1include "llvm/Option/OptParser.td" 2 3// Convenience classes for long options which only accept two dashes. For lld 4// specific or newer long options, we prefer two dashes to avoid collision with 5// short options. For many others, we have to accept both forms to be compatible 6// with GNU ld. 7class FF<string name> : Flag<["--"], name>; 8class JJ<string name>: Joined<["--"], name>; 9 10multiclass EEq<string name, string help> { 11 def NAME: Separate<["--"], name>; 12 def NAME # _eq: Joined<["--"], name # "=">, Alias<!cast<Separate>(NAME)>, 13 HelpText<help>; 14} 15 16multiclass BB<string name, string help1, string help2> { 17 def NAME: Flag<["--"], name>, HelpText<help1>; 18 def no_ # NAME: Flag<["--"], "no-" # name>, HelpText<help2>; 19} 20 21// For options whose names are multiple letters, either one dash or 22// two can precede the option name except those that start with 'o'. 23class F<string name>: Flag<["--", "-"], name>; 24class J<string name>: Joined<["--", "-"], name>; 25 26multiclass Eq<string name, string help> { 27 def NAME: Separate<["--", "-"], name>; 28 def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>, 29 HelpText<help>; 30} 31 32multiclass B<string name, string help1, string help2> { 33 def NAME: Flag<["--", "-"], name>, HelpText<help1>; 34 def no_ # NAME: Flag<["--", "-"], "no-" # name>, HelpText<help2>; 35} 36 37defm auxiliary: Eq<"auxiliary", "Set DT_AUXILIARY field to the specified name">; 38 39def Bno_symbolic: F<"Bno-symbolic">, HelpText<"Don't bind default visibility defined symbols locally for -shared (default)">; 40 41def Bsymbolic: F<"Bsymbolic">, HelpText<"Bind default visibility defined symbols locally for -shared">; 42 43def Bsymbolic_functions: F<"Bsymbolic-functions">, 44 HelpText<"Bind default visibility defined function symbols locally for -shared">; 45 46def Bsymbolic_non_weak_functions: F<"Bsymbolic-non-weak-functions">, 47 HelpText<"Bind default visibility defined STB_GLOBAL function symbols locally for -shared">; 48 49def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries (default)">; 50 51def Bstatic: F<"Bstatic">, HelpText<"Do not link against shared libraries">; 52 53def build_id: F<"build-id">, HelpText<"Alias for --build-id=fast">; 54 55def build_id_eq: J<"build-id=">, HelpText<"Generate build ID note">, 56 MetaVarName<"[fast,md5,sha1,uuid,0x<hexstring>]">; 57 58defm check_sections: B<"check-sections", 59 "Check section addresses for overlaps (default)", 60 "Do not check section addresses for overlaps">; 61 62defm compress_debug_sections: 63 Eq<"compress-debug-sections", "Compress DWARF debug sections">, 64 MetaVarName<"[none,zlib]">; 65 66defm defsym: Eq<"defsym", "Define a symbol alias">, MetaVarName<"<symbol>=<value>">; 67 68defm optimize_bb_jumps: BB<"optimize-bb-jumps", 69 "Remove direct jumps at the end to the next basic block", 70 "Do not remove any direct jumps at the end to the next basic block (default)">; 71 72defm fortran_common : BB<"fortran-common", 73 "Search archive members for definitions to override COMMON symbols (default)", 74 "Do not search archive members for definitions to override COMMON symbols">; 75 76defm split_stack_adjust_size 77 : Eq<"split-stack-adjust-size", 78 "Specify adjustment to stack size when a split-stack function calls a " 79 "non-split-stack function">, 80 MetaVarName<"<value>">; 81 82defm library_path: 83 Eq<"library-path", "Add a directory to the library search path">, MetaVarName<"<dir>">; 84 85def O: JoinedOrSeparate<["-"], "O">, HelpText<"Optimize output file size">; 86 87defm Tbss: Eq<"Tbss", "Same as --section-start with .bss as the sectionname">; 88 89defm Tdata: Eq<"Tdata", "Same as --section-start with .data as the sectionname">; 