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annotate third_party/luajit/dynasm/dasm_arm64.h @ 279:b3b547563ec7
Add Google connector service and agent wiki
Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code.
Co-authored-by: Copilot <[email protected]>
Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
| author | MrJuneJune <me@mrjunejune.com> |
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| date | Mon, 17 Aug 2026 22:22:36 -0700 |
| 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. */ |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
216 void dasm_put(Dst_DECL, int start, ...) |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
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.
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parents:
diff
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|
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. */ |
|
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[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
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|
259 pl = D->pclabels + n; CKPL(pc, PC); |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
260 putrel: |
|
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[ThirdParty] Added WRK and luajit for load testing.
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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; |
|
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[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: |
|
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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.
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parents:
diff
changeset
|
267 *pl = pos; |
|
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[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
268 } |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
269 pos++; |
|
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parents:
diff
changeset
|
270 if ((ins & 0x8000)) ofs += 8; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
271 break; |
|
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[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; |
|
94705b5986b3
[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.
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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 |
|
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[ThirdParty] Added WRK and luajit for load testing.
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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.
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parents:
diff
changeset
|
295 #endif |
|
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[ThirdParty] Added WRK and luajit for load testing.
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parents:
diff
changeset
|
296 b[pos++] = n; |
|
94705b5986b3
[ThirdParty] Added WRK and luajit for load testing.
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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.
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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: { |
|
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[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; |
|
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325 } |
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326 case DASM_IMMV: |
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327 ofs += 4; |
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328 b[pos++] = n; |
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329 break; |
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330 case DASM_VREG: |
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331 CK(n < 32, RANGE_VREG); |
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332 b[pos++] = n; |
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333 break; |
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334 } |
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335 } |
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336 } |
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337 stop: |
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338 va_end(ap); |
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339 sec->pos = pos; |
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340 sec->ofs = ofs; |
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341 } |
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342 #undef CK |
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343 |
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344 /* Pass 2: Link sections, shrink aligns, fix label offsets. */ |
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345 int dasm_link(Dst_DECL, size_t *szp) |
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346 { |
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347 dasm_State *D = Dst_REF; |
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348 int secnum; |
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349 int ofs = 0; |
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350 |
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351 #ifdef DASM_CHECKS |
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352 *szp = 0; |
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353 if (D->status != DASM_S_OK) return D->status; |
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354 { |
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355 int pc; |
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356 for (pc = 0; pc*sizeof(int) < D->pcsize; pc++) |
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357 if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc; |
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358 } |
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359 #endif |
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360 |
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parents:
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361 { /* Handle globals not defined in this translation unit. */ |
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362 int idx; |
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parents:
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363 for (idx = 10; idx*sizeof(int) < D->lgsize; idx++) { |
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parents:
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364 int n = D->lglabels[idx]; |
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parents:
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365 /* Undefined label: Collapse rel chain and replace with marker (< 0). */ |
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parents:
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366 while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; } |
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367 } |
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368 } |
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369 |
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370 /* Combine all code sections. No support for data sections (yet). */ |
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parents:
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371 for (secnum = 0; secnum < D->maxsection; secnum++) { |
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parents:
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372 dasm_Section *sec = D->sections + secnum; |
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373 int *b = sec->rbuf; |
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374 int pos = DASM_SEC2POS(secnum); |
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375 int lastpos = sec->pos; |
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376 |
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377 while (pos != lastpos) { |
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378 dasm_ActList p = D->actionlist + b[pos++]; |
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379 while (1) { |
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380 unsigned int ins = *p++; |
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381 unsigned int action = (ins >> 16); |
