| include "llvm/Option/OptParser.td" |
| |
| // Convenience classes for long options which only accept two dashes. For lld |
| // specific or newer long options, we prefer two dashes to avoid collision with |
| // short options. For many others, we have to accept both forms to be compatible |
| // with GNU ld. |
| class FF<string name> : Flag<["--"], name>; |
| class JJ<string name>: Joined<["--"], name>; |
| |
| multiclass EEq<string name, string help> { |
| def NAME: Separate<["--"], name>; |
| def NAME # _eq: Joined<["--"], name # "=">, Alias<!cast<Separate>(NAME)>, |
| HelpText<help>; |
| } |
| |
| multiclass BB<string name, string help1, string help2> { |
| def NAME: Flag<["--"], name>, HelpText<help1>; |
| def no_ # NAME: Flag<["--"], "no-" # name>, HelpText<help2>; |
| } |
| |
| // For options whose names are multiple letters, either one dash or |
| // two can precede the option name except those that start with 'o'. |
| class F<string name>: Flag<["--", "-"], name>; |
| class J<string name>: Joined<["--", "-"], name>; |
| |
| multiclass Eq<string name, string help> { |
| def NAME: Separate<["--", "-"], name>; |
| def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>, |
| HelpText<help>; |
| } |
| |
| multiclass B<string name, string help1, string help2> { |
| def NAME: Flag<["--", "-"], name>, HelpText<help1>; |
| def no_ # NAME: Flag<["--", "-"], "no-" # name>, HelpText<help2>; |
| } |
| |
| defm auxiliary: Eq<"auxiliary", "Set DT_AUXILIARY field to the specified name">; |
| |
| def be8: F<"be8">, HelpText<"write a Big Endian ELF file using BE8 format (AArch32 only)">; |
| |
| def Bno_symbolic: F<"Bno-symbolic">, HelpText<"Don't bind default visibility defined symbols locally for -shared (default)">; |
| |
| def Bsymbolic: F<"Bsymbolic">, HelpText<"Bind default visibility defined symbols locally for -shared">; |
| |
| def Bsymbolic_non_weak: F<"Bsymbolic-non-weak">, |
| HelpText<"Bind default visibility defined STB_GLOBAL symbols locally for -shared">; |
| |
| def Bsymbolic_functions: F<"Bsymbolic-functions">, |
| HelpText<"Bind default visibility defined function symbols locally for -shared">; |
| |
| def Bsymbolic_non_weak_functions: F<"Bsymbolic-non-weak-functions">, |
| HelpText<"Bind default visibility defined STB_GLOBAL function symbols locally for -shared">; |
| |
| def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries (default)">; |
| |
| def Bstatic: F<"Bstatic">, HelpText<"Do not link against shared libraries">; |
| |
| def build_id: J<"build-id=">, HelpText<"Generate build ID note">, |
| MetaVarName<"[fast,md5,sha1,uuid,0x<hexstring>]">; |
| def : F<"build-id">, Alias<build_id>, AliasArgs<["sha1"]>, HelpText<"Alias for --build-id=sha1">; |
| |
| defm branch_to_branch: BB<"branch-to-branch", |
| "Enable branch-to-branch optimization (default at -O2)", |
| "Disable branch-to-branch optimization (default at -O0 and -O1)">; |
| |
| defm check_sections: B<"check-sections", |
| "Check section addresses for overlaps (default)", |
| "Do not check section addresses for overlaps">; |
| |
| defm compress_debug_sections: |
| Eq<"compress-debug-sections", "Compress DWARF debug sections">, |
| MetaVarName<"[none,zlib,zstd]">; |
| |
| defm compress_sections: EEq<"compress-sections", |
| "Compress output sections that match the glob and do not have the SHF_ALLOC flag. " |
| "The sections remain uncompressed if compressed content would be larger. " |
| "The compression level is <level> (if specified) or a default speed-focused level">, |
| MetaVarName<"<section-glob>={none,zlib,zstd}[:level]">; |
| |
| defm defsym: Eq<"defsym", "Define a symbol alias">, MetaVarName<"<symbol>=<value>">; |
| |
| defm optimize_bb_jumps: BB<"optimize-bb-jumps", |
| "Remove direct jumps at the end to the next basic block", |
| "Do not remove any direct jumps at the end to the next basic block (default)">; |
| |
| defm fortran_common : BB<"fortran-common", |
| "Search archive members for definitions to override COMMON symbols (default)", |
| "Do not search archive members for definitions to override COMMON symbols">; |
| |
| defm split_stack_adjust_size |
| : Eq<"split-stack-adjust-size", |
| "Specify adjustment to stack size when a split-stack function calls a " |
| "non-split-stack function">, |
| MetaVarName<"<value>">; |
| |
| def O: JoinedOrSeparate<["-"], "O">, HelpText<"Optimize output file size">; |
| |
| def cmse_implib: FF<"cmse-implib">, |
| HelpText<"Make the output library to be a CMSE secure code import library">; |
| |
| defm in_implib: EEq<"in-implib", |
| "Read an existing CMSE secure code import library and preserve entry function addresses in the " |
| "resulting new CMSE secure code import library (optional when creating a CMSE secure image)">, |
| MetaVarName<"<file>">; |
| |
| defm out_implib: EEq<"out-implib", |
| "Output the CMSE secure code import library to <file> (required when creating a CMSE secure image)">, |
| MetaVarName<"<file>">; |
| |
| defm Tbss: Eq<"Tbss", "Same as --section-start with .bss as the sectionname">; |
| |
| defm Tdata: Eq<"Tdata", "Same as --section-start with .data as the sectionname">; |
| |
