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1 /* Interface between the opcode library and its callers. |
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2 Written by Cygnus Support, 1993. |
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3 |
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4 The opcode library (libopcodes.a) provides instruction decoders for |
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5 a large variety of instruction sets, callable with an identical |
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6 interface, for making instruction-processing programs more independent |
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7 of the instruction set being processed. */ |
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8 |
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9 #ifndef DIS_ASM_H |
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10 #define DIS_ASM_H |
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11 |
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12 #include <stdlib.h> |
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13 #include <stdio.h> |
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14 #include <string.h> |
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15 #include <inttypes.h> |
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16 |
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17 #define PARAMS(x) x |
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18 typedef void *PTR; |
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19 typedef uint64_t bfd_vma; |
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20 typedef int64_t bfd_signed_vma; |
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21 typedef uint8_t bfd_byte; |
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22 #define sprintf_vma(s,x) sprintf (s, "%0" PRIx64, x) |
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23 #define snprintf_vma(s,ss,x) snprintf (s, ss, "%0" PRIx64, x) |
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24 |
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25 #define BFD64 |
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26 |
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27 enum bfd_flavour { |
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28 bfd_target_unknown_flavour, |
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29 bfd_target_aout_flavour, |
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30 bfd_target_coff_flavour, |
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31 bfd_target_ecoff_flavour, |
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32 bfd_target_elf_flavour, |
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33 bfd_target_ieee_flavour, |
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34 bfd_target_nlm_flavour, |
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35 bfd_target_oasys_flavour, |
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36 bfd_target_tekhex_flavour, |
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37 bfd_target_srec_flavour, |
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38 bfd_target_ihex_flavour, |
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39 bfd_target_som_flavour, |
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40 bfd_target_os9k_flavour, |
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41 bfd_target_versados_flavour, |
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42 bfd_target_msdos_flavour, |
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43 bfd_target_evax_flavour |
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44 }; |
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45 |
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46 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN }; |
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47 |
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48 enum bfd_architecture |
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49 { |
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50 bfd_arch_unknown, /* File arch not known */ |
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51 bfd_arch_obscure, /* Arch known, not one of these */ |
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52 bfd_arch_m68k, /* Motorola 68xxx */ |
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53 #define bfd_mach_m68000 1 |
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54 #define bfd_mach_m68008 2 |
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55 #define bfd_mach_m68010 3 |
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56 #define bfd_mach_m68020 4 |
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57 #define bfd_mach_m68030 5 |
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58 #define bfd_mach_m68040 6 |
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59 #define bfd_mach_m68060 7 |
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60 #define bfd_mach_cpu32 8 |
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61 #define bfd_mach_mcf5200 9 |
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62 #define bfd_mach_mcf5206e 10 |
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63 #define bfd_mach_mcf5307 11 |
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64 #define bfd_mach_mcf5407 12 |
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65 #define bfd_mach_mcf528x 13 |
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66 #define bfd_mach_mcfv4e 14 |
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67 #define bfd_mach_mcf521x 15 |
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68 #define bfd_mach_mcf5249 16 |
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69 #define bfd_mach_mcf547x 17 |
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70 #define bfd_mach_mcf548x 18 |
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71 bfd_arch_vax, /* DEC Vax */ |
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72 bfd_arch_i960, /* Intel 960 */ |
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73 /* The order of the following is important. |
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74 lower number indicates a machine type that |
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75 only accepts a subset of the instructions |
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76 available to machines with higher numbers. |
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77 The exception is the "ca", which is |
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78 incompatible with all other machines except |
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79 "core". */ |
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80 |
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81 #define bfd_mach_i960_core 1 |
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82 #define bfd_mach_i960_ka_sa 2 |
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83 #define bfd_mach_i960_kb_sb 3 |
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84 #define bfd_mach_i960_mc 4 |
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85 #define bfd_mach_i960_xa 5 |
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86 #define bfd_mach_i960_ca 6 |
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87 #define bfd_mach_i960_jx 7 |
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88 #define bfd_mach_i960_hx 8 |
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89 |
