Mercurial
annotate third_party/luajit/dynasm/dasm_arm64.h @ 210:0abed117e623
Updated manifest color.
| author | MrJuneJune <me@mrjunejune.com> |
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| date | Sun, 15 Feb 2026 15:47:38 -0800 |
| parents | 94705b5986b3 |
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| rev | line source |
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1 /* |
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2 ** DynASM ARM64 encoding engine. |
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3 ** Copyright (C) 2005-2023 Mike Pall. All rights reserved. |
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4 ** Released under the MIT license. See dynasm.lua for full copyright notice. |
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5 */ |
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6 |
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7 #include <stddef.h> |
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8 #include <stdarg.h> |
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9 #include <string.h> |
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10 #include <stdlib.h> |
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11 |
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12 #define DASM_ARCH "arm64" |
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13 |
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14 #ifndef DASM_EXTERN |
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15 #define DASM_EXTERN(a,b,c,d) 0 |
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16 #endif |
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17 |
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18 /* Action definitions. */ |
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19 enum { |
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20 DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT, |
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21 /* The following actions need a buffer position. */ |
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22 DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG, |
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23 /* The following actions also have an argument. */ |
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24 DASM_REL_PC, DASM_LABEL_PC, DASM_REL_A, |
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25 DASM_IMM, DASM_IMM6, DASM_IMM12, DASM_IMM13W, DASM_IMM13X, DASM_IMML, |
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26 DASM_IMMV, DASM_VREG, |
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27 DASM__MAX |
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28 }; |
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29 |
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30 /* Maximum number of section buffer positions for a single dasm_put() call. */ |
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31 #define DASM_MAXSECPOS 25 |
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32 |
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33 /* DynASM encoder status codes. Action list offset or number are or'ed in. */ |
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34 #define DASM_S_OK 0x00000000 |
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35 #define DASM_S_NOMEM 0x01000000 |
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36 #define DASM_S_PHASE 0x02000000 |
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37 #define DASM_S_MATCH_SEC 0x03000000 |
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38 #define DASM_S_RANGE_I 0x11000000 |
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39 #define DASM_S_RANGE_SEC 0x12000000 |
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40 #define DASM_S_RANGE_LG 0x13000000 |
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41 #define DASM_S_RANGE_PC 0x14000000 |
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42 #define DASM_S_RANGE_REL 0x15000000 |
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43 #define DASM_S_RANGE_VREG 0x16000000 |
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44 #define DASM_S_UNDEF_LG 0x21000000 |
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45 #define DASM_S_UNDEF_PC 0x22000000 |
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46 |
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47 /* Macros to convert positions (8 bit section + 24 bit index). */ |
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48 #define DASM_POS2IDX(pos) ((pos)&0x00ffffff) |
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49 #define DASM_POS2BIAS(pos) ((pos)&0xff000000) |
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50 #define DASM_SEC2POS(sec) ((sec)<<24) |
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51 #define DASM_POS2SEC(pos) ((pos)>>24) |
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52 #define DASM_POS2PTR(D, pos) (D->sections[DASM_POS2SEC(pos)].rbuf + (pos)) |
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53 |
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54 /* Action list type. */ |
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55 typedef const unsigned int *dasm_ActList; |
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56 |
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57 /* Per-section structure. */ |
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58 typedef struct dasm_Section { |
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59 int *rbuf; /* Biased buffer pointer (negative section bias). */ |
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60 int *buf; /* True buffer pointer. */ |
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61 size_t bsize; /* Buffer size in bytes. */ |
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62 int pos; /* Biased buffer position. */ |
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63 int epos; /* End of biased buffer position - max single put. */ |
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64 int ofs; /* Byte offset into section. */ |
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65 } dasm_Section; |
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66 |
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67 /* Core structure holding the DynASM encoding state. */ |
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68 struct dasm_State { |
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69 size_t psize; /* Allocated size of this structure. */ |
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70 dasm_ActList actionlist; /* Current actionlist pointer. */ |
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71 int *lglabels; /* Local/global chain/pos ptrs. */ |
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72 size_t lgsize; |
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73 int *pclabels; /* PC label chains/pos ptrs. */ |
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74 size_t pcsize; |
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75 void **globals; /* Array of globals. */ |
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76 dasm_Section *section; /* Pointer to active section. */ |
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77 size_t codesize; /* Total size of all code sections. */ |
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78 int maxsection; /* 0 <= sectionidx < maxsection. */ |
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79 int status; /* Status code. */ |
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80 dasm_Section sections[1]; /* All sections. Alloc-extended. */ |
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81 }; |
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82 |
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83 /* The size of the core structure depends on the max. number of sections. */ |