| defm Ttext: Eq<"Ttext", "Same as --section-start with .text as the sectionname">; |
| |
| def Ttext_segment: Separate<["-", "--"], "Ttext-segment">; |
| |
| defm allow_multiple_definition: B<"allow-multiple-definition", |
| "Allow multiple definitions", |
| "Do not allow multiple definitions (default)">; |
| |
| defm allow_shlib_undefined: B<"allow-shlib-undefined", |
| "Allow unresolved references in shared libraries (default when linking a shared library)", |
| "Do not allow unresolved references in shared libraries (default when linking an executable)">; |
| |
| defm apply_dynamic_relocs: BB<"apply-dynamic-relocs", |
| "Apply link-time values for dynamic relocations", |
| "Do not apply link-time values for dynamic relocations (default)">; |
| |
| defm dependent_libraries: BB<"dependent-libraries", |
| "Process dependent library specifiers from input files (default)", |
| "Ignore dependent library specifiers from input files">; |
| |
| defm as_needed: B<"as-needed", |
| "Only set DT_NEEDED for shared libraries if used", |
| "Always set DT_NEEDED for shared libraries (default)">; |
| |
| defm call_graph_ordering_file: |
| Eq<"call-graph-ordering-file", "Layout sections to optimize the given callgraph">; |
| |
| def call_graph_profile_sort: JJ<"call-graph-profile-sort=">, |
| HelpText<"Reorder input sections with call graph profile using the specified algorithm (default: cdsort)">, |
| MetaVarName<"[none,hfsort,cdsort]">, |
| Values<"none,hfsort,cdsort">; |
| def : FF<"no-call-graph-profile-sort">, Alias<call_graph_profile_sort>, AliasArgs<["none"]>, |
| Flags<[HelpHidden]>; |
| |
| defm irpgo_profile: EEq<"irpgo-profile", |
| "Read a temporary profile file for use with --bp-startup-sort=">; |
| def bp_compression_sort: JJ<"bp-compression-sort=">, MetaVarName<"[none,function,data,both]">, |
| HelpText<"Improve Lempel-Ziv compression by grouping similar sections together, resulting in a smaller compressed app size">; |
| def bp_startup_sort: JJ<"bp-startup-sort=">, MetaVarName<"[none,function]">, |
| HelpText<"Utilize a temporal profile file to reduce page faults during program startup">; |
| |
| // Auxiliary options related to balanced partition |
| defm bp_compression_sort_startup_functions: BB<"bp-compression-sort-startup-functions", |
| "When --irpgo-profile is pecified, prioritize function similarity for compression in addition to startup time", "">; |
| def verbose_bp_section_orderer: FF<"verbose-bp-section-orderer">, |
| HelpText<"Print information on balanced partitioning">; |
| |
| // --chroot doesn't have a help text because it is an internal option. |
| def chroot: Separate<["--"], "chroot">; |
| |
| def color_diagnostics: JJ<"color-diagnostics=">, |
| HelpText<"Use colors in diagnostics (default: auto)">, |
| MetaVarName<"[auto,always,never]">; |
| def : Flag<["--"], "color-diagnostics">, Alias<color_diagnostics>, AliasArgs<["always"]>, |
| HelpText<"Alias for --color-diagnostics=always">; |
| def : Flag<["--"], "no-color-diagnostics">, Alias<color_diagnostics>, AliasArgs<["never"]>, |
| HelpText<"Alias for --color-diagnostics=never">; |
| |
| def cref: FF<"cref">, |
| HelpText<"Output cross reference table. If -Map is specified, print to the map file">; |
| |
| defm debug_names: BB<"debug-names", |
| "Generate a merged .debug_names section", |
| "Do not generate a merged .debug_names section (default)">; |
| |
| defm default_script: EEq<"default-script", "In the absence of --script, read this default linker script">; |
| |
| defm demangle: B<"demangle", |
| "Demangle symbol names (default)", |
| "Do not demangle symbol names">; |
| |
| defm dependency_file: EEq<"dependency-file", "Write a dependency file">, |
| MetaVarName<"<file>">; |
| |
| def disable_new_dtags: F<"disable-new-dtags">, |
| HelpText<"Disable new dynamic tags">; |
| |
| def discard_all: F<"discard-all">, HelpText<"Delete all local symbols">; |
| |
| def discard_locals: F<"discard-locals">, |
| HelpText<"Delete temporary local symbols">; |
| |
| def discard_none: F<"discard-none">, |
| HelpText<"Keep all symbols in the symbol table">; |
| |
| defm dynamic_linker: Eq<"dynamic-linker", "Which dynamic linker to use">; |
| |
| defm dynamic_list : Eq<"dynamic-list", |
| "Similar to --export-dynamic-symbol-list. When creating a shared object, " |
| "this additionally implies -Bsymbolic but does not set DF_SYMBOLIC">, |
| MetaVarName<"<file>">; |
| |
| def eb: F<"EB">, HelpText<"Select the big-endian format in OUTPUT_FORMAT">; |
| def el: F<"EL">, HelpText<"Select the little-endian format in OUTPUT_FORMAT">; |
| |
| defm eh_frame_hdr: B<"eh-frame-hdr", |
| "Request creation of .eh_frame_hdr section and PT_GNU_EH_FRAME segment header", |
| "Do not create .eh_frame_hdr section">; |
| |
| def emit_relocs: F<"emit-relocs">, HelpText<"Generate relocations in output">; |
| |
| def enable_new_dtags: F<"enable-new-dtags">, |
| HelpText<"Enable new dynamic tags (default)">; |
| |
| def enable_non_contiguous_regions : FF<"enable-non-contiguous-regions">, |
| HelpText<"Spill input sections to later matching output sections to avoid memory region overflow">; |
| |
| def end_group: F<"end-group">, |