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90 bfd_arch_a29k, /* AMD 29000 */ |
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91 bfd_arch_sparc, /* SPARC */ |
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92 #define bfd_mach_sparc 1 |
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93 /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */ |
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94 #define bfd_mach_sparc_sparclet 2 |
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95 #define bfd_mach_sparc_sparclite 3 |
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96 #define bfd_mach_sparc_v8plus 4 |
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97 #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns. */ |
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98 #define bfd_mach_sparc_sparclite_le 6 |
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99 #define bfd_mach_sparc_v9 7 |
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100 #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns. */ |
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101 #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns. */ |
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102 #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns. */ |
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103 /* Nonzero if MACH has the v9 instruction set. */ |
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104 #define bfd_mach_sparc_v9_p(mach) \ |
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105 ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \ |
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106 && (mach) != bfd_mach_sparc_sparclite_le) |
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107 bfd_arch_mips, /* MIPS Rxxxx */ |
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108 #define bfd_mach_mips3000 3000 |
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109 #define bfd_mach_mips3900 3900 |
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110 #define bfd_mach_mips4000 4000 |
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111 #define bfd_mach_mips4010 4010 |
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112 #define bfd_mach_mips4100 4100 |
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113 #define bfd_mach_mips4300 4300 |
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114 #define bfd_mach_mips4400 4400 |
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115 #define bfd_mach_mips4600 4600 |
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116 #define bfd_mach_mips4650 4650 |
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117 #define bfd_mach_mips5000 5000 |
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118 #define bfd_mach_mips6000 6000 |
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119 #define bfd_mach_mips8000 8000 |
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120 #define bfd_mach_mips10000 10000 |
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121 #define bfd_mach_mips16 16 |
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122 bfd_arch_i386, /* Intel 386 */ |
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123 #define bfd_mach_i386_i386 0 |
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124 #define bfd_mach_i386_i8086 1 |
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125 #define bfd_mach_i386_i386_intel_syntax 2 |
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126 #define bfd_mach_x86_64 3 |
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127 #define bfd_mach_x86_64_intel_syntax 4 |
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128 bfd_arch_we32k, /* AT&T WE32xxx */ |
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129 bfd_arch_tahoe, /* CCI/Harris Tahoe */ |
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130 bfd_arch_i860, /* Intel 860 */ |
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131 bfd_arch_romp, /* IBM ROMP PC/RT */ |
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132 bfd_arch_alliant, /* Alliant */ |
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133 bfd_arch_convex, /* Convex */ |
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134 bfd_arch_m88k, /* Motorola 88xxx */ |
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135 bfd_arch_pyramid, /* Pyramid Technology */ |
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136 bfd_arch_h8300, /* Hitachi H8/300 */ |
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137 #define bfd_mach_h8300 1 |
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138 #define bfd_mach_h8300h 2 |
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139 #define bfd_mach_h8300s 3 |
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140 bfd_arch_powerpc, /* PowerPC */ |
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141 #define bfd_mach_ppc 0 |
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142 #define bfd_mach_ppc64 1 |
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143 #define bfd_mach_ppc_403 403 |
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144 #define bfd_mach_ppc_403gc 4030 |
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145 #define bfd_mach_ppc_505 505 |
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146 #define bfd_mach_ppc_601 601 |
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147 #define bfd_mach_ppc_602 602 |
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148 #define bfd_mach_ppc_603 603 |
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149 #define bfd_mach_ppc_ec603e 6031 |
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150 #define bfd_mach_ppc_604 604 |
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151 #define bfd_mach_ppc_620 620 |
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152 #define bfd_mach_ppc_630 630 |
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153 #define bfd_mach_ppc_750 750 |
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154 #define bfd_mach_ppc_860 860 |
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155 #define bfd_mach_ppc_a35 35 |
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156 #define bfd_mach_ppc_rs64ii 642 |
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157 #define bfd_mach_ppc_rs64iii 643 |
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158 #define bfd_mach_ppc_7400 7400 |
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159 bfd_arch_rs6000, /* IBM RS/6000 */ |
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160 bfd_arch_hppa, /* HP PA RISC */ |
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161 #define bfd_mach_hppa10 10 |
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162 #define bfd_mach_hppa11 11 |
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163 #define bfd_mach_hppa20 20 |
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164 #define bfd_mach_hppa20w 25 |
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165 bfd_arch_d10v, /* Mitsubishi D10V */ |
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166 bfd_arch_z8k, /* Zilog Z8000 */ |
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167 #define bfd_mach_z8001 1 |
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168 #define bfd_mach_z8002 2 |
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169 bfd_arch_h8500, /* Hitachi H8/500 */ |
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170 bfd_arch_sh, /* Hitachi SH */ |
