1LLVM-OBJDUMP(1)                      LLVM                      LLVM-OBJDUMP(1)
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NAME

6       llvm-objdump - LLVM's object file dumper
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SYNOPSIS

9       llvm-objdump [commands] [options] [filenames...]
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DESCRIPTION

12       The  llvm-objdump utility prints the contents of object files and final
13       linked images named on the command line. If no file name is  specified,
14       llvm-objdump  will  attempt  to read from a.out. If - is used as a file
15       name, llvm-objdump will process a file on its standard input stream.
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COMMANDS

18       At least one of the following commands are required, and some  commands
19       can be combined with other commands:
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21       -a, --archive-headers
22              Display the information contained within an archive's headers.
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24       -d, --disassemble
25              Disassemble all text sections found in the input files.
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27       -D, --disassemble-all
28              Disassemble all sections found in the input files.
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30       --disassemble-symbols=<symbol1[,symbol2,...]>
31              Disassemble  only  the specified symbols. Takes demangled symbol
32              names when --demangle is specified, otherwise takes mangled sym‐
33              bol names.  Implies --disassemble.
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35       --dwarf=<value>
36              Dump  the  specified  DWARF debug sections. The supported values
37              are:
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39              frames - .debug_frame
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41       -f, --file-headers
42              Display the contents of the overall file header.
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44       --fault-map-section
45              Display the content of the fault map section.
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47       -h, --headers, --section-headers
48              Display summaries of the headers for each section.
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50       --help Display usage information and exit. Does not  stack  with  other
51              commands.
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53       -p, --private-headers
54              Display format-specific file headers.
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56       -r, --reloc
57              Display the relocation entries in the file.
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59       -R, --dynamic-reloc
60              Display the dynamic relocation entries in the file.
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62       --raw-clang-ast
63              Dump the raw binary contents of the clang AST section.
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65       -s, --full-contents
66              Display the contents of each section.
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68       -t, --syms
69              Display the symbol table.
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71       -T, --dynamic-syms
72              Display the contents of the dynamic symbol table.
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74       -u, --unwind-info
75              Display the unwind info of the input(s).
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77       --version
78              Display  the  version  of  the llvm-objdump executable. Does not
79              stack with other commands.
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81       -x, --all-headers
82              Display all available header information. Equivalent to specify‐
83              ing    --archive-headers,   --file-headers,   --private-headers,
84              --reloc, --section-headers, and --syms.
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OPTIONS