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84 #define DASM_PSZ(ms) (sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section)) |
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85 |
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86 |
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87 /* Initialize DynASM state. */ |
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88 void dasm_init(Dst_DECL, int maxsection) |
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89 { |
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90 dasm_State *D; |
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91 size_t psz = 0; |
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92 Dst_REF = NULL; |
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93 DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection)); |
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94 D = Dst_REF; |
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95 D->psize = psz; |
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96 D->lglabels = NULL; |
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97 D->lgsize = 0; |
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98 D->pclabels = NULL; |
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99 D->pcsize = 0; |
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100 D->globals = NULL; |
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101 D->maxsection = maxsection; |
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102 memset((void *)D->sections, 0, maxsection * sizeof(dasm_Section)); |
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103 } |
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104 |
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105 /* Free DynASM state. */ |
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106 void dasm_free(Dst_DECL) |
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107 { |
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108 dasm_State *D = Dst_REF; |
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109 int i; |
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110 for (i = 0; i < D->maxsection; i++) |
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111 if (D->sections[i].buf) |
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112 DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize); |
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113 if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize); |
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114 if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize); |
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115 DASM_M_FREE(Dst, D, D->psize); |
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116 } |
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117 |
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118 /* Setup global label array. Must be called before dasm_setup(). */ |
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119 void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl) |
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120 { |
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121 dasm_State *D = Dst_REF; |
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122 D->globals = gl; |
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123 DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int)); |
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124 } |
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125 |
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126 /* Grow PC label array. Can be called after dasm_setup(), too. */ |
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127 void dasm_growpc(Dst_DECL, unsigned int maxpc) |
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128 { |
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129 dasm_State *D = Dst_REF; |
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130 size_t osz = D->pcsize; |
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131 DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int)); |
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132 memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz); |
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133 } |
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134 |
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135 /* Setup encoder. */ |
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136 void dasm_setup(Dst_DECL, const void *actionlist) |
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137 { |
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138 dasm_State *D = Dst_REF; |
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139 int i; |
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140 D->actionlist = (dasm_ActList)actionlist; |
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141 D->status = DASM_S_OK; |
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142 D->section = &D->sections[0]; |
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143 memset((void *)D->lglabels, 0, D->lgsize); |
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144 if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize); |
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145 for (i = 0; i < D->maxsection; i++) { |
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146 D->sections[i].pos = DASM_SEC2POS(i); |
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147 D->sections[i].rbuf = D->sections[i].buf - D->sections[i].pos; |
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148 D->sections[i].ofs = 0; |
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149 } |
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150 } |
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151 |
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152 |
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153 #ifdef DASM_CHECKS |
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154 #define CK(x, st) \ |
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155 do { if (!(x)) { \ |
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156 D->status = DASM_S_##st|(int)(p-D->actionlist-1); return; } } while (0) |
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157 #define CKPL(kind, st) \ |
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158 do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \ |
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159 D->status = DASM_S_RANGE_##st|(int)(p-D->actionlist-1); return; } } while (0) |
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160 #else |
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161 #define CK(x, st) ((void)0) |
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162 #define CKPL(kind, st) ((void)0) |
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163 #endif |
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164 |
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165 static int dasm_imm12(unsigned int n) |
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166 { |
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167 if ((n >> 12) == 0) |
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168 return n; |
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169 else if ((n & 0xff000fff) == 0) |
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170 return (n >> 12) | 0x1000; |
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171 else |
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172 return -1; |
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173 } |
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174 |
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175 static int dasm_ffs(unsigned long long x) |
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176 { |