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382 switch (action) { |
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383 case DASM_STOP: case DASM_SECTION: goto stop; |
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384 case DASM_ESC: p++; break; |
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385 case DASM_REL_EXT: break; |
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386 case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break; |
|
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387 case DASM_REL_LG: case DASM_REL_PC: pos++; break; |
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parents:
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388 case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break; |
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parents:
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389 case DASM_IMM: case DASM_IMM6: case DASM_IMM12: case DASM_IMM13W: |
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parents:
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390 case DASM_IMML: case DASM_IMMV: case DASM_VREG: pos++; break; |
|
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parents:
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391 case DASM_IMM13X: case DASM_REL_A: pos += 2; break; |
|
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parents:
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392 } |
|
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parents:
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393 } |
|
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parents:
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394 stop: (void)0; |
|
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parents:
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|
395 } |
|
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parents:
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396 ofs += sec->ofs; /* Next section starts right after current section. */ |
|
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parents:
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397 } |
|
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parents:
diff
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|
398 |
|
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parents:
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|
399 D->codesize = ofs; /* Total size of all code sections */ |
|
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parents:
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400 *szp = ofs; |
|
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parents:
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|
401 return DASM_S_OK; |
|
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parents:
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402 } |
|
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parents:
diff
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|
403 |
|
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parents:
diff
changeset
|
404 #ifdef DASM_CHECKS |
|
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parents:
diff
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|
405 #define CK(x, st) \ |
|
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parents:
diff
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|
406 do { if (!(x)) return DASM_S_##st|(int)(p-D->actionlist-1); } while (0) |
|
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parents:
diff
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|
407 #else |
|
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parents:
diff
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|
408 #define CK(x, st) ((void)0) |
|
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parents:
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|
409 #endif |
|
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parents:
diff
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|
410 |
|
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parents:
diff
changeset
|
411 /* Pass 3: Encode sections. */ |
|
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parents:
diff
changeset
|
412 int dasm_encode(Dst_DECL, void *buffer) |
|
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parents:
diff
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|
413 { |
|
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parents:
diff
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|
414 dasm_State *D = Dst_REF; |
|
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parents:
diff
changeset
|
415 char *base = (char *)buffer; |
|
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parents:
diff
changeset
|
416 unsigned int *cp = (unsigned int *)buffer; |
|
94705b5986b3
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parents:
diff
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|
417 int secnum; |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
418 |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
419 /* Encode all code sections. No support for data sections (yet). */ |
|
94705b5986b3
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parents:
diff
changeset
|
420 for (secnum = 0; secnum < D->maxsection; secnum++) { |
|
94705b5986b3
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parents:
diff
changeset
|
421 dasm_Section *sec = D->sections + secnum; |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
422 int *b = sec->buf; |
|
94705b5986b3
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parents:
diff
changeset
|
423 int *endb = sec->rbuf + sec->pos; |
|
94705b5986b3
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parents:
diff
changeset
|
424 |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
425 while (b != endb) { |
|
94705b5986b3
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parents:
diff
changeset
|
426 dasm_ActList p = D->actionlist + *b++; |
|
94705b5986b3
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parents:
diff
changeset
|
427 while (1) { |
|
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parents:
diff
changeset
|
428 unsigned int ins = *p++; |
|
94705b5986b3
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parents:
diff
changeset
|
429 unsigned int action = (ins >> 16); |
|
94705b5986b3
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MrJuneJune <me@mrjunejune.com>
parents:
diff
changeset
|
430 int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0; |
|
94705b5986b3
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parents:
diff
changeset
|
431 switch (action) { |
|
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parents:
diff
changeset
|
432 case DASM_STOP: case DASM_SECTION: goto stop; |
|
94705b5986b3
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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: |
|
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[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
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544 dasm_State *D = Dst_REF; |
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545 if (D->status == DASM_S_OK) { |
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546 int i; |
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547 for (i = 1; i <= 9; i++) { |
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548 if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; } |
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549 D->lglabels[i] = 0; |
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550 } |
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551 } |
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552 if (D->status == DASM_S_OK && secmatch >= 0 && |
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553 D->section != &D->sections[secmatch]) |
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554 D->status = DASM_S_MATCH_SEC|(int)(D->section-D->sections); |
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555 return D->status; |
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556 } |
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557 #endif |
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558 |