90 91defm Ttext: Eq<"Ttext", "Same as --section-start with .text as the sectionname">; 92 93def Ttext_segment: Separate<["-", "--"], "Ttext-segment">; 94 95defm allow_multiple_definition: B<"allow-multiple-definition", 96 "Allow multiple definitions", 97 "Do not allow multiple definitions (default)">; 98 99defm allow_shlib_undefined: B<"allow-shlib-undefined", 100 "Allow unresolved references in shared libraries (default when linking a shared library)", 101 "Do not allow unresolved references in shared libraries (default when linking an executable)">; 102 103defm apply_dynamic_relocs: BB<"apply-dynamic-relocs", 104 "Apply link-time values for dynamic relocations", 105 "Do not apply link-time values for dynamic relocations (default)">; 106 107defm dependent_libraries: BB<"dependent-libraries", 108 "Process dependent library specifiers from input files (default)", 109 "Ignore dependent library specifiers from input files">; 110 111defm as_needed: B<"as-needed", 112 "Only set DT_NEEDED for shared libraries if used", 113 "Always set DT_NEEDED for shared libraries (default)">; 114 115defm call_graph_ordering_file: 116 Eq<"call-graph-ordering-file", "Layout sections to optimize the given callgraph">; 117 118defm call_graph_profile_sort: BB<"call-graph-profile-sort", 119 "Reorder sections with call graph profile (default)", 120 "Do not reorder sections with call graph profile">; 121 122// -chroot doesn't have a help text because it is an internal option. 123def chroot: Separate<["--", "-"], "chroot">; 124 125defm color_diagnostics: B<"color-diagnostics", 126 "Alias for --color-diagnostics=always", 127 "Alias for --color-diagnostics=never">; 128def color_diagnostics_eq: J<"color-diagnostics=">, 129 HelpText<"Use colors in diagnostics (default: auto)">, 130 MetaVarName<"[auto,always,never]">; 131 132def cref: FF<"cref">, HelpText<"Output cross reference table">; 133 134defm define_common: B<"define-common", 135 "Assign space to common symbols", 136 "Do not assign space to common symbols">; 137 138defm demangle: B<"demangle", 139 "Demangle symbol names (default)", 140 "Do not demangle symbol names">; 141 142defm dependency_file: EEq<"dependency-file", "Write a dependency file">, 143 MetaVarName<"<file>">; 144 145def disable_new_dtags: F<"disable-new-dtags">, 146 HelpText<"Disable new dynamic tags">; 147 148def discard_all: F<"discard-all">, HelpText<"Delete all local symbols">; 149 150def discard_locals: F<"discard-locals">, 151 HelpText<"Delete temporary local symbols">; 152 153def discard_none: F<"discard-none">, 154 HelpText<"Keep all symbols in the symbol table">; 155 156defm dynamic_linker: Eq<"dynamic-linker", "Which dynamic linker to use">; 157 158defm dynamic_list : Eq<"dynamic-list", 159 "Similar to --export-dynamic-symbol-list. When creating a shared object, " 160 "this additionally implies -Bsymbolic but does not set DF_SYMBOLIC">, 161 MetaVarName<"<file>">; 162 163def eb: F<"EB">, HelpText<"Select the big-endian format in OUTPUT_FORMAT">; 164def el: F<"EL">, HelpText<"Select the little-endian format in OUTPUT_FORMAT">; 165 166defm eh_frame_hdr: B<"eh-frame-hdr", 167 "Request creation of .eh_frame_hdr section and PT_GNU_EH_FRAME segment header", 168 "Do not create .eh_frame_hdr section">; 169 170def emit_relocs: F<"emit-relocs">, HelpText<"Generate relocations in output">; 171 172def enable_new_dtags: F<"enable-new-dtags">, 173 HelpText<"Enable new dynamic tags (default)">; 174 175def end_group: F<"end-group">, 176 HelpText<"Ignored for compatibility with GNU unless you pass --warn-backrefs">; 177 178def end_lib: F<"end-lib">, 179 HelpText<"End a grouping of objects that should be treated as if they were together in an archive">; 