2 #ifndef HeavyOSECPU_jitc_h
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3 #define HeavyOSECPU_jitc_h
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6 #define JITC_ERR_MASK 255
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7 #define JITC_ERR_PHASE0ONLY 256
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8 #define JITC_ERR_REGNUM (1 | JITC_ERR_PHASE0ONLY)
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9 #define JITC_ERR_DST1 (2 | JITC_ERR_PHASE0ONLY)
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10 #define JITC_ERR_OPECODE (3 | JITC_ERR_PHASE0ONLY)
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11 #define JITC_ERR_LABELNUM (4 | JITC_ERR_PHASE0ONLY)
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12 #define JITC_ERR_LABELREDEF (5 | JITC_ERR_PHASE0ONLY)
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13 #define JITC_ERR_PREFIX (6 | JITC_ERR_PHASE0ONLY)
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14 #define JITC_ERR_LABELNODEF 7
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15 #define JITC_ERR_LABELTYP 8
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16 #define JITC_ERR_IDIOM 9
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17 #define JITC_ERR_PREGNUM (10 | JITC_ERR_PHASE0ONLY)
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18 #define JITC_ERR_SRC1 (11 | JITC_ERR_PHASE0ONLY)
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19 #define JITC_ERR_BADTYPE (12 | JITC_ERR_PHASE0ONLY)
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20 #define JITC_ERR_PREFIXFAR (13 | JITC_ERR_PHASE0ONLY)
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21 #define JITC_ERR_INTERNAL 99
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24 #define jitCompPutByte1(p, c0) *p++ = c0
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25 #define jitCompPutByte2(p, c0, c1) *p++ = c0; *p++ = c1
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26 #define jitCompPutByte3(p, c0, c1, c2) *p++ = c0; *p++ = c1; *p++ = c2
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27 #define jitCompPutByte4(p, c0, c1, c2, c3) *p++ = c0; *p++ = c1; *p++ = c2; *p++ = c3
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30 // functions (jitc internal)
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34 void errorHandler(HOSECPU_RuntimeEnvironment *r);
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35 int jitCompCmdLen(const unsigned char *src);
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38 #if (JITC_ARCNUM == 0x0001)
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42 #define IA32_REG0_EAX 0
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43 #define IA32_REG1_ECX 1
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44 #define IA32_REG2_EDX 2
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45 #define IA32_REG3_EBX 3
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46 #define IA32_REG4_ESP 4
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47 #define IA32_REG5_EBP 5
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48 #define IA32_REG6_ESI 6
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49 #define IA32_REG7_EDI 7
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51 #define envOffset_DBGINFO0 (2304 + 0)
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52 #define envOffset_DBGINFO1 (2304 + 4)
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54 #define jitCompPutImm32(p, i) jitCompPutByte4(p, ((i) & 0xff), (((i) >> 8) & 0xff), (((i) >> 16) & 0xff), (((i) >> 24) & 0xff))
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55 #define jitCompPutOp_PUSHAD(p) jitCompPutByte1(p, 0x60);
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56 #define jitCompPutOp_POPAD(p) jitCompPutByte1(p, 0x61);
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57 #define jitCompPutOp_PUSH_GReg(p, reg) jitCompPutByte1(p, 0x50 | (reg));
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58 #define jitCompPutOp_POP_GReg(p, reg) jitCompPutByte1(p, 0x58 | (reg));
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59 #define jitCompPutOp_CALL_Relative(p, diff) jitCompPutByte1(w.dst, 0xe8); jitCompPutImm32(&w, j);
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62 // Optimization settings
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64 // 以下の定数は最適化のためのものなので、すべて0として簡単に移植しても問題ありません
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65 #define jitCompA0001_USE_R3F_CMPJMP 1*1
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66 #define jitCompA0001_USE_R3F_IMM32 1*1
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67 #define jitCompA0001_USE_R3F_IMM8 1*1
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68 #define jitCompA0001_USE_R3F_INCDEC 1*1
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69 #define jitCompA0001_OPTIMIZE_JMP 1*1
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70 #define jitCompA0001_OPTIMIZE_MOV 1*1 /* 1にすると速度低下する？ */
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71 #define jitCompA0001_OPTIMIZE_CMP 1*1
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72 #define jitCompA0001_OPTIMIZE_ALIGN 4*1 /* 0-8を想定 */
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73 #define jitCompA0001_EBP128 128*1
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75 struct JitCompWork {
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76 unsigned char *dst, *dst0;
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78 #if (jitCompA0001_USE_R3F_IMM32 != 0)
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81 char prefix; //CND命令の値を記録(初期値=0)
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84 int jitCompGetImm32(const unsigned char *src);
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85 int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src);
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86 void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n);
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87 void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32);
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88 void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp);
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89 void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx);
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90 void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx);
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91 void jitCompA0001_fixPrefix(struct JitCompWork *w);
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92 void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1);
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93 void jitCompA000_loadRegCacheAll(struct JitCompWork *w);
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94 void jitCompA000_storeRegCacheAll(struct JitCompWork *w);
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95 void jitCompA000_loadRegCacheEcx(struct JitCompWork *w);
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96 void jitCompA000_storeRegCacheEcx(struct JitCompWork *w);
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97 void jitCompA000_loadRegCacheEdx(struct JitCompWork *w);
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98 void jitCompA000_storeRegCacheEdx(struct JitCompWork *w);
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99 int jitCompA000_selectRegCache(int rxx, int reg);
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100 void jitCompA000_loadPRegCacheAll(struct JitCompWork *w);
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101 void jitCompA000_storePRegCacheAll(struct JitCompWork *w);
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102 int jitCompA000_selectPRegCache(int pxx, int reg);
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103 int jitCompA000_convTyp(int t);
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104 int jitCompA000_dataWidth(int t);
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105 void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac);
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106 void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac);
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107 void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx);
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108 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);
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109 unsigned char *jitCompCallFunc(unsigned char *dst, void *func);
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110 unsigned char *jitCompInit(unsigned char *dst);
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111 void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
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112 void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
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113 void funcf4(char *ebp, int pxx, int typ, int len);
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114 void funcf5(char *ebp, int pxx, int typ, int len);
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115 void funcf6(char *ebp, int pxx, int typ, int len);
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116 void funcf7(char *ebp, int pxx, int typ, int len);
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117 void errHndl(HOSECPU_RuntimeEnvironment *r);
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118 int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, HOSECPU_LabelListTag *label);
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119 #if (USE_DEBUGGER != 0)
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120 int dbgrGetRegNum(const char *p);
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121 void dbgrMain(HOSECPU_RuntimeEnvironment *r);
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