| HelpText<"Ignored for compatibility with GNU unless you pass --warn-backrefs">; |
| |
| def end_lib: F<"end-lib">, |
| HelpText<"End a grouping of objects that should be treated as if they were together in an archive">; |
| |
| defm entry: Eq<"entry", "Name of entry point symbol">, |
| MetaVarName<"<entry>">; |
| |
| defm error_limit: |
| EEq<"error-limit", "Maximum number of errors to emit before stopping (0 = no limit)">; |
| |
| def error_unresolved_symbols: F<"error-unresolved-symbols">, |
| HelpText<"Report unresolved symbols as errors">; |
| |
| defm error_handling_script: EEq<"error-handling-script", |
| "Specify an error handling script">; |
| |
| defm exclude_libs: Eq<"exclude-libs", "Exclude static libraries from automatic export">; |
| |
| defm execute_only: BB<"execute-only", |
| "Mark executable sections unreadable", |
| "Mark executable sections readable (default)">; |
| |
| defm export_dynamic: B<"export-dynamic", |
| "Put symbols in the dynamic symbol table", |
| "Do not put symbols in the dynamic symbol table (default)">; |
| |
| defm export_dynamic_symbol : EEq<"export-dynamic-symbol", |
| "(executable) Put matched symbols in the dynamic symbol table. " |
| "(shared object) References to matched non-local STV_DEFAULT symbols " |
| "shouldn't be bound to definitions within the shared object. " |
| "Does not imply -Bsymbolic.">, |
| MetaVarName<"glob">; |
| |
| defm export_dynamic_symbol_list : EEq<"export-dynamic-symbol-list", |
| "Read a list of dynamic symbol patterns. Apply --export-dynamic-symbol on each pattern">, |
| MetaVarName<"file">; |
| |
| defm fatal_warnings: B<"fatal-warnings", |
| "Treat warnings as errors", |
| "Do not treat warnings as errors (default)">; |
| |
| defm filter: Eq<"filter", "Set DT_FILTER field to the specified name">; |
| |
| defm fini: Eq<"fini", "Specify a finalizer function">, MetaVarName<"<symbol>">; |
| |
| def fix_cortex_a53_843419: F<"fix-cortex-a53-843419">, |
| HelpText<"Apply fixes for AArch64 Cortex-A53 erratum 843419">; |
| |
| def fix_cortex_a8: F<"fix-cortex-a8">, |
| HelpText<"Apply fixes for ARM Cortex-A8 erratum 657417">; |
| |
| def force_group_allocation: FF<"force-group-allocation">, |
| HelpText<"Only meaningful for -r. Section groups are discarded. If two section group members are placed to the same output section, combine their relocations as well">; |
| |
| defm format: Eq<"format", "Change the input format of the inputs following this option">, |
| MetaVarName<"[default,elf,binary]">; |
| |
| defm gc_sections: B<"gc-sections", |
| "Enable garbage collection of unused sections", |
| "Disable garbage collection of unused sections (default)">; |
| |
| defm gdb_index: BB<"gdb-index", |
| "Generate .gdb_index section", |
| "Do not generate .gdb_index section (default)">; |
| |
| defm gnu_unique: BB<"gnu-unique", |
| "Enable STB_GNU_UNIQUE symbol binding (default)", |
| "Disable STB_GNU_UNIQUE symbol binding">; |
| |
| defm hash_style: Eq<"hash-style", "Specify hash style (sysv, gnu or both)">; |
| |
| def help: F<"help">, HelpText<"Print option help">; |
| |
| def icf_all: F<"icf=all">, HelpText<"Enable identical code folding">; |
| |
| def icf_safe: F<"icf=safe">, HelpText<"Enable safe identical code folding">; |
| |
| def icf_none: F<"icf=none">, HelpText<"Disable identical code folding (default)">; |
| |
| def ignore_function_address_equality: FF<"ignore-function-address-equality">, |
| HelpText<"lld can break the address equality of functions">; |
| |
| def ignore_data_address_equality: FF<"ignore-data-address-equality">, |
| HelpText<"lld can break the address equality of data">; |
| |
| defm image_base: EEq<"image-base", "Set the base address">; |
| |
| defm init: Eq<"init", "Specify an initializer function">, |
| MetaVarName<"<symbol>">; |
| |
| defm just_symbols: Eq<"just-symbols", "Just link symbols">; |
| |
| defm keep_unique: Eq<"keep-unique", "Do not fold this symbol during ICF">; |
| |
| def library: JoinedOrSeparate<["-"], "l">, MetaVarName<"<libname>">, |
| HelpText<"Search for library <libname>">; |
| def library_path: JoinedOrSeparate<["-"], "L">, MetaVarName<"<dir>">, |
| HelpText<"Add <dir> to the library search path">; |
| |
| def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">; |
| |
| defm Map: Eq<"Map", "Print a link map to the specified file">; |
| |
| defm merge_exidx_entries: B<"merge-exidx-entries", |
| "Enable merging .ARM.exidx entries (default)", |
| "Disable merging .ARM.exidx entries">; |
| |
| defm mmap_output_file: BB<"mmap-output-file", |
| "Mmap the output file for writing (default)", |
| "Do not mmap the output file for writing">; |
| |
| def nmagic: F<"nmagic">, MetaVarName<"<magic>">, |
| HelpText<"Do not page align sections, link against static libraries.">; |
| |
| def nostdlib: F<"nostdlib">, |
| HelpText<"Only search directories specified on the command line">; |
| |
| def no_dynamic_linker: F<"no-dynamic-linker">, |
| HelpText<"Inhibit output of .interp section">; |
| |
| def noinhibit_exec: F<"noinhibit-exec">, |
| HelpText<"Retain the executable output file whenever it is still usable">; |
| |