180 181defm entry: Eq<"entry", "Name of entry point symbol">, 182 MetaVarName<"<entry>">; 183 184defm error_limit: 185 Eq<"error-limit", "Maximum number of errors to emit before stopping (0 = no limit)">; 186 187def error_unresolved_symbols: F<"error-unresolved-symbols">, 188 HelpText<"Report unresolved symbols as errors">; 189 190defm error_handling_script: EEq<"error-handling-script", 191 "Specify an error handling script">; 192 193defm exclude_libs: Eq<"exclude-libs", "Exclude static libraries from automatic export">; 194 195defm execute_only: BB<"execute-only", 196 "Mark executable sections unreadable", 197 "Mark executable sections readable (default)">; 198 199defm export_dynamic: B<"export-dynamic", 200 "Put symbols in the dynamic symbol table", 201 "Do not put symbols in the dynamic symbol table (default)">; 202 203defm export_dynamic_symbol : EEq<"export-dynamic-symbol", 204 "(executable) Put matched symbols in the dynamic symbol table. " 205 "(shared object) References to matched non-local STV_DEFAULT symbols " 206 "shouldn't be bound to definitions within the shared object. " 207 "Does not imply -Bsymbolic.">, 208 MetaVarName<"glob">; 209 210defm export_dynamic_symbol_list : EEq<"export-dynamic-symbol-list", 211 "Read a list of dynamic symbol patterns. Apply --export-dynamic-symbol on each pattern">, 212 MetaVarName<"file">; 213 214defm fatal_warnings: B<"fatal-warnings", 215 "Treat warnings as errors", 216 "Do not treat warnings as errors (default)">; 217 218defm filter: Eq<"filter", "Set DT_FILTER field to the specified name">; 219 220defm fini: Eq<"fini", "Specify a finalizer function">, MetaVarName<"<symbol>">; 221 222def fix_cortex_a53_843419: F<"fix-cortex-a53-843419">, 223 HelpText<"Apply fixes for AArch64 Cortex-A53 erratum 843419">; 224 225def fix_cortex_a8: F<"fix-cortex-a8">, 226 HelpText<"Apply fixes for ARM Cortex-A8 erratum 657417">; 227 228defm format: Eq<"format", "Change the input format of the inputs following this option">, 229 MetaVarName<"[default,elf,binary]">; 230 231defm gc_sections: B<"gc-sections", 232 "Enable garbage collection of unused sections", 233 "Disable garbage collection of unused sections (default)">; 234 235defm gdb_index: BB<"gdb-index", 236 "Generate .gdb_index section", 237 "Do not generate .gdb_index section (default)">; 238 239defm gnu_unique: BB<"gnu-unique", 240 "Enable STB_GNU_UNIQUE symbol binding (default)", 241 "Disable STB_GNU_UNIQUE symbol binding">; 242 243defm hash_style: Eq<"hash-style", "Specify hash style (sysv, gnu or both)">; 244 245def help: F<"help">, HelpText<"Print option help">; 246 247def icf_all: F<"icf=all">, HelpText<"Enable identical code folding">; 248 249def icf_safe: F<"icf=safe">, HelpText<"Enable safe identical code folding">; 250 251def icf_none: F<"icf=none">, HelpText<"Disable identical code folding (default)">; 252 253def ignore_function_address_equality: F<"ignore-function-address-equality">, 254 HelpText<"lld can break the address equality of functions">; 255 256def ignore_data_address_equality: F<"ignore-data-address-equality">, 257 HelpText<"lld can break the address equality of data">; 258 259defm image_base: Eq<"image-base", "Set the base address">; 260 261defm init: Eq<"init", "Specify an initializer function">, 262 MetaVarName<"<symbol>">; 263 264defm just_symbols: Eq<"just-symbols", "Just link symbols">; 265 266defm keep_unique: Eq<"keep-unique", "Do not fold this symbol during ICF">; 267 268defm library: Eq<"library", "Root name of library to use">, 269 MetaVarName<"<libName>">; 270 271def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">; 272 273defm Map: Eq<"Map", "Print a link map to the specified file">; 274 275defm