SysTutorials Posts

objdump – display information from object files. Synopsisobjdump [-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]   [–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]   [-r|–reloc]   [-R|–dynamic-reloc]   [-s|–full-contents]   [-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]   [-V|–version]   [-H|–help]   objfile… Descriptionobjdump displays information about one or more object files….

objcopy – copy and translate object files Synopsisobjcopy [-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]   [-L symbolname|–localize-symbol=symbolname]   [-W symbolname|–weaken-symbol=symbolname]   [-w|–wildcard]   [-x|–discard-all]   [-X|–discard-locals]   [-b byte|–byte=byte]   [-i interleave|–interleave=interleave]   [-j sectionname|–only-section=sectionname]   [-R sectionname|–remove-section=sectionname]   [-p|–preserve-dates]   [–debugging]   [–gap-fill=val]   [–pad-to=address]   [–set-start=val]   [–adjust-start=incr]   [–change-addresses=incr]   [–change-section-address section{=,+,-}val]   [–change-section-lma section{=,+,-}val]   [–change-section-vma section{=,+,-}val]   [–change-warnings] [–no-change-warnings]   [–set-section-flags section=flags]   [–add-section sectionname=filename]   [–rename-section oldname=newname[,flags]]   [–change-leading-char] [–remove-leading-char]   [–srec-len=ival] [–srec-forceS3]   [–redefine-sym old=new]   [–redefine-syms=filename]   [–weaken]   [–keep-symbols=filename]   [–strip-symbols=filename]   [–strip-unneeded-symbols=filename]   [–keep-global-symbols=filename]   [–localize-symbols=filename]   [–weaken-symbols=filename]   [–alt-machine-code=index]   [–prefix-symbols=string]…

nm – list symbols from object files Synopsisnm [-a|–debug-syms] [-g|–extern-only] [-B] [-C|–demangle[=style]] [-D|–dynamic] [-S|–print-size] [-s|–print-armap] [-A|-o|–print-file-name][–special-syms] [-n|-v|–numeric-sort] [-p|–no-sort] [-r|–reverse-sort] [–size-sort] [-u|–undefined-only] [-t radix|–radix=radix] [-P|–portability] [–target=bfdname] [-fformat|–format=format] [–defined-only] [-l|–line-numbers] [–no-demangle] [-V|–version] [-X 32_64] [–help]  [objfile…] DescriptionGNU 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 symbol value, in the radix selected…

ld – Using LD, the GNU linker Synopsisld [options] objfile … Descriptionld 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 Command…

gprof – display call graph profile data Synopsisgprof [ -[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 ] [ –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 ] [ 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 each caller. The profile…

gcov – coverage testing tool Synopsisgcov [-v|–version] [-h|–help]   [-a|–all-blocks]   [-b|–branch-probabilities]   [-c|–branch-counts]   [-n|–no-output]   [-l|–long-file-names]   [-p|–preserve-paths]   [-f|–function-summaries]   [-o|–object-directory directory|file] sourcefile   [-u|–unconditional-branches] Descriptiongcov 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 of your program. You can use gcov as a…

gcc – GNU project C and C++ compiler Synopsisgcc [-c|-S|-E] [-std=standard]  [-g] [-pg] [-Olevel]  [-Wwarn…] [-pedantic]  [-Idir…] [-Ldir…]  [-Dmacro[=defn]…] [-Umacro]  [-foption…] [-mmachine-option…]  [-o outfile] 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…

gcc – GNU project C and C++ compiler Synopsisgcc [-c|-S|-E] [-std=standard]  [-g] [-pg] [-Olevel]  [-Wwarn…] [-pedantic]  [-Idir…] [-Ldir…]  [-Dmacro[=defn]…] [-Umacro]  [-foption…] [-mmachine-option…]  [-o outfile] 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…

cpp – The C Preprocessor Synopsiscpp [-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. DescriptionThe C preprocessor, often known as cpp, is a macro processor that is used automatically by the C compiler to transform your program before compilation. It…

c++filt – Demangle C++ and Java symbols. Synopsisc++filt [-_|–strip-underscores]   [-j|–java]   [-n|–no-strip-underscores]   [-p|–no-params]   [-s format|–format=format]   [–help]  [–version]  [symbol…] DescriptionThe C++ and Java languages provides function overloading, which means that you can write many functions with the same name (providing each takes parameters of different types). All C++ and Java function names are encoded into a low-level assembly label (this…