| def no_warn_mismatch: F<"no-warn-mismatch">, |
| HelpText<"Suppress errors for certain unknown section types">; |
| |
| def no_nmagic: F<"no-nmagic">, MetaVarName<"<magic>">, |
| HelpText<"Page align sections (default)">; |
| |
| def no_omagic: F<"no-omagic">, MetaVarName<"<magic>">, |
| HelpText<"Do not set the text data sections to be writable, page align sections (default)">; |
| |
| def no_undefined: F<"no-undefined">, |
| HelpText<"Report unresolved symbols even if the linker is creating a shared library">; |
| |
| def no_warnings: FF<"no-warnings">, HelpText<"Suppress warnings and cancel --fatal-warnings">; |
| def : Flag<["-"], "w">, Alias<no_warnings>, HelpText<"Alias for --no-warnings">; |
| |
| def o: JoinedOrSeparate<["-"], "o">, MetaVarName<"<path>">, |
| HelpText<"Path to file to write output">; |
| |
| defm oformat: EEq<"oformat", "Specify the binary format for the output object file">, |
| MetaVarName<"[elf,binary]">; |
| |
| def omagic: FF<"omagic">, MetaVarName<"<magic>">, |
| HelpText<"Set the text and data sections to be readable and writable, do not page align sections, link against static libraries">; |
| |
| defm orphan_handling: |
| Eq<"orphan-handling", "Control how orphan sections are handled when linker script used">; |
| |
| defm pack_dyn_relocs: |
| EEq<"pack-dyn-relocs", "Pack dynamic relocations in the given format">, |
| MetaVarName<"[none,android,relr,android+relr]">; |
| |
| defm use_android_relr_tags: BB<"use-android-relr-tags", |
| "Use SHT_ANDROID_RELR / DT_ANDROID_RELR* tags instead of SHT_RELR / DT_RELR*", |
| "Use SHT_RELR / DT_RELR* tags (default)">; |
| |
| def pic_veneer: F<"pic-veneer">, |
| HelpText<"Always generate position independent thunks (veneers)">; |
| |
| defm pie: B<"pie", |
| "Create a position independent executable", |
| "Do not create a position independent executable (default)">; |
| |
| defm print_gc_sections: B<"print-gc-sections", |
| "List removed unused sections", |
| "Do not list removed unused sections (default)">; |
| |
| defm print_icf_sections: B<"print-icf-sections", |
| "List identical folded sections", |
| "Do not list identical folded sections (default)">; |
| |
| def print_archive_stats: J<"print-archive-stats=">, |
| HelpText<"Write archive usage statistics to the specified file. " |
| "Print the numbers of members and extracted members for each archive">; |
| |
| defm print_symbol_order: Eq<"print-symbol-order", |
| "Print a symbol order specified by --call-graph-ordering-file into the specified file">; |
| |
| def pop_state: F<"pop-state">, |
| HelpText<"Restore the states saved by --push-state">; |
| |
| def push_state: F<"push-state">, |
| HelpText<"Save the current state of --as-needed, -static and --whole-archive">; |
| |
| def print_map: F<"print-map">, |
| HelpText<"Print a link map to the standard output">; |
| |
| def print_memory_usage: F<"print-memory-usage">, |
| HelpText<"Report target memory usage">; |
| |
| defm relax: BB<"relax", |
| "Enable target-specific relaxations if supported (default)", |
| "Disable target-specific relaxations">; |
| |
| defm relax_gp: BB<"relax-gp", |
| "Enable global pointer relaxation", |
| "Disable global pointer relaxation (default)">; |
| |
| defm remap_inputs: EEq<"remap-inputs", |
| "Remap input files matching <from-glob> to <to-file>">, |
| MetaVarName<"<from-glob>=<to-file>">; |
| |
| def remap_inputs_file: JJ<"remap-inputs-file=">, |
| HelpText<"Each line contains 'from-glob=to-file'. An input file matching <from-glob> is remapped to <to-file>">, |
| MetaVarName<"<file>">; |
| |
| defm reproduce: |
| EEq<"reproduce", |
| "Write tar file containing inputs and command to reproduce link">; |
| |
| defm rosegment: BB<"rosegment", |
| "Put read-only non-executable sections in their own segment (default)", |
| "Do not put read-only non-executable sections in their own segment">; |
| |
| defm xosegment: BB<"xosegment", |
| "Put execute-only sections in their own segment", |
| "Do not put execute-only sections in their own segment (default)">; |
| |
| defm rpath: Eq<"rpath", "Add a DT_RUNPATH to the output">; |
| |
| def relocatable: F<"relocatable">, HelpText<"Create relocatable object file">; |
| |
| defm retain_symbols_file: |
| Eq<"retain-symbols-file", "Retain only the symbols listed in the file">, |
| MetaVarName<"<file>">; |
| |
| defm script: Eq<"script", "Read linker script">; |
| |
| defm section_start: Eq<"section-start", "Set address of section">, |
| MetaVarName<"<address>">; |
| |
| def shared: F<"shared">, HelpText<"Build a shared object">; |
| |
| def randomize_section_padding: JJ<"randomize-section-padding=">, |
| HelpText<"Randomly insert padding between input sections and at the start of each segment using given seed">; |
| |
| defm soname: Eq<"soname", "Set DT_SONAME">; |
| |
| defm sort_section: |
| Eq<"sort-section", "Specifies sections sorting rule when linkerscript is used">; |
| |
| def start_group: F<"start-group">, |
| HelpText<"Ignored for compatibility with GNU unless you pass --warn-backrefs">; |
| |
| def start_lib: F<"start-lib">, |
| HelpText<"Start a grouping of objects that should be treated as if they were together in an archive">; |