merge_exidx_entries: B<"merge-exidx-entries", 276 "Enable merging .ARM.exidx entries (default)", 277 "Disable merging .ARM.exidx entries">; 278 279defm mmap_output_file: BB<"mmap-output-file", 280 "Mmap the output file for writing (default)", 281 "Do not mmap the output file for writing">; 282 283def nmagic: F<"nmagic">, MetaVarName<"<magic>">, 284 HelpText<"Do not page align sections, link against static libraries.">; 285 286def nostdlib: F<"nostdlib">, 287 HelpText<"Only search directories specified on the command line">; 288 289def no_dynamic_linker: F<"no-dynamic-linker">, 290 HelpText<"Inhibit output of .interp section">; 291 292def noinhibit_exec: F<"noinhibit-exec">, 293 HelpText<"Retain the executable output file whenever it is still usable">; 294 295def no_nmagic: F<"no-nmagic">, MetaVarName<"<magic>">, 296 HelpText<"Page align sections (default)">; 297 298def no_omagic: F<"no-omagic">, MetaVarName<"<magic>">, 299 HelpText<"Do not set the text data sections to be writable, page align sections (default)">; 300 301def no_undefined: F<"no-undefined">, 302 HelpText<"Report unresolved symbols even if the linker is creating a shared library">; 303 304def o: JoinedOrSeparate<["-"], "o">, MetaVarName<"<path>">, 305 HelpText<"Path to file to write output">; 306 307def oformat: Separate<["--"], "oformat">, MetaVarName<"<format>">, 308 HelpText<"Specify the binary format for the output object file">; 309 310def omagic: FF<"omagic">, MetaVarName<"<magic>">, 311 HelpText<"Set the text and data sections to be readable and writable, do not page align sections, link against static libraries">; 312 313defm orphan_handling: 314 Eq<"orphan-handling", "Control how orphan sections are handled when linker script used">; 315 316defm pack_dyn_relocs: 317 Eq<"pack-dyn-relocs", "Pack dynamic relocations in the given format">, 318 MetaVarName<"[none,android,relr,android+relr]">; 319 320defm use_android_relr_tags: BB<"use-android-relr-tags", 321 "Use SHT_ANDROID_RELR / DT_ANDROID_RELR* tags instead of SHT_RELR / DT_RELR*", 322 "Use SHT_RELR / DT_RELR* tags (default)">; 323 324def pic_veneer: F<"pic-veneer">, 325 HelpText<"Always generate position independent thunks (veneers)">; 326 327defm pie: B<"pie", 328 "Create a position independent executable", 329 "Do not create a position independent executable (default)">; 330 331defm print_gc_sections: B<"print-gc-sections", 332 "List removed unused sections", 333 "Do not list removed unused sections (default)">; 334 335defm print_icf_sections: B<"print-icf-sections", 336 "List identical folded sections", 337 "Do not list identical folded sections (default)">; 338 339def print_archive_stats: J<"print-archive-stats=">, 340 HelpText<"Write archive usage statistics to the specified file. " 341 "Print the numbers of members and fetched members for each archive">; 342 343defm print_symbol_order: Eq<"print-symbol-order", 344 "Print a symbol order specified by --call-graph-ordering-file into the specified file">; 345 346def pop_state: F<"pop-state">, 347 HelpText<"Undo the effect of -push-state">; 348 349def push_state: F<"push-state">, 350 HelpText<"Save the current state of -as-needed, -static and -whole-archive">; 351 352def print_map: F<"print-map">, 353 HelpText<"Print a link map to the standard output">; 354 355defm reproduce: 356 Eq<"reproduce", 357 "Write tar file containing inputs and command to reproduce link">; 358 359defm rosegment: BB<"rosegment", 360 "Put read-only non-executable sections in their own segment (default)", 361 "Do not put read-only non-executable sections in their own segment">; 362 363defm rpath: Eq<"rpath", "Add a DT_RUNPATH to the output">; 364 365def relocatable: F<"relocatable">, HelpText<"Create