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171 #define bfd_mach_sh 1 |
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172 #define bfd_mach_sh2 0x20 |
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173 #define bfd_mach_sh_dsp 0x2d |
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174 #define bfd_mach_sh2a 0x2a |
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175 #define bfd_mach_sh2a_nofpu 0x2b |
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176 #define bfd_mach_sh2e 0x2e |
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177 #define bfd_mach_sh3 0x30 |
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178 #define bfd_mach_sh3_nommu 0x31 |
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179 #define bfd_mach_sh3_dsp 0x3d |
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180 #define bfd_mach_sh3e 0x3e |
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181 #define bfd_mach_sh4 0x40 |
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182 #define bfd_mach_sh4_nofpu 0x41 |
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183 #define bfd_mach_sh4_nommu_nofpu 0x42 |
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184 #define bfd_mach_sh4a 0x4a |
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185 #define bfd_mach_sh4a_nofpu 0x4b |
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186 #define bfd_mach_sh4al_dsp 0x4d |
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187 #define bfd_mach_sh5 0x50 |
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188 bfd_arch_alpha, /* Dec Alpha */ |
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189 #define bfd_mach_alpha 1 |
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190 bfd_arch_arm, /* Advanced Risc Machines ARM */ |
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191 #define bfd_mach_arm_unknown 0 |
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192 #define bfd_mach_arm_2 1 |
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193 #define bfd_mach_arm_2a 2 |
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194 #define bfd_mach_arm_3 3 |
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195 #define bfd_mach_arm_3M 4 |
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196 #define bfd_mach_arm_4 5 |
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197 #define bfd_mach_arm_4T 6 |
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198 #define bfd_mach_arm_5 7 |
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199 #define bfd_mach_arm_5T 8 |
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200 #define bfd_mach_arm_5TE 9 |
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201 #define bfd_mach_arm_XScale 10 |
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202 #define bfd_mach_arm_ep9312 11 |
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203 #define bfd_mach_arm_iWMMXt 12 |
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204 #define bfd_mach_arm_iWMMXt2 13 |
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205 bfd_arch_ns32k, /* National Semiconductors ns32000 */ |
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206 bfd_arch_w65, /* WDC 65816 */ |
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207 bfd_arch_tic30, /* Texas Instruments TMS320C30 */ |
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208 bfd_arch_v850, /* NEC V850 */ |
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209 #define bfd_mach_v850 0 |
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210 bfd_arch_arc, /* Argonaut RISC Core */ |
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211 #define bfd_mach_arc_base 0 |
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212 bfd_arch_m32r, /* Mitsubishi M32R/D */ |
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213 #define bfd_mach_m32r 0 /* backwards compatibility */ |
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214 bfd_arch_mn10200, /* Matsushita MN10200 */ |
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215 bfd_arch_mn10300, /* Matsushita MN10300 */ |
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216 bfd_arch_cris, /* Axis CRIS */ |
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217 #define bfd_mach_cris_v0_v10 255 |
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218 #define bfd_mach_cris_v32 32 |
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219 #define bfd_mach_cris_v10_v32 1032 |
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220 bfd_arch_last |
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221 }; |
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222 #define bfd_mach_s390_31 31 |
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223 #define bfd_mach_s390_64 64 |
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224 |
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225 typedef struct symbol_cache_entry |
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226 { |
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227 const char *name; |
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228 union |
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229 { |
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230 PTR p; |
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231 bfd_vma i; |
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232 } udata; |
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233 } asymbol; |
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234 |
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235 typedef int (*fprintf_ftype) PARAMS((FILE*, const char*, ...)); |
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236 |
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237 enum dis_insn_type { |
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238 dis_noninsn, /* Not a valid instruction */ |
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239 dis_nonbranch, /* Not a branch instruction */ |
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240 dis_branch, /* Unconditional branch */ |
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241 dis_condbranch, /* Conditional branch */ |
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242 dis_jsr, /* Jump to subroutine */ |
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243 dis_condjsr, /* Conditional jump to subroutine */ |
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244 dis_dref, /* Data reference instruction */ |
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245 dis_dref2 /* Two data references in instruction */ |
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246 }; |
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247 |
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248 /* This struct is passed into the instruction decoding routine, |
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249 and is passed back out into each callback. The various fields are used |
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250 for conveying information from your main routine into your callbacks, |
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251 for passing information into the instruction decoders (such as the |
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252 addresses of the callback functions), or for passing information |
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253 back from the instruction decoders to their callers. |
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254 |