| |
| def strip_all: F<"strip-all">, HelpText<"Strip all symbols. Implies --strip-debug">; |
| |
| def strip_debug: F<"strip-debug">, HelpText<"Strip debugging information">; |
| |
| defm symbol_ordering_file: |
| EEq<"symbol-ordering-file", "Layout sections to place symbols in the order specified by symbol ordering file">; |
| |
| defm sysroot: Eq<"sysroot", "Set the system root">; |
| |
| def target1_rel: F<"target1-rel">, HelpText<"Interpret R_ARM_TARGET1 as R_ARM_REL32">; |
| |
| def target1_abs: F<"target1-abs">, HelpText<"Interpret R_ARM_TARGET1 as R_ARM_ABS32 (default)">; |
| |
| defm target2: |
| Eq<"target2", "Interpret R_ARM_TARGET2 as <type>, where <type> is one of rel, abs, or got-rel">, |
| MetaVarName<"<type>">; |
| |
| defm threads |
| : EEq<"threads", |
| "Number of threads. '1' disables multi-threading. By default all " |
| "available hardware threads are used">; |
| |
| def time_trace_eq: JJ<"time-trace=">, MetaVarName<"<file>">, |
| HelpText<"Record time trace to <file>">; |
| def : FF<"time-trace">, Alias<time_trace_eq>, |
| HelpText<"Record time trace to file next to output">; |
| |
| defm time_trace_granularity: EEq<"time-trace-granularity", |
| "Minimum time granularity (in microseconds) traced by time profiler">; |
| |
| defm toc_optimize : BB<"toc-optimize", |
| "(PowerPC64) Enable TOC related optimizations (default)", |
| "(PowerPC64) Disable TOC related optimizations">; |
| |
| defm pcrel_optimize : BB<"pcrel-optimize", |
| "(PowerPC64) Enable PC-relative optimizations (default)", |
| "(PowerPC64) Disable PC-relative optimizations">; |
| |
| def trace: F<"trace">, HelpText<"Print the names of the input files">; |
| |
| defm trace_symbol: Eq<"trace-symbol", "Trace references to symbols">; |
| |
| defm undefined: Eq<"undefined", "Force undefined symbol during linking">, |
| MetaVarName<"<symbol>">; |
| |
| defm undefined_glob: EEq<"undefined-glob", "Force undefined symbol during linking">, |
| MetaVarName<"<pattern>">; |
| |
| def unique: F<"unique">, HelpText<"Creates a separate output section for every orphan input section">; |
| |
| defm unresolved_symbols: |
| Eq<"unresolved-symbols", "Determine how to handle unresolved symbols">; |
| |
| defm undefined_version: B<"undefined-version", |
| "Allow unused version in version script (disabled by default)", |
| "Report version scripts that refer undefined symbols">; |
| |
| defm rsp_quoting: EEq<"rsp-quoting", "Quoting style for response files">, |
| MetaVarName<"[posix,windows]">; |
| |
| def v: Flag<["-"], "v">, HelpText<"Display the version number">; |
| |
| def verbose: F<"verbose">, HelpText<"Verbose mode">; |
| |
| def version: F<"version">, HelpText<"Display the version number and exit">; |
| |
| def power10_stubs_eq: JJ<"power10-stubs=">, MetaVarName<"<mode>">, |
| HelpText<"Whether to use Power10 instructions in call stubs for R_PPC64_REL24_NOTOC and TOC/NOTOC " |
| "interworking (yes (default): use; no: don't use). \"auto\" is currently the same as \"yes\"">; |
| def power10_stubs: FF<"power10-stubs">, Alias<power10_stubs_eq>, AliasArgs<["yes"]>, |
| HelpText<"Alias for --power10-stubs=auto">; |
| def no_power10_stubs: FF<"no-power10-stubs">, Alias<power10_stubs_eq>, AliasArgs<["no"]>, |
| HelpText<"Alias for --power10-stubs=no">; |
| |
| defm version_script: Eq<"version-script", "Read a version script">; |
| |
| defm warn_backrefs: BB<"warn-backrefs", |
| "Warn about backward symbol references to extract archive members", |
| "Do not warn about backward symbol references to extract archive members (default)">; |
| |
| defm warn_backrefs_exclude |
| : EEq<"warn-backrefs-exclude", |
| "Glob describing an archive (or an object file within --start-lib) " |
| "which should be ignored for --warn-backrefs.">, |
| MetaVarName<"<glob>">; |
| |
| defm warn_common: B<"warn-common", |
| "Warn about duplicate common symbols", |
| "Do not warn about duplicate common symbols (default)">; |
| |
| defm warn_ifunc_textrel: BB<"warn-ifunc-textrel", |
| "Warn about using ifunc symbols with text relocations", |
| "Do not warn about using ifunc symbols with text relocations (default)">; |
| |
| defm warn_symbol_ordering: BB<"warn-symbol-ordering", |
| "Warn about problems with the symbol ordering file (default)", |
| "Do not warn about problems with the symbol ordering file">; |
| |
| def warn_unresolved_symbols: F<"warn-unresolved-symbols">, |
| HelpText<"Report unresolved symbols as warnings">; |
| |
| defm whole_archive: B<"whole-archive", |
| "Force load of all members in a static library", |
| "Do not force load of all members in a static library (default)">; |
| |
| def why_extract: JJ<"why-extract=">, HelpText<"Print to a file about why archive members are extracted">; |
| |
| defm why_live |
| : EEq<"why-live", |
| "Report a chain of references preventing garbage collection for " |
| "each symbol matching <glob>">, |
| MetaVarName<"<glob>">; |
| |
| defm wrap : Eq<"wrap", "Redirect symbol references to __wrap_symbol and " |
| "__real_symbol references to symbol">, |
| MetaVarName<"<symbol>">; |
| |
| def z: JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, |