relocatable object file">; 366 367defm retain_symbols_file: 368 Eq<"retain-symbols-file", "Retain only the symbols listed in the file">, 369 MetaVarName<"<file>">; 370 371defm script: Eq<"script", "Read linker script">; 372 373defm section_start: Eq<"section-start", "Set address of section">, 374 MetaVarName<"<address>">; 375 376def shared: F<"shared">, HelpText<"Build a shared object">; 377 378defm soname: Eq<"soname", "Set DT_SONAME">; 379 380defm sort_section: 381 Eq<"sort-section", "Specifies sections sorting rule when linkerscript is used">; 382 383def start_group: F<"start-group">, 384 HelpText<"Ignored for compatibility with GNU unless you pass --warn-backrefs">; 385 386def start_lib: F<"start-lib">, 387 HelpText<"Start a grouping of objects that should be treated as if they were together in an archive">; 388 389def strip_all: F<"strip-all">, HelpText<"Strip all symbols. Implies --strip-debug">; 390 391def strip_debug: F<"strip-debug">, HelpText<"Strip debugging information">; 392 393defm symbol_ordering_file: 394 Eq<"symbol-ordering-file", "Layout sections to place symbols in the order specified by symbol ordering file">; 395 396defm sysroot: Eq<"sysroot", "Set the system root">; 397 398def target1_rel: F<"target1-rel">, HelpText<"Interpret R_ARM_TARGET1 as R_ARM_REL32">; 399 400def target1_abs: F<"target1-abs">, HelpText<"Interpret R_ARM_TARGET1 as R_ARM_ABS32 (default)">; 401 402defm target2: 403 Eq<"target2", "Interpret R_ARM_TARGET2 as <type>, where <type> is one of rel, abs, or got-rel">, 404 MetaVarName<"<type>">; 405 406defm threads 407 : Eq<"threads", 408 "Number of threads. '1' disables multi-threading. By default all " 409 "available hardware threads are used">; 410 411def time_trace: FF<"time-trace">, HelpText<"Record time trace">; 412def time_trace_file_eq: JJ<"time-trace-file=">, HelpText<"Specify time trace output file">; 413 414defm time_trace_granularity: EEq<"time-trace-granularity", 415 "Minimum time granularity (in microseconds) traced by time profiler">; 416 417defm toc_optimize : BB<"toc-optimize", 418 "(PowerPC64) Enable TOC related optimizations (default)", 419 "(PowerPC64) Disable TOC related optimizations">; 420 421defm pcrel_optimize : BB<"pcrel-optimize", 422 "(PowerPC64) Enable PC-relative optimizations (default)", 423 "(PowerPC64) Disable PC-relative optimizations">; 424 425def trace: F<"trace">, HelpText<"Print the names of the input files">; 426 427defm trace_symbol: Eq<"trace-symbol", "Trace references to symbols">; 428 429defm undefined: Eq<"undefined", "Force undefined symbol during linking">, 430 MetaVarName<"<symbol>">; 431 432defm undefined_glob: EEq<"undefined-glob", "Force undefined symbol during linking">, 433 MetaVarName<"<pattern>">; 434 435def unique: F<"unique">, HelpText<"Creates a separate output section for every orphan input section">; 436 437defm unresolved_symbols: 438 Eq<"unresolved-symbols", "Determine how to handle unresolved symbols">; 439 440defm undefined_version: B<"undefined-version", 441 "Allow unused version in version script (default)", 442 "Report version scripts that refer undefined symbols">; 443 444defm rsp_quoting: Eq<"rsp-quoting", "Quoting style for response files">, 445 MetaVarName<"[posix,windows]">; 446 447def v: Flag<["-"], "v">, HelpText<"Display the version number">; 448 449def verbose: F<"verbose">, HelpText<"Verbose mode">; 450 451def version: F<"version">, HelpText<"Display the version number and exit">; 452 453def power10_stubs: F<"power10-stubs">, HelpText<"Alias for --power10-stubs=auto">; 454 455def no_power10_stubs: F<"no-power10-stubs">, HelpText<"Alias for --power10-stubs=no">; 456 457def power10_stubs_eq: 458 J<"power10-stubs=">, HelpText< 459 "Enables Power10 instructions in all stubs without options, " 460 "options override previous flags." 