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LLVM-OBJDUMP(1) User Commands LLVM-OBJDUMP(1)

NAME

llvm-objdump - manual page for llvm-objdump 3.8

DESCRIPTION

ERROR: ld.so: object 'libfakeroot-sysv.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored. OVERVIEW: llvm object file dumper
USAGE: llvm-objdump [options] <input object files>
OPTIONS:
General options:
-aarch64-neon-syntax - Choose style of NEON code to emit from AArch64 backend:
=generic
- Emit generic NEON assembly
=apple
- Emit Apple-style NEON assembly
-arch=<string> - architecture(s) from a Mach-O file to dump
-arch-name=<string> - Target arch to disassemble for, see -version for available targets
-archive-headers - Print archive headers for Mach-O archives (requires -macho)
-archive-member-offsets - Print the offset to each archive member for Mach-O archives (requires -macho and -archive-headers)
-bind - Display mach-o binding info
-bounds-checking-single-trap - Use one trap block per function
-color - use colored syntax highlighting (default=autodetect)
-cppfname=<function name> - Specify the name of the generated function
-cppfor=<string> - Specify the name of the thing to generate
-cppgen - Choose what kind of output to generate
=program
- Generate a complete program
=module
- Generate a module definition
=contents
- Generate contents of a module
=function
- Generate a function definition
=functions
- Generate all function definitions
=inline
- Generate an inline function
=variable
- Generate a variable definition
=type
- Generate a type definition
-data-in-code - Print the data in code table for Mach-O objects (requires -macho)
-dis-symname=<string> - disassemble just this symbol's instructions (requires -macho
-disable-spill-fusing - Disable fusing of spill code into instructions
-disassemble - Display assembler mnemonics for the machine instructions
-disassemble-all - Display assembler mnemonics for the machine instructions
-dsym=<string> - Use .dSYM file for debug info
-dylib-id - Print the shared library's id for the dylib Mach-O file (requires -macho)
-dylibs-used - Print the shared libraries used for linked Mach-O files (requires -macho)
-enable-implicit-null-checks - Fold null checks into faulting memory operations
-enable-load-pre -
-enable-objc-arc-opts - enable/disable all ARC Optimizations
-enable-scoped-noalias -
-enable-tbaa -
-exhaustive-register-search - Exhaustive Search for registers bypassing the depth and interference cutoffs of last chance recoloring
-exports-trie - Display mach-o exported symbols
-fault-map-section - Display contents of faultmap section
-filter-print-funcs=<function names> - Only print IR for functions whose name match this for all print-[before|after][-all] options
-full-leading-addr - Print full leading address
-g - Print line information from debug info if available
-gpsize=<uint> - Global Pointer Addressing Size.
The default size is 8.
-imp-null-check-page-size=<uint> - The page size of the target in bytes
-indirect-symbols - Print indirect symbol table for Mach-O objects (requires -macho)
-info-plist - Print the info plist section as strings for Mach-O objects (requires -macho)
-internalize-public-api-file=<filename> - A file containing list of symbol names to preserve
-internalize-public-api-list=<list> - A list of symbol names to preserve
-join-liveintervals - Coalesce copies (default=true)
-lazy-bind - Display mach-o lazy binding info
-limit-float-precision=<uint> - Generate low-precision inline sequences for some float libcalls
-link-opt-hints - Print the linker optimization hints for Mach-O objects (requires -macho)
-macho - Use MachO specific object file parser
-mattr=<a1,+a2,-a3,...> - Target specific attributes
-mcpu=<cpu-name> - Target a specific cpu type (-mcpu= help for details)
-merror-missing-parenthesis - Error for missing parenthesis around predicate registers
-merror-noncontigious-register - Error for register names that aren't contigious
-mfuture-regs - Enable future registers
-mips16-constant-islands - Enable mips16 constant islands.
-mips16-hard-float - Enable mips16 hard float.
-mno-compound - Disable looking for compound instructions for Hexagon
-mno-ldc1-sdc1 - Expand double precision loads and stores to their single precision counterparts