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255 It must be initialized before it is first passed; this can be done |
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256 by hand, or using one of the initialization macros below. */ |
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257 |
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258 typedef struct disassemble_info { |
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259 fprintf_ftype fprintf_func; |
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260 FILE *stream; |
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261 PTR application_data; |
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262 |
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263 /* Target description. We could replace this with a pointer to the bfd, |
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264 but that would require one. There currently isn't any such requirement |
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265 so to avoid introducing one we record these explicitly. */ |
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266 /* The bfd_flavour. This can be bfd_target_unknown_flavour. */ |
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267 enum bfd_flavour flavour; |
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268 /* The bfd_arch value. */ |
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269 enum bfd_architecture arch; |
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270 /* The bfd_mach value. */ |
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271 unsigned long mach; |
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272 /* Endianness (for bi-endian cpus). Mono-endian cpus can ignore this. */ |
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273 enum bfd_endian endian; |
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274 |
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275 /* An array of pointers to symbols either at the location being disassembled |
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276 or at the start of the function being disassembled. The array is sorted |
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277 so that the first symbol is intended to be the one used. The others are |
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278 present for any misc. purposes. This is not set reliably, but if it is |
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279 not NULL, it is correct. */ |
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280 asymbol **symbols; |
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281 /* Number of symbols in array. */ |
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282 int num_symbols; |
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283 |
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284 /* For use by the disassembler. |
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285 The top 16 bits are reserved for public use (and are documented here). |
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286 The bottom 16 bits are for the internal use of the disassembler. */ |
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287 unsigned long flags; |
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288 #define INSN_HAS_RELOC 0x80000000 |
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289 PTR private_data; |
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290 |
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291 /* Function used to get bytes to disassemble. MEMADDR is the |
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292 address of the stuff to be disassembled, MYADDR is the address to |
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293 put the bytes in, and LENGTH is the number of bytes to read. |
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294 INFO is a pointer to this struct. |
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295 Returns an errno value or 0 for success. */ |
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296 int (*read_memory_func) |
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297 PARAMS ((bfd_vma memaddr, bfd_byte *myaddr, int length, |
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298 struct disassemble_info *info)); |
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299 |
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300 /* Function which should be called if we get an error that we can't |
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301 recover from. STATUS is the errno value from read_memory_func and |
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302 MEMADDR is the address that we were trying to read. INFO is a |
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303 pointer to this struct. */ |
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304 void (*memory_error_func) |
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305 PARAMS ((int status, bfd_vma memaddr, struct disassemble_info *info)); |
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306 |
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307 /* Function called to print ADDR. */ |
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308 void (*print_address_func) |
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309 PARAMS ((bfd_vma addr, struct disassemble_info *info)); |
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310 |
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311 /* Function called to determine if there is a symbol at the given ADDR. |
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312 If there is, the function returns 1, otherwise it returns 0. |
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313 This is used by ports which support an overlay manager where |
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314 the overlay number is held in the top part of an address. In |
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315 some circumstances we want to include the overlay number in the |
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316 address, (normally because there is a symbol associated with |
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317 that address), but sometimes we want to mask out the overlay bits. */ |
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318 int (* symbol_at_address_func) |
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319 PARAMS ((bfd_vma addr, struct disassemble_info * info)); |
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320 |
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321 /* These are for buffer_read_memory. */ |
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322 bfd_byte *buffer; |
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323 bfd_vma buffer_vma; |
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324 int buffer_length; |
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325 |
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326 /* This variable may be set by the instruction decoder. It suggests |
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327 the number of bytes objdump should display on a single line. If |
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328 the instruction decoder sets this, it should always set it to |
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329 the same value in order to get reasonable looking output. */ |
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330 int bytes_per_line; |