461 "auto: Allow Power10 instructions in stubs if applicable." 462 "no: No Power10 instructions in stubs.">; 463 464defm version_script: Eq<"version-script", "Read a version script">; 465 466defm warn_backrefs: BB<"warn-backrefs", 467 "Warn about backward symbol references to fetch archive members", 468 "Do not warn about backward symbol references to fetch archive members (default)">; 469 470defm warn_backrefs_exclude 471 : EEq<"warn-backrefs-exclude", 472 "Glob describing an archive (or an object file within --start-lib) " 473 "which should be ignored for --warn-backrefs.">, 474 MetaVarName<"<glob>">; 475 476defm warn_common: B<"warn-common", 477 "Warn about duplicate common symbols", 478 "Do not warn about duplicate common symbols (default)">; 479 480defm warn_ifunc_textrel: BB<"warn-ifunc-textrel", 481 "Warn about using ifunc symbols with text relocations", 482 "Do not warn about using ifunc symbols with text relocations (default)">; 483 484defm warn_symbol_ordering: BB<"warn-symbol-ordering", 485 "Warn about problems with the symbol ordering file (default)", 486 "Do not warn about problems with the symbol ordering file">; 487 488def warn_unresolved_symbols: F<"warn-unresolved-symbols">, 489 HelpText<"Report unresolved symbols as warnings">; 490 491defm whole_archive: B<"whole-archive", 492 "Force load of all members in a static library", 493 "Do not force load of all members in a static library (default)">; 494 495def why_extract: JJ<"why-extract=">, HelpText<"Print to a file about why archive members are extracted">; 496 497defm wrap : Eq<"wrap", "Redirect symbol references to __wrap_symbol and " 498 "__real_symbol references to symbol">, 499 MetaVarName<"<symbol>">; 500 501def z: JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, 502 HelpText<"Linker option extensions">; 503 504def visual_studio_diagnostics_format : F<"vs-diagnostics">, 505HelpText<"Format diagnostics for Visual Studio compatibility">; 506 507// Aliases 508def: Separate<["-"], "f">, Alias<auxiliary>, HelpText<"Alias for --auxiliary">; 509def: F<"call_shared">, Alias<Bdynamic>, HelpText<"Alias for --Bdynamic">; 510def: F<"dy">, Alias<Bdynamic>, HelpText<"Alias for --Bdynamic">; 511def: F<"dn">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; 512def: F<"non_shared">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; 513def: F<"static">, Alias<Bstatic>, HelpText<"Alias for --Bstatic">; 514def: Flag<["-"], "d">, Alias<define_common>, HelpText<"Alias for --define-common">; 515def: F<"dc">, Alias<define_common>, HelpText<"Alias for --define-common">; 516def: F<"dp">, Alias<define_common>, HelpText<"Alias for --define-common">; 517def: Flag<["-"], "x">, Alias<discard_all>, HelpText<"Alias for --discard-all">; 518def: Flag<["-"], "X">, Alias<discard_locals>, HelpText<"Alias for --discard-locals">; 519def: Flag<["-"], "q">, Alias<emit_relocs>, HelpText<"Alias for --emit-relocs">; 520def: Flag<["-"], ")">, Alias<end_group>, HelpText<"Alias for --end-group">; 521def: JoinedOrSeparate<["-"], "e">, Alias<entry>, HelpText<"Alias for --entry">; 522def: Flag<["-"], "E">, Alias<export_dynamic>, HelpText<"Alias for --export-dynamic">; 523def: Separate<["-"], "F">, Alias<filter>, HelpText<"Alias for --filter">; 524def: Separate<["-"], "b">, Alias<format>, HelpText<"Alias for --format">; 525def: JoinedOrSeparate<["-"], "l">, Alias<library>, HelpText<"Alias for --library">; 526def: JoinedOrSeparate<["-"], "L">, Alias<library_path>, HelpText<"Alias for --library-path">; 527def: F<"no-pic-executable">, Alias<no_pie>, HelpText<"Alias for --no-pie">; 528def: