) */\r
- break;\r
- \r
- case 0x02: /* LIMM */\r
- \r
- /*\r
- * LIMM : 定数即値代入命令(6byte)\r
- *\r
- * 1 2 3456\r
- * 02 reg0R imm32\r
- *\r
- * ・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。\r
- */\r
- \r
- 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\r
- \r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[1] == 0x3f) { // R3Fへの代入は例外敵に、 w.r3f を使用\r
- w.r3f = jitCompGetImm32(src + 2);\r
- break;\r
- }\r
-#endif\r
- i = jitCompGetImm32(src + 2); // 与えられた即値(第二引数)を取得\r
- \r
- /* 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 */\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- \r
-#if (jitCompA0001_OPTIMIZE_MOV != 0)\r
- if (i == 0) {\r
- jitCompPutByte2(w.dst, 0x31, 0xc0 | reg0 << 3 | reg0); /* XOR(reg0, reg0); */\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#endif\r
- \r
- /* reg0 のレジスタに対応したMOV命令を発行 */\r
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); == 10111000b+wr imm32 */\r
- jitCompPutImm32(&w, i);\r
- \r
- 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\r
- \r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- \r
- case 0x03: /* PLIMM */ /* 未完成(plsまで対応) */\r
- \r
- /*\r
- * PLIMM : ラベル番号代入命令(6byte)\r
- *\r
- * 1 2 3456\r
- * 03 PXX imm32\r
- *\r
- * ・P28 はAPI用\r
- * ・P30 はリターンアドレス\r
- * ・P3F はプログラムカウンタ\r
- */\r
- \r
- i = jitCompGetLabelNum(&w, src + 2); // Pxxに代入するラベルの番号(第二引数)\r
- if ((flags & JITC_PHASE1) != 0 && w.err == 0) { // Phase 1であるならば\r
- 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\r
- if (src[1] != 0x3f && label[i].opt != 2) { w.err = JITC_ERR_LABELTYP; goto err_w; } //\r
- 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\r
- }\r
- if (src[1] == 0x3f) { // プログラムカウンタへの代入なら\r
- if (w.prefix == 0) { // CND命令による条件付きでなければ、即座に移動\r
- jitCompPutByte1(w.dst, 0xe9); /* JMP(?); */\r
- }\r
- else { // 直前はCND命令。\r
- \r
- /*\r
- * CND命令\r
- * 1 2\r
- * 04 reg0R\r
- *\r
- * いま、dstの末端はJZ命令になっている。 0x0F 0x84 cd\r
- */\r
- \r
- // JZのとび先アドレスの書き換え?\r
- w.dst[-1] = w.dst[-2] ^ 0xf1; /* 74->85, 75->84 */\r
- w.dst[-2] = 0x0f;\r
- \r
- w.prefix = 0;\r
- }\r
- j = 0;\r
- 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)\r
- j = label[i].p - (w.dst + 4); // j はとび先の相対番地\r
- jitCompPutImm32(&w, j); // JMP もしくは JZ 命令のアドレス部を記述\r
-#if (jitCompA0001_OPTIMIZE_JMP != 0)\r
- if (-128 - 3 <= j && j < 0) {\r
- if (w.dst[-5] == 0xe9) {\r
- j += 3;\r
- w.dst -= 5;\r
- jitCompPutByte1(w.dst, 0xeb); /* JMP(?); */\r
- }\r
- else {\r
- j += 4;\r
- w.dst -= 6;\r
- jitCompPutByte1(w.dst, w.dst[1] ^ 0xf0);\r
- }\r
- jitCompPutByte1(w.dst, j & 0xff);\r
- }\r
-#endif\r
- }\r
- else { // プログラムカウンタ以外への代入\r
- \r
- // 代入先が P01, P02なら ESI, EDI,それ以外ならEAXを指定\r
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);\r
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */\r
- jitCompPutImm32(&w, (int)label[i].p); // ラベルのパスを各レジスタに代入\r
- \r
- // 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。\r
- if (reg0 == 0)\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32, 0); /* MOV([EBP+?], EAX); */\r
- \r
- if (level < JITC_LV_FASTEST) {\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 8, reg0); /* MOV([EBP+?], reg0); */ /* p0 */\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, label[i].typ);\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 4, 0); /* MOV([EBP+?], EAX); */ /* typ */\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, (int)label[i].p1);\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 12, 0); /* MOV([EBP+?], EAX); */ /* p1 */\r
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 16, 0); /* MOV([EBP+?], EAX); */ /* liveSign */\r
- jitCompA0001_movReg32EbpDisp(&w, 0, 2320); /* MOV(EAX, ptrCtrl); */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 20, 0); /* MOV([EBP+?], EAX); */ /* pls */\r
- }\r
- }\r
- break;\r
- \r
- case 0x04: /* CND (prefix) */\r
- \r
- /*\r
- * CND命令\r
- * 与えられたRxxの最下位ビットが1であれば後続の命令を実行、そうでなければ飛ばす。\r
- */\r
- \r
- 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\r
- \r
- // 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\r
- reg0 = jitCompA000_selectRegCache(src[1], -1 /* mem */);\r
- \r
- /* TEST命令を発行 */\r
- if (reg0 < 0) { //比較対象のレジスタはメモリ上にある\r
- jitCompPutByte1(w.dst, 0xf7); /* TEST([EBP+?],1); */\r
- jitCompA0001_85DispN(&w, src[1] * 4, 0);\r
- }\r
- else {\r
- jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); /* TEST(reg0,1); */\r
- }\r
- jitCompPutImm32(&w, 1);\r
- \r
- /* JZ命令を発行 */\r
- jitCompPutByte2(w.dst, 0x74, 0x00); /* JZ($+2) */\r
- cmp0reg = -1;\r
- if (w.err != 0) goto err_w;\r
- src += 2;\r
- w.prefix = 1; // プリフィックスをセット\r
- w.dst0 = w.dst;\r
- goto prefix_continue;\r
- \r
- case 0x08: /* LMEM */ /* 完成 */\r
- i = jitCompGetImm32(src + 2);\r
- if (i == 0x0001) w.err = JITC_ERR_BADTYPE;\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_checkType(&w, src[6], i, 0); // read\r
- cmp0reg = -1;\r
- }\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);\r
- if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)\r
- reg1 = 0; /* EAX */\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_storeRegCacheEdx(&w);\r
- if (reg1 <= 3 /* EAX, EDX */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */\r
- if (level < JITC_LV_FASTER)\r
- jitCompA0001_checkLimit(&w, reg1, src[6]);\r
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));\r
- switch (i) {\r
- case 0x0002:\r
- jitCompPutByte3(w.dst, 0x0f, 0xbe, reg0 << 3 | reg1); /* MOVSX(reg0,BYTE [reg1]); */\r
- break;\r
- case 0x0003:\r
- jitCompPutByte3(w.dst, 0x0f, 0xb6, reg0 << 3 | reg1); /* MOVZX(reg0,BYTE [reg1]); */\r
- break;\r
- case 0x0004:\r
- jitCompPutByte3(w.dst, 0x0f, 0xbf, reg0 << 3 | reg1); /* MOVSX(reg0,WORD [reg1]); */\r
- break;\r
- case 0x0005:\r
- jitCompPutByte3(w.dst, 0x0f, 0xb7, reg0 << 3 | reg1); /* MOVZX(reg0,WORD [reg1]); */\r
- break;\r
- case 0x0006:\r
- case 0x0007:\r
- jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */\r
- break;\r
- default:\r
- w.err = JITC_ERR_BADTYPE;\r
- }\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_loadRegCacheEdx(&w);\r
- break;\r
- \r
- case 0x09: /* SMEM */ /* 完成 */\r
- i = jitCompGetImm32(src + 2);\r
- if (i == 0x0001) w.err = JITC_ERR_BADTYPE;\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_checkType(&w, src[6], i, 1); // write\r
- cmp0reg = -1;\r
- }\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);\r
- if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)\r
- reg1 = 0; /* EAX */\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_storeRegCacheEdx(&w);\r
- if (reg1 <= 3 /* EAX, EDX */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */\r
- if (level < JITC_LV_FASTER)\r
- jitCompA0001_checkLimit(&w, reg1, src[6]);\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movEaxRxx(&w, src[1]);\r
- /* 値の範囲チェック */\r
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));\r
- switch (i) {\r
- case 0x0002:\r
- case 0x0003:\r
- jitCompPutByte2(w.dst, 0x88, reg0 << 3 | reg1); /* MOV([reg1], BYTE(reg0)); */\r
- break;\r
- case 0x0004:\r
- case 0x0005:\r
- jitCompPutByte3(w.dst, 0x66, 0x89, reg0 << 3 | reg1); /* MOV([reg1], WORD(reg0)); */\r
- break;\r
- case 0x0006:\r
- case 0x0007:\r
- jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */\r
- break;\r
- default:\r
- w.err = JITC_ERR_BADTYPE;\r
- }\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_loadRegCacheEdx(&w);\r
- break;\r
- \r
- case 0x0a: /* PLMEM */ /* 完成 */\r
- i = jitCompGetImm32(src + 2);\r
- if (i != 0x0001) w.err = JITC_ERR_BADTYPE;\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_checkType(&w, src[6], i, 0); // read\r
- cmp0reg = -1;\r
- }\r
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);\r
- // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */\r
- // reg1 = 0; /* EAX */\r
- if (reg0 == reg1 && reg0 != 0) { // bugfix: hinted by yao, 2013.09.14. thanks!\r
- jitCompA000_storePRegCacheAll(&w);\r
- reg1 = 2; /* EDX */\r
- }\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_storeRegCacheEdx(&w);\r
- if (reg1 <= 3 /* EAX, EDX */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */\r
- if (level < JITC_LV_FASTER)\r
- jitCompA0001_checkLimit(&w, reg1, src[6]);\r
- jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0); /* MOV([EBP+?], EAX); */\r
- for (i = 4; i < 32; i += 4) {\r
- jitCompPutByte3(w.dst, 0x8b, 0x40 | reg1, i); /* MOV(EAX, [reg1+?]); */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- }\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_loadRegCacheEdx(&w);\r
- break;\r
- \r
- case 0x0b: /* PSMEM */ /* 完成 */\r
- i = jitCompGetImm32(src + 2);\r
- if (i != 0x0001) w.err = JITC_ERR_BADTYPE;\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_checkType(&w, src[6], i, 1); // write\r
- cmp0reg = -1;\r
- }\r
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);\r
- // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */\r
- // reg1 = 0; /* EAX */\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_storeRegCacheEdx(&w);\r
- if (reg1 <= 3 /* EAX, EDX */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */\r
- if (level < JITC_LV_FASTER)\r
- jitCompA0001_checkLimit(&w, reg1, src[6]);\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[1] * 32 + 0); /* MOV(reg0, [EBP+?]); */\r
- jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */\r
- for (i = 4; i < 32; i += 4) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[1] * 32 + i); /* MOV(EAX, [EBP+?]); */\r
- jitCompPutByte3(w.dst, 0x89, 0x40 | reg1, i); /* MOV([reg1+?], EAX); */\r
- }\r
- if (reg1 == 2 /* EDX */)\r
- jitCompA000_loadRegCacheEdx(&w);\r
- break;\r
- \r
- case 0x0e: /* PADD */ /* 完成 */\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 2), 2); // other, aliveテストはとりあえずしない.\r
- cmp0reg = -1;\r
- }\r
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectPRegCache(src[6], -1 /* mem */);\r
- if (reg1 < 0 /* mem */)\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */\r
- if (reg1 >= 0 && reg0 != reg1) {\r
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */\r
- }\r
- i = jitCompGetImm32(src + 2);\r
- j = -1;\r
- if (i == 1)\r
- j = 5; /* 32 */\r
- else {\r
- i = jitCompA000_convTyp(i);\r
- if (0x0002 <= i && i <= 0x0007)\r
- j = (i - 0x0002) >> 1;\r
- }\r
- if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[7] == 0x3f) {\r
- j = w.r3f << j;\r
-#if (jitCompA0001_USE_R3F_IMM8 != 0)\r
- if (-0x80 <= j && j <= 0x7f) {\r
-#if (jitCompA0001_USE_R3F_INCDEC != 0)\r
- if (j == 1) { jitCompPutByte1(w.dst, 0x40 | reg0); goto padd1; } /* INC */\r
- if (j == -1) { jitCompPutByte1(w.dst, 0x48 | reg0); goto padd1; } /* DEC */\r
-#endif\r
- jitCompPutByte3(w.dst, 0x83, 0xc0 | reg0, j & 0xff); /* ADD(reg0, im8); */\r
- goto padd1;\r
- }\r
-#endif\r
- if (reg0 == 0) {\r
- jitCompPutByte1(w.dst, 0x05); /* ADD(reg0, ?); */\r
- }\r
- else {\r
- jitCompPutByte2(w.dst, 0x81, 0xc0 | reg0); /* ADD(reg0, ?); */\r
- }\r
- jitCompPutImm32(&w, j);\r
- goto padd1;\r
- }\r
-#endif\r
- if (src[7] >= 0x40) w.err = JITC_ERR_REGNUM;\r
- if (j == 0) {\r
- reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);\r
- if (reg1 >= 0) {\r
- jitCompPutByte2(w.dst, 0x01, 0xc0 | reg1 << 3 | reg0); /* ADD(reg0, reg1); */\r
- }\r
- else {\r
- jitCompPutByte1(w.dst, 0x03); /* ADD(reg0, [EBP+?]); */\r
- jitCompA0001_85DispN(&w, src[7] * 4, reg0);\r
- }\r
- }\r
- else {\r
- reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);\r
- reg2 = 2; /* EDX */\r
- jitCompA000_storeRegCacheEdx(&w);\r
- if (reg1 < 0)\r
- jitCompA0001_movReg32EbpDisp(&w, reg2, src[7] * 4); /* MOV(reg2, [EBP+?]); */\r
- if (reg1 >= 0 && reg1 != reg2) {\r
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg2); /* MOV(reg2, reg1); */\r
- }\r
- jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg2, j); /* SHL(reg2, ?); */\r
- jitCompPutByte2(w.dst, 0x01, 0xc0 | reg2 << 3 | reg0); /* ADD(reg0, reg2); */\r
- jitCompA000_loadRegCacheEdx(&w);\r
- }\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- padd1:\r
-#endif\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, reg0); /* MOV([EBP+?], reg0); */\r
- if (src[1] != src[6]) {\r
- for (i = 4; i < 32; i += 4) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- }\r
