OBJDUMP(1) GNU Development Tools OBJDUMP(1) (NAME) aarch64-linux-gnu-objdump - AArch64 (SYNOPSIS) objdump [-a|--archive-headers] [-b bfdname|--target=bfdname] [-C|--demangle[=style] ] [-d|--disassemble[=symbol]] [-D|--disassemble-all] [-z|--disassemble-zeroes] [-EB|-EL|--endian={big | little }] [-f|--file-headers] [-F|--file-offsets] [--file-start-context] [-g|--debugging] [-e|--debugging-tags] [-h|--section-headers|--headers] [-i|--info] [-j section|--section=section] [-l|--line-numbers] [-S|--source] [--source-comment[=text]] [-m machine|--architecture=machine] [-M options|--disassembler-options=options] [-p|--private-headers] [-P options|--private=options] [-r|--reloc] [-R|--dynamic-reloc] [-s|--full-contents] [-Z|--decompress] [-W|--dwarf] [-Wa|--dwarf=abbrev] [-WA|--dwarf=addr] [-Wr|--dwarf=aranges] [-Wc|--dwarf=cu_index] [-WL|--dwarf=decodedline] [-Wf|--dwarf=frames] [-WF|--dwarf=frames-interp] [-Wg|--dwarf=gdb_index] [-Wi|--dwarf=info] [-Wk|--dwarf=links] [-Wo|--dwarf=loc] [-Wm|--dwarf=macro] [-Wp|--dwarf=pubnames] [-Wt|--dwarf=pubtypes] [-WR|--dwarf=Ranges] [-Wl|--dwarf=rawline] [-Ws|--dwarf=str] [-WO|--dwarf=str-offsets] [-Wu|--dwarf=trace_abbrev] [-WT|--dwarf=trace_aranges] [-WU|--dwarf=trace_info] [-WK|--dwarf=follow-links] [-WN|--dwarf=no-follow-links] [-WD|--dwarf=use-debuginfod] [-WE|--dwarf=do-not-use-debuginfod] [--debug-dir=dir] [--map-global-vars] [-L|--process-links] [--ctf=section] [--sframe=section] [-G|--stabs] [-t|--syms] [-T|--dynamic-syms] [-x|--all-headers] [-w|--wide] [--start-address=address] [--stop-address=address] [--no-addresses] [--prefix-addresses] [--[no-]show-raw-insn] [--adjust-vma=offset] [--show-all-symbols] [--dwarf-depth=n] [--dwarf-start=n] [--ctf-parent=section] [--no-recurse-limit|--recurse-limit] [--special-syms] [--prefix=prefix] [--prefix-strip=level] [--insn-width=width] [--visualize-jumps[=color|=extended-color|=off] [--disassembler-color=[off|terminal|on|extended] [-U method] [--unicode=method] [-V|--version] [-H|--help] objfile... (DESCRIPTION) objdump . . . objfile... . objdump . (OPTIONS) . -a,-d,-D,-e,-f,-g,-G,-h,-H,-p,-P,-r,-R,-s,-S,-t,-T,-V,-x . -a --archive-header objfile ( ls -l) . ar tv objdump -a . --adjust-vma=offset offset . a.out. -b bfdname --target=bfdname bfdname . objdump . objdump -b oasys -m vax -h fu.o (-h) fu.o (-m) VAX Oasys . -i . -C --demangle[=style] (demangle) . ++C . . . --recurse-limit --no-recurse-limit --recursion-limit --no-recursion-limit (recursion) . (stack) . . . . -g --debugging . STABS C . STABS -W DWARF . -e --debugging-tags -g ctags . -d --disassemble --disassemble=symbol (mnemonics) . . symbol ( ) () symbol . symbol . symbol . --dwarf=follow-links . -D --disassemble-all -d bss . -j . . -d objdump . -D . -d -D . ARM . --dwarf=follow-links . --no-addresses . --no-show-raw-insn . --prefix-addresses . . -EB -EL --endian={big|little} . . S- records . -f --file-headers objfile . -F --file-offsets . . . --file-start-context / ( -S) . -h --section-headers --headers . -Ttext -Tdata -Tbss ld. a.out . ld objdump -h . . READONLY NOREAD . NOREAD objdump . -H --help objdump . -i --info -b -m . -j name --section=name name . . --map-global-vars . . DWARF2 . . -L --process-links debuginfo . -WK . -l --line-numbers ( ) . -d -D -r . -m machine --architecture=machine . S-records . -i . . foo:bar bar foo . objdump . ARM . machine . -marm . -M options --disassembler-options=options . . -M . ARC dsp DSP spfp FP FPX dpfp FP FPX quarkse_em QuarkSE-EM fpuda fpus FP FPU fpud FP FPU . hex . . cpu=... ISA -m ELF (override) . ARC EM HS ISA ELF EM HS. - . -mcpu=... . ARM . -M reg-names-std () ARM 'sp' 'lr' 'pc' . -M reg-names-apcs ARM -M reg-names-raw r . APCS -M reg-names-atpcs -M reg-names-special-atpcs ARM/Thumb ( ). ARM Thumb --disassembler-options=force-thumb . thumb . AArch64 -M no-aliases -M notes . -M annotate . . . . x86 -m . "x86-64" "i386" "i8086" . "intel" "att" (intel) AT&T . "amd64" "intel64" AMD64 ISA Intel64 ISA . "intel-mnemonic" "att-mnemonic" AT&T . : "intel-mnemonic" "intel" "att-mnemonic" "att" . "addr64" "addr32" "addr16" "data32" "data16" . "x86-64" "i386" "i8086" . "suffix" AT&T Intel ( ) . "annotate-immediates" . . PowerPC raw -M . "clrlwi" "rlwinm" "li" "addi" . -m gas (CPU) . : 403, 405, 440, 464, 476, 601, 603, 604, 620, 7400, 7410, 7450, 7455, 750cl, 821, 850, 860, a2, booke, booke32, cell, com, e200z2, e200z4, e300, e500, e500mc, e500mc64, e500x2, e5500, e6500, efs, power4, power5, power6, power7, power8, power9, power10, power11, ppc, ppc32, ppc64, ppc64bridge, ppcps, pwr, pwr2, pwr4, pwr5, pwr5x, pwr6, pwr7, pwr8, pwr9, pwr10, pwr11, pwrx, titan, vle future. 32 64 . altivec any lsp htm vsx spe spe2 . any binutils . BFD . RISC-V : "max" . ISA ( ) . ELF ISA ISA ISA ("rv64gc") . "numeric" ABI ( "x2" "sp"). "no-aliases" (canonical). ("addi sp,sp,-128" "c.addi16sp sp,-128" ). "priv-spec=SPEC" CSR ( 1.10 1.11 1.12 1.13). MIPS . : "no-aliases" <<>> . 'daddu' 'or' 'move' 'sll' 'nop' . "msa" MSA. "virt" ASE. "xpa" ASE (XPA). "gpr-names=ABI" GPR ( ) ABI . GPR ABI . "fpr-names=ABI" FPR ( ) ABI . FPR . "cp0-names=ARCH" CP0 ( ) CPU ARCH. CP0 . "hwr-names=ARCH" HWR ( "rdhwr") CPU ARCH. HWR . "reg-names=ABI" GPR FPR ABI . "reg-names=ARCH" ( CP0 HWR) CPU . ABI ARCH numeric . ABI ARCH --help . VAX -M entry:0xf00ba . VAX ( ROM) . VAX . -p --private-headers . . . -P options --private=options . options ( ). XCOFF : "header" "aout" "sections" "syms" "relocs" "lineno," "loader" "except" "typchk" "traceback" "toc" "ldinfo" PE : "header" "sections" ELF . -r --reloc (relocation) . -d -D . -R --dynamic-reloc . . -r -d -D . : objdump RELR . readelf . -s --full-contents -j . bss . . -Z . -S --source . -d . --show-all-symbols . --source-comment[=txt] -S txt . txt () . txt "# " ( ) . --prefix=prefix prefix () -S . --prefix-strip=level . --prefix=prefix . --show-raw-insn . --prefix-addresses . --no-show-raw-insn . --prefix-addresses . --insn-width=width width . --visualize-jumps[=color|=extended-color|=off] (ASCII art) . =color . =extended-color . visualize-jumps visualize-jumps=off . --disassembler-color=off --disassembler-color=terminal --disassembler-color=on|color|colour --disassembler-color=extended|extended-color|extended-colour (Syntax Highlighting) . . . on . terminal . extended-color on . . off . -W[lLiaprmfFsoORtUuTgAckK] --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=str-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links,=follow-links] DWARF . ( ) . (dump) . : "a" "=abbrev" .debug_abbrev . "A" "=addr" .debug_addr . "c" "=cu_index" .debug_cu_index / .debug_tu_index . "f" "=frames" .debug_frame . "F" "=frames-interp" .debug_frame . "g" "=gdb_index" .gdb_index / .debug_names . "i" "=info" .debug_info . : --dwarf-depth --dwarf-start . "k" "=links" .gnu_debuglink .gnu_debugaltlink .debug_sup . DWARF (dwo) DW_AT_GNU_dwo_name DW_AT_dwo_name .debug_info . "K" "=follow-links" () . . DWARF . - . N . binutils --enable-follow-debug-links=yes --enable-follow-debug-links=no . . - debuginfod binutils debuginfod DEBUGINFOD_URLS . . =do-not-use-debuginfod . "N" "=no-follow-links" . "D" "=use-debuginfod" debuginfod . . "E" "=do-not-use-debuginfod" debuginfod . "l" "=rawline" .debug_line . "L" "=decodedline" .debug_line . "m" "=macro" .debug_macro / .debug_macinfo . "o" "=loc" .debug_loc / .debug_loclists . "O" "=str-offsets" .debug_str_offsets . "p" "=pubnames" .debug_pubnames / .debug_gnu_pubnames . "r" "=aranges" .debug_aranges . "R" "=Ranges" .debug_ranges / .debug_rnglists . "s" "=str" .debug_str .debug_line_str / .debug_str_offsets . "t" "=pubtype" .debug_pubtypes / .debug_gnu_pubtypes . "T" "=trace_aranges" .trace_aranges . "u" "=trace_abbrev" .trace_abbrev . "U" "=trace_info" .trace_info . : .debug_static_funcs .debug_static_vars debug_weaknames . --dwarf-depth=n ".debug_info" n . --debug-dump=info . DIE 0 n . n DIE n . n . --dwarf-start=n DIE DIE n . --debug-dump=info . DIE DIE n . DIE . --dwarf-depth . --dwarf-check Dwarf . --debug-dir=dir dir . --ctf[=section] CTF . CTF . .ctf ld . --ctf-parent=member CTF CTF . .ctf "ctf_link_set_memb_name_changer" . CTF --ctf-parent . --ctf-parent-section=section CTF . ELF . CTF objcopy objcopy ELF CTF . --sframe[=section] SFrame . .sframe ld . -G --stabs . .stab .stab.index .stab.excl ELF . ( Solaris 2.0) ".stab" ELF . --syms . --start-address=address . -d -r -s . --stop-address=address . -d -r -s . -t --syms (Symbol Table) . nm . . : [ 4](sec 3)(fl 0x00)(ty 0)(scl 3) (nx 1) 0x00000000 .bss [ 6](sec 1)(fl 0x00)(ty 0)(scl 2) (nx 0) 0x00000000 fred sec fl ty scl nx . . ELF : 00000000 l d .bss 00000000 .bss 00000000 g .text 00000000 fred ( ). . . *ABS* ( ) *UND* . (Alignment) (Size) . . : "l" "g" "u" "!" (l) (g) (u) ( ) (!) . ( ) () . ELF . . "w" (w / Weak) ( ) . "C" (C / Constructor) ( ) . "W" (W / Warning) ( ) . . "I" "i" (I) (i) ( ) . "d" "D" (d) (D) ( ) . "F" "f" "O" (F) (f) (O) ( ) . -T --dynamic-syms . . nm -D (--dynamic) . --syms . . --special-syms . -U [d|i|l|e|x|h] --unicode=[default|invalid|locale|escape|hex|highlight] UTF-8 . (--unicode=default) . --unicode=locale () . --unicode=hex --unicode=invalid . --unicode=escape (\uxxxx) --unicode=highlight ( ) . . -V --version objdump . -x --all-headers . -x -a -f -h -p -r -t . -w --wide . . -z --disassemble-zeroes . . -Z --decompress -Z -s . objdump . @file file . @file . file . file (Whitespace) . . ( ) . file @file . (SEE ALSO) nm(1) readelf(1) Info binutils. (COPYRIGHT) (C) - (Free Software Foundation, Inc.) / << >> (GNU Free Documentation License) . . <> . binutils-2.47 2026-07-30 OBJDUMP(1)