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39a9ec9e1c
The option --no-print-imm-hex was not included in the command guide for llvm-objdump but appears in the help text. This commit adds it to the command guide. Differential Revision: https://reviews.llvm.org/D104717
405 lines
9.8 KiB
ReStructuredText
405 lines
9.8 KiB
ReStructuredText
llvm-objdump - LLVM's object file dumper
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========================================
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.. program:: llvm-objdump
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SYNOPSIS
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--------
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:program:`llvm-objdump` [*commands*] [*options*] [*filenames...*]
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DESCRIPTION
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-----------
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The :program:`llvm-objdump` utility prints the contents of object files and
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final linked images named on the command line. If no file name is specified,
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:program:`llvm-objdump` will attempt to read from *a.out*. If *-* is used as a
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file name, :program:`llvm-objdump` will process a file on its standard input
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stream.
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COMMANDS
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--------
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At least one of the following commands are required, and some commands can be
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combined with other commands:
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.. option:: -a, --archive-headers
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Display the information contained within an archive's headers.
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.. option:: -d, --disassemble
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Disassemble all text sections found in the input files.
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.. option:: -D, --disassemble-all
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Disassemble all sections found in the input files.
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.. option:: --disassemble-symbols=<symbol1[,symbol2,...]>
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Disassemble only the specified symbols. Takes demangled symbol names when
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:option:`--demangle` is specified, otherwise takes mangled symbol names.
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Implies :option:`--disassemble`.
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.. option:: --dwarf=<value>
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Dump the specified DWARF debug sections. The supported values are:
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`frames` - .debug_frame
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.. option:: -f, --file-headers
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Display the contents of the overall file header.
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.. option:: --fault-map-section
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Display the content of the fault map section.
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.. option:: -h, --headers, --section-headers
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Display summaries of the headers for each section.
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.. option:: --help
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Display usage information and exit. Does not stack with other commands.
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.. option:: -p, --private-headers
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Display format-specific file headers.
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.. option:: -r, --reloc
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Display the relocation entries in the file.
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.. option:: -R, --dynamic-reloc
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Display the dynamic relocation entries in the file.
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.. option:: --raw-clang-ast
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Dump the raw binary contents of the clang AST section.
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.. option:: -s, --full-contents
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Display the contents of each section.
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.. option:: -t, --syms
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Display the symbol table.
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.. option:: -T, --dynamic-syms
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Display the contents of the dynamic symbol table.
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.. option:: -u, --unwind-info
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Display the unwind info of the input(s).
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.. option:: -v, --version
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Display the version of the :program:`llvm-objdump` executable. Does not stack
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with other commands.
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.. option:: -x, --all-headers
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Display all available header information. Equivalent to specifying
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:option:`--archive-headers`, :option:`--file-headers`,
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:option:`--private-headers`, :option:`--reloc`, :option:`--section-headers`,
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and :option:`--syms`.
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OPTIONS
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-------
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:program:`llvm-objdump` supports the following options:
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.. option:: --adjust-vma=<offset>
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Increase the displayed address in disassembly or section header printing by
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the specified offset.
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.. option:: --arch-name=<string>
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Specify the target architecture when disassembling. Use :option:`--version`
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for a list of available targets.
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.. option:: -C, --demangle
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Demangle symbol names in the output.
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.. option:: --debug-vars=<format>
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Print the locations (in registers or memory) of source-level variables
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alongside disassembly. ``format`` may be ``unicode`` or ``ascii``, defaulting
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to ``unicode`` if omitted.
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.. option:: --debug-vars-indent=<width>
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Distance to indent the source-level variable display, relative to the start
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of the disassembly. Defaults to 52 characters.
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.. option:: -j, --section=<section1[,section2,...]>
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Perform commands on the specified sections only. For Mach-O use
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`segment,section` to specify the section name.
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.. option:: -l, --line-numbers
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When disassembling, display source line numbers. Implies
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:option:`--disassemble`.
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.. option:: -M, --disassembler-options=<opt1[,opt2,...]>
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Pass target-specific disassembler options. Available options:
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* ``reg-names-std``: ARM only (default). Print in ARM 's instruction set documentation, with r13/r14/r15 replaced by sp/lr/pc.
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* ``reg-names-raw``: ARM only. Use r followed by the register number.
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* ``no-aliases``: AArch64 and RISC-V only. Print raw instruction mnemonic instead of pesudo instruction mnemonic.
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* ``numeric``: RISC-V only. Print raw register names instead of ABI mnemonic. (e.g. print x1 instead of ra)
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* ``att``: x86 only (default). Print in the AT&T syntax.
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* ``intel``: x86 only. Print in the intel syntax.
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.. option:: --mcpu=<cpu-name>
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Target a specific CPU type for disassembly. Specify ``--mcpu=help`` to display
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available CPUs.
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.. option:: --mattr=<a1,+a2,-a3,...>
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Enable/disable target-specific attributes. Specify ``--mattr=help`` to display
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the available attributes.
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.. option:: --no-leading-addr
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When disassembling, do not print leading addresses.