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177 int n = -1; |
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178 while (x) { x >>= 1; n++; } |
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179 return n; |
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180 } |
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181 |
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182 static int dasm_imm13(int lo, int hi) |
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183 { |
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184 int inv = 0, w = 64, s = 0xfff, xa, xb; |
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185 unsigned long long n = (((unsigned long long)hi) << 32) | (unsigned int)lo; |
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186 unsigned long long m = 1ULL, a, b, c; |
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187 if (n & 1) { n = ~n; inv = 1; } |
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188 a = n & (unsigned long long)-(long long)n; |
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189 b = (n+a)&(unsigned long long)-(long long)(n+a); |
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190 c = (n+a-b)&(unsigned long long)-(long long)(n+a-b); |
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191 xa = dasm_ffs(a); xb = dasm_ffs(b); |
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192 if (c) { |
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193 w = dasm_ffs(c) - xa; |
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194 if (w == 32) m = 0x0000000100000001UL; |
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195 else if (w == 16) m = 0x0001000100010001UL; |
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196 else if (w == 8) m = 0x0101010101010101UL; |
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197 else if (w == 4) m = 0x1111111111111111UL; |
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198 else if (w == 2) m = 0x5555555555555555UL; |
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199 else return -1; |
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200 s = (-2*w & 0x3f) - 1; |
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201 } else if (!a) { |
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202 return -1; |
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203 } else if (xb == -1) { |
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204 xb = 64; |
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205 } |
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206 if ((b-a) * m != n) return -1; |
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207 if (inv) { |
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208 return ((w - xb) << 6) | (s+w+xa-xb); |
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209 } else { |
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210 return ((w - xa) << 6) | (s+xb-xa); |
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211 } |
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212 return -1; |
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213 } |
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214 |
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215 /* Pass 1: Store actions and args, link branches/labels, estimate offsets. */ |
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216 void dasm_put(Dst_DECL, int start, ...) |
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217 { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
218 va_list ap; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
219 dasm_State *D = Dst_REF; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
220 dasm_ActList p = D->actionlist + start; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
221 dasm_Section *sec = D->section; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
222 int pos = sec->pos, ofs = sec->ofs; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
223 int *b; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
224 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
225 if (pos >= sec->epos) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
226 DASM_M_GROW(Dst, int, sec->buf, sec->bsize, |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
227 sec->bsize + 2*DASM_MAXSECPOS*sizeof(int)); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
228 sec->rbuf = sec->buf - DASM_POS2BIAS(pos); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
229 sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
230 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
231 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
232 b = sec->rbuf; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
233 b[pos++] = start; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
234 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
235 va_start(ap, start); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
236 while (1) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
237 unsigned int ins = *p++; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
238 unsigned int action = (ins >> 16); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
239 if (action >= DASM__MAX) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
240 ofs += 4; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
241 } else { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
242 int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
243 switch (action) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
244 case DASM_STOP: goto stop; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
245 case DASM_SECTION: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
246 n = (ins & 255); CK(n < D->maxsection, RANGE_SEC); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
247 D->section = &D->sections[n]; goto stop; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
248 case DASM_ESC: p++; ofs += 4; break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
249 case DASM_REL_EXT: if ((ins & 0x8000)) ofs += 8; break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
250 case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
251 case DASM_REL_LG: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
252 n = (ins & 2047) - 10; pl = D->lglabels + n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
253 /* Bkwd rel or global. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
254 if (n >= 0) { CK(n>=10||*pl<0, RANGE_LG); CKPL(lg, LG); goto putrel; } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
255 pl += 10; n = *pl; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
256 if (n < 0) n = 0; /* Start new chain for fwd rel if label exists. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
257 goto linkrel; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
258 case DASM_REL_PC: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
259 pl = D->pclabels + n; CKPL(pc, PC); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
260 putrel: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
261 n = *pl; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
262 if (n < 0) { /* Label exists. Get label pos and store it. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
263 b[pos] = -n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
264 } else { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
265 linkrel: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
266 b[pos] = n; /* Else link to rel chain, anchored at label. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
267 *pl = pos; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
268 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
269 pos++; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
270 if ((ins & 0x8000)) ofs += 8; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
271 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