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331 |
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332 /* the next two variables control the way objdump displays the raw data */ |
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333 /* For example, if bytes_per_line is 8 and bytes_per_chunk is 4, the */ |
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334 /* output will look like this: |
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335 00: 00000000 00000000 |
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336 with the chunks displayed according to "display_endian". */ |
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337 int bytes_per_chunk; |
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338 enum bfd_endian display_endian; |
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339 |
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340 /* Results from instruction decoders. Not all decoders yet support |
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341 this information. This info is set each time an instruction is |
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342 decoded, and is only valid for the last such instruction. |
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343 |
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344 To determine whether this decoder supports this information, set |
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345 insn_info_valid to 0, decode an instruction, then check it. */ |
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346 |
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347 char insn_info_valid; /* Branch info has been set. */ |
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348 char branch_delay_insns; /* How many sequential insn's will run before |
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349 a branch takes effect. (0 = normal) */ |
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350 char data_size; /* Size of data reference in insn, in bytes */ |
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351 enum dis_insn_type insn_type; /* Type of instruction */ |
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352 bfd_vma target; /* Target address of branch or dref, if known; |
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353 zero if unknown. */ |
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354 bfd_vma target2; /* Second target address for dref2 */ |
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355 |
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356 /* Command line options specific to the target disassembler. */ |
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357 char * disassembler_options; |
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358 |
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359 } disassemble_info; |
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360 |
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361 |
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362 /* Standard disassemblers. Disassemble one instruction at the given |
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363 target address. Return number of bytes processed. */ |
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364 typedef int (*disassembler_ftype) |
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365 PARAMS((bfd_vma, disassemble_info *)); |
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366 |
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367 extern int print_insn_big_mips PARAMS ((bfd_vma, disassemble_info*)); |
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368 extern int print_insn_little_mips PARAMS ((bfd_vma, disassemble_info*)); |
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369 extern int print_insn_i386 PARAMS ((bfd_vma, disassemble_info*)); |
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370 extern int print_insn_m68k PARAMS ((bfd_vma, disassemble_info*)); |
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371 extern int print_insn_z8001 PARAMS ((bfd_vma, disassemble_info*)); |
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372 extern int print_insn_z8002 PARAMS ((bfd_vma, disassemble_info*)); |
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373 extern int print_insn_h8300 PARAMS ((bfd_vma, disassemble_info*)); |
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374 extern int print_insn_h8300h PARAMS ((bfd_vma, disassemble_info*)); |
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375 extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*)); |
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376 extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*)); |
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377 extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*)); |
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378 extern disassembler_ftype arc_get_disassembler PARAMS ((int, int)); |
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379 extern int print_insn_arm PARAMS ((bfd_vma, disassemble_info*)); |
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380 extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*)); |
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381 extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*)); |
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382 extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*)); |
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383 extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*)); |
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384 extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*)); |
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385 extern int print_insn_shl PARAMS ((bfd_vma, disassemble_info*)); |
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386 extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*)); |
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387 extern int print_insn_m32r PARAMS ((bfd_vma, disassemble_info*)); |
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388 extern int print_insn_m88k PARAMS ((bfd_vma, disassemble_info*)); |
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389 extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*)); |
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390 extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*)); |
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391 extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*)); |
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392 extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*)); |
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393 extern int print_insn_little_powerpc PARAMS ((bfd_vma, disassemble_info*)); |
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394 extern int print_insn_rs6000 PARAMS ((bfd_vma, disassemble_info*)); |
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395 extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*)); |
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396 extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*)); |
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397 extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*)); |
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398 extern int print_insn_tic30 PARAMS ((bfd_vma, disassemble_info*)); |
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399 extern int print_insn_ppc PARAMS ((bfd_vma, disassemble_info*)); |