-mno-pairing - Disable looking for duplex instructions for Hexagon
-mwarn-missing-parenthesis - Warn for missing parenthesis around predicate registers
-mwarn-noncontigious-register - Warn for register names that arent contigious
-mwarn-sign-mismatch - Warn for mismatching a signed and unsigned value
-no-discriminators - Disable generation of discriminator information.
-no-leading-addr - Print no leading address
-no-show-raw-insn - When disassembling instructions, do not print the instruction bytes.
-no-symbolic-operands - do not symbolic operands when disassembling (requires -macho)
-non-verbose - Print the info for Mach-O objects in non-verbose or numeric form (requires -macho)
-nvptx-sched4reg - NVPTX Specific: schedule for register pressue
-objc-meta-data - Print the Objective-C runtime meta data for Mach-O files (requires -macho)
-print-after-all - Print IR after each pass
-print-before-all - Print IR before each pass
-print-imm-hex - Use hex format for immediate values
-print-machineinstrs=<pass-name> - Print machine instrs
-private-header - Display only the first format specific file header
-private-headers - Display format specific file headers
-r - Display the relocation entries in the file
-raw-clang-ast - Dump the raw binary contents of the clang AST section
-rdf-dump -
-rdf-limit=<uint> -
-rebase - Display mach-o rebasing info
-regalloc - Register allocator to use
=default
- pick register allocator based on -O option
=basic
- basic register allocator
=fast
- fast register allocator
=greedy
- greedy register allocator
=pbqp
- PBQP register allocator
-rewrite-map-file=<filename> - Symbol Rewrite Map
-rng-seed=<seed> - Seed for the random number generator
-s - Display the content of each section
-sample-profile-check-record-coverage=<N> - Emit a warning if less than N% of records in the input profile are matched to the IR.
-sample-profile-check-sample-coverage=<N> - Emit a warning if less than N% of samples in the input profile are matched to the IR.
-sample-profile-global-cold-threshold=<N> - Top-level functions that account for less than N% of all samples collected in the profile, will be marked as cold for the inliner to consider.
-sample-profile-global-hot-threshold=<N> - Top-level functions that account for more than N% of all samples collected in the profile, will be marked as hot for the inliner to consider.
-sample-profile-inline-hot-threshold=<N> - Inlined functions that account for more than N% of all samples collected in the parent function, will be inlined again.
-sample-profile-max-propagate-iterations=<uint> - Maximum number of iterations to go through when propagating sample block/edge weights through the CFG.
-section=<string> - Operate on the specified sections only. With -macho dump segment,section
-section-headers - Display summaries of the headers for each section.
-stackmap-version=<int> - Specify the stackmap encoding version (default = 1)
-stats - Enable statistics output from program (available with Asserts)
-summary-file=<string> - The summary file to use for function importing.
-t - Display the symbol table
-time-passes - Time each pass, printing elapsed time for each on exit
-triple=<string> - Target triple to disassemble for, see -version for available targets
-universal-headers - Print Mach-O universal headers (requires -macho)
-unwind-info - Display unwind information
-verify-debug-info -
-verify-dom-info - Verify dominator info (time consuming)
-verify-loop-info - Verify loop info (time consuming)
-verify-regalloc - Verify during register allocation
-verify-region-info - Verify region info (time consuming)
-verify-scev - Verify ScalarEvolution's backedge taken counts (slow)
-weak-bind - Display mach-o weak binding info
-x86-asm-syntax - Choose style of code to emit from X86 backend:
=att
- Emit AT&T-style assembly
=intel
- Emit Intel-style assembly
Generic Options:
-help - Display available options (-help-hidden for more)
-help-list - Display list of available options (-help-list-hidden for more)
-version - Display the version of this program

SEE ALSO

The full documentation for llvm-objdump is maintained as a Texinfo manual. If the info and llvm-objdump programs are properly installed at your site, the command
info llvm-objdump
should give you access to the complete manual.
October 2016 llvm-objdump 3.8