272 case DASM_REL_A: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
273 b[pos++] = n; |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
274 b[pos++] = va_arg(ap, int); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
275 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
276 case DASM_LABEL_LG: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
277 pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
278 case DASM_LABEL_PC: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
279 pl = D->pclabels + n; CKPL(pc, PC); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
280 putlabel: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
281 n = *pl; /* n > 0: Collapse rel chain and replace with label pos. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
282 while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
283 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
284 *pl = -pos; /* Label exists now. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
285 b[pos++] = ofs; /* Store pass1 offset estimate. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
286 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
287 case DASM_IMM: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
288 CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
289 n >>= ((ins>>10)&31); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
290 #ifdef DASM_CHECKS |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
291 if ((ins & 0x8000)) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
292 CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
293 else |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
294 CK((n>>((ins>>5)&31)) == 0, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
295 #endif |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
296 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
297 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
298 case DASM_IMM6: |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
299 CK((n >> 6) == 0, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
300 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
301 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
302 case DASM_IMM12: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
303 CK(dasm_imm12((unsigned int)n) != -1, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
304 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
305 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
306 case DASM_IMM13W: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
307 CK(dasm_imm13(n, n) != -1, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
308 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
309 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
310 case DASM_IMM13X: { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
311 int m = va_arg(ap, int); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
312 CK(dasm_imm13(n, m) != -1, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
313 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
314 b[pos++] = m; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
315 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
316 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
317 case DASM_IMML: { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
318 #ifdef DASM_CHECKS |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
319 int scale = (ins & 3); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
320 CK((!(n & ((1<<scale)-1)) && (unsigned int)(n>>scale) < 4096) || |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
321 (unsigned int)(n+256) < 512, RANGE_I); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
322 #endif |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
323 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
324 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
325 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
326 case DASM_IMMV: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
327 ofs += 4; |
|
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[ThirdParty] Added WRK and luajit for load testing.
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328 b[pos++] = n; |
|
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329 break; |
|
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parents:
diff
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|
330 case DASM_VREG: |
|
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parents:
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|
331 CK(n < 32, RANGE_VREG); |
|
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parents:
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332 b[pos++] = n; |
|
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parents:
diff
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|
333 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
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|
334 } |
|
94705b5986b3
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parents:
diff
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|
335 } |
|
94705b5986b3
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parents:
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|
336 } |
|
94705b5986b3
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337 stop: |
|
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parents:
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|
338 va_end(ap); |
|
94705b5986b3
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parents:
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339 sec->pos = pos; |
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parents:
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340 sec->ofs = ofs; |
|
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parents:
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341 } |
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parents:
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|
342 #undef CK |
|
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parents:
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|
343 |
|
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parents:
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344 /* Pass 2: Link sections, shrink aligns, fix label offsets. */ |
|
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parents:
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345 int dasm_link(Dst_DECL, size_t *szp) |
|
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346 { |
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parents:
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347 dasm_State *D = Dst_REF; |
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parents:
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348 int secnum; |
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349 int ofs = 0; |
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parents:
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350 |
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parents:
diff
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|
351 #ifdef DASM_CHECKS |
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parents:
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352 *szp = 0; |
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parents:
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353 if (D->status != DASM_S_OK) return D->status; |
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parents:
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354 { |
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355 int pc; |
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parents:
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356 for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) |
|
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[ThirdParty] Added WRK and luajit for load testing.