| HelpText<"Linker option extensions">; |
| |
| def visual_studio_diagnostics_format : FF<"vs-diagnostics">, |
| HelpText<"Format diagnostics for Visual Studio compatibility">; |
| |
| def package_metadata: JJ<"package-metadata=">, HelpText<"Emit a percent-encoded string to the .note.package section">; |
| |
| // Aliases |
| def: Separate<["-"], "dT">, Alias<default_script>, HelpText<"Alias for --default-script">; |
| def: Separate<["-"], "f">, Alias<auxiliary>, HelpText<"Alias for --auxiliary">; |
| def: F<"call_shared">, Alias<Bdynamic>, HelpText<"Alias for --Bdynamic">; |
| def: F<"dy">, Alias<Bdynamic>, HelpText<"Alias for --Bdynamic">; |
| def: F<"dn">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; |
| def: F<"non_shared">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; |
| def: F<"static">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; |
| def: Flag<["-"], "x">, Alias<discard_all>, HelpText<"Alias for --discard-all">; |
| def: Flag<["-"], "X">, Alias<discard_locals>, HelpText<"Alias for --discard-locals">; |
| def: Flag<["-"], "q">, Alias<emit_relocs>, HelpText<"Alias for --emit-relocs">; |
| def: Flag<["-"], ")">, Alias<end_group>, HelpText<"Alias for --end-group">; |
| def: JoinedOrSeparate<["-"], "e">, Alias<entry>, HelpText<"Alias for --entry">; |
| def: Flag<["-"], "E">, Alias<export_dynamic>, HelpText<"Alias for --export-dynamic">; |
| def: Separate<["-"], "F">, Alias<filter>, HelpText<"Alias for --filter">; |
| def: Separate<["-"], "b">, Alias<format>, HelpText<"Alias for --format">; |
| def: Separate<["--", "-"], "library">, Alias<library>; |
| def: Joined<["--", "-"], "library=">, Alias<library>; |
| def: Separate<["--", "-"], "library-path">, Alias<library_path>; |
| def: Joined<["--", "-"], "library-path=">, Alias<library_path>; |
| def: Flag<["-"], "n">, Alias<nmagic>, HelpText<"Alias for --nmagic">; |
| def: Flag<["-"], "N">, Alias<omagic>, HelpText<"Alias for --omagic">; |
| def: Joined<["--"], "output=">, Alias<o>, HelpText<"Alias for -o">; |
| def: Separate<["--"], "output">, Alias<o>, HelpText<"Alias for -o">; |
| def: F<"pic-executable">, Alias<pie>, HelpText<"Alias for --pie">; |
| def: Flag<["-"], "M">, Alias<print_map>, HelpText<"Alias for --print-map">; |
| def: Flag<["-"], "r">, Alias<relocatable>, HelpText<"Alias for --relocatable">; |
| def: JoinedOrSeparate<["-"], "R">, Alias<rpath>, HelpText<"Alias for --rpath">; |
| def: JoinedOrSeparate<["-"], "T">, Alias<script>, HelpText<"Alias for --script">; |
| def: F<"Bshareable">, Alias<shared>, HelpText<"Alias for --shared">; |
| def: JoinedOrSeparate<["-"], "h">, Alias<soname>, HelpText<"Alias for --soname">; |
| def: Flag<["-"], "(">, Alias<start_group>, HelpText<"Alias for --start-group">; |
| def: Flag<["-"], "s">, Alias<strip_all>, HelpText<"Alias for --strip-all">; |
| def: Flag<["-"], "S">, Alias<strip_debug>, HelpText<"Alias for --strip-debug">; |
| def: Flag<["-"], "t">, Alias<trace>, HelpText<"Alias for --trace">; |
| def: Joined<["-", "--"], "Ttext-segment=">, Alias<Ttext_segment>; |
| def: JoinedOrSeparate<["-"], "y">, Alias<trace_symbol>, HelpText<"Alias for --trace-symbol">; |
| def: JoinedOrSeparate<["-"], "u">, Alias<undefined>, HelpText<"Alias for --undefined">; |
| def: Flag<["-"], "V">, Alias<v>, HelpText<"Alias for -v">; |
| |
| // LTO-related options. |
| |
| def lto: JJ<"lto=">, HelpText<"Set LTO backend">, |
| MetaVarName<"[full,thin]">; |
| def lto_aa_pipeline: JJ<"lto-aa-pipeline=">, |
| HelpText<"AA pipeline to run during LTO. Used in conjunction with -lto-newpm-passes">; |
| def lto_debug_pass_manager: FF<"lto-debug-pass-manager">, |
| HelpText<"Debug new pass manager">; |
| def lto_emit_asm: FF<"lto-emit-asm">, |
| HelpText<"Emit assembly code">; |
| def lto_emit_llvm: FF<"lto-emit-llvm">, |
| HelpText<"Emit LLVM-IR bitcode">; |
| def lto_newpm_passes: JJ<"lto-newpm-passes=">, |
| HelpText<"Passes to run during LTO">; |
| def lto_O: JJ<"lto-O">, MetaVarName<"<opt-level>">, |
| HelpText<"Optimization level for LTO">; |
| def lto_CGO: JJ<"lto-CGO">, MetaVarName<"<cgopt-level>">, |
| HelpText<"Codegen optimization level for LTO">; |
| def lto_partitions: JJ<"lto-partitions=">, |
| HelpText<"Number of LTO codegen partitions">; |
| def lto_cs_profile_generate: FF<"lto-cs-profile-generate">, |
| HelpText<"Perform context sensitive PGO instrumentation">; |
| def lto_cs_profile_file: JJ<"lto-cs-profile-file=">, |
| HelpText<"Context sensitive profile file path">; |
| defm lto_pgo_warn_mismatch: BB<"lto-pgo-warn-mismatch", |
| "turn on warnings about profile cfg mismatch (default)", |
| "turn off warnings about profile cfg mismatch">; |
| defm lto_known_safe_vtables : EEq<"lto-known-safe-vtables", |
| "When --lto-validate-all-vtables-have-type-infos is enabled, skip validation on these vtables (_ZTV symbols)">; |
| def lto_obj_path_eq: JJ<"lto-obj-path=">; |
| def lto_sample_profile: JJ<"lto-sample-profile=">, |
| HelpText<"Sample profile file path">; |
| defm lto_validate_all_vtables_have_type_infos: BB<"lto-validate-all-vtables-have-type-infos", |
| "Validate that all vtables have type infos for LTO link", |