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.. option:: --no-print-imm-hex
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Do not use hex format for immediate values in disassembly output (default).
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.. option:: --no-show-raw-insn
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When disassembling, do not print the raw bytes of each instruction.
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.. option:: --prefix=<prefix>
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When disassembling with the :option:`--source` option, prepend ``prefix`` to
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absolute paths.
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.. option:: --prefix-strip=<level>
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When disassembling with the :option:`--source` option, strip out ``level``
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initial directories from absolute paths. This option has no effect without
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:option:`--prefix`.
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.. option:: --print-imm-hex
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Use hex format when printing immediate values in disassembly output.
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.. option:: -S, --source
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When disassembling, display source interleaved with the disassembly. Implies
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:option:`--disassemble`.
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.. option:: --show-lma
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Display the LMA column when dumping ELF section headers. Defaults to off
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unless any section has different VMA and LMAs.
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.. option:: --start-address=<address>
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When disassembling, only disassemble from the specified address.
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When printing relocations, only print the relocations patching offsets from at least ``address``.
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When printing symbols, only print symbols with a value of at least ``address``.
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.. option:: --stop-address=<address>
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When disassembling, only disassemble up to, but not including the specified address.
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When printing relocations, only print the relocations patching offsets up to ``address``.
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When printing symbols, only print symbols with a value up to ``address``.
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.. option:: --symbolize-operands
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When disassembling, symbolize a branch target operand to print a label instead of a real address.
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When printing a PC-relative global symbol reference, print it as an offset from the leading symbol.
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Only works with an X86 linked image.
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Example:
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A non-symbolized branch instruction with a local target and pc-relative memory access like
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.. code-block:: none
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cmp eax, dword ptr [rip + 4112]
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jge 0x20117e <_start+0x25>
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might become
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.. code-block:: none
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<L0>:
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cmp eax, dword ptr <g>
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jge <L0>
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.. option:: --triple=<string>
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Target triple to disassemble for, see ``--version`` for available targets.
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.. option:: -w, --wide
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Ignored for compatibility with GNU objdump.
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.. option:: --x86-asm-syntax=<style>
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Deprecated.
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When used with :option:`--disassemble`, choose style of code to emit from
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X86 backend. Supported values are:
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.. option:: att
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AT&T-style assembly
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.. option:: intel
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Intel-style assembly
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The default disassembly style is **att**.
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.. option:: -z, --disassemble-zeroes
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Do not skip blocks of zeroes when disassembling.
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.. option:: @<FILE>
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Read command-line options and commands from response file `<FILE>`.
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MACH-O ONLY OPTIONS AND COMMANDS
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--------------------------------
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.. option:: --arch=<architecture>
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Specify the architecture to disassemble. see ``--version`` for available
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architectures.
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.. option:: --archive-member-offsets
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Print the offset to each archive member for Mach-O archives (requires
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:option:`--archive-headers`).
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.. option:: --bind
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Display binding info
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.. option:: --data-in-code
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Display the data in code table.
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.. option:: --dis-symname=<name>
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Disassemble just the specified symbol's instructions.
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.. option:: --dylibs-used
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Display the shared libraries used for linked files.
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.. option:: --dsym=<string>
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Use .dSYM file for debug info.
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.. option:: --dylib-id
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Display the shared library's ID for dylib files.
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.. option:: --exports-trie
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Display exported symbols.
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.. option:: --function-starts
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Print the function starts table for Mach-O objects.
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.. option:: -g
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Print line information from debug info if available.
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.. option:: --full-leading-addr
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Print the full leading address when disassembling.
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.. option:: --indirect-symbols
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Display the indirect symbol table.
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.. option:: --info-plist
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Display the info plist section as strings.
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.. option:: --lazy-bind
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Display lazy binding info.
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.. option:: --link-opt-hints
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Display the linker optimization hints.
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.. option:: -m, --macho
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Use Mach-O specific object file parser. Commands and other options may behave
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differently when used with ``--macho``.
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.. option:: --no-leading-headers
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Do not print any leading headers.
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.. option:: --no-symbolic-operands
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Do not print symbolic operands when disassembling.
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.. option:: --non-verbose
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Display the information for Mach-O objects in non-verbose or numeric form.
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.. option:: --objc-meta-data
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Display the Objective-C runtime meta data.
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.. option:: --private-header
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Display only the first format specific file header.
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.. option:: --rebase
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Display rebasing information.
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.. option:: --rpaths
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Display runtime search paths for the binary.
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.. option:: --universal-headers
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Display universal headers.
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.. option:: --weak-bind
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Display weak binding information.
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XCOFF ONLY OPTIONS AND COMMANDS
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---------------------------------
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.. option:: --symbol-description
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Add symbol description to disassembly output.
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BUGS
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----
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To report bugs, please visit <https://bugs.llvm.org/>.
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SEE ALSO
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--------
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:manpage:`llvm-nm(1)`, :manpage:`llvm-otool(1)`, :manpage:`llvm-readelf(1)`,
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:manpage:`llvm-readobj(1)`
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