| 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>; |
| class S<string name>: Separate<["--", "-"], 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>; |
| } |
| |
| // The following flags are shared with the ELF linker |
| def Bsymbolic: F<"Bsymbolic">, HelpText<"Bind defined symbols locally">; |
| |
| def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries (default)">; |
| |
| def Bstatic: F<"Bstatic">, HelpText<"Do not link against shared libraries">; |
| |
| def build_id: F<"build-id">, HelpText<"Alias for --build-id=fast">; |
| |
| def build_id_eq: J<"build-id=">, HelpText<"Generate build ID note">, |
| MetaVarName<"[fast,sha1,uuid,0x<hexstring>]">; |
| |
| defm color_diagnostics: B<"color-diagnostics", |
| "Alias for --color-diagnostics=always", |
| "Alias for --color-diagnostics=never">; |
| def color_diagnostics_eq: J<"color-diagnostics=">, |
| HelpText<"Use colors in diagnostics (default: auto)">, |
| MetaVarName<"[auto,always,never]">; |
| |
| def compress_relocations: F<"compress-relocations">, |
| HelpText<"Compress the relocation targets in the code section.">; |
| |
| defm demangle: B<"demangle", |
| "Demangle symbol names", |
| "Do not demangle symbol names">; |
| |
| def emit_relocs: F<"emit-relocs">, HelpText<"Generate relocations in output">; |
| |
| def error_unresolved_symbols: F<"error-unresolved-symbols">, |
| HelpText<"Report unresolved symbols as errors">; |
| |
| defm export_dynamic: B<"export-dynamic", |
| "Put symbols in the dynamic symbol table", |
| "Do not put symbols in the dynamic symbol table (default)">; |
| |
| def end_lib: F<"end-lib">, |
| HelpText<"End a grouping of objects that should be treated as if they were together in an archive">; |
| |
| def entry: S<"entry">, MetaVarName<"<entry>">, |
| HelpText<"Name of entry point symbol">; |
| |
| defm error_limit: |
| EEq<"error-limit", "Maximum number of errors to emit before stopping (0 = no limit)">; |
| |
| def fatal_warnings: F<"fatal-warnings">, |
| HelpText<"Treat warnings as errors">; |
| |
| defm gc_sections: B<"gc-sections", |
| "Enable garbage collection of unused sections", |
| "Disable garbage collection of unused sections">; |
| |
| defm merge_data_segments: BB<"merge-data-segments", |
| "Enable merging data segments", |
| "Disable merging data segments">; |
| |
| def help: F<"help">, HelpText<"Print option help">; |
| |
| def library: JoinedOrSeparate<["-"], "l">, MetaVarName<"<libName>">, |
| HelpText<"Root name of library to use">; |
| |
| def library_path: JoinedOrSeparate<["-"], "L">, MetaVarName<"<dir>">, |
| HelpText<"Add a directory to the library search path">; |
| |
| def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">; |
| |
| defm mllvm: Eq<"mllvm", "Additional arguments to forward to LLVM's option processing">; |
| |
| defm Map: Eq<"Map", "Print a link map to the specified file">; |
| |
| def no_fatal_warnings: F<"no-fatal-warnings">; |
| |
| def o: JoinedOrSeparate<["-"], "o">, MetaVarName<"<path>">, |
| HelpText<"Path to file to write output">; |
| |
| def O: JoinedOrSeparate<["-"], "O">, HelpText<"Optimize output file size">; |
| |
| 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">; |
| |
| def print_map: F<"print-map">, |
| HelpText<"Print a link map to the standard output">; |
| |
| def relocatable: F<"relocatable">, HelpText<"Create relocatable object file">; |
| |
| defm reproduce: EEq<"reproduce", "Dump linker invocation and input files for debugging">; |
| |
| defm rsp_quoting: Eq<"rsp-quoting", "Quoting style for response files">, |
| MetaVarName<"[posix,windows]">; |
| |
| def shared: F<"shared">, HelpText<"Build a shared object">; |
| |
| 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">; |
| |
| def strip_debug: F<"strip-debug">, HelpText<"Strip debugging information">; |
| |
| defm threads |
| : Eq<"threads", "Number of threads. '1' disables multi-threading. By " |
| "default all available hardware threads are used">; |
| |
| 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">; |
| |
| defm unresolved_symbols: |
| Eq<"unresolved-symbols", "Determine how to handle unresolved symbols">; |
| |
| 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 warn_unresolved_symbols: F<"warn-unresolved-symbols">, |
| HelpText<"Report unresolved symbols as warnings">; |
| |
| defm wrap: Eq<"wrap", "Use wrapper functions for symbol">, |
| MetaVarName<"<symbol>=<symbol>">; |
| |
| def z: JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, |
| HelpText<"Linker option extensions">; |
| |
| // The follow flags are unique to wasm |
| |
| def allow_undefined: F<"allow-undefined">, |
| HelpText<"Allow undefined symbols in linked binary. " |
| "This options is equivalent to --import-undefined " |
| "and --unresolved-symbols=ignore-all">; |
| |