| "Do not validate that all vtables have type infos for LTO link">; |
| defm lto_whole_program_visibility: BB<"lto-whole-program-visibility", |
| "Asserts that the LTO link has whole program visibility", |
| "Asserts that the LTO link does not have whole program visibility">; |
| def disable_verify: F<"disable-verify">; |
| defm mllvm: Eq<"mllvm", "Additional arguments to forward to LLVM's option processing">; |
| def opt_remarks_filename: Separate<["--"], "opt-remarks-filename">, |
| HelpText<"YAML output file for optimization remarks">; |
| defm opt_remarks_hotness_threshold: EEq<"opt-remarks-hotness-threshold", |
| "Minimum profile count required for an optimization remark to be output." |
| " Use 'auto' to apply the threshold from profile summary.">, |
| MetaVarName<"<value>">; |
| def opt_remarks_passes: Separate<["--"], "opt-remarks-passes">, |
| HelpText<"Regex for the passes that need to be serialized to the output file">; |
| def opt_remarks_with_hotness: FF<"opt-remarks-with-hotness">, |
| HelpText<"Include hotness information in the optimization remarks file">; |
| def opt_remarks_format: Separate<["--"], "opt-remarks-format">, |
| HelpText<"The format used for serializing remarks (default: YAML)">; |
| def save_temps: F<"save-temps">, HelpText<"Save intermediate LTO compilation results">; |
| def save_temps_eq: JJ<"save-temps=">, HelpText<"Save select intermediate LTO compilation results">, |
| Values<"resolution,preopt,promote,internalize,import,opt,precodegen,prelink,combinedindex">; |
| def lto_basic_block_sections: JJ<"lto-basic-block-sections=">, |
| HelpText<"Enable basic block sections for LTO">; |
| defm lto_basic_block_address_map: BB<"lto-basic-block-address-map", |
| "Emit basic block address map for LTO", |
| "Do not emit basic block address map for LTO (default)">; |
| defm lto_unique_basic_block_section_names: BB<"lto-unique-basic-block-section-names", |
| "Give unique names to every basic block section for LTO", |
| "Do not give unique names to every basic block section for LTO (default)">; |
| defm shuffle_sections: EEq<"shuffle-sections", |
| "Shuffle matched sections using the given seed before mapping them to the output sections. " |
| "If -1, reverse the section order. If 0, use a random seed">, |
| MetaVarName<"<section-glob>=<seed>">; |
| def thinlto_cache_dir: JJ<"thinlto-cache-dir=">, |
| HelpText<"Path to ThinLTO cached object file directory">; |
| defm thinlto_cache_policy: EEq<"thinlto-cache-policy", "Pruning policy for the ThinLTO cache">; |
| def thinlto_emit_imports_files: FF<"thinlto-emit-imports-files">; |
| def thinlto_emit_index_files: FF<"thinlto-emit-index-files">; |
| def thinlto_index_only: FF<"thinlto-index-only">; |
| def thinlto_index_only_eq: JJ<"thinlto-index-only=">; |
| def thinlto_jobs_eq: JJ<"thinlto-jobs=">, |
| HelpText<"Number of ThinLTO jobs. Default to --threads=">; |
| def thinlto_object_suffix_replace_eq: JJ<"thinlto-object-suffix-replace=">; |
| def thinlto_prefix_replace_eq: JJ<"thinlto-prefix-replace=">; |
| def thinlto_single_module_eq: JJ<"thinlto-single-module=">, |
| HelpText<"Specify a single module to compile in ThinLTO mode, for debugging only">; |
| def thinlto_distributor_eq: JJ<"thinlto-distributor=">, |
| HelpText<"Distributor to use for ThinLTO backend compilations. If specified, " |
| "ThinLTO backend compilations will be distributed">; |
| defm thinlto_distributor_arg: EEq<"thinlto-distributor-arg", "Arguments to " |
| "pass to the ThinLTO distributor">; |
| def thinlto_compiler_eq: JJ<"thinlto-remote-compiler=">, |
| HelpText<"Compiler for the ThinLTO distributor to invoke for ThinLTO backend " |
| "compilations">; |
| defm thinlto_compiler_arg: EEq<"thinlto-remote-compiler-arg", "Compiler " |
| "arguments for the ThinLTO distributor to pass for ThinLTO backend " |
| "compilations">; |
| defm fat_lto_objects: BB<"fat-lto-objects", |
| "Use the .llvm.lto section, which contains LLVM bitcode, in fat LTO object files to perform LTO.", |
| "Ignore the .llvm.lto section in relocatable object files (default).">; |
| |
| def: J<"plugin-opt=O">, Alias<lto_O>, HelpText<"Alias for --lto-O">; |
| def: F<"plugin-opt=debug-pass-manager">, |
| Alias<lto_debug_pass_manager>, HelpText<"Alias for --lto-debug-pass-manager">; |
| def: F<"plugin-opt=disable-verify">, Alias<disable_verify>, HelpText<"Alias for --disable-verify">; |
| def plugin_opt_dwo_dir_eq: J<"plugin-opt=dwo_dir=">, |
| HelpText<"Directory to store .dwo files when LTO and debug fission are used">; |
| def plugin_opt_emit_asm: F<"plugin-opt=emit-asm">, |
| Alias<lto_emit_asm>, HelpText<"Alias for --lto-emit-asm">; |
| def plugin_opt_emit_llvm: F<"plugin-opt=emit-llvm">, |
| Alias<lto_emit_llvm>, HelpText<"Alias for --lto-emit-llvm">; |
| def: J<"plugin-opt=jobs=">, Alias<thinlto_jobs_eq>, HelpText<"Alias for --thinlto-jobs=">; |
| def: J<"plugin-opt=lto-partitions=">, Alias<lto_partitions>, HelpText<"Alias for --lto-partitions">; |
| def plugin_opt_mcpu_eq: J<"plugin-opt=mcpu=">; |
| def: F<"plugin-opt=cs-profile-generate">, |
| Alias<lto_cs_profile_generate>, HelpText<"Alias for --lto-cs-profile-generate">; |