87       llvm-objdump supports the following options:
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89       --adjust-vma=<offset>
90              Increase the displayed address in disassembly or section  header
91              printing by the specified offset.
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93       --arch-name=<string>
94              Specify   the   target   architecture  when  disassembling.  Use
95              --version for a list of available targets.
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97       -C, --demangle
98              Demangle symbol names in the output.
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100       --debug-vars=<format>
101              Print the locations (in registers  or  memory)  of  source-level
102              variables alongside disassembly. format may be unicode or ascii,
103              defaulting to unicode if omitted.
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105       --debug-vars-indent=<width>
106              Distance to indent the source-level variable  display,  relative
107              to the start of the disassembly. Defaults to 40 characters.
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109       -j, --section=<section1[,section2,...]>
110              Perform  commands on the specified sections only. For Mach-O use
111              segment,section to specify the section name.
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113       -l, --line-numbers
114              When  disassembling,  display  source  line   numbers.   Implies
115              --disassemble.
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117       -M, --disassembler-options=<opt1[,opt2,...]>
118              Pass  target-specific  disassembler options. Currently supported
119              for ARM targets only. Available options  are  reg-names-std  and
120              reg-names-raw.
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122       --mcpu=<cpu-name>
123              Target  a specific CPU type for disassembly. Specify --mcpu=help
124              to display available CPUs.
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126       --mattr=<a1,+a2,-a3,...>
127              Enable/disable target-specific attributes.  Specify  --mcpu=help
128              to display the available attributes.
129
130       --no-leading-addr
131              When disassembling, do not print leading addresses.
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133       --no-show-raw-insn
134              When  disassembling, do not print the raw bytes of each instruc‐
135              tion.
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137       --print-imm-hex
138              Use hex format when printing  immediate  values  in  disassembly
139              output.
140
141       -S, --source
142              When  disassembling,  display source interleaved with the disas‐
143              sembly. Implies --disassemble.
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145       --show-lma
146              Display the LMA column when dumping  ELF  section  headers.  De‐
147              faults to off unless any section has different VMA and LMAs.
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149       --start-address=<address>
150              When disassembling, only disassemble from the specified address.
151
152              When  printing  relocations, only print the relocations patching
153              offsets from at least address.
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155              When printing symbols, only print symbols with  a  value  of  at
156              least address.
157
158       --stop-address=<address>
159              When  disassembling,  only  disassemble up to, but not including
160              the specified address.
161
162              When printing relocations, only print the  relocations  patching
163              offsets up to address.
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165              When printing symbols, only print symbols with a value up to ad‐
166              dress.
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168       --triple=<string>
169              Target triple to disassemble for, see  --version  for  available
170              targets.
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172       -w, --wide
173              Ignored for compatibility with GNU objdump.
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175       --x86-asm-syntax=<style>
176              When  used with --disassemble, choose style of code to emit from
177              X86 backend. Supported values are:
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179                 att    AT&T-style assembly
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181                 intel  Intel-style assembly
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183              The default disassembly style is att.
184
185       -z, --disassemble-zeroes
186              Do not skip blocks of zeroes when disassembling.
187
188       @<FILE>
189              Read  command-line  options  and  commands  from  response  file
190              <FILE>.
191

MACH-O ONLY OPTIONS AND COMMANDS

193       --arch=<architecture>
194              Specify  the  architecture  to  disassemble.  see  --version for
195              available architectures.
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197       --archive-member-offsets
198              Print the offset to each archive member for Mach-O archives (re‐
199              quires --archive-headers).
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201       --bind Display binding info
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203       --cfg  Create a CFG for every symbol in the object file and write it to
204              a graphviz file.
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206       --data-in-code
207              Display the data in code table.
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209       --dis-symname=<name>
210              Disassemble just the specified symbol's instructions.
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212       --dylibs-used
213              Display the shared libraries used for linked files.
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215       --dsym=<string>
216              Use .dSYM file for debug info.
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218       --dylib-id
219              Display the shared library's ID for dylib files.
220
221       --exports-trie
222              Display exported symbols.
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224       -g     Print line information from debug info if available.
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226       --full-leading-addr
227              Print the full leading address when disassembling.
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229       --indirect-symbols
230              Display the indirect symbol table.
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232       --info-plist
233              Display the info plist section as strings.
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235       --lazy-bind
236              Display lazy binding info.
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238       --link-opt-hints
239              Display the linker optimization hints.
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241       -m, --macho
242              Use Mach-O specific object file parser. Commands and  other  op‐
243              tions may behave differently when used with --macho.
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245       --no-leading-headers
246              Do not print any leading headers.
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248       --no-symbolic-operands
249              Do not print symbolic operands when disassembling.
250
251       --non-verbose
252              Display the information for Mach-O objects in non-verbose or nu‐
253              meric form.
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255       --objc-meta-data
256              Display the Objective-C runtime meta data.
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258       --private-header
259              Display only the first format specific file header.
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261       --rebase
262              Display rebasing information.
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264       --universal-headers
265              Display universal headers.
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267       --weak-bind
268              Display weak binding information.
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XCOFF ONLY OPTIONS AND COMMANDS

271       --symbol-description
272              Add symbol description to disassembly output.
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BUGS

275       To report bugs, please visit <https://bugs.llvm.org/>.
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SEE ALSO

278       llvm-nm(1), llvm-readelf(1), llvm-readobj(1)
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AUTHOR

281       Maintained by the LLVM Team (https://llvm.org/).
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284       2003-2021, LLVM Project
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28911                                2021-03-23                   LLVM-OBJDUMP(1)
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