- }\r
- cmp0reg = -1;\r
- break;\r
- \r
- case 0x0f: /* PDIF */ /* 未完成 */\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- jitCompA0001_checkCompPtr(&w, src[6], src[7]);\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */\r
- jitCompPutByte1(w.dst, 0x2b); /* SUB(EAX, [EBP+?]); */\r
- jitCompA0001_85DispN(&w, 256 + src[7] * 32 + 0, reg0);\r
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));\r
- j = -1;\r
- if (0x0002 <= i && i <= 0x0007)\r
- j = (i - 0x0002) >> 1;\r
- if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }\r
- if (j > 0) {\r
- jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, j); /* SAR(reg0,?); */\r
- }\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- cmp0reg = src[1]; cmp0lev = 1;\r
- break;\r
- \r
- case 0x10: /* OR */\r
- case 0x11: /* XOR */\r
- case 0x12: /* AND */\r
- case 0x14: /* ADD */\r
- case 0x15: /* SUB */\r
- case 0x16: /* MUL */\r
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[2] == 0x3f) { // SUBのみ該当.\r
- if (*src != 0x15) w.err = JITC_ERR_REGNUM;\r
- reg2 = jitCompA000_selectRegCache(src[3], -1 /* mem */);\r
- if (reg2 >= 0)\r
- jitCompA000_storeRegCacheAll(&w);\r
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */\r
- jitCompPutImm32(&w, w.r3f);\r
- jitCompPutByte1(w.dst, 0x2b);\r
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#endif\r
- if (reg1 < 0) {\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg0, [EBP+?]); */\r
- }\r
- if (reg1 >= 0 && reg0 != reg1) {\r
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */\r
- }\r
- if (!(src[0] == 0x10 && src[3] == 0xff)) { // bugfix: hinted by Iris, 2013.06.26. thanks!\r
- cmp0reg = src[1];\r
- cmp0lev = 1;\r
- if (src[0] < 0x14)\r
- cmp0lev = 2;\r
- if (src[0] == 0x16)\r
- cmp0reg = -1;\r
- }\r
- if (!(src[0] == 0x10 && src[3] == 0xff)) {\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[3] == 0x3f) {\r
- if (*src == 0x16 && w.r3f == -1) {\r
- jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#if (jitCompA0001_USE_R3F_INCDEC != 0)\r
- if ((*src == 0x14 && w.r3f == 1) || (*src == 0x15 && w.r3f == -1)) {\r
- jitCompPutByte1(w.dst, 0x40 | reg0); /* INC(reg0); */\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
- if ((*src == 0x15 && w.r3f == 1) || (*src == 0x14 && w.r3f == -1)) {\r
- jitCompPutByte1(w.dst, 0x48 | reg0); /* DEC(reg0); */\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#endif\r
-#if (jitCompA0001_USE_R3F_IMM8 != 0)\r
- if (-0x80 <= w.r3f && w.r3f <= 0x7f) {\r
- if (*src != 0x16) {\r
- static unsigned char basic_op_table_im8[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };\r
- jitCompPutByte3(w.dst, 0x83, basic_op_table_im8[*src - 0x10] | reg0, w.r3f & 0xff);\r
- }\r
- else {\r
- jitCompPutByte3(w.dst, 0x6b, 0xc0 | reg0 << 3 | reg0, w.r3f & 0xff);\r
- }\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#endif\r
- if (reg0 == 0 /* EAX */) {\r
- static unsigned char basic_op_table_im32_eax[] = { 0x0d, 0x35, 0x25, 0, 0x05, 0x2d, 0xc0 };\r
- if (*src == 0x16) { jitCompPutByte1(w.dst, 0x69); }\r
- jitCompPutByte1(w.dst, basic_op_table_im32_eax[*src - 0x10]);\r
- }\r
- else {\r
- if (*src != 0x16) {\r
- static unsigned char basic_op_table_im32_reg[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };\r
- jitCompPutByte2(w.dst, 0x81, basic_op_table_im32_reg[*src - 0x10] | reg0);\r
- }\r
- else {\r
- jitCompPutByte2(w.dst, 0x69, 0xc0 | reg0 << 3 | reg0);\r
- }\r
- }\r
- jitCompPutImm32(&w, w.r3f);\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- }\r
-#endif\r
- reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);\r
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;\r
- if (*src != 0x16) {\r
- if (reg1 >= 0) {\r
- static unsigned char basic_op_table_rr[] = { 0x09, 0x31, 0x21, 0, 0x01, 0x29 }; /* op(reg,reg); */\r
- jitCompPutByte2(w.dst, basic_op_table_rr[*src - 0x10], 0xc0 | reg1 << 3 | reg0);\r
- }\r
- else {\r
- static unsigned char basic_op_table_rm[] = { 0x0b, 0x33, 0x23, 0, 0x03, 0x2b, 0xaf }; /* op(reg,mem); */\r
- jitCompPutByte1(w.dst, basic_op_table_rm[*src - 0x10]);\r
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);\r
- }\r
- }\r
- else {\r
- if (reg1 >= 0) {\r
- jitCompPutByte3(w.dst, 0x0f, 0xaf, 0xc0 | reg0 << 3 | reg1);\r
- }\r
- else {\r
- jitCompPutByte2(w.dst, 0x0f, 0xaf);\r
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);\r
- }\r
- }\r
- }\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- break;\r
- \r
- case 0x18: /* SHL */\r
- case 0x19: /* SAR */\r
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;\r
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[3] == 0x3f) {\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);\r
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;\r
- if (reg1 == -1)\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg1, [EBP+?]); */\r
- else {\r
- if (reg0 != reg1) {\r
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */\r
- }\r
- }\r
- if (*src == 0x18) { jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg0, w.r3f); } /* SHL(reg0, im8); */\r
- if (*src == 0x19) { jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, w.r3f); } /* SAR(reg0, im8); */\r
- if (reg0 == 0 /* EAX */)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- cmp0reg = src[1];\r
- cmp0lev = 1;\r
- break;\r
- }\r
-#endif\r
- jitCompA000_storeRegCacheAll(&w); // 手抜き.\r
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[2] == 0x3f) {\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, w.r3f);\r
- }\r
- else {\r
- jitCompA0001_movEaxRxx(&w, src[2]);\r
- }\r
-#else\r
- jitCompA0001_movEaxRxx(&w, src[2]);\r
-#endif\r
- if (*src == 0x18) { jitCompPutByte2(w.dst, 0xd3, 0xe0); } /* SHL(EAX, CL); */\r
- if (*src == 0x19) { jitCompPutByte2(w.dst, 0xd3, 0xf8); } /* SAR(EAX, CL); */\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- jitCompA000_loadRegCacheAll(&w); // 手抜き.\r
- cmp0reg = src[1];\r
- cmp0lev = 1;\r
- break;\r
- \r
- case 0x1a: /* DIV */\r
- case 0x1b: /* MOD */\r
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;\r
- if (src[2] >= 0x40) w.err = JITC_ERR_REGNUM;\r
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;\r
- jitCompA000_storeRegCacheAll(&w); // 手抜き.\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[3] == 0x3f) {\r
- jitCompPutByte1(w.dst, 0xb8 | 1); /* MOV(ECX, ?); */\r
- jitCompPutImm32(&w, w.r3f);\r
- }\r
- else {\r
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */\r
- }\r
- if (src[2] == 0x3f) {\r
- jitCompPutByte1(w.dst, 0xb8 | 0); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, w.r3f);\r
- }\r
- else {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */\r
- }\r
-#else\r
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */\r
-#endif\r
- jitCompPutByte1(w.dst, 0x99); /* CDQ(); */\r
- /* ECXがゼロではないことを確認すべき */\r
- jitCompPutByte2(w.dst, 0xf7, 0xf9); /* IDIV(ECX); */\r
- if (*src == 0x1a) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 0 /* EAX */); }\r
- if (*src == 0x1b) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 2 /* EDX */); }\r
- jitCompA000_loadRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- \r
- case 0x1c: /* PLMT0 */\r
- case 0x1d: /* PLMT1 */\r
- if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;\r
- if (level < JITC_LV_FASTEST) {\r
- cmp0reg = -1;\r
- if (level < JITC_LV_FASTER) {\r
- // typ が一致していることを確認.\r
- // plsとliveSignが一致していることを確認.\r
- \r
- // preg1はp0 <= p <= p1 を満たしているか？.\r
- // 新しいp0/p1は古いp0〜p1に適合しているか？.\r
- \r
- }\r
- }\r
- \r
- case 0x1e: /* PCP */ /* 未完成(p1まで完成) */\r
- if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;\r
- if (src[2] == 0x3f) w.err = JITC_ERR_PREGNUM;\r
- if (src[1] != 0x3f) {\r
- /* src[2] == 0xff の場合に対応できてない */\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- for (i = 0; i < 32; i += 4) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + i); /* MOV(EAX, [EBP+?]); */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- }\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- }\r
- else {\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */\r
- jitCompPutByte3(w.dst, 0x83, 0xf8, 0); /* CMP(EAX, 0); */\r
- jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */\r
- jitCompPutImm32(&w, errfnc - (w.dst + 4));\r
- /* セキュリティチェックが足りてない!(aliveとか) */\r
- }\r
- reg0 = 0; /* EAX */\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */\r
- if (level < JITC_LV_FASTER) {\r
- jitCompPutByte1(w.dst, 0x3b); /* CMP(reg0, [EBP+?]); */\r
- jitCompA0001_85DispN(&w, 256 + src[2] * 32 + 8, reg0); /* p0 */\r
- jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */\r
- jitCompPutImm32(&w, errfnc - (w.dst + 4));\r
- }\r
- jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */\r
- }\r
- break;\r
- \r
- case 0x1f: /* PCST */\r
- if (jitCompGetImm32(src + 2) == 0) {\r
- if (level < JITC_LV_FASTER)\r
- jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 7), 2);\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- for (i = 0; i < 32 - 4; i += 4) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */\r
- if (i == 4) {\r
- jitCompPutByte1(w.dst, 0x0d); /* OR(EAX, ?); */\r
- jitCompPutImm32(&w, 0x80000000);\r
- }\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- }\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, debugInfo1);\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 28, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- }\r
- if (jitCompGetImm32(src + 7) == 0) {\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- for (i = 0; i < 32 - 4; i += 4) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */\r
- if (i == 4) {\r
- jitCompPutByte1(w.dst, 0x25); /* AND(EAX, ?); */\r
- jitCompPutImm32(&w, 0x7fffffff);\r
- }\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */\r
- }\r
- if (level < JITC_LV_FASTER) {\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + 28); /* MOV(EAX, [EBP+?]); */\r
- jitCompPutByte1(w.dst, 0x3d); /* CMP(EAX, ?); */\r
- jitCompPutImm32(&w, debugInfo1);\r
- jitCompPutByte2(w.dst, 0x74, 8); /* JE */\r
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); (2) */\r
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0 /* EAX */); /* MOV([EBP+?], EAX); (1+1+4) */\r
- }\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- }\r
- w.err = JITC_ERR_OPECODE;\r
- goto err_w;\r
- \r
- case 0x20: /* CMPE */\r
- case 0x21: /* CMPNE */\r
- case 0x22: /* CMPL */\r
- case 0x23: /* CMPGE */\r
- case 0x24: /* CMPLE */\r
- case 0x25: /* CMPG */\r
- case 0x26: /* TSTZ */\r
- case 0x27: /* TSTNZ */\r
- reg0 = jitCompA000_selectRegCache(src[2], 0 /* EAX */);\r
- reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);\r
- if (src[1] == 0x3f) {\r
- /* 特殊構文チェック */\r
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }\r
- if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {\r
- w.err = JITC_ERR_IDIOM; goto err_w;\r
- }\r
- }\r
- if (reg0 == 0)\r
- jitCompA0001_movEaxRxx(&w, src[2]);\r
-#if (jitCompA0001_USE_R3F_IMM32 != 0)\r
- if (src[3] == 0x3f) {\r
-#if (jitCompA0001_OPTIMIZE_CMP != 0)\r
- if ((*src <= 0x25 && w.r3f == 0) || (*src >= 0x26 && w.r3f == -1)) {\r
- i = 0;\r
- if (cmp0reg == src[2]) {\r
- if (cmp0lev >= 1 && (src[0] == 0x20 || src[0] == 0x21 || src[0] == 0x26 || src[0] == 0x27))\r
- i = 1;\r
- if (cmp0lev >= 2 && (src[0] == 0x22 || src[0] == 0x23 || src[0] == 0x24 || src[0] == 0x25))\r
- i = 1;\r
- }\r
- if (i == 0) {\r
- jitCompPutByte2(w.dst, 0x85, 0xc0 | reg0 << 3 | reg0); /* TEST(reg0, reg0); */\r
- }\r
- cmp0reg = src[2];\r
- cmp0lev = 2;\r
- goto cmpcc1;\r
- }\r
-#endif\r
-#if (jitCompA0001_USE_R3F_IMM8 != 0)\r
- if (-0x80 <= w.r3f && w.r3f <= 0x7f && *src <= 0x25) {\r
- jitCompPutByte3(w.dst, 0x83, 0xf8 | reg0, w.r3f);\r
- goto cmpcc1;\r
- }\r
-#endif\r
- if (reg0 == 0) {\r
- if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3d); }\r
- if (*src >= 0x26) { jitCompPutByte1(w.dst, 0xa9); }\r
- }\r
- else {\r
- if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x81, 0xf8 | reg0); }\r
- if (*src >= 0x26) { jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); }\r
- }\r
- jitCompPutImm32(&w, w.r3f);\r
- goto cmpcc1;\r
