linux man page for gold

Query: gold

OS: linux

Section: 1

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

GOLD(1) 							   User Commands							   GOLD(1)

NAME
gold - The GNU ELF linker
SYNOPSIS
ld.gold [options] file...
OPTIONS
--help Report usage information -v, --version Report version information -V Report version and target information --add-needed Not supported --no-add-needed Do not copy DT_NEEDED tags from shared libraries (default) --allow-multiple-definition Allow multiple definitions of symbols --no-allow-multiple-definition Do not allow multiple definitions (default) --allow-shlib-undefined Allow unresolved references in shared libraries --no-allow-shlib-undefined Do not allow unresolved references in shared libraries (default) --apply-dynamic-relocs Apply link-time values for dynamic relocations (default) --no-apply-dynamic-relocs (aarch64 only) Do not apply link-time values for dynamic relocations --as-needed Use DT_NEEDED only for shared libraries that are used --no-as-needed Use DT_NEEDED for all shared libraries (default) -assert [ignored] Ignored -b [elf,binary], --format [elf,binary] Set input format --be8 Output BE8 format image --build-id [=STYLE] Generate build ID note --build-id-chunk-size-for-treehash SIZE Chunk size for '--build-id=tree' --build-id-min-file-size-for-treehash SIZE Minimum output file size for '--build-id=tree' to work differently than '--build-id=sha1' -Bdynamic -l searches for shared libraries (default) -Bstatic -l does not search for shared libraries -dy alias for -Bdynamic (default) -dn alias for -Bstatic -Bgroup Use group name lookup rules for shared library -Bshareable Generate shared library (alias for -G/-shared) -Bsymbolic Bind defined symbols locally -Bsymbolic-functions Bind defined function symbols locally --check-sections Check segment addresses for overlaps (default) --no-check-sections Do not check segment addresses for overlaps --compress-debug-sections [none,zlib,zlib-gnu,zlib-gabi] Compress .debug_* sections in the output file --copy-dt-needed-entries Not supported --no-copy-dt-needed-entries Do not copy DT_NEEDED tags from shared libraries (default) --cref Output cross reference table --no-cref Do not output cross reference table (default) --ctors-in-init-array Use DT_INIT_ARRAY for all constructors (default) --no-ctors-in-init-array Handle constructors as directed by compiler -d, --define-common Define common symbols --no-define-common Do not define common symbols in relocatable output (default) -dc Alias for -d -dp Alias for -d --debug [all,files,script,task][,...] Turn on debugging --defsym SYMBOL=EXPRESSION Define a symbol --demangle [=STYLE] Demangle C++ symbols in log messages --no-demangle Do not demangle C++ symbols in log messages --detect-odr-violations Look for violations of the C++ One Definition Rule --no-detect-odr-violations Do not look for violations of the C++ One Definition Rule (default) --dynamic-list-data Add data symbols to dynamic symbols --dynamic-list-cpp-new Add C++ operator new/delete to dynamic symbols --dynamic-list-cpp-typeinfo Add C++ typeinfo to dynamic symbols --dynamic-list FILE Read a list of dynamic symbols --emit-stub-syms (PowerPC only) Label linker stubs with a symbol (default) --no-emit-stub-syms (PowerPC only) Do not label linker stubs with a symbol -e ADDRESS, --entry ADDRESS Set program start address --eh-frame-hdr Create exception frame header --no-eh-frame-hdr Do not create exception frame header (default) --enable-new-dtags Enable use of DT_RUNPATH (default) --disable-new-dtags Disable use of DT_RUNPATH --no-enum-size-warning (ARM only) Do not warn about objects with incompatible enum sizes --exclude-libs lib,lib ... Exclude libraries from automatic export -E, --export-dynamic Export all dynamic symbols --no-export-dynamic Do not export all dynamic symbols (default) --export-dynamic-symbol SYMBOL Export SYMBOL to dynamic symbol table -EB Link big-endian objects. -EL Link little-endian objects. -f SHLIB, --auxiliary SHLIB Auxiliary filter for shared object symbol table -F SHLIB, --filter SHLIB Filter for shared object symbol table --fatal-warnings Treat warnings as errors --no-fatal-warnings Do not treat warnings as errors (default) -fini SYMBOL Call SYMBOL at unload-time --fix-arm1176 (ARM only) Fix binaries for ARM1176 erratum (default) --no-fix-arm1176 (ARM only) Do not fix binaries for ARM1176 erratum --fix-cortex-a8 (ARM only) Fix binaries for Cortex-A8 erratum --no-fix-cortex-a8 (ARM only) Do not fix binaries for Cortex-A8 erratum (default) --fix-cortex-a53-843419 (AArch64 only) Fix Cortex-A53 erratum 843419 --no-fix-cortex-a53-843419 (AArch64 only) Do not fix Cortex-A53 erratum 843419 (default) --fix-cortex-a53-835769 (AArch64 only) Fix Cortex-A53 erratum 835769 --no-fix-cortex-a53-835769 (AArch64 only) Do not fix Cortex-A53 erratum 835769 (default) --fix-v4bx (ARM only) Rewrite BX rn as MOV pc, rn for ARMv4 --fix-v4bx-interworking (ARM only) Rewrite BX rn branch to ARMv4 interworking veneer -fuse-ld Ignored for GCC linker option compatibility -g Ignored --gc-sections Remove unused sections --no-gc-sections Don't remove unused sections (default) --gdb-index Generate .gdb_index section --no-gdb-index Do not generate .gdb_index section (default) --gnu-unique Enable STB_GNU_UNIQUE symbol binding (default) --no-gnu-unique Disable STB_GNU_UNIQUE symbol binding -G, -shared Generate shared library -h FILENAME, -soname FILENAME Set shared library name --hash-bucket-empty-fraction FRACTION Min fraction of empty buckets in dynamic hash --hash-style [sysv,gnu,both] Dynamic hash style -i Alias for -r --icf [none,all,safe] Identical Code Folding. '--icf=safe' Folds ctors, dtors and functions whose pointers are definitely not taken --icf-iterations COUNT Number of iterations of ICF (default 2) --incremental Do an incremental link if possible; otherwise, do a full link and prepare output for incremental linking --no-incremental Do a full link (default) --incremental-full Do a full link and prepare output for incremental linking --incremental-update Do an incremental link; exit if not possible --incremental-base FILE Set base file for incremental linking (default is output file) --incremental-changed Assume files changed --incremental-unchanged Assume files didn't change --incremental-unknown Use timestamps to check files (default) --incremental-startup-unchanged Assume startup files unchanged (files preceding this option) --incremental-patch PERCENT Amount of extra space to allocate for patches (default 10) -init SYMBOL Call SYMBOL at load-time -I PROGRAM, --dynamic-linker PROGRAM Set dynamic linker path --just-symbols FILE Read only symbol values from FILE --keep-files-mapped Keep files mapped across passes (default) --no-keep-files-mapped Release mapped files after each pass --keep-unique SYMBOL Do not fold this symbol during ICF -l LIBNAME, --library LIBNAME Search for library LIBNAME --ld-generated-unwind-info Generate unwind information for PLT (default) --no-ld-generated-unwind-info Do not generate unwind information for PLT -L DIR, --library-path DIR Add directory to search path --long-plt (ARM only) Generate long PLT entries --no-long-plt (ARM only) Do not generate long PLT entries (default) -m EMULATION Set GNU linker emulation; obsolete --map-whole-files Map whole files to memory (default) --no-map-whole-files Map relevant file parts to memory --merge-exidx-entries (ARM only) Merge exidx entries in debuginfo (default) --no-merge-exidx-entries (ARM only) Do not merge exidx entries in debuginfo --mmap-output-file Map the output file for writing (default) --no-mmap-output-file Do not map the output file for writing -M, --print-map Write map file on standard output -Map MAPFILENAME Write map file -n, --nmagic Do not page align data -N, --omagic Do not page align data, do not make text readonly --no-omagic Page align data, make text readonly (default) --no-keep-memory Use less memory and more disk I/O (included only for compatibility with GNU ld) --no-undefined Report undefined symbols (even with --shared) --noinhibit-exec Create an output file even if errors occur -nostdlib Only search directories specified on the command line -o FILE, --output FILE Set output file name --oformat [binary] Set output format -O LEVEL, -optimize LEVEL Optimize output file size --orphan-handling [place,discard,warn,error] Orphan section handling -p Ignored for ARM compatibility -pie Create a position independent executable -no-pie Do not create a position independent executable (default) --pic-executable Create a position independent executable --no-pic-executable Do not create a position independent executable (default) --pic-veneer Force PIC sequences for ARM/Thumb interworking veneers -no-pipeline-knowledge (ARM only) Ignore for backward compatibility (default) --plt-align [=P2ALIGN] (PowerPC64 only) Align PLT call stubs to fit cache lines --plt-localentry (PowerPC64 only) Optimize calls to ELFv2 localentry:0 functions --no-plt-localentry (PowerPC64 only) Don't optimize ELFv2 calls (default) --plt-static-chain (PowerPC64 