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1 .\" Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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2 .\" See https://llvm.org/LICENSE.txt for license information.
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3 .\" SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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4 .\"
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5 .Dd December 19, 2018
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6 .Dt LLVM-OBJDUMP 1
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7 .Os
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8 .Sh NAME
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9 .Nm llvm-objdump
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10 .Nd LLVM object file dumper
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11 .Sh SYNOPSIS
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12 .Nm llvm-objdump
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13 .Op Ar options
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14 .Ar objfile ...
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15 .Sh DESCRIPTION
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16 .Nm
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17 prints the contents of object files and final linked images named on the
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18 command line.
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19 If no file name is specified,
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20 .Nm
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21 will attempt to read from
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22 .Pa a.out .
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23 If
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24 .Pa -
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25 is used as a file name,
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26 .Nm
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27 will process a file on its standard input stream.
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28 .Nm
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29 accepts many of the same command line arguments as GNU objdump.
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30 .Sh OPTIONS
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31 .Ss General Options
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32 .Bl -tag -width indent
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33 .It Fl -aarch64-neon-syntax Ns = Ns Ar value
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34 Choose style of NEON code to emit from AArch64 backend.
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35 .Ar value
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36 may be one of:
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37 .Bl -tag -width indent
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38 .It generic
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39 Generic NEON assembly
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40 .It apple
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41 Apple-style NEON assembly
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42 .El
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43 .It Fl -arch Ns = Ns Ar value
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44 Choose architecture(s) from a Mach-O file to dump
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45 .It Fl -arch-name Ns = Ns ar arch
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46 Target arch to disassemble for.
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47 See
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48 .Fl -version
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49 for available targets.
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50 .It Fl -bind
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51 Display mach-o binding info.
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52 .It Fl -color
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53 Use colored syntax highlighting.
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54 Default autodetect.
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55 .It Fl -disassemble
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56 Display assembler mnemonics for machine instructions.
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57 .It Fl -disassemble-all
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58 Display assembler mnemonics for the machine instruction in all sections.
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59 .It Fl -dsym Ns = Ns Ar file
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60 Use
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61 .Ar file
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62 for debug info.
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63 .It Fl -dwarf Ns = Ns Ar sections
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64 Dump of dwarf debug sections.
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65 .Bl -tag -width indent
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66 .It frames
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67 .Dv .debug_frame
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68 .El
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69 .It Fl -exports-trie
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70 Display mach-o exported symbols.
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71 .It Fl -fault-map-section
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72 Display contents of faultmap section.
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73 .It Fl -filter-print-funcs Ns = Ns Ar functions
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74 Only print IR for functions whose name match
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75 .Ar functions
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76 for all print-[before|after][-all] options.
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77 .It Fl -full-leading-addr
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78 Print full leading address.
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79 .It Fl g
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80 Print line information from debug info if available.
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81 .It Fl h , -headers , -section-headers
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82 Display summaries of the headers for each section.
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83 .It Fl -help
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84 Display available options.
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85 Use
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86 .Fl -help-hidden
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87 for more.
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88 .It Fl -lazy-bind
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89 Display mach-o lazy binding info.
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90 .It Fl -line-numbers
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91 Display source line numbers with disassembly.
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92 Implies disassemble object.
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93 .It Fl -macho
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94 Use MachO specific object file parser.
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95 .It Fl -mattr Ns = Ns Ar attribute ...
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96 Target specific attributes.
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97 .It Fl -mcpu Ns = Ns Ar CPU
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98 Target a specific cpu type.
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99 Use
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100 .Fl mcpu Ns = Ns help
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101 for details.
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102 .It Fl -no-leading-addr
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103 Print no leading address.
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104 .It Fl -no-leading-headers
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105 Print no leading headers.
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106 .It Fl -no-show-raw-insn
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107 When disassembling instructions, do not print the instruction bytes.
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108 .It Fl -print-imm-hex
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109 Use hex format for immediate values.
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110 .It Fl -private-header
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111 Display only the first format specific file header.
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112 .It Fl -private-headers
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113 Display format specific file headers.
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114 .It Fl r
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115 Display the relocation entries in the file.
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116 .It Fl -raw-clang-ast
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117 Dump the raw binary contents of the clang AST section.
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118 .It Fl -rebase
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119 Display mach-o rebasing info.
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120 .It Fl -reverse-iterate
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121 Reverse iterate.
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122 .It Fl s
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123 Display the content of each section.
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124 .It Fl -section Ns = Ns Ar section
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125 Operate on the specified sections only.
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126 With
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127 .Fl -macho
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128 dump segment,section.
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129 .It Fl -source
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130 Display source inline with disassembly.
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131 Implies disassmble object.
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132 .It Fl -start-address Ns = Ns Ar address
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133 Disassemble beginning at
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134 .Ar address .
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135 .It Fl -stop-address Ns = Ns Ar address
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136 Stop disassembly at
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137 .Ar address .
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138 .It Fl t
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139 Display the symbol table.
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140 .It Fl -triple Ns = Ns Ar triple
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141 Target triple to disassemble for.
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142 See
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143 .Fl -version
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144 for available targets.
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145 .It Fl -unwind-info
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146 Display unwind information.
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147 .It Fl -version
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148 Display the version of this program.
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149 .It Fl -weak-bind
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150 Display mach-o weak binding info.
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151 .It Fl -x86-asm-syntax Ns = Ns Ar syntax
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152 Choose style of code to emit from X86 backend.
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153 .Bl -tag -width indent
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154 .It att
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155 Emit AT&T-style assembly.
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156 .It intel
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157 Emit Intel-style assembly.
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158 .El
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159 .El
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160 .Ss Mach-O Options
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161 There are a number of options specific to the Mach-O format.
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162 These are used in combination with the
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163 .Fl -macho
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164 option.
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165 .Bl -tag -width indent
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166 .It Fl -archive-headers
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167 Print archive headers for Mach-O archives.
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168 .It Fl -archive-member-offsets
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169 Print the offset to each archive member for Mach-O archives.
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170 Requires
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171 .Fl -macho
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172 and
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173 .Fl -archive-headers .
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174 .It Fl -data-in-code
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175 Print the data in code table for Mach-O objects.
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176 .It Fl -dis-symname Ns = Ns Ar symbol
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177 Disassemble just
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178 .Ar symbol 's
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179 instructions.
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180 .It Fl -dylib-id
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181 Print the shared library's id for the dylib Mach-O file.
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182 .It Fl -dylibs-used
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183 Print the shared libraries used for linked Mach-O files.
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184 .It Fl -indirect-symbols
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185 Print indirect symbol table for Mach-O objects.
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186 .It Fl -info-plist
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187 Print the info plist section as strings for Mach-O objects.
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188 .It Fl -link-opt-hints
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189 Print the linker optimization hints for Mach-O objects.
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190 .It Fl -no-symbolic-operands
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191 do not symbolic operands when disassembling.
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192 .It Fl -non-verbose
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193 Print the info for Mach-O objects in non-verbose or numeric form.
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194 .It Fl -objc-meta-data
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195 Print the Objective-C runtime meta data for Mach-O files.
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196 .It Fl -universal-headers
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197 Print Mach-O universal headers.
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198 .El
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