- }\r
-#endif\r
- if (src[3] >= 0x40) w.err = JITC_ERR_PREGNUM;\r
- if (reg1 >= 0) {\r
- if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x39, 0xc0 | reg1 << 3 | reg0); }\r
- if (*src >= 0x26) { jitCompPutByte2(w.dst, 0x85, 0xc0 | reg1 << 3 | reg0); }\r
- }\r
- else {\r
- if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3b); }\r
- if (*src >= 0x26) { jitCompPutByte1(w.dst, 0x85); }\r
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);\r
- }\r
- cmpcc1:\r
- if (w.err != 0) goto err_w;\r
- static unsigned char cmpcc_table0[] = {\r
- 0x04, 0x05, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, /* CMPcc, TSTcc */\r
- 0x04, 0x05, 0x02, 0x03, 0x06, 0x07 /* PCMPcc */\r
- };\r
-#if (jitCompA0001_USE_R3F_CMPJMP != 0)\r
- if (src[1] == 0x3f) {\r
- /* 特殊構文を利用した最適化 */\r
- jitCompPutByte2(w.dst, 0x0f, 0x80 | cmpcc_table0[*src - 0x20]);\r
- src += 6;\r
- i = jitCompGetLabelNum(&w, src + 2);\r
- if ((flags & JITC_PHASE1) != 0 && w.err != 0) {\r
- if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }\r
- // if (label[i].typ != 1) { w.err = JITC_ERR_LABELTYP; goto err_w; }\r
- }\r
- j = 0;\r
- if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0))\r
- j = label[i].p - (w.dst + 4);\r
- jitCompPutImm32(&w, j);\r
-#if (jitCompA0001_OPTIMIZE_JMP != 0)\r
- if (-128 - 4 <= j && j < 0) {\r
- j += 4;\r
- w.dst -= 6;\r
- jitCompPutByte2(w.dst, w.dst[1] ^ 0xf0, j & 0xff);\r
- }\r
-#endif\r
- src += 6;\r
- if (w.err != 0) goto err_w;\r
- continue;\r
- }\r
-#endif\r
- /* 一般的なJITC */\r
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);\r
- jitCompPutByte3(w.dst, 0x0f, 0x90 | cmpcc_table0[*src - 0x20], 0xc0 | reg0); /* SETcc(BYTE(reg0)); */\r
- jitCompPutByte3(w.dst, 0x0f, 0xb6, 0xc0 | reg0 << 3 | reg0); /* MOVZX(reg0, BYTE(reg0)); */\r
- jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */\r
- if (reg0 == 0)\r
- jitCompA0001_movRxxEax(&w, src[1]);\r
- cmp0reg = src[2];\r
- cmp0lev = 1;\r
- break;\r
- \r
- case 0x28: /* PCMPE */\r
- case 0x29: /* PCMPNE */\r
- case 0x2a: /* PCMPL */\r
- case 0x2b: /* PCMPGE */\r
- case 0x2c: /* PCMPLE */\r
- case 0x2d: /* PCMPG */\r
- if (src[1] == 0x3f) {\r
- /* 特殊構文チェック */\r
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }\r
- if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {\r
- w.err = JITC_ERR_IDIOM; goto err_w;\r
- }\r
- }\r
- if (src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- if (src[3] != 0xff)\r
- jitCompA0001_checkCompPtr(&w, src[2], src[3]);\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */\r
- if (src[3] != 0xff) {\r
- jitCompPutByte1(w.dst, 0x3b); /* CMP(EAX, [EBP+?]); */\r
- jitCompA0001_85DispN(&w, 256 + src[3] * 32 + 0, 0);\r
- }\r
- else {\r
- /* 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 */\r
- jitCompPutByte3(w.dst, 0x83, 0xf8, 0x00); /* CMP(EAX, 0); */\r
- }\r
- cmp0reg = -1;\r
- goto cmpcc1;\r
- \r
- case 0x30: /* talloc(old:F4) */\r
- case 0x31: /* tfree(old:F5) */\r
- case 0x32: /* malloc(old:F6) */\r
- case 0x33: /* mfree(old:F7) */\r
- jitCompA000_storeRegCacheAll(&w); // 手抜き.\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */\r
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */\r
- jitCompPutByte1(w.dst, 0xe8);\r
- if (*src == 0x30) j = ((unsigned char *)&funcf4) - (w.dst + 4);\r
- if (*src == 0x31) j = ((unsigned char *)&funcf5) - (w.dst + 4);\r
- if (*src == 0x32) j = ((unsigned char *)&funcf6) - (w.dst + 4);\r
- if (*src == 0x33) j = ((unsigned char *)&funcf7) - (w.dst + 4);\r
- jitCompPutImm32(&w, j);\r
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x10); /* ADD(ESP,16); */\r
- jitCompA000_loadRegCacheAll(&w); // 手抜き.\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- \r
- case 0x34: /* data (暫定) */\r
- cmp0reg = -1;\r
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }\r
- int k = jitCompGetImm32(&src[1]), tmpData, bitCount, dataWidth = jitCompA000_dataWidth(k);\r
- if (lastlabel >= 0 && label[lastlabel].typ == 0)\r
- label[lastlabel].typ = k;\r
- if (k != 1) {\r
- i = jitCompA000_convTyp(k);\r
- if (i < 2 || i > 7) { w.err = JITC_ERR_BADTYPE; goto err_w; }\r
- }\r
- j = jitCompGetImm32(&src[5]);\r
- oldsrc = src;\r
- src += 9;\r
- if (k != 1) {\r
- bitCount = 7;\r
- while (j > 0) {\r
- if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }\r
- if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }\r
- tmpData = 0;\r
- for (k = 0; k < dataWidth; k++) {\r
- tmpData = tmpData << 1 | ((*src >> bitCount) & 1);\r
- bitCount--;\r
- if (bitCount < 0) {\r
- bitCount = 7;\r
- src++;\r
- }\r
- }\r
- if ((i & 1) == 0 && dataWidth <= 31 && (tmpData >> (dataWidth - 1)) != 0) {\r
- tmpData -= 1 << dataWidth;\r
- }\r
- if (i == 2 || i == 3) { jitCompPutByte1(w.dst, tmpData & 0xff); }\r
- if (i == 4 || i == 5) { jitCompPutByte2(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff); }\r
- if (i == 6 || i == 7) { jitCompPutByte4(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff, (tmpData >> 16) & 0xff, (tmpData >> 24) & 0xff); }\r
- j--;\r
- }\r
- }\r
- else {\r
- while (j > 0) {\r
- if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }\r
- if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }\r
- i = jitCompGetImm32(src);\r
- src += 4;\r
- if ((flags & JITC_PHASE1) != 0 && w.err == 0) {\r
- if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }\r
- }\r
- jitCompPutImm32(&w, (int)label[i].p);\r
- jitCompPutImm32(&w, label[i].typ);\r
- jitCompPutImm32(&w, (int)label[i].p);\r
- jitCompPutImm32(&w, (int)label[i].p1);\r
- jitCompPutImm32(&w, 0); /* liveSign */\r
- jitCompPutImm32(&w, 2320); /* pls */\r
- jitCompPutImm32(&w, 0);\r
- jitCompPutImm32(&w, 0);\r
- j--;\r
- }\r
- }\r
- if (lastlabel >= 0 && label[lastlabel].p1 < w.dst)\r
- label[lastlabel].p1 = w.dst;\r
- continue;\r
- \r
- case 0x3c: /* ENTER */\r
- jitCompA000_storeRegCacheAll(&w); // 手抜き.\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */\r
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */\r
- jitCompPutByte1(w.dst, 0xe8);\r
- j = ((unsigned char *)&func3c) - (w.dst + 4);\r
- jitCompPutImm32(&w, j);\r
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */\r
- jitCompA000_loadRegCacheAll(&w); // 手抜き.\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- \r
- case 0x3d: /* LEAVE */\r
- jitCompA000_storeRegCacheAll(&w); // 手抜き.\r
- jitCompA000_storePRegCacheAll(&w); // 手抜き.\r
- jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */\r
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */\r
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */\r
- jitCompPutByte1(w.dst, 0xe8);\r
- j = ((unsigned char *)&func3d) - (w.dst + 4);\r
- jitCompPutImm32(&w, j);\r
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */\r
- jitCompA000_loadRegCacheAll(&w); // 手抜き.\r
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.\r
- cmp0reg = -1;\r
- break;\r
- \r
- case 0xfe: /* remark */\r
- if (src[1] == 0x01 && src[2] == 0x00) { // DBGINFO1\r
- if (level <= JITC_LV_SLOWER) {\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, debugInfo1);\r
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */\r
- }\r
- }\r
- if (src[1] == 0x01 && src[2] == 0x03) { // DBGINFO1CLR\r
- if (level <= JITC_LV_SLOWER) {\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, -1);\r
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */\r
- }\r
- }\r
- if (src[1] == 0x05 && src[2] == 0x00) { // DBGINFO0\r
- if (level <= JITC_LV_SLOWEST) {\r
- debugInfo0 = jitCompGetImm32(src + 3);\r
- // jitCompPutByte1(w.dst, 0xbf); /* MOV(EDI, ?); */\r
- // jitCompPutImm32(&w, debugInfo0);\r
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */\r
- jitCompPutImm32(&w, debugInfo0);\r
- jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */\r
- }\r
- }\r
- break;\r
- \r
- default:\r
- w.err = JITC_ERR_OPECODE;\r
- goto err_w;\r
- }\r
- if (w.err != 0) goto err_w;\r
- jitCompA0001_fixPrefix(&w);\r
- if (w.err != 0) goto err_w;\r
- src += jitCompCmdLen(src);\r
- }\r
- if (enter0 != NULL) {\r
- j = w.dst - (enter0 + 4);\r
- enter0[0] = j & 0xff;\r
- enter0[1] = (j >> 8) & 0xff;\r
- enter0[2] = (j >> 16) & 0xff;\r
- enter0[3] = (j >> 24) & 0xff;\r
- }\r
- if ((flags & JITC_NOSTARTUP) == 0) {\r
- jitCompA000_storeRegCacheAll(&w);\r
- jitCompA000_storePRegCacheAll(&w);\r
- jitCompPutByte1(w.dst, 0x61); /* POPAD(); */\r
- }\r
- if ((flags & JITC_PHASE1) != 0)\r
- return w.dst - dst00;\r
- return 0;\r
- \r
-err_w:\r
- if ((w.err & JITC_ERR_PHASE0ONLY) != 0) {\r
- if ((flags & JITC_PHASE1) == 0)\r
- w.err &= ~JITC_ERR_PHASE0ONLY;\r
- }\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_REGNUM)) errmsg = "reg-number error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_DST1)) errmsg = "dst1 error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_OPECODE)) errmsg = "opecode error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNUM)) errmsg = "label number too large";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELREDEF)) errmsg = "label redefine";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIX)) { errmsg = "prefix redefine"; w.dst -= 2; }\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNODEF)) errmsg = "label not defined";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELTYP)) errmsg = "label type error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_IDIOM)) errmsg = "idiom error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREGNUM)) errmsg = "preg-number error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_SRC1)) errmsg = "src1 error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_BADTYPE)) errmsg = "bad type code";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIXFAR)) errmsg = "prefix internal error";\r
- if (w.err == (JITC_ERR_MASK & JITC_ERR_INTERNAL)) errmsg = "general internal error";\r
- if (*errmsg != '\0') {\r
- fprintf(stderr, "JITC: %s at %06X (debugInfo0=%d)\n ", errmsg, src - src0, debugInfo0);\r
- for (i = 0; i < 16; i++)\r
- fprintf(stderr, "%02X ", src[i]);\r
- static char *table[0x30] = {\r
- "NOP", "LB", "LIMM", "PLIMM", "CND", "??", "??", "??",\r
- "LMEM", "SMEM", "PLMEM", "PSMEM", "LEA", "??", "PADD", "PDIF",\r
- "CP/OR", "XOR", "AND", "??", "ADD", "SUB", "MUL", "??",\r
- "SHL", "SAR", "DIV", "MOD", "PLMT0", "PLMT1", "PCP", "PCST",\r
- "CMPE", "CMPNE", "CMPL", "CMPGE", "CMPLE", "CMPG", "TSTZ", "TSTNZ",\r
- "PCMPE", "PCMPNE", "PCMPL", "PCMPGE", "PCMPLE", "PCMPG", "??", "EXT" };\r
- errmsg = "??";\r
- if (*src < 0x30) errmsg = table[*src];\r
- fprintf(stderr, "(%s)\n", errmsg);\r
- }\r
- return -1;\r
-}\r
-\r
-unsigned char *jitCompCallFunc(unsigned char *dst, void *func)\r
-{\r
- struct JitCompWork w;\r
- w.dst = dst;\r
- jitCompA000_storeRegCacheAll(&w);\r
- jitCompA000_storePRegCacheAll(&w);\r
- jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */\r
- 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） */\r
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */\r
- jitCompPutByte1(w.dst, 0xe8); /* CALL(func); */\r
- int j = ((unsigned char *)func) - (w.dst + 4);\r
- \r
- //この関数の中では結局w->dstしか参照していない\r
- jitCompPutImm32(&w, j);\r
- \r
- jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */ /* （win32では不要なのだけど、MacOSには必要らしい） */\r
- jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */\r
- jitCompPutByte1(w.dst, 0x61); /* POPAD(); */\r
- jitCompA000_loadRegCacheAll(&w);\r
- jitCompA000_loadPRegCacheAll(&w);\r
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + 0x30 * 32 + 0); /* MOV(EAX, [EBP+?]); */\r
- jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */\r
- return w.dst;\r
-}\r
-\r
-unsigned char *jitCompInit(unsigned char *dst)\r
-{\r
- errfnc = dst;\r
- return jitCompCallFunc(dst, &errHndl);\r
-}\r
-\r
-void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)\r
-{\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- int i, *pi;\r
- HOSECPU_PointerRegisterEntry *pp;\r
- if (r->junkStack + 2048 > r->junkStack1) (*(r->errHndl))(r);\r
- pi = (void *)r->junkStack; r->junkStack += r1 * 4;\r
- for (i = 0; i < r1; i++)\r
- pi[i] = r->ireg[i];\r
- pp = (void *)r->junkStack; r->junkStack += p1 * 32;\r
