Author: Linux Manual

NAME objdump – display information from object files. SYNOPSIS objdump [-a|–archive-headers]   [-b bfdname|–target=bfdname]   [-C|–demangle[=style] ]   [-d|–disassemble]   [-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]   [-m machine|–architecture=machine]   [-M options|–disassembler-options=options]   [-p|–private-headers]   [-P options|–private=options]   [-r|–reloc]   [-R|–dynamic-reloc]   [-s|–full-contents]   [-W[lLiaprmfFsoRt]|    –dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index]]   [-G|–stabs]   [-t|–syms]   [-T|–dynamic-syms]   [-x|–all-headers]   [-w|–wide]   [–start-address=address]   [–stop-address=address]   [–prefix-addresses]   [–[no-]show-raw-insn]   [–adjust-vma=offset]   [–special-syms]   [–prefix=prefix]   [–prefix-strip=level]   [–insn-width=width]   [-V|–version]   [-H|–help]   objfile……

NAME objcopy – copy and translate object files SYNOPSIS objcopy [-F bfdname|–target=bfdname]   [-I bfdname|–input-target=bfdname]   [-O bfdname|–output-target=bfdname]   [-B bfdarch|–binary-architecture=bfdarch]   [-S|–strip-all]   [-g|–strip-debug]   [-K symbolname|–keep-symbol=symbolname]   [-N symbolname|–strip-symbol=symbolname]   [–strip-unneeded-symbol=symbolname]   [-G symbolname|–keep-global-symbol=symbolname]   [–localize-hidden]   [-L symbolname|–localize-symbol=symbolname]   [–globalize-symbol=symbolname]   [-W symbolname|–weaken-symbol=symbolname]   [-w|–wildcard]   [-x|–discard-all]   [-X|–discard-locals]   [-b byte|–byte=byte]   [-i [breadth]|–interleave[=breadth]]   [–interleave-width=width]   [-j sectionpattern|–only-section=sectionpattern]   [-R sectionpattern|–remove-section=sectionpattern]   [-p|–preserve-dates]   [-D|–enable-deterministic-archives]   [-U|–disable-deterministic-archives]   [–debugging]   [–gap-fill=val]   [–pad-to=address]   [–set-start=val]   [–adjust-start=incr]   [–change-addresses=incr]   [–change-section-address sectionpattern{=,+,-}val]   [–change-section-lma sectionpattern{=,+,-}val]   [–change-section-vma sectionpattern{=,+,-}val]   [–change-warnings] [–no-change-warnings]   [–set-section-flags sectionpattern=flags]   [–add-section sectionname=filename]   [–rename-section oldname=newname[,flags]]   [–long-section-names {enable,disable,keep}]   [–change-leading-char] [–remove-leading-char]   [–reverse-bytes=num]   [–srec-len=ival] [–srec-forceS3]   [–redefine-sym old=new]   [–redefine-syms=filename]…

NAME nm – list symbols from object files SYNOPSIS nm [-A|-o|–print-file-name] [-a|–debug-syms] [-B|–format=bsd] [-C|–demangle[=style]] [-D|–dynamic] [-fformat|–format=format] [-g|–extern-only] [-h|–help] [-l|–line-numbers] [-n|-v|–numeric-sort] [-P|–portability] [-p|–no-sort] [-r|–reverse-sort] [-S|–print-size] [-s|–print-armap] [-t radix|–radix=radix] [-u|–undefined-only] [-V|–version] [-X 32_64] [–defined-only] [–no-demangle] [–plugin name] [–size-sort] [–special-syms] [–synthetic] [–target=bfdname] [objfile…] DESCRIPTION GNU nm lists the symbols from object files objfile…. If no object files are listed as arguments, nm assumes the file a.out. For each symbol, nm shows: • The…

NAME ld – The GNU linker SYNOPSIS ld [options] objfile … DESCRIPTION ld combines a number of object and archive files, relocates their data and ties up symbol references. Usually the last step in compiling a program is to run ld. ld accepts Linker Command Language files written in a superset of AT&T‘s Link Editor…