only) PLT call stubs should load r11 --no-plt-static-chain (PowerPC64 only) PLT call stubs should not load r11 (default) --plt-thread-safe (PowerPC64 only) PLT call stubs with load-load barrier --no-plt-thread-safe (PowerPC64 only) PLT call stubs without barrier (default) --plugin PLUGIN Load a plugin library --plugin-opt OPTION Pass an option to the plugin --posix-fallocate Use posix_fallocate to reserve space in the output file (default) --no-posix-fallocate Use fallocate or ftruncate to reserve space --preread-archive-symbols Preread archive symbols when multi-threaded --print-gc-sections List removed unused sections on stderr --no-print-gc-sections Do not list removed unused sections (default) --print-icf-sections List folded identical sections on stderr --no-print-icf-sections Do not list folded identical sections (default) --print-output-format Print default output format --print-symbol-counts FILENAME Print symbols defined and used for each input --push-state Save the state of flags related to input files --pop-state Restore the state of flags related to input files -q, --emit-relocs Generate relocations in output -Qy Ignored for SVR4 compatibility -r, -relocatable Generate relocatable output --relax Relax branches on certain targets --no-relax Do not relax branches (default) --retain-symbols-file FILE keep only symbols listed in this file --rosegment Put read-only non-executable sections in their own segment --rosegment-gap OFFSET Set offset between executable and read-only segments -R DIR Add DIR to runtime search path -rpath DIR Add DIR to runtime search path --rpath-link DIR Add DIR to link time shared library search path -s, --strip-all Strip all symbols -S, --strip-debug Strip debugging information --strip-debug-non-line Emit only debug line number information --strip-debug-gdb Strip debug symbols that are unused by gdb (at least versions <= 7.4) --strip-lto-sections Strip LTO intermediate code sections (default) --section-ordering-file FILENAME Layout sections in the order specified --section-start SECTION=ADDRESS Set address of section --secure-plt (PowerPC only) Use new-style PLT (default) --sort-common [={ascending,descending}] Sort common symbols by alignment --sort-section [none,name] Sort sections by name. '--no-text-reorder' will override '--sort-section=name' for .text --spare-dynamic-tags COUNT Dynamic tag slots to reserve (default 5) --stub-group-size SIZE (ARM, PowerPC only) The maximum distance from instructions in a group of sections to their stubs. Negative values mean stubs are always after the group. 1 means use default size --stub-group-multi (PowerPC only) Allow a group of stubs to serve multiple output sections (default) --no-stub-group-multi (PowerPC only) Each output section has its own stubs --split-stack-adjust-size SIZE Stack size when -fsplit-stack function calls non-split -static Do not link against shared libraries --start-lib Start a library --end-lib End a library --stats Print resource usage statistics --sysroot DIR Set target system root directory -t, --trace Print the name of each input file --target1-abs (ARM only) Force R_ARM_TARGET1 type to R_ARM_ABS32 --target1-rel (ARM only) Force R_ARM_TARGET1 type to R_ARM_REL32 --target2 [rel, abs, got-rel (ARM only) Set R_ARM_TARGET2 relocation type --text-reorder Enable text section reordering for GCC section names (default) --no-text-reorder Disable text section reordering for GCC section names --threads Run the linker multi-threaded --no-threads Do not run the linker multi-threaded (default) --thread-count COUNT Number of threads to use --thread-count-initial COUNT Number of threads to use in initial pass --thread-count-middle COUNT Number of threads to use in middle pass --thread-count-final COUNT Number of threads to use in final pass --tls-optimize (PowerPC/64 only) Optimize GD/LD/IE code to IE/LE (default) --no-tls-optimize (PowerPC/64 only) Don'''t try to optimize TLS accesses --tls-get-addr-optimize (PowerPC/64 only) Use a special __tls_get_addr call (default) --no-tls-get-addr-optimize (PowerPC/64 only) Don't use a special __tls_get_addr call --toc-optimize (PowerPC64 only) Optimize TOC code sequences (default) --no-toc-optimize (PowerPC64 only) Don't optimize TOC code sequences --toc-sort (PowerPC64 only) Sort TOC and GOT sections (default) --no-toc-sort (PowerPC64 only) Don't sort TOC and GOT sections -T FILE, --script FILE Read linker script -Tbss ADDRESS Set the address of the bss segment -Tdata ADDRESS Set the address of the data segment -Ttext ADDRESS Set