- for (i = 0; i < p1; i++)\r
- pp[i] = r->preg[i];\r
- pp = (void *)r->junkStack; r->junkStack += 32;\r
- *pp = r->preg[0x30];\r
- pi = (void *)r->junkStack; r->junkStack += 4;\r
- *pi = opt << 16 | r1 << 8 | p1;\r
- for (i = 0; i < lenR; i++)\r
- r->ireg[r0 + i] = r->ireg[0x30 + i];\r
- for (i = 0; i < lenP; i++)\r
- r->preg[p0 + i] = r->preg[0x31 + i];\r
- return;\r
-}\r
-\r
-void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)\r
-{\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- int i;\r
- r->junkStack -= 4;\r
- r->junkStack -= 32;\r
- HOSECPU_PointerRegisterEntry *pp = (void *)r->junkStack;\r
- r->preg[0x30] = *pp;\r
- r->junkStack -= p1 * 32; pp = (void *)r->junkStack;\r
- for (i = 0; i < p1; i++)\r
- r->preg[i] = pp[i];\r
- r->junkStack -= r1 * 4; int *pi = (void *)r->junkStack;\r
- for (i = 0; i < r1; i++)\r
- r->ireg[i] = pi[i];\r
- return;\r
-}\r
-\r
-void funcf4(char *ebp, int pxx, int typ, int len)\r
-{\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;\r
- if (width < 0 || r->ireg[len] < 0)\r
- (*(r->errHndl))(r);\r
- void *p = r->junkStack;\r
- if (r->junkStack + width * r->ireg[len] + 256 > r->junkStack1) (*(r->errHndl))(r);\r
- r->junkStack += width * r->ireg[len];\r
- r->preg[pxx].p = p;\r
- r->preg[pxx].typ = r->ireg[typ];\r
- r->preg[pxx].p0 = p;\r
- r->preg[pxx].p1 = (void *)r->junkStack;\r
- int *pi = (int *)r->junkStack;\r
- *pi = width * r->ireg[len];\r
- r->junkStack += sizeof (int);\r
- if (r->ireg[typ] == 1) {\r
- int i, i1 = (width * r->ireg[len]) >> 2;\r
- pi = p;\r
- for (i = 0; i < i1; i++)\r
- pi[i] = 0;\r
- }\r
- return;\r
-}\r
-\r
-void funcf5(char *ebp, int pxx, int typ, int len)\r
-{\r
- // pxxはダミーで参照されない\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- r->junkStack -= sizeof (int);\r
- int *pi = (int *)r->junkStack;\r
- r->junkStack -= *pi;\r
-#if 0\r
- int width = jitCompA000_dataWidth(r->ireg[typ]);\r
- void *p = r->junkStack;\r
- r->junkStack -= width * r->ireg[len];\r
-#endif\r
- return;\r
-}\r
-\r
-void funcf6(char *ebp, int pxx, int typ, int len)\r
-{\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;\r
- if (width < 0 || r->ireg[len] < 0)\r
- (*(r->errHndl))(r);\r
- void *p = malloc(width * r->ireg[len]);\r
- r->preg[pxx].p = p;\r
- r->preg[pxx].typ = r->ireg[typ];\r
- r->preg[pxx].p0 = p;\r
- r->preg[pxx].p1 = (unsigned char *)p + width * r->ireg[len];\r
- if (r->ireg[typ] == 1) {\r
- int i, i1 = (width * r->ireg[len]) >> 2, *pi;\r
- pi = p;\r
- for (i = 0; i < i1; i++)\r
- pi[i] = 0;\r
- for (i = 1; i < i1; i += 8)\r
- pi[i] |= -1;\r
- }\r
- return;\r
-}\r
-\r
-void funcf7(char *ebp, int pxx, int typ, int len)\r
-{\r
- // typとlenはダミーで参照されない\r
- HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);\r
- free(r->preg[pxx].p);\r
- return;\r
-}\r
-\r
-void errHndl(HOSECPU_RuntimeEnvironment *r)\r
-{\r
- r = (HOSECPU_RuntimeEnvironment *) (((char *)r) - jitCompA0001_EBP128);\r
- (*(r->errHndl))(r);\r
- // ここに帰ってきてはいけない.\r
-}\r
-\r
-/*\r
- * 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\r
- *\r
- * 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)\r
- * q1 : 出力バイナリの書き込み位置のアドレスの最大値\r
- * 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)\r
- * p1 : (*.ose)バイナリの読み込み位置の取りうる最大値\r
- * (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)\r
- * ret=1 : ヘッダのエラー\r
- * ret=2 : jitコンパイルエラー\r
- */\r
-int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, HOSECPU_LabelListTag *label)\r
-{\r
- unsigned char *q = *qq;\r
- if (p0[0] != 0x05 || p0[1] != SIGN1) // OSECPUのヘッダ (05E1) を確認\r
- return 1;\r
- \r
- *q++ = 0x55; /* PUSH(EBP); */\r
- *q++ = 0x8b; *q++ = 0x6c; *q++ = 0x24; *q++ = 0x08; /* MOV(EBP,[ESP+8]); */\r
- \r
- int i;\r
- for (i = 0; i < JITC_MAXLABELS; i++)\r
- label[i].opt = 0;\r
- \r
- // 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?\r
- i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, 0);\r
- if (i != 0) return 2;\r
- i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, JITC_PHASE1 + 0);\r
- if (i < 0) return 2;\r
- q += i;\r
- \r
- *q++ = 0x5d; /* POP(EBP); */\r
- *q++ = 0xc3; /* RET(); */\r
- \r
- *qq = q;\r
- return 0;\r
-}\r
-\r
-#if (USE_DEBUGGER != 0)\r
-\r
-int dbgrGetRegNum(const char *p)\r
-{\r
- int i, j, r = -1;\r
- if (p[2] <= ' ') {\r
- i = p[0] - '0';\r
- j = p[1] - '0';\r
- if (i > 9) i -= 'A' - '0' - 10;\r
- if (j > 9) j -= 'A' - '0' - 10;\r
- if (0 <= i && i <= 15 && 0 <= j && j <= 15)\r
- r = i << 4 | j;\r
- }\r
- return r;\r
-}\r
-\r
-void dbgrMain(HOSECPU_RuntimeEnvironment *r)\r
-{\r
- if (r->dbgr == 0) return;\r
- for (;;) {\r
- char cmd[64], *p;\r
- int i, j, k;\r
- printf("\ndbgr>");\r
- p = fgets(cmd, 64, stdin);\r
- if (p == NULL) break;\r
- if (cmd[0] == '\0') continue;\r
- if (cmd[0] == 'q' && cmd[1] <= ' ') break;\r
- if (cmd[0] == 'p' && cmd[1] <= ' ' && cmd[1] != '\0') {\r
- p = &cmd[2];\r
- while (*p <= ' ' && *p != '\0') p++;\r
- if (*p == 'R') {\r
- i = dbgrGetRegNum(p + 1);\r
- if (0 <= i && i <= 0x3f) {\r
- printf("R%02X = 0x%08X = %d\n", i, r->ireg[i], r->ireg[i]);\r
- }\r
- else\r
- puts("register name error");\r
- continue;\r
- }\r
- if (*p == 'P') {\r
- i = dbgrGetRegNum(p + 1);\r
- if (0 <= i && i <= 0x3f) {\r
- p = "invalid";\r
- if (0 <= r->preg[i].typ && r->preg[i].typ <= 0x15) {\r
- static char *typName[] = {\r
- "T_CODE", "T_VPTR", "T_SINT8", "T_UINT8",\r
- "T_SINT16", "T_UINT16", "T_SINT32", "T_UINT32",\r
- "T_SINT4", "T_UINT4", "T_SINT2", "T_UINT2",\r
- "T_SINT1", "T_UINT1", "T_SINT12", "T_UINT12",\r
- "T_SINT20", "T_UINT20", "T_SINT24", "T_UINT24",\r
- "T_SINT28", "T_UINT28"\r
- };\r
- p = typName[r->preg[i].typ];\r
- }\r
- printf("P%02X:\n type = %s(%04X), (origin-ptr) = 0x%08X\n", i, p, r->preg[i].typ, (unsigned int)(r->preg[i].p0));\r
- if (r->preg[i].p != NULL && r->preg[i].p0 != NULL) {\r
- j = jitCompA000_dataWidth(jitCompA000_convTyp(r->preg[i].typ)) >> 3;\r
- if (j <= 0) j = 1;\r
- k = (r->preg[i].p1 - r->preg[i].p0) / j;\r
- printf(" size = 0x%08X = %d\n", k, k);\r
- k = (r->preg[i].p - r->preg[i].p0) / j;\r
- printf(" pos = 0x%08X = %d\n", k, k);\r
- }\r
- else {\r
- puts(" null pointer");\r
- }\r
- }\r
- else\r
- puts("register name error");\r
- continue;\r
- }\r
- }\r
- puts("command error");\r
- }\r
- return;\r
-}\r
-\r
-#endif\r
-\r
-\r
+#include "osecpu.h"
+#include "jitc.h"
+
+#if (JITC_ARCNUM == 0x0001)
+//
+// for x86-32bit
+//
+
+void jitCompPutImm32(struct JitCompWork *w, int i)
+{
+ jitCompPutByte1(w->dst, i & 0xff);
+ jitCompPutByte1(w->dst, (i >> 8) & 0xff);
+ jitCompPutByte1(w->dst, (i >> 16) & 0xff);
+ jitCompPutByte1(w->dst, (i >> 24) & 0xff);
+ return;
+}
+
+int jitCompGetImm32(const unsigned char *src)
+{
+ return (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];
+}
+
+int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src)
+{
+ int i = jitCompGetImm32(src);
+ if (i < 0 || i >= w->maxLabels) {
+ w->err = JITC_ERR_LABELNUM;
+ i = 0;
+ }
+ return i;
+}
+
+void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n)
+{
+ disp -= jitCompA0001_EBP128;
+ if (-128 <= disp && disp <= 127) {
+ jitCompPutByte2(w->dst, 0x45 | (n << 3), disp & 0xff);
+ } else {
+ jitCompPutByte1(w->dst, 0x85 | (n << 3));
+ jitCompPutImm32(w, disp);
+ }
+ return;
+}
+
+void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32)
+{
+ jitCompPutByte1(w->dst, 0x89); /* MOV(mem, reg32); */
+ jitCompA0001_85DispN(w, disp, reg32);
+ return;
+}
+
+void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp)
+{
+ jitCompPutByte1(w->dst, 0x8b); /* MOV(reg32, mem); */
+ jitCompA0001_85DispN(w, disp, reg32);
+ return;
+}
+
+void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx)
+{
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (rxx == 0x3f) {
+ jitCompPutByte1(w->dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(w, w->r3f);
+ return;
+ }
+#endif
+ if (rxx >= 0x40 || rxx < 0){
+ w->err = JITC_ERR_REGNUM;
+ }
+ jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, rxx * 4); /* MOV(EAX, [EBP+?]); */
+ return;
+}
+
+void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx)
+{
+ if (rxx >= 0x40 || rxx < 0){
+ w->err = JITC_ERR_REGNUM;
+ }
+ jitCompA0001_movEbpDispReg32(w, rxx * 4, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ return;
+}
+
+void jitCompA0001_fixPrefix(struct JitCompWork *w)
+{
+ if (w->prefix != 0) {
+ if (w->dst - w->dst0 > 127){
+ w->err = JITC_ERR_REGNUM;
+ }
+ w->dst0[-1] = (unsigned char)((w->dst - w->dst0) & 0xff);
+ }
+ return;
+}
+
+void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1)
+{
+ if (p0 >= 0x3f || p0 < 0){
+ w->err = JITC_ERR_PREGNUM;
+ }
+ if (p1 >= 0x3f || p1 < 0){
+ w->err = JITC_ERR_PREGNUM;
+ }
+ /* 比較可能可能なのかのチェックのコードを出力 */ /* 未完成 */
+ return;
+}
+
+void jitCompA000_loadRegCacheAll(struct JitCompWork *w)
+{
+ jitCompA0001_movReg32EbpDisp(w, 3 /* EBX */, 0 * 4); /* EBX = R00; */
+ jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
+ jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
+ return;
+}
+
+void jitCompA000_storeRegCacheAll(struct JitCompWork *w)
+{
+ jitCompA0001_movEbpDispReg32(w, 0 * 4, 3 /* EBX */); /* R00 = EBX; */
+ jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
+ jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
+ return;
+}
+
+void jitCompA000_loadRegCacheEcx(struct JitCompWork *w)
+{
+ jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
+ return;
+}
+
+void jitCompA000_storeRegCacheEcx(struct JitCompWork *w)
+{
+ jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
+ return;
+}
+
+void jitCompA000_loadRegCacheEdx(struct JitCompWork *w)
+{
+ jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
+ return;
+}
+
+void jitCompA000_storeRegCacheEdx(struct JitCompWork *w)
+{
+ jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
+ return;
+}
+
+int jitCompA000_selectRegCache(int rxx, int reg)
+{
+ switch (rxx) {
+ case 0:
+ //EBX
+ reg = 3;
+ break;
+ case 1:
+ //ECX
+ reg = 1;
+ break;
+ case 2:
+ //EDX
+ reg = 2;
+ break;
+ }
+ return reg;
+}
+
+void jitCompA000_loadPRegCacheAll(struct JitCompWork *w)
+{
+ // jitCompA0001_movReg32EbpDisp(w, 5 /* EBP */, 256 + 0 * 32 + 0); /* EBP = P00; */
+ jitCompA0001_movReg32EbpDisp(w, 6 /* ESI */, 256 + 1 * 32 + 0); /* ESI = P01; */
+ jitCompA0001_movReg32EbpDisp(w, 7 /* EDI */, 256 + 2 * 32 + 0); /* EDI = P02; */
+ return;
+}
+
+void jitCompA000_storePRegCacheAll(struct JitCompWork *w)
+{
+ // jitCompA0001_movEbpDispReg32(w, 256 + 0 * 32 + 0, 5 /* EBP */); /* P00 = EBP; */
+ jitCompA0001_movEbpDispReg32(w, 256 + 1 * 32 + 0, 6 /* ESI */); /* P01 = ESI; */
+ jitCompA0001_movEbpDispReg32(w, 256 + 2 * 32 + 0, 7 /* EDI */); /* P02 = EDI; */
+ return;
+}
+
+int jitCompA000_selectPRegCache(int pxx, int reg)
+{
+ // if (pxx == 0) reg = 5; /* EBP */
+ switch (pxx) {
+ case 1:
+ //ESI
+ reg = 6;
+ break;
+
+ case 2:
+ //EDI
+ reg = 7;
+ break;
+ }
+ return reg;
+}
+
+int jitCompA000_convTyp(int t)
+{
+ int r = -1;
+
+ if (1 <= t && t <= 7){
+ r = t;
+ } else if (8 <= t && t <= 13){
+ r = 2 | (t & 1);
+ } else if (14 <= t && t <= 15){
+ r = 4 | (t & 1);
+ } else if (16 <= t && t <= 21){
+ r = 6 | (t & 1);
+ }
+ return r;
+}
+
+int jitCompA000_dataWidth(int t)
+{
+ int r = -1;
+ if (t == 0x0001) r = 256;
+ t >>= 1;
+ if (t == 0x0002 / 2) r = 8;
+ if (t == 0x0004 / 2) r = 16;
+ if (t == 0x0006 / 2) r = 32;
+ if (t == 0x0008 / 2) r = 4;
+ if (t == 0x000a / 2) r = 2;
+ if (t == 0x000c / 2) r = 1;
+ if (t == 0x000e / 2) r = 12;
+ if (t == 0x0010 / 2) r = 20;
+ if (t == 0x0012 / 2) r = 24;
+ if (t == 0x0014 / 2) r = 28;
+ return r;
+}
+
+static unsigned char *errfnc;
+
+void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac)
+{
+ if (typ <= 0) { w->err = JITC_ERR_BADTYPE; }
+ if (typ > 0x7f) { w->err = JITC_ERR_INTERNAL; }
+ jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, 256 + pxx * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */
+ jitCompPutByte3(w->dst, 0x83, 0xf8, typ & 0x7f); /* CMP(EAX, ?); */
+ jitCompPutByte2(w->dst, 0x0f, 0x85); /* JNE */
+ jitCompPutImm32(w, errfnc - (w->dst + 4));
+ return;
+}
+
+void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac)
+// data用.