NAME gprof – display call graph profile data SYNOPSIS gprof [ -[abcDhilLrsTvwxyz] ] [ -[ACeEfFJnNOpPqQZ][name] ]  [ -I dirs ] [ -d[num] ] [ -k from/to ]  [ -m min-count ] [ -R map_file ] [ -t table-length ]  [ –[no-]annotated-source[=name] ]   [ –[no-]exec-counts[=name] ]  [ –[no-]flat-profile[=name] ] [ –[no-]graph[=name] ]  [ –[no-]time=name] [ –all-lines ] [ –brief ]   [ –debug[=level] ] [ –function-ordering ]   [ –file-ordering map_file ] [ –directory-path=dirs ]  [ –display-unused-functions ] [ –file-format=name ]  [ –file-info ] [ –help ] [ –line ] [ –min-count=n ]  [ –no-static ] [ –print-path ] [ –separate-files ]  [ –static-call-graph ] [ –sum ] [ –table-length=len ]  [ –traditional ] [ –version ] [ –width=n ]  [ –ignore-non-functions ] [ –demangle[=STYLE] ]  [ –no-demangle ] [–external-symbol-table=name]   [ image-file ] [ profile-file … ] DESCRIPTION "gprof" produces an execution profile of C, Pascal, or Fortran77 programs. The effect of called routines is incorporated in the profile of…

NAME gdb – The GNU Debugger SYNOPSIS gdb [-help] [-nx] [-q] [-batch] [-cd=dir] [-f] [-b bps] [-tty=dev] [-s symfile] [-e prog] [-se prog] [-c core] [-x cmds] [-d dir] [prog[core|procID]] DESCRIPTION The purpose of a debugger such as GDB is to allow you to see what is going on “inside” another program while it executes—or what…

NAME gdb – The GNU Debugger SYNOPSIS gdb [-help] [-nx] [-q] [-batch] [-cd=dir] [-f] [-b bps] [-tty=dev] [-s symfile] [-e prog] [-se prog] [-c core] [-x cmds] [-d dir] [prog[core|procID]] DESCRIPTION The purpose of a debugger such as GDB is to allow you to see what is going on “inside” another program while it executes—or what…

NAME gcov – coverage testing tool SYNOPSIS gcov [-v|–version] [-h|–help]   [-a|–all-blocks]   [-b|–branch-probabilities]   [-c|–branch-counts]   [-d|–display-progress]   [-f|–function-summaries]   [-i|–intermediate-format]   [-l|–long-file-names]   [-m|–demangled-names]   [-n|–no-output]   [-o|–object-directory directory|file]   [-p|–preserve-paths]   [-r|–relative-only]   [-s|–source-prefix directory]   [-u|–unconditional-branches]   files DESCRIPTION gcov is a test coverage program. Use it in concert with GCC to analyze your programs to help create more efficient, faster running code and to discover untested parts…

NAME gcc – GNU project C and C++ compiler SYNOPSIS gcc [-c|-S|-E] [-std=standard]  [-g] [-pg] [-Olevel]  [-Wwarn…] [-Wpedantic]  [-Idir…] [-Ldir…]  [-Dmacro[=defn]…] [-Umacro]  [-foption…] [-mmachine-option…]  [-o outfile] [@file] infile… Only the most useful options are listed here; see below for the remainder. g++ accepts mostly the same options as gcc. DESCRIPTION When you invoke GCC, it normally does preprocessing, compilation, assembly and linking. The “overall…

gcc – GNU project C and C++ compiler Synopsisgcc [-c|-S|-E] [-std=standard]  [-g] [-pg] [-Olevel]  [-Wwarn…] [-Wpedantic]  [-Idir…] [-Ldir…]  [-Dmacro[=defn]…] [-Umacro]  [-foption…] [-mmachine-option…]  [-o outfile] [@file] infile… Only the most useful options are listed here; see below for the remainder. g++ accepts mostly the same options as gcc. DescriptionWhen you invoke GCC, it normally does preprocessing, compilation, assembly and linking. The “overall options” allow you…

NAME elfedit – Update the ELF header of ELF files. SYNOPSIS elfedit [–input-mach=machine]   [–input-type=type]   [–input-osabi=osabi]   –output-mach=machine   –output-type=type   –output-osabi=osabi   [-v|–version]   [-h|–help]   elffile… DESCRIPTION elfedit updates the ELF header of ELF files which have the matching ELF machine and file types. The options control how and which fields in the ELF header should be updated. elffile… are…

NAME cpp – The C Preprocessor SYNOPSIS cpp [-Dmacro[=defn]…] [-Umacro]  [-Idir…] [-iquotedir…]  [-Wwarn…]  [-M|-MM] [-MG] [-MF filename]  [-MP] [-MQ target…]  [-MT target…]  [-P] [-fno-working-directory]  [-x language] [-std=standard]  infile outfile Only the most useful options are listed here; see below for the remainder. DESCRIPTION The C preprocessor, often known as cpp, is a macro processor that is used automatically by the C compiler to transform your program…

c++filt – Demangle C++ and Java symbols. Synopsisc++filt [-_|–strip-underscore]   [-n|–no-strip-underscore]   [-p|–no-params]   [-t|–types]   [-i|–no-verbose]   [-s format|–format=format]   [–help]  [–version]  [symbol…] DescriptionThe C++ and Java languages provide function overloading, which means that you can write many functions with the same name, providing that each function takes parameters of different types. In order to be able to distinguish these similarly named functions…