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parents:
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357 if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; |
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parents:
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358 } |
|
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|
359 #endif |
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parents:
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|
360 |
|
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parents:
diff
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|
361 { /* Handle globals not defined in this translation unit. */ |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
362 int idx; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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363 for (idx = 10; idx*sizeof(int) < D->lgsize; idx++) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
364 int n = D->lglabels[idx]; |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
365 /* Undefined label: Collapse rel chain and replace with marker (< 0). */ |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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366 while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } |
|
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parents:
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|
367 } |
|
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parents:
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|
368 } |
|
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parents:
diff
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|
369 |
|
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parents:
diff
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|
370 /* Combine all code sections. No support for data sections (yet). */ |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
371 for (secnum = 0; secnum < D->maxsection; secnum++) { |
|
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parents:
diff
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|
372 dasm_Section *sec = D->sections + secnum; |
|
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parents:
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373 int *b = sec->rbuf; |
|
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parents:
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374 int pos = DASM_SEC2POS(secnum); |
|
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parents:
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375 int lastpos = sec->pos; |
|
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parents:
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|
376 |
|
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parents:
diff
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|
377 while (pos != lastpos) { |
|
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parents:
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378 dasm_ActList p = D->actionlist + b[pos++]; |
|
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parents:
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|
379 while (1) { |
|
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parents:
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380 unsigned int ins = *p++; |
|
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parents:
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381 unsigned int action = (ins >> 16); |
|
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parents:
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|
382 switch (action) { |
|
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parents:
diff
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|
383 case DASM_STOP: case DASM_SECTION: goto stop; |
|
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parents:
diff
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|
384 case DASM_ESC: p++; break; |
|
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parents:
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|
385 case DASM_REL_EXT: break; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
386 case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
387 case DASM_REL_LG: case DASM_REL_PC: pos++; break; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
388 case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
389 case DASM_IMM: case DASM_IMM6: case DASM_IMM12: case DASM_IMM13W: |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
390 case DASM_IMML: case DASM_IMMV: case DASM_VREG: pos++; break; |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
391 case DASM_IMM13X: case DASM_REL_A: pos += 2; break; |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
392 } |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
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|
393 } |
|
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parents:
diff
changeset
|
394 stop: (void)0; |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
395 } |
|
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
396 ofs += sec->ofs; /* Next section starts right after current section. */ |
|
94705b5986b3
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parents:
diff
changeset
|
397 } |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
398 |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
399 D->codesize = ofs; /* Total size of all code sections */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
400 *szp = ofs; |
|
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[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
401 return DASM_S_OK; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
402 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
403 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
404 #ifdef DASM_CHECKS |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
405 #define CK(x, st) \ |
|
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
406 do { if (!(x)) return DASM_S_##st|(int)(p-D->actionlist-1); } while (0) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
407 #else |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
408 #define CK(x, st) ((void)0) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
409 #endif |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
410 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
411 /* Pass 3: Encode sections. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
412 int dasm_encode(Dst_DECL, void *buffer) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
413 { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
414 dasm_State *D = Dst_REF; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
415 char *base = (char *)buffer; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
416 unsigned int *cp = (unsigned int *)buffer; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
417 int secnum; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
418 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
419 /* Encode all code sections. No support for data sections (yet). */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
420 for (secnum = 0; secnum < D->maxsection; secnum++) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
421 dasm_Section *sec = D->sections + secnum; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
422 int *b = sec->buf; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
423 int *endb = sec->rbuf + sec->pos; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
424 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
425 while (b != endb) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
426 dasm_ActList p = D->actionlist + *b++; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
427 while (1) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
428 unsigned int ins = *p++; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
429 unsigned int action = (ins >> 16); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
430 int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
431 switch (action) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
432 case DASM_STOP: case DASM_SECTION: goto stop; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
433 case DASM_ESC: *cp++ = *p++; break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
434 case DASM_REL_EXT: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
435 n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins&2047), !(ins&2048)); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
436 goto patchrel; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
437 case DASM_ALIGN: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
438 ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0xd503201f; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
439 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
440 case DASM_REL_LG: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
441 if (n < 0) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
442 ptrdiff_t na = (ptrdiff_t)D->globals[-n-10] - (ptrdiff_t)cp + 4; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
443 n = (int)na; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
444 CK((ptrdiff_t)n == na, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
445 goto patchrel; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
446 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
447 /* fallthrough */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
448 case DASM_REL_PC: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
449 CK(n >= 0, UNDEF_PC); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
450 n = *DASM_POS2PTR(D, n) - (int)((char *)cp - base) + 4; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