Flag<["-"], "n">, Alias<nmagic>, HelpText<"Alias for --nmagic">; 529def: Flag<["-"], "N">, Alias<omagic>, HelpText<"Alias for --omagic">; 530def: Joined<["--"], "output=">, Alias<o>, HelpText<"Alias for -o">; 531def: Separate<["--"], "output">, Alias<o>, HelpText<"Alias for -o">; 532def: F<"pic-executable">, Alias<pie>, HelpText<"Alias for --pie">; 533def: Flag<["-"], "M">, Alias<print_map>, HelpText<"Alias for --print-map">; 534def: Flag<["-"], "r">, Alias<relocatable>, HelpText<"Alias for --relocatable">; 535def: JoinedOrSeparate<["-"], "R">, Alias<rpath>, HelpText<"Alias for --rpath">; 536def: JoinedOrSeparate<["-"], "T">, Alias<script>, HelpText<"Alias for --script">; 537def: F<"Bshareable">, Alias<shared>, HelpText<"Alias for --shared">; 538def: JoinedOrSeparate<["-"], "h">, Alias<soname>, HelpText<"Alias for --soname">; 539def: Flag<["-"], "(">, Alias<start_group>, HelpText<"Alias for --start-group">; 540def: Flag<["-"], "s">, Alias<strip_all>, HelpText<"Alias for --strip-all">; 541def: Flag<["-"], "S">, Alias<strip_debug>, HelpText<"Alias for --strip-debug">; 542def: Flag<["-"], "t">, Alias<trace>, HelpText<"Alias for --trace">; 543def: Joined<["-", "--"], "Ttext-segment=">, Alias<Ttext_segment>; 544def: JoinedOrSeparate<["-"], "y">, Alias<trace_symbol>, HelpText<"Alias for --trace-symbol">; 545def: JoinedOrSeparate<["-"], "u">, Alias<undefined>, HelpText<"Alias for --undefined">; 546def: Flag<["-"], "V">, Alias<version>, HelpText<"Alias for --version">; 547 548// LTO-related options. 549def lto_aa_pipeline: JJ<"lto-aa-pipeline=">, 550 HelpText<"AA pipeline to run during LTO. Used in conjunction with -lto-newpm-passes">; 551def lto_debug_pass_manager: FF<"lto-debug-pass-manager">, 552 HelpText<"Debug new pass manager">; 553def lto_emit_asm: FF<"lto-emit-asm">, 554 HelpText<"Emit assembly code">; 555defm lto_legacy_pass_manager: BB<"lto-legacy-pass-manager", 556 "Use the legacy pass manager in LLVM", 557 "Use the new pass manager in LLVM">; 558def lto_newpm_passes: JJ<"lto-newpm-passes=">, 559 HelpText<"Passes to run during LTO">; 560def lto_O: JJ<"lto-O">, MetaVarName<"<opt-level>">, 561 HelpText<"Optimization level for LTO">; 562def lto_partitions: JJ<"lto-partitions=">, 563 HelpText<"Number of LTO codegen partitions">; 564def lto_cs_profile_generate: FF<"lto-cs-profile-generate">, 565 HelpText<"Perform context sensitive PGO instrumentation">; 566def lto_cs_profile_file: JJ<"lto-cs-profile-file=">, 567 HelpText<"Context sensitive profile file path">; 568defm lto_pgo_warn_mismatch: BB<"lto-pgo-warn-mismatch", 569 "turn on warnings about profile cfg mismatch (default)>", 570 "turn off warnings about profile cfg mismatch">; 571def lto_obj_path_eq: JJ<"lto-obj-path=">; 572def lto_sample_profile: JJ<"lto-sample-profile=">, 573 HelpText<"Sample profile file path">; 574defm lto_whole_program_visibility: BB<"lto-whole-program-visibility", 575 "Asserts that the LTO link has whole program visibility", 576 "Asserts that the LTO link does not have whole program visibility">; 577def disable_verify: F<"disable-verify">; 578defm mllvm: Eq<"mllvm", "Additional arguments to forward to LLVM's option processing">; 579def opt_remarks_filename: Separate<["--"], "opt-remarks-filename">, 580 HelpText<"YAML output file for optimization remarks">; 581defm opt_remarks_hotness_threshold: EEq<"opt-remarks-hotness-threshold", 582 "Minimum profile count required for an optimization remark to be output." 