NAME AS – the portable GNU assembler. SYNOPSIS as [-a[cdghlns][=file]] [–alternate] [-D]  [–compress-debug-sections]  [–nocompress-debug-sections]  [–debug-prefix-map old=new]  [–defsym sym=val] [-f] [-g] [–gstabs]  [–gstabs+] [–gdwarf-2] [–gdwarf-sections]  [–help] [-I dir] [-J]  [-K] [-L] [–listing-lhs-width=NUM]  [–listing-lhs-width2=NUM] [–listing-rhs-width=NUM]  [–listing-cont-lines=NUM] [–keep-locals] [-o  objfile] [-R] [–reduce-memory-overheads] [–statistics]  [-v] [-version] [–version] [-W] [–warn]  [–fatal-warnings] [-w] [-x] [-Z] [@FILE]  [–size-check=[error|warning]]  [–target-help] [target-options]  [—|files …] Target AArch64 options: [-EB|-EL] [-mabi=ABI] Target Alpha options: [-mcpu] [-mdebug | -no-mdebug] [-replace | -noreplace] [-relax] [-g] [-Gsize] [-F] [-32addr] Target ARC options: [-marc[5|6|7|8]] [-EB|-EL] Target ARM options: [-mcpu=processor[+extension…]] [-march=architecture[+extension…]] [-mfpu=floating-point-format] [-mfloat-abi=abi] [-meabi=ver] [-mthumb] [-EB|-EL] [-mapcs-32|-mapcs-26|-mapcs-float|…

NAME ar – create, modify, and extract from archives SYNOPSIS ar [–plugin name] [-X32_64] [–]p[mod [relpos] [count]] [–target bfdname] archive [member…] DESCRIPTION The GNU ar program creates, modifies, and extracts from archives. An archive is a single file holding a collection of other files in a structure that makes it possible to retrieve the original…

NAME addr2line – convert addresses into file names and line numbers. SYNOPSIS addr2line [-a|–addresses]     [-b bfdname|–target=bfdname]     [-C|–demangle[=style]]     [-e filename|–exe=filename]     [-f|–functions] [-s|–basename]     [-i|–inlines]     [-p|–pretty-print]     [-j|–section=name]     [-H|–help] [-V|–version]     [addr addr …] DESCRIPTION addr2line translates addresses into file names and line numbers. Given an address in an executable or an offset in a section of a relocatable object, it uses the debugging…

NAME rancid – Cisco configuration filter SYNOPSIS rancid [-dlCV] [-t device_type] (-f filename | hostname) rancid [-dhlCV] -t device_type (-f filename | hostname) DESCRIPTION rancid is a collection of perl(1) scripts which uses the login scripts (see clogin(1)) to login to a device, execute commands to display the configuration, etc, then filters the output for…

NAME clogin – Cisco login script SYNOPSIS clogin [-autoenable] [-noenable] [-dSV] [-c  command] [-E  var=x] [-e  enable-password] [-f  cloginrc-file] [-p  user-password] [-s  script-file] [-t  timeout] [-u  username] [-v  vty-password] [-w  enable-username] [-x  command-file] [-y  ssh_cypher_type] router [router…] DESCRIPTION clogin is an expect(1) script to automate the process of logging into a Cisco router, Catalyst switch,…

NAME avlcpt – convert ArcView Legend gradients to GMT colour palette tables SYNOPSIS avlcpt [-b rgb] [-f rgb] [-h] [-l adjust] [-n rgb] [-o file] [-p precision] [-u adjust] [-v] [-V] [file] DESCRIPTION The avlcpt utility will extract a gradient from an ArcView Legend (avl) file and write it to the GMT (Generic Mapping Tools) cpt format. Note that not every avl…

NAME avisync – adjust audio synchronisation SYNOPSIS avisync [ -o file -i file -q -n num -b num -a track -f commentfile ] COPYRIGHT avisync is Copyright (C) by Thomas Oestreich. DESCRIPTION avisync shift audio on frame basis. OPTIONS -o name Specify the name of the output file. -i file Specify the name of the…