451 patchrel: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
452 if (!(ins & 0xf800)) { /* B, BL */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
453 CK((n & 3) == 0 && ((n+0x08000000) >> 28) == 0, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
454 cp[-1] |= ((n >> 2) & 0x03ffffff); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
455 } else if ((ins & 0x800)) { /* B.cond, CBZ, CBNZ, LDR* literal */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
456 CK((n & 3) == 0 && ((n+0x00100000) >> 21) == 0, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
457 cp[-1] |= ((n << 3) & 0x00ffffe0); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
458 } else if ((ins & 0x3000) == 0x2000) { /* ADR */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
459 CK(((n+0x00100000) >> 21) == 0, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
460 cp[-1] |= ((n << 3) & 0x00ffffe0) | ((n & 3) << 29); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
461 } else if ((ins & 0x3000) == 0x3000) { /* ADRP */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
462 cp[-1] |= ((n >> 9) & 0x00ffffe0) | (((n >> 12) & 3) << 29); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
463 } else if ((ins & 0x1000)) { /* TBZ, TBNZ */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
464 CK((n & 3) == 0 && ((n+0x00008000) >> 16) == 0, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
465 cp[-1] |= ((n << 3) & 0x0007ffe0); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
466 } else if ((ins & 0x8000)) { /* absolute */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
467 cp[0] = (unsigned int)((ptrdiff_t)cp - 4 + n); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
468 cp[1] = (unsigned int)(((ptrdiff_t)cp - 4 + n) >> 32); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
469 cp += 2; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
470 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
471 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
472 case DASM_REL_A: { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
473 ptrdiff_t na = (((ptrdiff_t)(*b++) << 32) | (unsigned int)n); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
474 if ((ins & 0x3000) == 0x3000) { /* ADRP */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
475 ins &= ~0x1000; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
476 na = (na >> 12) - (((ptrdiff_t)cp - 4) >> 12); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
477 } else { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
478 na = na - (ptrdiff_t)cp + 4; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
479 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
480 n = (int)na; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
481 CK((ptrdiff_t)n == na, RANGE_REL); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
482 goto patchrel; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
483 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
484 case DASM_LABEL_LG: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
485 ins &= 2047; if (ins >= 20) D->globals[ins-20] = (void *)(base + n); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
486 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
487 case DASM_LABEL_PC: break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
488 case DASM_IMM: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
489 cp[-1] |= (n & ((1<<((ins>>5)&31))-1)) << (ins&31); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
490 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
491 case DASM_IMM6: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
492 cp[-1] |= ((n&31) << 19) | ((n&32) << 26); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
493 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
494 case DASM_IMM12: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
495 cp[-1] |= (dasm_imm12((unsigned int)n) << 10); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
496 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
497 case DASM_IMM13W: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
498 cp[-1] |= (dasm_imm13(n, n) << 10); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
499 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
500 case DASM_IMM13X: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
501 cp[-1] |= (dasm_imm13(n, *b++) << 10); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
502 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
503 case DASM_IMML: { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
504 int scale = (ins & 3); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
505 cp[-1] |= (!(n & ((1<<scale)-1)) && (unsigned int)(n>>scale) < 4096) ? |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
506 ((n << (10-scale)) | 0x01000000) : ((n & 511) << 12); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
507 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
508 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
509 case DASM_IMMV: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
510 *cp++ = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
511 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
512 case DASM_VREG: |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
513 cp[-1] |= (n & 0x1f) << (ins & 0x1f); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
514 break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
515 default: *cp++ = ins; break; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
516 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
517 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
518 stop: (void)0; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
519 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
520 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
521 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
522 if (base + D->codesize != (char *)cp) /* Check for phase errors. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
523 return DASM_S_PHASE; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
524 return DASM_S_OK; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
525 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
526 #undef CK |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
527 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
528 /* Get PC label offset. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
529 int dasm_getpclabel(Dst_DECL, unsigned int pc) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
530 { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
531 dasm_State *D = Dst_REF; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
532 if (pc*sizeof(int) < D->pcsize) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
533 int pos = D->pclabels[pc]; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
534 if (pos < 0) return *DASM_POS2PTR(D, -pos); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
535 if (pos > 0) return -1; /* Undefined. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
536 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
537 return -2; /* Unused or out of range. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
538 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
539 |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
540 #ifdef DASM_CHECKS |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
541 /* Optional sanity checker to call between isolated encoding steps. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
542 int dasm_checkstep(Dst_DECL, int secmatch) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
543 { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
544 dasm_State *D = Dst_REF; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
545 if (D->status == DASM_S_OK) { |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
546 int i; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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547 for (i = 1; i <= 9; i++) { |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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548 if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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549 D->lglabels[i] = 0; |
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94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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550 } |
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94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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551 } |
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94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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552 if (D->status == DASM_S_OK && secmatch >= 0 && |
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94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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553 D->section != &D->sections[secmatch]) |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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554 D->status = DASM_S_MATCH_SEC|(int)(D->section-D->sections); |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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555 return D->status; |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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556 } |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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557 #endif |
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[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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558 |