+// 将来的にはaliveやアクセス権チェックも入れる
+{
+ jitCompA0001_checkType0(w, pxx, typ, ac);
+ return;
+}
+
+void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx)
+{
+ jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */
+ jitCompA0001_85DispN(w, 256 + pxx * 32 + 8, reg); /* p0 */
+ jitCompPutByte2(w->dst, 0x0f, 0x82); /* JB */
+ jitCompPutImm32(w, errfnc - (w->dst + 4));
+ jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */
+ jitCompA0001_85DispN(w, 256 + pxx * 32 + 12, reg); /* p1 */
+ jitCompPutByte2(w->dst, 0x0f, 0x83); /* JAE */
+ jitCompPutImm32(w, errfnc - (w->dst + 4));
+ return;
+}
+
+// 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.
+int jitCompiler(unsigned char *dst, unsigned char *dst1, const unsigned char *src, const unsigned char *src1, const unsigned char *src0, HOSECPU_LabelListTag *label, int maxLabels, int level, int debugInfo1, int flags)
+{
+ // For IA-32 (x86, 32-bit)
+ // 本来ならこのレイヤでは文法チェックしない
+ //
+ // dst : 現在の書き込みアドレス。
+ // dst1 : 書き込みアドレスの最大値
+ // src : 現在の読み込みアドレス(ヘッダ部は飛ばしてある
+ // src1 : 読み込みアドレスの最大値
+ // src0 : 読み込みバイナリのアドレス
+ struct JitCompWork w;
+ unsigned char *dst00 = dst, *enter0 = NULL, *tmp_ucp;
+ char *errmsg = "";
+ const unsigned char *oldsrc;
+ int timecount = 0, i, j = 0, lastlabel = -1, debugInfo0 = -1;
+ int reg0, reg1, reg2, cmp0reg = -1, cmp0lev = 0;
+ w.dst = w.dst0 = dst;
+ w.err = 0;
+ w.maxLabels = maxLabels;
+
+ if ((flags & JITC_NOSTARTUP) == 0) {
+ jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
+ jitCompA000_loadRegCacheAll(&w); /* start-up */
+ jitCompA000_loadPRegCacheAll(&w);
+ }
+ if (level <= JITC_LV_SLOWER) {
+ jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
+ jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, debugInfo1);
+ jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
+ }
+ while (src < src1) {
+ w.prefix = 0; //0x04 CND 命令で変更される
+ 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
+ timecount++;
+ if (timecount >= 64) {
+ timecount -= 64;
+ /* 未完成(timeoutチェックコードを入れる) */
+ }
+ prefix_continue: // CND命令実行後ここに戻る
+ switch (*src) {
+
+ case 0x00: /* NOP */
+ 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!
+ break;
+
+ case 0x01: /* LB */
+
+ /*
+ * LB : ラベル設置命令。(6byte)
+ * ・prefex = 1にする
+ * ・timecount++し、timecountのチェックをする。
+ * ・ラベル位置を登録する。
+ * ・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。
+ *
+ * 1 2 3 456
+ * LB 01 opt imm32
+ *
+ */
+
+ 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
+ // LB命令の後に0x3C命令・・・beginFunc()
+ 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
+ enter0 = w.dst;
+ jitCompPutImm32(&w, 0); // 飛び相対座標が0 ・・・パイプラインのフラッシュ??
+ }
+ if (src[6] == 0x34) { // LBの次の命令がDATA ・・・DAT_SA0(label, typ32, length) ・・・メモリ確保命令
+ tmp_ucp = w.dst;
+ 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
+ i = jitCompGetImm32(&src[7]); // type32 を取得
+ j = 32;
+ if (i != 1) {
+ i = jitCompA000_convTyp(i);
+ j = 0;
+ if (i == 2 || i == 3) { j = 1; }
+ if (i == 4 || i == 5) { j = 2; }
+ if (i == 6 || i == 7) { j = 4; }
+ }
+ j *= jitCompGetImm32(&src[11]);
+ if (j <= 0) w.err = JITC_ERR_BADTYPE;
+ jitCompPutImm32(&w, j);
+#if (jitCompA0001_OPTIMIZE_JMP != 0)
+ if (j <= 127 - jitCompA0001_OPTIMIZE_ALIGN) {
+ w.dst -= 5;
+ jitCompPutByte2(w.dst, 0xeb, j);
+ }
+#endif
+ }
+#if (jitCompA0001_OPTIMIZE_ALIGN != 0)
+ for (;;) {
+ i = ((int)w.dst) & (jitCompA0001_OPTIMIZE_ALIGN - 1); /* ALIGNで割ったあまりを計算 */
+ if (i == 0) break;
+ i = jitCompA0001_OPTIMIZE_ALIGN - i;
+ if (i == 1) { jitCompPutByte1(w.dst, 0x90); j += i; } /* NOP(); */
+ if (i == 2) { jitCompPutByte2(w.dst, 0x89, 0xc0); j += i; } /* MOV(EAX, EAX); */
+ if (i == 3) { jitCompPutByte3(w.dst, 0x8d, 0x76, 0x00); j += i; } /* LEA(ESI, [ESI+0]); */
+ if (i == 4) { jitCompPutByte4(w.dst, 0x8d, 0x74, 0x26, 0x00); j += i; } /* LEA(ESI, [ESI*1+0]); */
+ if (i == 5) { jitCompPutByte1(w.dst, 0x0d); jitCompPutImm32(&w, 0); j += i; } /* OR(EAX, 0); */
+ if (i == 6) { jitCompPutByte2(w.dst, 0x8d, 0xb6); jitCompPutImm32(&w, 0); j += i; } /* LEA(ESI, [ESI+0]); */
+ if (i >= 7) { jitCompPutByte3(w.dst, 0x8d, 0xb4, 0x26); jitCompPutImm32(&w, 0); j += 7; } /* LEA(ESI, [ESI*1+0]); */
+ }
+#endif
+ if (src[6] == 0x34) {
+ tmp_ucp[1] = j & 0xff;
+ if (*tmp_ucp == 0xe9) {
+ tmp_ucp[2] = (j >> 8) & 0xff;
+ tmp_ucp[3] = (j >> 16) & 0xff;
+ tmp_ucp[4] = (j >> 24) & 0xff;
+ }
+ }
+ if ((flags & JITC_PHASE1) == 0) {
+ i = jitCompGetLabelNum(&w, src + 2);
+ //printf("i=%06X %06X\n", i, src-src0);
+ if (label[i].opt != 0 && w.err == 0) { w.err = JITC_ERR_LABELREDEF; goto err_w; }
+ if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
+ label[i].opt = src[1] + 1;
+ label[i].typ = 0; /* TYP_CODE */
+ label[i].p = w.dst;
+ label[i].p1 = w.dst + 1;
+ lastlabel = i;
+ }
+ cmp0reg = -1;
+ timecount = 0;
+ /* 未完成(timeoutチェックコードを入れる) */
+ break;
+
+ case 0x02: /* LIMM */
+
+ /*
+ * LIMM : 定数即値代入命令(6byte)
+ *
+ * 1 2 3456
+ * 02 reg0R imm32
+ *
+ * ・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。
+ */
+
+ 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
+
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[1] == 0x3f) { // R3Fへの代入は例外敵に、 w.r3f を使用
+ w.r3f = jitCompGetImm32(src + 2);
+ break;
+ }
+#endif
+ i = jitCompGetImm32(src + 2); // 与えられた即値(第二引数)を取得
+
+ /* 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 */
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+
+#if (jitCompA0001_OPTIMIZE_MOV != 0)
+ if (i == 0) {
+ jitCompPutByte2(w.dst, 0x31, 0xc0 | reg0 << 3 | reg0); /* XOR(reg0, reg0); */
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#endif
+
+ /* reg0 のレジスタに対応したMOV命令を発行 */
+ jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); == 10111000b+wr imm32 */
+ jitCompPutImm32(&w, i);
+
+ 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
+
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+
+ case 0x03: /* PLIMM */ /* 未完成(plsまで対応) */
+
+ /*
+ * PLIMM : ラベル番号代入命令(6byte)
+ *
+ * 1 2 3456
+ * 03 PXX imm32
+ *
+ * ・P28 はAPI用
+ * ・P30 はリターンアドレス
+ * ・P3F はプログラムカウンタ
+ */
+
+ i = jitCompGetLabelNum(&w, src + 2); // Pxxに代入するラベルの番号(第二引数)
+ if ((flags & JITC_PHASE1) != 0 && w.err == 0) { // Phase 1であるならば
+ 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
+ if (src[1] != 0x3f && label[i].opt != 2) { w.err = JITC_ERR_LABELTYP; goto err_w; } //
+ 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
+ }
+ if (src[1] == 0x3f) { // プログラムカウンタへの代入なら
+ if (w.prefix == 0) { // CND命令による条件付きでなければ、即座に移動
+ jitCompPutByte1(w.dst, 0xe9); /* JMP(?); */
+ }
+ else { // 直前はCND命令。
+
+ /*
+ * CND命令
+ * 1 2
+ * 04 reg0R
+ *
+ * いま、dstの末端はJZ命令になっている。 0x0F 0x84 cd
+ */
+
+ // JZのとび先アドレスの書き換え?
+ w.dst[-1] = w.dst[-2] ^ 0xf1; /* 74->85, 75->84 */
+ w.dst[-2] = 0x0f;
+
+ w.prefix = 0;
+ }
+ j = 0;
+ 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)
+ j = label[i].p - (w.dst + 4); // j はとび先の相対番地
+ jitCompPutImm32(&w, j); // JMP もしくは JZ 命令のアドレス部を記述
+#if (jitCompA0001_OPTIMIZE_JMP != 0)
+ if (-128 - 3 <= j && j < 0) {
+ if (w.dst[-5] == 0xe9) {
+ j += 3;
+ w.dst -= 5;
+ jitCompPutByte1(w.dst, 0xeb); /* JMP(?); */
+ }
+ else {
+ j += 4;
+ w.dst -= 6;
+ jitCompPutByte1(w.dst, w.dst[1] ^ 0xf0);
+ }
+ jitCompPutByte1(w.dst, j & 0xff);
+ }
+#endif
+ }
+ else { // プログラムカウンタ以外への代入
+
+ // 代入先が P01, P02なら ESI, EDI,それ以外ならEAXを指定
+ reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
+ jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
+ jitCompPutImm32(&w, (int)label[i].p); // ラベルのパスを各レジスタに代入
+
+ // 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。
+ if (reg0 == 0)
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32, 0); /* MOV([EBP+?], EAX); */
+
+ if (level < JITC_LV_FASTEST) {
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 8, reg0); /* MOV([EBP+?], reg0); */ /* p0 */
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, label[i].typ);
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 4, 0); /* MOV([EBP+?], EAX); */ /* typ */
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, (int)label[i].p1);
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 12, 0); /* MOV([EBP+?], EAX); */ /* p1 */
+ jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 16, 0); /* MOV([EBP+?], EAX); */ /* liveSign */
+ jitCompA0001_movReg32EbpDisp(&w, 0, 2320); /* MOV(EAX, ptrCtrl); */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 20, 0); /* MOV([EBP+?], EAX); */ /* pls */
+ }
+ }
+ break;
+
+ case 0x04: /* CND (prefix) */
+
+ /*
+ * CND命令
+ * 与えられたRxxの最下位ビットが1であれば後続の命令を実行、そうでなければ飛ばす。
+ */
+
+ 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
+
+ // 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
+ reg0 = jitCompA000_selectRegCache(src[1], -1 /* mem */);
+
+ /* TEST命令を発行 */
+ if (reg0 < 0) { //比較対象のレジスタはメモリ上にある
+ jitCompPutByte1(w.dst, 0xf7); /* TEST([EBP+?],1); */
+ jitCompA0001_85DispN(&w, src[1] * 4, 0);
+ }
+ else {
+ jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); /* TEST(reg0,1); */
+ }
+ jitCompPutImm32(&w, 1);
+
+ /* JZ命令を発行 */
+ jitCompPutByte2(w.dst, 0x74, 0x00); /* JZ($+2) */
+ cmp0reg = -1;
+ if (w.err != 0) goto err_w;
+ src += 2;
+ w.prefix = 1; // プリフィックスをセット
+ w.dst0 = w.dst;
+ goto prefix_continue;
+
+ case 0x08: /* LMEM */ /* 完成 */
+ i = jitCompGetImm32(src + 2);
+ if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_checkType(&w, src[6], i, 0); // read
+ cmp0reg = -1;
+ }
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
+ if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
+ reg1 = 0; /* EAX */
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_storeRegCacheEdx(&w);
+ if (reg1 <= 3 /* EAX, EDX */)
+ jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
+ if (level < JITC_LV_FASTER)
+ jitCompA0001_checkLimit(&w, reg1, src[6]);
+ i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
+ switch (i) {
+ case 0x0002:
+ jitCompPutByte3(w.dst, 0x0f, 0xbe, reg0 << 3 | reg1); /* MOVSX(reg0,BYTE [reg1]); */
+ break;
+ case 0x0003:
+ jitCompPutByte3(w.dst, 0x0f, 0xb6, reg0 << 3 | reg1); /* MOVZX(reg0,BYTE [reg1]); */
+ break;
+ case 0x0004:
+ jitCompPutByte3(w.dst, 0x0f, 0xbf, reg0 << 3 | reg1); /* MOVSX(reg0,WORD [reg1]); */
+ break;
+ case 0x0005:
+ jitCompPutByte3(w.dst, 0x0f, 0xb7, reg0 << 3 | reg1); /* MOVZX(reg0,WORD [reg1]); */
+ break;
+ case 0x0006:
+ case 0x0007:
+ jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
+ break;
+ default:
+ w.err = JITC_ERR_BADTYPE;
+ }
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_loadRegCacheEdx(&w);
+ break;
+
+ case 0x09: /* SMEM */ /* 完成 */
+ i = jitCompGetImm32(src + 2);
+ if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_checkType(&w, src[6], i, 1); // write
+ cmp0reg = -1;
+ }
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
+ if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
+ reg1 = 0; /* EAX */
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_storeRegCacheEdx(&w);
+ if (reg1 <= 3 /* EAX, EDX */)
+ jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
+ if (level < JITC_LV_FASTER)
+ jitCompA0001_checkLimit(&w, reg1, src[6]);
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movEaxRxx(&w, src[1]);
+ /* 値の範囲チェック */
+ i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
+ switch (i) {
+ case 0x0002:
+ case 0x0003:
+ jitCompPutByte2(w.dst, 0x88, reg0 << 3 | reg1); /* MOV([reg1], BYTE(reg0)); */
+ break;
+ case 0x0004:
+ case 0x0005:
+ jitCompPutByte3(w.dst, 0x66, 0x89, reg0 << 3 | reg1); /* MOV([reg1], WORD(reg0)); */
+ break;
+ case 0x0006:
+ case 0x0007:
+ jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
+ break;
+ default:
+ w.err = JITC_ERR_BADTYPE;
+ }
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_loadRegCacheEdx(&w);
+ break;
+
+ case 0x0a: /* PLMEM */ /* 完成 */
+ i = jitCompGetImm32(src + 2);
+ if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_checkType(&w, src[6], i, 0); // read
+ cmp0reg = -1;
+ }
+ reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
+ // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
+ // reg1 = 0; /* EAX */
+ if (reg0 == reg1 && reg0 != 0) { // bugfix: hinted by yao, 2013.09.14. thanks!
