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LLVM-OBJDUMP(1) | User Commands | LLVM-OBJDUMP(1) |
NAME¶
llvm-objdump - manual page for llvm-objdump 3.8DESCRIPTION¶
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
-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
October 2016 | llvm-objdump 3.8 |