| def import_undefined: F<"import-undefined">, |
| HelpText<"Turn undefined symbols into imports where possible">; |
| |
| def allow_undefined_file: J<"allow-undefined-file=">, |
| HelpText<"Allow symbols listed in <file> to be undefined in linked binary">; |
| |
| def allow_undefined_file_s: Separate<["-"], "allow-undefined-file">, |
| Alias<allow_undefined_file>; |
| |
| defm export: Eq<"export", "Force a symbol to be exported">; |
| |
| defm export_if_defined: Eq<"export-if-defined", |
| "Force a symbol to be exported, if it is defined in the input">; |
| |
| def export_all: FF<"export-all">, |
| HelpText<"Export all symbols (normally combined with --no-gc-sections)">; |
| |
| def export_table: FF<"export-table">, |
| HelpText<"Export function table to the environment">; |
| |
| def growable_table: FF<"growable-table">, |
| HelpText<"Remove maximum size from function table, allowing table to grow">; |
| |
| def global_base: JJ<"global-base=">, |
| HelpText<"Memory offset at which to place global data (Defaults to 1024)">; |
| |
| defm keep_section: Eq<"keep-section", |
| "Preserve a section even when --strip-all is given. This is useful for compiler drivers such as clang or emcc that, for example, depend on the features section for post-link processing. Can be specified multiple times to keep multiple sections">; |
| |
| def import_memory: FF<"import-memory">, |
| HelpText<"Import the module's memory from the default module of \"env\" with the name \"memory\".">; |
| def import_memory_with_name: JJ<"import-memory=">, |
| HelpText<"Import the module's memory from the passed module with the passed name.">, |
| MetaVarName<"<module>,<name>">; |
| |
| def export_memory: FF<"export-memory">, |
| HelpText<"Export the module's memory with the default name of \"memory\"">; |
| def export_memory_with_name: JJ<"export-memory=">, |
| HelpText<"Export the module's memory with the passed name">; |
| |
| def shared_memory: FF<"shared-memory">, |
| HelpText<"Use shared linear memory">; |
| |
| defm soname: Eq<"soname", "Set the module name in the generated name section">; |
| |
| def import_table: FF<"import-table">, |
| HelpText<"Import function table from the environment">; |
| |
| def initial_heap: JJ<"initial-heap=">, |
| HelpText<"Initial size of the heap">; |
| |
| def initial_memory: JJ<"initial-memory=">, |
| HelpText<"Initial size of the linear memory">; |
| |
| def max_memory: JJ<"max-memory=">, |
| HelpText<"Maximum size of the linear memory">; |
| |
| def no_growable_memory: FF<"no-growable-memory">, |
| HelpText<"Set maximum size of the linear memory to its initial size">; |
| |
| def no_entry: FF<"no-entry">, |
| HelpText<"Do not output any entry point">; |
| |
| def stack_first: FF<"stack-first">, |
| HelpText<"Place stack at start of linear memory rather than after data">; |
| |
| def table_base: JJ<"table-base=">, |
| HelpText<"Table offset at which to place address taken functions (Defaults to 1)">; |
| |
| 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 check_features: BB<"check-features", |
| "Check feature compatibility of linked objects (default)", |
| "Ignore feature compatibility of linked objects">; |
| |
| def features: CommaJoined<["--", "-"], "features=">, |
| HelpText<"Comma-separated used features, inferred from input objects by default.">; |
| |
| def extra_features: CommaJoined<["--", "-"], "extra-features=">, |
| HelpText<"Comma-separated list of features to add to the default set of features inferred from input objects.">; |
| |
| // Aliases |
| def: JoinedOrSeparate<["-"], "e">, Alias<entry>; |
| def: J<"entry=">, Alias<entry>; |
| 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<["-"], "E">, Alias<export_dynamic>, HelpText<"Alias for --export-dynamic">; |
| def: Flag<["-"], "i">, Alias<initial_memory>; |
| 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<["-"], "M">, Alias<print_map>, HelpText<"Alias for --print-map">; |
| def: Flag<["-"], "r">, Alias<relocatable>; |
| 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: JoinedOrSeparate<["-"], "y">, Alias<trace_symbol>, HelpText<"Alias for --trace-symbol">; |
| def: JoinedOrSeparate<["-"], "u">, Alias<undefined>; |
| |
| // LTO-related options. |
| 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 disable_verify: F<"disable-verify">; |
| def save_temps: F<"save-temps">, HelpText<"Save intermediate LTO compilation results">; |
| 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_jobs: JJ<"thinlto-jobs=">, |
| HelpText<"Number of ThinLTO jobs. Default to --threads=">; |
| def lto_debug_pass_manager: FF<"lto-debug-pass-manager">, |
| HelpText<"Debug new pass manager">; |
| |
| // Experimental PIC mode. |
| def experimental_pic: FF<"experimental-pic">, |
| HelpText<"Enable Experimental PIC">; |