the address of the text segment -Ttext-segment ADDRESS Set the address of the text segment -Trodata-segment ADDRESS Set the address of the rodata segment -u SYMBOL, --undefined SYMBOL Create undefined reference to SYMBOL --unresolved-symbols ignore-all,report-all,ignore-in-object-files,ignore-in-shared-libs How to handle unresolved symbols --verbose Alias for --debug=files --version-script FILE Read version script --warn-common Warn about duplicate common symbols --no-warn-common Do not warn about duplicate common symbols (default) --warn-constructors Ignored --no-warn-constructors Ignored --warn-execstack Warn if the stack is executable --no-warn-execstack Do not warn if the stack is executable (default) --no-warn-mismatch Don't warn about mismatched input files --warn-multiple-gp Ignored --warn-search-mismatch Warn when skipping an incompatible library (default) --no-warn-search-mismatch Don't warn when skipping an incompatible library --warn-shared-textrel Warn if text segment is not shareable --no-warn-shared-textrel Do not warn if text segment is not shareable (default) --warn-unresolved-symbols Report unresolved symbols as warnings --error-unresolved-symbols Report unresolved symbols as errors (default) -z buildd Dummy z option --no-wchar-size-warning (ARM only) Do not warn about objects with incompatible wchar_t sizes --weak-unresolved-symbols Convert unresolved symbols to weak references --whole-archive Include all archive contents --no-whole-archive Include only needed archive contents (default) --wrap SYMBOL Use wrapper functions for SYMBOL -x, --discard-all Delete all local symbols -X, --discard-locals Delete all temporary local symbols --discard-none Keep all local symbols -y SYMBOL, --trace-symbol SYMBOL Trace references to symbol --undefined-version Allow unused version in script (default) --no-undefined-version Do not allow unused version in script -Y PATH Default search path for Solaris compatibility -(, --start-group Start a library search group -), --end-group End a library search group -z bndplt (x86-64 only) Generate a BND PLT for Intel MPX -z nobndplt Generate a regular PLT (default) -z combreloc Sort dynamic relocs (default) -z nocombreloc Do not sort dynamic relocs -z common-page-size=SIZE Set common page size to SIZE -z defs Report undefined symbols (even with --shared) -z execstack Mark output as requiring executable stack -z global Make symbols in DSO available for subsequently loaded objects -z initfirst Mark DSO to be initialized first at runtime -z interpose Mark object to interpose all DSOs but executable -z lazy Mark object for lazy runtime binding (default) -z loadfltr Mark object requiring immediate process -z max-page-size=SIZE Set maximum page size to SIZE -z muldefs Allow multiple definitions of symbols -z nocopyreloc Do not create copy relocs -z nodefaultlib Mark object not to use default search paths -z nodelete Mark DSO non-deletable at runtime -z nodlopen Mark DSO not available to dlopen -z nodump Mark DSO not available to dldump -z noexecstack Mark output as not requiring executable stack -z now Mark object for immediate function binding -z origin Mark DSO to indicate that needs immediate $ORIGIN processing at runtime -z relro Where possible mark variables read-only after relocation (default) -z norelro Don't mark variables read-only after relocation -z stack-size=SIZE Set PT_GNU_STACK segment p_memsz to SIZE -z text Do not permit relocations in read-only segments -z notext Permit relocations in read-only segments (default) -z textoff Permit relocations in read-only segments (default) -z text-unlikely-segment Move .text.unlikely sections to a separate segment. -z notext-unlikely-segment Do not move .text.unlikely sections to a separate segment. (default) debian/tmp/usr/bin/ld.gold: supported targets: elf32-iamcu elf32-i386 elf32-i386-freebsd elf32-i386-nacl elf32-x86-64 elf32-x86-64-freebsd elf32-x86-64-nacl elf64-x86-64 elf64-x86-64-freebsd elf64-x86-64-nacl debian/tmp/usr/bin/ld.gold: supported emulations: elf_iamcu elf_i386 elf_i386_nacl elf32_x86_64 elf32_x86_64_nacl elf_x86_64 elf_x86_64_nacl
REPORTING BUGS
Report bugs to <http://www.sourceware.org/bugzilla/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. This program is free software; you may redistribute it under the terms of the GNU Gen- eral Public License version 3 or (at your option) a later version. This program has absolutely no warranty. gold (GNU Binutils for Ubuntu 2.30) 1.15 March 2018 GOLD(1)
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