+ jitCompA000_storePRegCacheAll(&w);
+ reg1 = 2; /* EDX */
+ }
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_storeRegCacheEdx(&w);
+ if (reg1 <= 3 /* EAX, EDX */)
+ jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
+ if (level < JITC_LV_FASTER)
+ jitCompA0001_checkLimit(&w, reg1, src[6]);
+ jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0); /* MOV([EBP+?], EAX); */
+ for (i = 4; i < 32; i += 4) {
+ jitCompPutByte3(w.dst, 0x8b, 0x40 | reg1, i); /* MOV(EAX, [reg1+?]); */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ }
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_loadRegCacheEdx(&w);
+ break;
+
+ case 0x0b: /* PSMEM */ /* 完成 */
+ i = jitCompGetImm32(src + 2);
+ if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_checkType(&w, src[6], i, 1); // write
+ cmp0reg = -1;
+ }
+ reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
+ // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
+ // reg1 = 0; /* EAX */
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_storeRegCacheEdx(&w);
+ if (reg1 <= 3 /* EAX, EDX */)
+ jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
+ if (level < JITC_LV_FASTER)
+ jitCompA0001_checkLimit(&w, reg1, src[6]);
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[1] * 32 + 0); /* MOV(reg0, [EBP+?]); */
+ jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
+ for (i = 4; i < 32; i += 4) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[1] * 32 + i); /* MOV(EAX, [EBP+?]); */
+ jitCompPutByte3(w.dst, 0x89, 0x40 | reg1, i); /* MOV([reg1+?], EAX); */
+ }
+ if (reg1 == 2 /* EDX */)
+ jitCompA000_loadRegCacheEdx(&w);
+ break;
+
+ case 0x0e: /* PADD */ /* 完成 */
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 2), 2); // other, aliveテストはとりあえずしない.
+ cmp0reg = -1;
+ }
+ reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectPRegCache(src[6], -1 /* mem */);
+ if (reg1 < 0 /* mem */)
+ jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
+ if (reg1 >= 0 && reg0 != reg1) {
+ jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
+ }
+ i = jitCompGetImm32(src + 2);
+ j = -1;
+ if (i == 1)
+ j = 5; /* 32 */
+ else {
+ i = jitCompA000_convTyp(i);
+ if (0x0002 <= i && i <= 0x0007)
+ j = (i - 0x0002) >> 1;
+ }
+ if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[7] == 0x3f) {
+ j = w.r3f << j;
+#if (jitCompA0001_USE_R3F_IMM8 != 0)
+ if (-0x80 <= j && j <= 0x7f) {
+#if (jitCompA0001_USE_R3F_INCDEC != 0)
+ if (j == 1) { jitCompPutByte1(w.dst, 0x40 | reg0); goto padd1; } /* INC */
+ if (j == -1) { jitCompPutByte1(w.dst, 0x48 | reg0); goto padd1; } /* DEC */
+#endif
+ jitCompPutByte3(w.dst, 0x83, 0xc0 | reg0, j & 0xff); /* ADD(reg0, im8); */
+ goto padd1;
+ }
+#endif
+ if (reg0 == 0) {
+ jitCompPutByte1(w.dst, 0x05); /* ADD(reg0, ?); */
+ }
+ else {
+ jitCompPutByte2(w.dst, 0x81, 0xc0 | reg0); /* ADD(reg0, ?); */
+ }
+ jitCompPutImm32(&w, j);
+ goto padd1;
+ }
+#endif
+ if (src[7] >= 0x40) w.err = JITC_ERR_REGNUM;
+ if (j == 0) {
+ reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
+ if (reg1 >= 0) {
+ jitCompPutByte2(w.dst, 0x01, 0xc0 | reg1 << 3 | reg0); /* ADD(reg0, reg1); */
+ }
+ else {
+ jitCompPutByte1(w.dst, 0x03); /* ADD(reg0, [EBP+?]); */
+ jitCompA0001_85DispN(&w, src[7] * 4, reg0);
+ }
+ }
+ else {
+ reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
+ reg2 = 2; /* EDX */
+ jitCompA000_storeRegCacheEdx(&w);
+ if (reg1 < 0)
+ jitCompA0001_movReg32EbpDisp(&w, reg2, src[7] * 4); /* MOV(reg2, [EBP+?]); */
+ if (reg1 >= 0 && reg1 != reg2) {
+ jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg2); /* MOV(reg2, reg1); */
+ }
+ jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg2, j); /* SHL(reg2, ?); */
+ jitCompPutByte2(w.dst, 0x01, 0xc0 | reg2 << 3 | reg0); /* ADD(reg0, reg2); */
+ jitCompA000_loadRegCacheEdx(&w);
+ }
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ padd1:
+#endif
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, reg0); /* MOV([EBP+?], reg0); */
+ if (src[1] != src[6]) {
+ for (i = 4; i < 32; i += 4) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ }
+ }
+ cmp0reg = -1;
+ break;
+
+ case 0x0f: /* PDIF */ /* 未完成 */
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ jitCompA0001_checkCompPtr(&w, src[6], src[7]);
+ jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
+ jitCompPutByte1(w.dst, 0x2b); /* SUB(EAX, [EBP+?]); */
+ jitCompA0001_85DispN(&w, 256 + src[7] * 32 + 0, reg0);
+ i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
+ j = -1;
+ if (0x0002 <= i && i <= 0x0007)
+ j = (i - 0x0002) >> 1;
+ if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
+ if (j > 0) {
+ jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, j); /* SAR(reg0,?); */
+ }
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ cmp0reg = src[1]; cmp0lev = 1;
+ break;
+
+ case 0x10: /* OR */
+ case 0x11: /* XOR */
+ case 0x12: /* AND */
+ case 0x14: /* ADD */
+ case 0x15: /* SUB */
+ case 0x16: /* MUL */
+ if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[2] == 0x3f) { // SUBのみ該当.
+ if (*src != 0x15) w.err = JITC_ERR_REGNUM;
+ reg2 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
+ if (reg2 >= 0)
+ jitCompA000_storeRegCacheAll(&w);
+ jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
+ jitCompPutImm32(&w, w.r3f);
+ jitCompPutByte1(w.dst, 0x2b);
+ jitCompA0001_85DispN(&w, src[3] * 4, reg0);
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#endif
+ if (reg1 < 0) {
+ jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg0, [EBP+?]); */
+ }
+ if (reg1 >= 0 && reg0 != reg1) {
+ jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
+ }
+ if (!(src[0] == 0x10 && src[3] == 0xff)) { // bugfix: hinted by Iris, 2013.06.26. thanks!
+ cmp0reg = src[1];
+ cmp0lev = 1;
+ if (src[0] < 0x14)
+ cmp0lev = 2;
+ if (src[0] == 0x16)
+ cmp0reg = -1;
+ }
+ if (!(src[0] == 0x10 && src[3] == 0xff)) {
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[3] == 0x3f) {
+ if (*src == 0x16 && w.r3f == -1) {
+ jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#if (jitCompA0001_USE_R3F_INCDEC != 0)
+ if ((*src == 0x14 && w.r3f == 1) || (*src == 0x15 && w.r3f == -1)) {
+ jitCompPutByte1(w.dst, 0x40 | reg0); /* INC(reg0); */
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+ if ((*src == 0x15 && w.r3f == 1) || (*src == 0x14 && w.r3f == -1)) {
+ jitCompPutByte1(w.dst, 0x48 | reg0); /* DEC(reg0); */
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#endif
+#if (jitCompA0001_USE_R3F_IMM8 != 0)
+ if (-0x80 <= w.r3f && w.r3f <= 0x7f) {
+ if (*src != 0x16) {
+ static unsigned char basic_op_table_im8[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
+ jitCompPutByte3(w.dst, 0x83, basic_op_table_im8[*src - 0x10] | reg0, w.r3f & 0xff);
+ }
+ else {
+ jitCompPutByte3(w.dst, 0x6b, 0xc0 | reg0 << 3 | reg0, w.r3f & 0xff);
+ }
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#endif
+ if (reg0 == 0 /* EAX */) {
+ static unsigned char basic_op_table_im32_eax[] = { 0x0d, 0x35, 0x25, 0, 0x05, 0x2d, 0xc0 };
+ if (*src == 0x16) { jitCompPutByte1(w.dst, 0x69); }
+ jitCompPutByte1(w.dst, basic_op_table_im32_eax[*src - 0x10]);
+ }
+ else {
+ if (*src != 0x16) {
+ static unsigned char basic_op_table_im32_reg[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
+ jitCompPutByte2(w.dst, 0x81, basic_op_table_im32_reg[*src - 0x10] | reg0);
+ }
+ else {
+ jitCompPutByte2(w.dst, 0x69, 0xc0 | reg0 << 3 | reg0);
+ }
+ }
+ jitCompPutImm32(&w, w.r3f);
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+ }
+#endif
+ reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
+ if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
+ if (*src != 0x16) {
+ if (reg1 >= 0) {
+ static unsigned char basic_op_table_rr[] = { 0x09, 0x31, 0x21, 0, 0x01, 0x29 }; /* op(reg,reg); */
+ jitCompPutByte2(w.dst, basic_op_table_rr[*src - 0x10], 0xc0 | reg1 << 3 | reg0);
+ }
+ else {
+ static unsigned char basic_op_table_rm[] = { 0x0b, 0x33, 0x23, 0, 0x03, 0x2b, 0xaf }; /* op(reg,mem); */
+ jitCompPutByte1(w.dst, basic_op_table_rm[*src - 0x10]);
+ jitCompA0001_85DispN(&w, src[3] * 4, reg0);
+ }
+ }
+ else {
+ if (reg1 >= 0) {
+ jitCompPutByte3(w.dst, 0x0f, 0xaf, 0xc0 | reg0 << 3 | reg1);
+ }
+ else {
+ jitCompPutByte2(w.dst, 0x0f, 0xaf);
+ jitCompA0001_85DispN(&w, src[3] * 4, reg0);
+ }
+ }
+ }
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ break;
+
+ case 0x18: /* SHL */
+ case 0x19: /* SAR */
+ if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
+ if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[3] == 0x3f) {
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
+ if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
+ if (reg1 == -1)
+ jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg1, [EBP+?]); */
+ else {
+ if (reg0 != reg1) {
+ jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
+ }
+ }
+ if (*src == 0x18) { jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg0, w.r3f); } /* SHL(reg0, im8); */
+ if (*src == 0x19) { jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, w.r3f); } /* SAR(reg0, im8); */
+ if (reg0 == 0 /* EAX */)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ cmp0reg = src[1];
+ cmp0lev = 1;
+ break;
+ }
+#endif
+ jitCompA000_storeRegCacheAll(&w); // 手抜き.
+ jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[2] == 0x3f) {
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, w.r3f);
+ }
+ else {
+ jitCompA0001_movEaxRxx(&w, src[2]);
+ }
+#else
+ jitCompA0001_movEaxRxx(&w, src[2]);
+#endif
+ if (*src == 0x18) { jitCompPutByte2(w.dst, 0xd3, 0xe0); } /* SHL(EAX, CL); */
+ if (*src == 0x19) { jitCompPutByte2(w.dst, 0xd3, 0xf8); } /* SAR(EAX, CL); */
+ jitCompA0001_movRxxEax(&w, src[1]);
+ jitCompA000_loadRegCacheAll(&w); // 手抜き.