AS – the portable GNU assembler. Synopsisas [-a[cdhlns][=file]] [–alternate] [-D]  [–defsym sym=val] [-f] [-g] [–gstabs] [–gstabs+]  [–gdwarf-2] [–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] [–statistics] [-v]  [-version] [–version] [-W] [–warn] [–fatal-warnings]   [-w] [-x] [-Z] [–target-help] [target-options]   [—|files …] Target Alpha options: [-mcpu] [-mdebug | -no-mdebug] [-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|  -mapcs-reentrant] [-mthumb-interwork] [-k] Target CRIS options: [–underscore | –no-underscore] [–pic] [-N] [–emulation=criself | –emulation=crisaout] [–march=v0_v10 | –march=v10 | –march=v32 | –march=common_v10_v32] Target D10V options: [-O] Target…

ar – create, modify, and extract from archives Synopsisar [-X32_64] [–]p[mod [relpos] [count]] archive [member…] DescriptionThe 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 individual files (called members of the archive)….

addr2line – convert addresses into file names and line numbers. Synopsisaddr2line [-b bfdname|–target=bfdname]     [-C|–demangle[=style]]     [-e filename|–exe=filename]     [-f|–functions] [-s|–basename]     [-H|–help] [-V|–version]     [addr addr …] Descriptionaddr2line translates program addresses into file names and line numbers. Given an address and an executable, it uses the debugging information in the executable to figure out which file name and line number are associated…

arlatex – archive a number of ancillary LaTeX files into a master .tex file Synopsisarlatex [–outfile=filename.tex] –document=filename.tex filename … arlatex –version arlatex –help Descriptionarlatex is an archiving program like shar, tar, zip, etc. Unlike those other archivers, however, arlatex is designed specifically for use with LaTeX. arlatex takes the name of a master .tex file…

ark – KDE archiving tool Synopsis ark [-b] [-a] [-e] [-c] [-f suffix] [-p] [-t file] [-d] [-o directory] [KDE Generic Options] [Qt(TM) Generic Options]DescriptionArk is a program for managing various compressed file formats within KDE. Archives can be viewed, extracted, created and modified with Ark. The program can handle various formats such as tar, gzip,…

arjdisp – ARJ simple graphical interface Synopsisarj [test|archive_name filename uncompsize bytes compsize cmd_verb] DescriptionThe arjdisp command is a graphical interface for arj. See Alsoarj(1). AuthorThis manual page was written by Ola Lundqvist <opal [at] debian.org> in pod format, then converted by Guillem Jover <guillem [at] debian.org> to nroff format.

arj – Archiver for .arj files Synopsisarj command [-switch[–|+|option]] archive[.arj] [base directory] [!list name|path name|wildcard name] Descriptionarj is a compression and file archiving utility. It was invented by Robert K. Jung. ARJ stands for Archived by Robert Jung. Commandsac Add Chapter to chapter archive. cc Convert archive to Chapter archive. dc Delete last Chapter from…

aria_read_log – display Aria log file contents Synopsisaria_read_log OPTIONS DescriptionDisplay and apply log records from a Aria transaction log found in the current directory (for now) Note: Aria is compiled without -DIDENTICAL_PAGES_AFTER_RECOVERY which means that the table files are not byte-to-byte identical to files created during normal execution. This should be ok, except for test…

aria_pack – generate compressed, read-only Aria tables Synopsisaria_pack [OPTIONS] filename… DescriptionPack a Aria-table to take much less space. Keys are not updated, you must run aria_chk -rq on the index (.MAI) file afterwards to update the keys. You should give the .MAI file as the filename argument. To unpack a packed table, run aria_chk -u…

aria_ftdump – display full-text index information DescriptionUse: aria_ft_dump <table_name> <index_num> -?, -h, –help Display help and exit. -c, –count Calculate per-word stats (counts and global weights). -d, –dump Dump index (incl. data offsets and word weights). -l, –length Report length distribution. -s, –stats Report global stats. -v, –verbose Be verbose.See Alsomyisam_ftdump(1) For more information, please…