| def: J<"plugin-opt=cs-profile-path=">, |
| Alias<lto_cs_profile_file>, HelpText<"Alias for --lto-cs-profile-file">; |
| def: J<"plugin-opt=obj-path=">, |
| Alias<lto_obj_path_eq>, |
| HelpText<"Alias for --lto-obj-path=">; |
| def: J<"plugin-opt=opt-remarks-filename=">, |
| Alias<opt_remarks_filename>, |
| HelpText<"Alias for --opt-remarks-filename">; |
| def: J<"plugin-opt=opt-remarks-passes=">, |
| Alias<opt_remarks_passes>, |
| HelpText<"Alias for --opt-remarks-passes">; |
| def: J<"plugin-opt=opt-remarks-format=">, |
| Alias<opt_remarks_format>, |
| HelpText<"Alias for --opt-remarks-format">; |
| def: F<"plugin-opt=opt-remarks-with-hotness">, |
| Alias<opt_remarks_with_hotness>, |
| HelpText<"Alias for --opt-remarks-with-hotness">; |
| def: J<"plugin-opt=opt-remarks-hotness-threshold=">, |
| Alias<opt_remarks_hotness_threshold>, |
| HelpText<"Alias for --opt-remarks-hotness-threshold">; |
| def: J<"plugin-opt=sample-profile=">, |
| Alias<lto_sample_profile>, HelpText<"Alias for --lto-sample-profile">; |
| def: F<"plugin-opt=save-temps">, Alias<save_temps>, HelpText<"Alias for --save-temps">; |
| def plugin_opt_stats_file: J<"plugin-opt=stats-file=">, |
| HelpText<"Filename to write LTO statistics to">; |
| def: J<"plugin-opt=time-trace=">, Alias<time_trace_eq>, HelpText<"Alias for --time-trace=">; |
| def: F<"plugin-opt=thinlto-emit-imports-files">, |
| Alias<thinlto_emit_imports_files>, |
| HelpText<"Alias for --thinlto-emit-imports-files">; |
| def: F<"plugin-opt=thinlto-index-only">, |
| Alias<thinlto_index_only>, |
| HelpText<"Alias for --thinlto-index-only">; |
| def: J<"plugin-opt=thinlto-index-only=">, |
| Alias<thinlto_index_only_eq>, |
| HelpText<"Alias for --thinlto-index-only=">; |
| def: J<"plugin-opt=thinlto-object-suffix-replace=">, |
| Alias<thinlto_object_suffix_replace_eq>, |
| HelpText<"Alias for --thinlto-object-suffix-replace=">; |
| def: J<"plugin-opt=thinlto-prefix-replace=">, |
| Alias<thinlto_prefix_replace_eq>, |
| HelpText<"Alias for --thinlto-prefix-replace=">; |
| |
| // Ignore LTO plugin-related options. |
| // clang -flto passes -plugin and -plugin-opt to the linker. This is required |
| // for ld.gold and ld.bfd to get LTO working. But it's not for lld which doesn't |
| // rely on a plugin. Instead of detecting which linker is used on clang side we |
| // just ignore the option on lld side as it's easier. In fact, the linker could |
| // be called 'ld' and understanding which linker is used would require parsing of |
| // --version output. |
| defm plugin: Eq<"plugin", "Ignored for compatibility with GNU linkers">; |
| |
| def plugin_opt_eq_minus: J<"plugin-opt=-">, |
| HelpText<"Specify an LLVM option for compatibility with LLVMgold.so">; |
| def: J<"plugin-opt=thinlto">; |
| |
| // Ignore GCC collect2 LTO plugin related options. Note that we don't support |
| // GCC LTO, but GCC collect2 passes these options even in non-LTO mode. |
| def: J<"plugin-opt=-fresolution=">; |
| def: J<"plugin-opt=-pass-through=">; |
| // This may be either an unhandled LLVMgold.so feature or GCC passed |
| // -plugin-opt=path/to/{liblto_plugin.so,lto-wrapper} |
| def plugin_opt_eq : J<"plugin-opt=">; |
| |
| // Options listed below are silently ignored for now for compatibility. |
| def: Flag<["-"], "d">; |
| def: Flag<["-"], "g">; |
| def: F<"long-plt">; |
| def: FF<"no-add-needed">; |
| def: F<"no-copy-dt-needed-entries">; |
| def: F<"no-ctors-in-init-array">; |
| def: F<"no-keep-memory">; |
| def: Separate<["--", "-"], "rpath-link">; |
| def: J<"rpath-link=">; |
| def: F<"secure-plt">; |
| def: F<"sort-common">; |
| def: F<"stats">; |
| def: F<"warn-execstack">; |
| def: F<"warn-once">; |
| def: F<"warn-shared-textrel">; |
| def: JoinedOrSeparate<["-"], "G">; |
| |
| // Hidden option used for testing MIPS multi-GOT implementation. |
| defm mips_got_size: |
| Eq<"mips-got-size", "Max size of a single MIPS GOT. 0x10000 by default.">, |
| Flags<[HelpHidden]>; |
| |
| // Hidden option used to opt-in to additional output checks. |
| defm check_dynamic_relocations: BB<"check-dynamic-relocations", |
| "Perform additional validation of the written dynamic relocations", |
| "Do not perform additional validation of the written dynamic relocations">, |
| Flags<[HelpHidden]>; |
| |
| defm load_pass_plugins: EEq<"load-pass-plugin", "Load passes from plugin library">; |
| |
| // Hidden options, used by clang's -fsanitize=memtag-* options to emit an ELF |
| // note to designate what kinds of memory (stack/heap) should be protected using |
| // ARM's MTE on armv8.5+. A binary's desire for stack MTE can't be obtained |
| // implicitly, so we have a specific bit in the note to signal to the loader to |
| // remap the stack as PROT_MTE. |
| defm android_memtag_stack: BB<"android-memtag-stack", |
| "Instruct the dynamic loader to prepare for MTE stack instrumentation", "">; |
| defm android_memtag_heap: BB<"android-memtag-heap", |
| "Instruct the dynamic loader to enable MTE protection for the heap", "">; |
| defm android_memtag_mode: EEq<"android-memtag-mode", |
| "Instruct the dynamic loader to start under MTE mode {async, sync, none}">; |