+ cmp0reg = src[1];
+ cmp0lev = 1;
+ break;
+
+ case 0x1a: /* DIV */
+ case 0x1b: /* MOD */
+ if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
+ if (src[2] >= 0x40) w.err = JITC_ERR_REGNUM;
+ if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
+ jitCompA000_storeRegCacheAll(&w); // 手抜き.
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[3] == 0x3f) {
+ jitCompPutByte1(w.dst, 0xb8 | 1); /* MOV(ECX, ?); */
+ jitCompPutImm32(&w, w.r3f);
+ }
+ else {
+ jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
+ }
+ if (src[2] == 0x3f) {
+ jitCompPutByte1(w.dst, 0xb8 | 0); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, w.r3f);
+ }
+ else {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
+ }
+#else
+ jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
+#endif
+ jitCompPutByte1(w.dst, 0x99); /* CDQ(); */
+ /* ECXがゼロではないことを確認すべき */
+ jitCompPutByte2(w.dst, 0xf7, 0xf9); /* IDIV(ECX); */
+ if (*src == 0x1a) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 0 /* EAX */); }
+ if (*src == 0x1b) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 2 /* EDX */); }
+ jitCompA000_loadRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+
+ case 0x1c: /* PLMT0 */
+ case 0x1d: /* PLMT1 */
+ if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
+ if (level < JITC_LV_FASTEST) {
+ cmp0reg = -1;
+ if (level < JITC_LV_FASTER) {
+ // typ が一致していることを確認.
+ // plsとliveSignが一致していることを確認.
+
+ // preg1はp0 <= p <= p1 を満たしているか？.
+ // 新しいp0/p1は古いp0〜p1に適合しているか？.
+
+ }
+ }
+
+ case 0x1e: /* PCP */ /* 未完成(p1まで完成) */
+ if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
+ if (src[2] == 0x3f) w.err = JITC_ERR_PREGNUM;
+ if (src[1] != 0x3f) {
+ /* src[2] == 0xff の場合に対応できてない */
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ for (i = 0; i < 32; i += 4) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + i); /* MOV(EAX, [EBP+?]); */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ }
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ }
+ else {
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */
+ jitCompPutByte3(w.dst, 0x83, 0xf8, 0); /* CMP(EAX, 0); */
+ jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
+ jitCompPutImm32(&w, errfnc - (w.dst + 4));
+ /* セキュリティチェックが足りてない!(aliveとか) */
+ }
+ reg0 = 0; /* EAX */
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
+ if (level < JITC_LV_FASTER) {
+ jitCompPutByte1(w.dst, 0x3b); /* CMP(reg0, [EBP+?]); */
+ jitCompA0001_85DispN(&w, 256 + src[2] * 32 + 8, reg0); /* p0 */
+ jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
+ jitCompPutImm32(&w, errfnc - (w.dst + 4));
+ }
+ jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
+ }
+ break;
+
+ case 0x1f: /* PCST */
+ if (jitCompGetImm32(src + 2) == 0) {
+ if (level < JITC_LV_FASTER)
+ jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 7), 2);
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ for (i = 0; i < 32 - 4; i += 4) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
+ if (i == 4) {
+ jitCompPutByte1(w.dst, 0x0d); /* OR(EAX, ?); */
+ jitCompPutImm32(&w, 0x80000000);
+ }
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ }
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, debugInfo1);
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 28, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+ }
+ if (jitCompGetImm32(src + 7) == 0) {
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ for (i = 0; i < 32 - 4; i += 4) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
+ if (i == 4) {
+ jitCompPutByte1(w.dst, 0x25); /* AND(EAX, ?); */
+ jitCompPutImm32(&w, 0x7fffffff);
+ }
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
+ }
+ if (level < JITC_LV_FASTER) {
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + 28); /* MOV(EAX, [EBP+?]); */
+ jitCompPutByte1(w.dst, 0x3d); /* CMP(EAX, ?); */
+ jitCompPutImm32(&w, debugInfo1);
+ jitCompPutByte2(w.dst, 0x74, 8); /* JE */
+ jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); (2) */
+ jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0 /* EAX */); /* MOV([EBP+?], EAX); (1+1+4) */
+ }
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+ }
+ w.err = JITC_ERR_OPECODE;
+ goto err_w;
+
+ case 0x20: /* CMPE */
+ case 0x21: /* CMPNE */
+ case 0x22: /* CMPL */
+ case 0x23: /* CMPGE */
+ case 0x24: /* CMPLE */
+ case 0x25: /* CMPG */
+ case 0x26: /* TSTZ */
+ case 0x27: /* TSTNZ */
+ reg0 = jitCompA000_selectRegCache(src[2], 0 /* EAX */);
+ reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
+ if (src[1] == 0x3f) {
+ /* 特殊構文チェック */
+ if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
+ if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
+ w.err = JITC_ERR_IDIOM; goto err_w;
+ }
+ }
+ if (reg0 == 0)
+ jitCompA0001_movEaxRxx(&w, src[2]);
+#if (jitCompA0001_USE_R3F_IMM32 != 0)
+ if (src[3] == 0x3f) {
+#if (jitCompA0001_OPTIMIZE_CMP != 0)
+ if ((*src <= 0x25 && w.r3f == 0) || (*src >= 0x26 && w.r3f == -1)) {
+ i = 0;
+ if (cmp0reg == src[2]) {
+ if (cmp0lev >= 1 && (src[0] == 0x20 || src[0] == 0x21 || src[0] == 0x26 || src[0] == 0x27))
+ i = 1;
+ if (cmp0lev >= 2 && (src[0] == 0x22 || src[0] == 0x23 || src[0] == 0x24 || src[0] == 0x25))
+ i = 1;
+ }
+ if (i == 0) {
+ jitCompPutByte2(w.dst, 0x85, 0xc0 | reg0 << 3 | reg0); /* TEST(reg0, reg0); */
+ }
+ cmp0reg = src[2];
+ cmp0lev = 2;
+ goto cmpcc1;
+ }
+#endif
+#if (jitCompA0001_USE_R3F_IMM8 != 0)
+ if (-0x80 <= w.r3f && w.r3f <= 0x7f && *src <= 0x25) {
+ jitCompPutByte3(w.dst, 0x83, 0xf8 | reg0, w.r3f);
+ goto cmpcc1;
+ }
+#endif
+ if (reg0 == 0) {
+ if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3d); }
+ if (*src >= 0x26) { jitCompPutByte1(w.dst, 0xa9); }
+ }
+ else {
+ if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x81, 0xf8 | reg0); }
+ if (*src >= 0x26) { jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); }
+ }
+ jitCompPutImm32(&w, w.r3f);
+ goto cmpcc1;
+ }
+#endif
+ if (src[3] >= 0x40) w.err = JITC_ERR_PREGNUM;
+ if (reg1 >= 0) {
+ if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x39, 0xc0 | reg1 << 3 | reg0); }
+ if (*src >= 0x26) { jitCompPutByte2(w.dst, 0x85, 0xc0 | reg1 << 3 | reg0); }
+ }
+ else {
+ if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3b); }
+ if (*src >= 0x26) { jitCompPutByte1(w.dst, 0x85); }
+ jitCompA0001_85DispN(&w, src[3] * 4, reg0);
+ }
+ cmpcc1:
+ if (w.err != 0) goto err_w;
+ static unsigned char cmpcc_table0[] = {
+ 0x04, 0x05, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, /* CMPcc, TSTcc */
+ 0x04, 0x05, 0x02, 0x03, 0x06, 0x07 /* PCMPcc */
+ };
+#if (jitCompA0001_USE_R3F_CMPJMP != 0)
+ if (src[1] == 0x3f) {
+ /* 特殊構文を利用した最適化 */
+ jitCompPutByte2(w.dst, 0x0f, 0x80 | cmpcc_table0[*src - 0x20]);
+ src += 6;
+ i = jitCompGetLabelNum(&w, src + 2);
+ if ((flags & JITC_PHASE1) != 0 && w.err != 0) {
+ if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
+ // if (label[i].typ != 1) { w.err = JITC_ERR_LABELTYP; goto err_w; }
+ }
+ j = 0;
+ if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0))
+ j = label[i].p - (w.dst + 4);
+ jitCompPutImm32(&w, j);
+#if (jitCompA0001_OPTIMIZE_JMP != 0)
+ if (-128 - 4 <= j && j < 0) {
+ j += 4;
+ w.dst -= 6;
+ jitCompPutByte2(w.dst, w.dst[1] ^ 0xf0, j & 0xff);
+ }
+#endif
+ src += 6;
+ if (w.err != 0) goto err_w;
+ continue;
+ }
+#endif
+ /* 一般的なJITC */
+ reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
+ jitCompPutByte3(w.dst, 0x0f, 0x90 | cmpcc_table0[*src - 0x20], 0xc0 | reg0); /* SETcc(BYTE(reg0)); */
+ jitCompPutByte3(w.dst, 0x0f, 0xb6, 0xc0 | reg0 << 3 | reg0); /* MOVZX(reg0, BYTE(reg0)); */
+ jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
+ if (reg0 == 0)
+ jitCompA0001_movRxxEax(&w, src[1]);
+ cmp0reg = src[2];
+ cmp0lev = 1;
+ break;
+
+ case 0x28: /* PCMPE */
+ case 0x29: /* PCMPNE */
+ case 0x2a: /* PCMPL */
+ case 0x2b: /* PCMPGE */
+ case 0x2c: /* PCMPLE */
+ case 0x2d: /* PCMPG */
+ if (src[1] == 0x3f) {
+ /* 特殊構文チェック */
+ if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
+ if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
+ w.err = JITC_ERR_IDIOM; goto err_w;
+ }
+ }
+ if (src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ if (src[3] != 0xff)
+ jitCompA0001_checkCompPtr(&w, src[2], src[3]);
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
+ if (src[3] != 0xff) {
+ jitCompPutByte1(w.dst, 0x3b); /* CMP(EAX, [EBP+?]); */
+ jitCompA0001_85DispN(&w, 256 + src[3] * 32 + 0, 0);
+ }
+ else {
+ /* 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 */
+ jitCompPutByte3(w.dst, 0x83, 0xf8, 0x00); /* CMP(EAX, 0); */
+ }
+ cmp0reg = -1;
+ goto cmpcc1;
+
+ case 0x30: /* talloc(old:F4) */
+ case 0x31: /* tfree(old:F5) */
+ case 0x32: /* malloc(old:F6) */
+ case 0x33: /* mfree(old:F7) */
+ jitCompA000_storeRegCacheAll(&w); // 手抜き.
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
+ jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
+ jitCompPutByte1(w.dst, 0xe8);
+ if (*src == 0x30) j = ((unsigned char *)&funcf4) - (w.dst + 4);
+ if (*src == 0x31) j = ((unsigned char *)&funcf5) - (w.dst + 4);
+ if (*src == 0x32) j = ((unsigned char *)&funcf6) - (w.dst + 4);
+ if (*src == 0x33) j = ((unsigned char *)&funcf7) - (w.dst + 4);
+ jitCompPutImm32(&w, j);
+ jitCompPutByte3(w.dst, 0x83, 0xc4, 0x10); /* ADD(ESP,16); */
+ jitCompA000_loadRegCacheAll(&w); // 手抜き.
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+
+ case 0x34: /* data (暫定) */
+ cmp0reg = -1;
+ if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
+ int k = jitCompGetImm32(&src[1]), tmpData, bitCount, dataWidth = jitCompA000_dataWidth(k);
+ if (lastlabel >= 0 && label[lastlabel].typ == 0)
+ label[lastlabel].typ = k;
+ if (k != 1) {
+ i = jitCompA000_convTyp(k);
+ if (i < 2 || i > 7) { w.err = JITC_ERR_BADTYPE; goto err_w; }
+ }
+ j = jitCompGetImm32(&src[5]);
+ oldsrc = src;
+ src += 9;
+ if (k != 1) {
+ bitCount = 7;
+ while (j > 0) {
+ if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
+ if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
+ tmpData = 0;
+ for (k = 0; k < dataWidth; k++) {
+ tmpData = tmpData << 1 | ((*src >> bitCount) & 1);
+ bitCount--;
+ if (bitCount < 0) {
+ bitCount = 7;
+ src++;
+ }
+ }
+ if ((i & 1) == 0 && dataWidth <= 31 && (tmpData >> (dataWidth - 1)) != 0) {
+ tmpData -= 1 << dataWidth;
+ }
+ if (i == 2 || i == 3) { jitCompPutByte1(w.dst, tmpData & 0xff); }
+ if (i == 4 || i == 5) { jitCompPutByte2(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff); }
+ if (i == 6 || i == 7) { jitCompPutByte4(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff, (tmpData >> 16) & 0xff, (tmpData >> 24) & 0xff); }
+ j--;
+ }
+ }
+ else {
+ while (j > 0) {
+ if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
+ if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
+ i = jitCompGetImm32(src);
+ src += 4;
+ if ((flags & JITC_PHASE1) != 0 && w.err == 0) {
+ if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
+ }
+ jitCompPutImm32(&w, (int)label[i].p);
+ jitCompPutImm32(&w, label[i].typ);
+ jitCompPutImm32(&w, (int)label[i].p);
+ jitCompPutImm32(&w, (int)label[i].p1);
+ jitCompPutImm32(&w, 0); /* liveSign */
+ jitCompPutImm32(&w, 2320); /* pls */
+ jitCompPutImm32(&w, 0);
+ jitCompPutImm32(&w, 0);
+ j--;
+ }
+ }
+ if (lastlabel >= 0 && label[lastlabel].p1 < w.dst)
+ label[lastlabel].p1 = w.dst;
+ continue;
+
+ case 0x3c: /* ENTER */
+ jitCompA000_storeRegCacheAll(&w); // 手抜き.
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
+ jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
+ jitCompPutByte1(w.dst, 0xe8);
+ j = ((unsigned char *)&func3c) - (w.dst + 4);
+ jitCompPutImm32(&w, j);
+ jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
+ jitCompA000_loadRegCacheAll(&w); // 手抜き.
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+
+ case 0x3d: /* LEAVE */
+ jitCompA000_storeRegCacheAll(&w); // 手抜き.
+ jitCompA000_storePRegCacheAll(&w); // 手抜き.
+ jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
+ jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
+ jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
+ jitCompPutByte1(w.dst, 0xe8);
+ j = ((unsigned char *)&func3d) - (w.dst + 4);
+ jitCompPutImm32(&w, j);
+ jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
+ jitCompA000_loadRegCacheAll(&w); // 手抜き.
+ jitCompA000_loadPRegCacheAll(&w); // 手抜き.
+ cmp0reg = -1;
+ break;
+
+ case 0xfe: /* remark */
+ if (src[1] == 0x01 && src[2] == 0x00) { // DBGINFO1
+ if (level <= JITC_LV_SLOWER) {
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, debugInfo1);
+ jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
+ }
+ }
+ if (src[1] == 0x01 && src[2] == 0x03) { // DBGINFO1CLR
+ if (level <= JITC_LV_SLOWER) {
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, -1);
+ jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
+ }
+ }
+ if (src[1] == 0x05 && src[2] == 0x00) { // DBGINFO0
+ if (level <= JITC_LV_SLOWEST) {
+ debugInfo0 = jitCompGetImm32(src + 3);
+ // jitCompPutByte1(w.dst, 0xbf); /* MOV(EDI, ?); */
+ // jitCompPutImm32(&w, debugInfo0);
+ jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
+ jitCompPutImm32(&w, debugInfo0);
+ jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
+ }
+ }
+ break;
+
+ default:
+ w.err = JITC_ERR_OPECODE;
+ goto err_w;
+ }
+ if (w.err != 0) goto err_w;
+ jitCompA0001_fixPrefix(&w);
+ if (w.err != 0) goto err_w;
+ src += jitCompCmdLen(src);
+ }
+ if (enter0 != NULL) {
+ j = w.dst - (enter0 + 4);
+ enter0[0] = j & 0xff;
+ enter0[1] = (j >> 8) & 0xff;
+ enter0[2] = (j >> 16) & 0xff;
+ enter0[3] = (j >> 24) & 0xff;
+ }
+ if ((flags & JITC_NOSTARTUP) == 0) {
+ jitCompA000_storeRegCacheAll(&w);
+ jitCompA000_storePRegCacheAll(&w);
+ jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
+ }
+ if ((flags & JITC_PHASE1) != 0)
+ return w.dst - dst00;
+ return 0;
+
+err_w:
+ if ((w.err & JITC_ERR_PHASE0ONLY) != 0) {
+ if ((flags & JITC_PHASE1) == 0)
+ w.err &= ~JITC_ERR_PHASE0ONLY;
+ }
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_REGNUM)) errmsg = "reg-number error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_DST1)) errmsg = "dst1 error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_OPECODE)) errmsg = "opecode error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNUM)) errmsg = "label number too large";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELREDEF)) errmsg = "label redefine";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIX)) { errmsg = "prefix redefine"; w.dst -= 2; }
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNODEF)) errmsg = "label not defined";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELTYP)) errmsg = "label type error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_IDIOM)) errmsg = "idiom error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_PREGNUM)) errmsg = "preg-number error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_SRC1)) errmsg = "src1 error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_BADTYPE)) errmsg = "bad type code";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIXFAR)) errmsg = "prefix internal error";
+ if (w.err == (JITC_ERR_MASK & JITC_ERR_INTERNAL)) errmsg = "general internal error";
+ if (*errmsg != '\0') {
+ fprintf(stderr, "JITC: %s at %06X (debugInfo0=%d)\n ", errmsg, src - src0, debugInfo0);
+ for (i = 0; i < 16; i++)
+ fprintf(stderr, "%02X ", src[i]);
+ static char *table[0x30] = {
+ "NOP", "LB", "LIMM", "PLIMM", "CND", "??", "??", "??",
+ "LMEM", "SMEM", "PLMEM", "PSMEM", "LEA", "??", "PADD", "PDIF",
+ "CP/OR", "XOR", "AND", "??", "ADD", "SUB", "MUL", "??",
+ "SHL", "SAR", "DIV", "MOD", "PLMT0", "PLMT1", "PCP", "PCST",
+ "CMPE", "CMPNE", "CMPL", "CMPGE", "CMPLE", "CMPG", "TSTZ", "TSTNZ",
+ "PCMPE", "PCMPNE", "PCMPL", "PCMPGE", "PCMPLE", "PCMPG", "??", "EXT" };
+ errmsg = "??";
+ if (*src < 0x30) errmsg = table[*src];
+ fprintf(stderr, "(%s)\n", errmsg);
+ }
+ return -1;
+}
+
+unsigned char *jitCompCallFunc(unsigned char *dst, void *func)
+{
+ struct JitCompWork w;
+ w.dst = dst;
+ jitCompA000_storeRegCacheAll(&w);
+ jitCompA000_storePRegCacheAll(&w);
+ jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
+ 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） */
+ jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
+ jitCompPutByte1(w.dst, 0xe8); /* CALL(func); */
+ int j = ((unsigned char *)func) - (w.dst + 4);
+
+ //この関数の中では結局w->dstしか参照していない
+ jitCompPutImm32(&w, j);
+
+ jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */ /* （win32では不要なのだけど、MacOSには必要らしい） */
+ jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */
+ jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
+ jitCompA000_loadRegCacheAll(&w);
+ jitCompA000_loadPRegCacheAll(&w);
+ jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + 0x30 * 32 + 0); /* MOV(EAX, [EBP+?]); */
+ jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
+ return w.dst;
+}
+
+unsigned char *jitCompInit(unsigned char *dst)
+{
+ errfnc = dst;
+ return jitCompCallFunc(dst, &errHndl);
+}
+
+void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
+{
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ int i, *pi;
+ HOSECPU_PointerRegisterEntry *pp;
+ if (r->junkStack + 2048 > r->junkStack1) (*(r->errHndl))(r);
+ pi = (void *)r->junkStack; r->junkStack += r1 * 4;
+ for (i = 0; i < r1; i++)
+ pi[i] = r->ireg[i];
+ pp = (void *)r->junkStack; r->junkStack += p1 * 32;
+ for (i = 0; i < p1; i++)
+ pp[i] = r->preg[i];
+ pp = (void *)r->junkStack; r->junkStack += 32;
+ *pp = r->preg[0x30];
+ pi = (void *)r->junkStack; r->junkStack += 4;
+ *pi = opt << 16 | r1 << 8 | p1;
+ for (i = 0; i < lenR; i++)
+ r->ireg[r0 + i] = r->ireg[0x30 + i];
+ for (i = 0; i < lenP; i++)
+ r->preg[p0 + i] = r->preg[0x31 + i];
+ return;
+}
+
+void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
+{
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ int i;
+ r->junkStack -= 4;
+ r->junkStack -= 32;
+ HOSECPU_PointerRegisterEntry *pp = (void *)r->junkStack;
+ r->preg[0x30] = *pp;
+ r->junkStack -= p1 * 32; pp = (void *)r->junkStack;
+ for (i = 0; i < p1; i++)
+ r->preg[i] = pp[i];
+ r->junkStack -= r1 * 4; int *pi = (void *)r->junkStack;
+ for (i = 0; i < r1; i++)
+ r->ireg[i] = pi[i];
+ return;
+}
+
+void funcf4(char *ebp, int pxx, int typ, int len)
+{
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
+ if (width < 0 || r->ireg[len] < 0)
+ (*(r->errHndl))(r);
+ void *p = r->junkStack;
+ if (r->junkStack + width * r->ireg[len] + 256 > r->junkStack1) (*(r->errHndl))(r);
+ r->junkStack += width * r->ireg[len];
+ r->preg[pxx].p = p;
+ r->preg[pxx].typ = r->ireg[typ];
+ r->preg[pxx].p0 = p;
+ r->preg[pxx].p1 = (void *)r->junkStack;
+ int *pi = (int *)r->junkStack;
+ *pi = width * r->ireg[len];
+ r->junkStack += sizeof (int);
+ if (r->ireg[typ] == 1) {
+ int i, i1 = (width * r->ireg[len]) >> 2;
+ pi = p;
+ for (i = 0; i < i1; i++)
+ pi[i] = 0;
+ }
+ return;
+}
+
+void funcf5(char *ebp, int pxx, int typ, int len)
+{
+ // pxxはダミーで参照されない
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ r->junkStack -= sizeof (int);
+ int *pi = (int *)r->junkStack;
+ r->junkStack -= *pi;
+#if 0
+ int width = jitCompA000_dataWidth(r->ireg[typ]);
+ void *p = r->junkStack;
+ r->junkStack -= width * r->ireg[len];
+#endif
+ return;
+}
+
+void funcf6(char *ebp, int pxx, int typ, int len)
+{
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
+ if (width < 0 || r->ireg[len] < 0)
+ (*(r->errHndl))(r);
+ void *p = malloc(width * r->ireg[len]);
+ r->preg[pxx].p = p;
+ r->preg[pxx].typ = r->ireg[typ];
+ r->preg[pxx].p0 = p;
+ r->preg[pxx].p1 = (unsigned char *)p + width * r->ireg[len];
+ if (r->ireg[typ] == 1) {
+ int i, i1 = (width * r->ireg[len]) >> 2, *pi;
+ pi = p;
+ for (i = 0; i < i1; i++)
+ pi[i] = 0;
+ for (i = 1; i < i1; i += 8)
+ pi[i] |= -1;
+ }
+ return;
+}
+
+void funcf7(char *ebp, int pxx, int typ, int len)
+{
+ // typとlenはダミーで参照されない
+ HOSECPU_RuntimeEnvironment *r = (HOSECPU_RuntimeEnvironment *) (ebp - jitCompA0001_EBP128);
+ free(r->preg[pxx].p);
+ return;
+}
+
+void errHndl(HOSECPU_RuntimeEnvironment *r)
+{
+ r = (HOSECPU_RuntimeEnvironment *) (((char *)r) - jitCompA0001_EBP128);
+ (*(r->errHndl))(r);
+ // ここに帰ってきてはいけない.
+}
+
+/*
+ * 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
+ *
+ * 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)
+ * q1 : 出力バイナリの書き込み位置のアドレスの最大値
+ * 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)
+ * p1 : (*.ose)バイナリの読み込み位置の取りうる最大値
+ * (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)
+ * ret=1 : ヘッダのエラー
+ * ret=2 : jitコンパイルエラー
+ */
+int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, HOSECPU_LabelListTag *label)
+{
+ unsigned char *q = *qq;
+ if (p0[0] != 0x05 || p0[1] != SIGN1) // OSECPUのヘッダ (05E1) を確認
+ return 1;
+
+ *q++ = 0x55; /* PUSH(EBP); */
+ *q++ = 0x8b; *q++ = 0x6c; *q++ = 0x24; *q++ = 0x08; /* MOV(EBP,[ESP+8]); */
+
+ int i;
+ for (i = 0; i < JITC_MAXLABELS; i++)
+ label[i].opt = 0;
+
+ // 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?
+ i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, 0);
+ if (i != 0) return 2;
+ i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, JITC_PHASE1 + 0);
+ if (i < 0) return 2;
+ q += i;
+
+ *q++ = 0x5d; /* POP(EBP); */
+ *q++ = 0xc3; /* RET(); */
+
+ *qq = q;
+ return 0;
+}
+
+#if (USE_DEBUGGER != 0)
+
+int dbgrGetRegNum(const char *p)
+{
+ int i, j, r = -1;
+ if (p[2] <= ' ') {
+ i = p[0] - '0';
+ j = p[1] - '0';
+ if (i > 9) i -= 'A' - '0' - 10;
+ if (j > 9) j -= 'A' - '0' - 10;
+ if (0 <= i && i <= 15 && 0 <= j && j <= 15)
+ r = i << 4 | j;
+ }
+ return r;
+}
+
+void dbgrMain(HOSECPU_RuntimeEnvironment *r)
+{
+ if (r->dbgr == 0) return;
+ for (;;) {
+ char cmd[64], *p;
+ int i, j, k;
+ printf("\ndbgr>");
+ p = fgets(cmd, 64, stdin);
+ if (p == NULL) break;
+ if (cmd[0] == '\0') continue;
+ if (cmd[0] == 'q' && cmd[1] <= ' ') break;
+ if (cmd[0] == 'p' && cmd[1] <= ' ' && cmd[1] != '\0') {
+ p = &cmd[2];
+ while (*p <= ' ' && *p != '\0') p++;
+ if (*p == 'R') {
+ i = dbgrGetRegNum(p + 1);
+ if (0 <= i && i <= 0x3f) {
+ printf("R%02X = 0x%08X = %d\n", i, r->ireg[i], r->ireg[i]);
+ }
+ else
+ puts("register name error");
+ continue;
+ }
+ if (*p == 'P') {
+ i = dbgrGetRegNum(p + 1);
+ if (0 <= i && i <= 0x3f) {
+ p = "invalid";
+ if (0 <= r->preg[i].typ && r->preg[i].typ <= 0x15) {
+ static char *typName[] = {
+ "T_CODE", "T_VPTR", "T_SINT8", "T_UINT8",
+ "T_SINT16", "T_UINT16", "T_SINT32", "T_UINT32",
+ "T_SINT4", "T_UINT4", "T_SINT2", "T_UINT2",
+ "T_SINT1", "T_UINT1", "T_SINT12", "T_UINT12",
+ "T_SINT20", "T_UINT20", "T_SINT24", "T_UINT24",
+ "T_SINT28", "T_UINT28"
+ };
+ p = typName[r->preg[i].typ];
+ }
+ printf("P%02X:\n type = %s(%04X), (origin-ptr) = 0x%08X\n", i, p, r->preg[i].typ, (unsigned int)(r->preg[i].p0));
+ if (r->preg[i].p != NULL && r->preg[i].p0 != NULL) {
+ j = jitCompA000_dataWidth(jitCompA000_convTyp(r->preg[i].typ)) >> 3;
+ if (j <= 0) j = 1;
+ k = (r->preg[i].p1 - r->preg[i].p0) / j;
+ printf(" size = 0x%08X = %d\n", k, k);
+ k = (r->preg[i].p - r->preg[i].p0) / j;
+ printf(" pos = 0x%08X = %d\n", k, k);
+ }
+ else {
+ puts(" null pointer");
+ }
+ }
+ else
+ puts("register name error");
+ continue;
+ }
+ }
+ puts("command error");
+ }
+ return;
+}
+
+#endif
+
+
#endif
\ No newline at end of file
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