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400 extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*)); |
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401 extern int print_insn_crisv32 PARAMS ((bfd_vma, disassemble_info*)); |
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402 |
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403 #if 0 |
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404 /* Fetch the disassembler for a given BFD, if that support is available. */ |
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405 extern disassembler_ftype disassembler PARAMS ((bfd *)); |
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406 #endif |
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407 |
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408 |
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409 /* This block of definitions is for particular callers who read instructions |
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410 into a buffer before calling the instruction decoder. */ |
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411 |
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412 /* Here is a function which callers may wish to use for read_memory_func. |
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413 It gets bytes from a buffer. */ |
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414 extern int buffer_read_memory |
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415 PARAMS ((bfd_vma, bfd_byte *, int, struct disassemble_info *)); |
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416 |
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417 /* This function goes with buffer_read_memory. |
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418 It prints a message using info->fprintf_func and info->stream. */ |
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419 extern void perror_memory PARAMS ((int, bfd_vma, struct disassemble_info *)); |
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420 |
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421 |
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422 /* Just print the address in hex. This is included for completeness even |
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423 though both GDB and objdump provide their own (to print symbolic |
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424 addresses). */ |
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425 extern void generic_print_address |
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426 PARAMS ((bfd_vma, struct disassemble_info *)); |
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427 |
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428 /* Always true. */ |
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429 extern int generic_symbol_at_address |
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430 PARAMS ((bfd_vma, struct disassemble_info *)); |
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431 |
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432 /* Macro to initialize a disassemble_info struct. This should be called |
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433 by all applications creating such a struct. */ |
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434 #define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \ |
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435 (INFO).flavour = bfd_target_unknown_flavour, \ |
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436 (INFO).arch = bfd_arch_unknown, \ |
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437 (INFO).mach = 0, \ |
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438 (INFO).endian = BFD_ENDIAN_UNKNOWN, \ |
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439 INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) |
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440 |
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441 /* Call this macro to initialize only the internal variables for the |
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442 disassembler. Architecture dependent things such as byte order, or machine |
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443 variant are not touched by this macro. This makes things much easier for |
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444 GDB which must initialize these things separately. */ |
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445 |
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446 #define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \ |
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447 (INFO).fprintf_func = (FPRINTF_FUNC), \ |
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448 (INFO).stream = (STREAM), \ |
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449 (INFO).symbols = NULL, \ |
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450 (INFO).num_symbols = 0, \ |
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451 (INFO).private_data = NULL, \ |
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452 (INFO).buffer = NULL, \ |
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453 (INFO).buffer_vma = 0, \ |
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454 (INFO).buffer_length = 0, \ |
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455 (INFO).read_memory_func = buffer_read_memory, \ |
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456 (INFO).memory_error_func = perror_memory, \ |
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457 (INFO).print_address_func = generic_print_address, \ |
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458 (INFO).symbol_at_address_func = generic_symbol_at_address, \ |
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459 (INFO).flags = 0, \ |
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460 (INFO).bytes_per_line = 0, \ |
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461 (INFO).bytes_per_chunk = 0, \ |
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462 (INFO).display_endian = BFD_ENDIAN_UNKNOWN, \ |
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463 (INFO).disassembler_options = NULL, \ |
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464 (INFO).insn_info_valid = 0 |
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465 |
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466 #define _(x) x |
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467 #define ATTRIBUTE_UNUSED __attribute__((unused)) |
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468 |
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469 /* from libbfd */ |
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470 |
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471 bfd_vma bfd_getl32 (const bfd_byte *addr); |
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472 bfd_vma bfd_getb32 (const bfd_byte *addr); |
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473 bfd_vma bfd_getl16 (const bfd_byte *addr); |
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474 bfd_vma bfd_getb16 (const bfd_byte *addr); |
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475 typedef enum bfd_boolean {false, true} boolean; |
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476 typedef boolean bfd_boolean; |
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477 |
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478 #endif /* ! defined (DIS_ASM_H) */ |