583 " Use 'auto' to apply the threshold from profile summary.">, 584 MetaVarName<"<value>">; 585def opt_remarks_passes: Separate<["--"], "opt-remarks-passes">, 586 HelpText<"Regex for the passes that need to be serialized to the output file">; 587def opt_remarks_with_hotness: FF<"opt-remarks-with-hotness">, 588 HelpText<"Include hotness information in the optimization remarks file">; 589def opt_remarks_format: Separate<["--"], "opt-remarks-format">, 590 HelpText<"The format used for serializing remarks (default: YAML)">; 591def save_temps: F<"save-temps">, HelpText<"Save intermediate LTO compilation results">; 592def lto_basic_block_sections: JJ<"lto-basic-block-sections=">, 593 HelpText<"Enable basic block sections for LTO">; 594defm lto_unique_basic_block_section_names: BB<"lto-unique-basic-block-section-names", 595 "Give unique names to every basic block section for LTO", 596 "Do not give unique names to every basic block section for LTO (default)">; 597defm shuffle_sections: EEq<"shuffle-sections", 598 "Shuffle matched sections using the given seed before mapping them to the output sections. " 599 "If -1, reverse the section order. If 0, use a random seed">, 600 MetaVarName<"<section-glob>=<seed>">; 601def thinlto_cache_dir: JJ<"thinlto-cache-dir=">, 602 HelpText<"Path to ThinLTO cached object file directory">; 603defm thinlto_cache_policy: EEq<"thinlto-cache-policy", "Pruning policy for the ThinLTO cache">; 604def thinlto_emit_imports_files: FF<"thinlto-emit-imports-files">; 605def thinlto_index_only: FF<"thinlto-index-only">; 606def thinlto_index_only_eq: JJ<"thinlto-index-only=">; 607def thinlto_jobs: JJ<"thinlto-jobs=">, 608 HelpText<"Number of ThinLTO jobs. Default to --threads=">; 609def thinlto_object_suffix_replace_eq: JJ<"thinlto-object-suffix-replace=">; 610def thinlto_prefix_replace_eq: JJ<"thinlto-prefix-replace=">; 611def thinlto_single_module_eq: JJ<"thinlto-single-module=">, 612 HelpText<"Specific a single module to compile in ThinLTO mode, for debugging only">; 613 614def: J<"plugin-opt=O">, Alias<lto_O>, HelpText<"Alias for --lto-O">; 615def: F<"plugin-opt=debug-pass-manager">, 616 Alias<lto_debug_pass_manager>, HelpText<"Alias for --lto-debug-pass-manager">; 617def: F<"plugin-opt=disable-verify">, Alias<disable_verify>, HelpText<"Alias for --disable-verify">; 618def plugin_opt_dwo_dir_eq: J<"plugin-opt=dwo_dir=">, 619 HelpText<"Directory to store .dwo files when LTO and debug fission are used">; 620def plugin_opt_emit_asm: F<"plugin-opt=emit-asm">, 621 Alias<lto_emit_asm>, HelpText<"Alias for --lto-emit-asm">; 622def plugin_opt_emit_llvm: F<"plugin-opt=emit-llvm">; 623def: J<"plugin-opt=jobs=">, Alias<thinlto_jobs>, HelpText<"Alias for --thinlto-jobs">; 624def: J<"plugin-opt=lto-partitions=">, Alias<lto_partitions>, HelpText<"Alias for --lto-partitions">; 625def plugin_opt_mcpu_eq: J<"plugin-opt=mcpu=">; 626def: F<"plugin-opt=new-pass-manager">, 627 Alias<no_lto_legacy_pass_manager>, HelpText<"Alias for --no-lto-legacy-pass-manager">; 628def: F<"plugin-opt=legacy-pass-manager">, 629 Alias<lto_legacy_pass_manager>, HelpText<"Alias for --no-legacy-pass-manager">; 630def: F<"plugin-opt=cs-profile-generate">, 631 Alias<lto_cs_profile_generate>, HelpText<"Alias for --lto-cs-profile-generate">; 632def: J<"plugin-opt=cs-profile-path=">, 633 Alias<lto_cs_profile_file>, HelpText<"Alias for --lto-cs-profile-file">; 634def: J<"plugin-opt=obj-path=">, 635 Alias<lto_obj_path_eq>, 636 HelpText<"Alias for --lto-obj-path=">; 637def: J<"plugin-opt=opt-remarks-filename=">, 638 Alias<opt_remarks_filename>, 639 HelpText<"Alias for --opt-remarks-filename">; 640def: J<"plugin-opt=opt-remarks-passes=">, 641 Alias<opt_remarks_passes>, 642 HelpText<"Alias for --opt-remarks-passes">; 643def: J<"plugin-opt=opt-remarks-format=">, 644 Alias<opt_remarks_format>, 645 HelpText<"Alias for --opt-remarks-format">; 646def: F<"plugin-opt=opt-remarks-with-hotness">, 647 Alias<opt_remarks_with_hotness>, 648 HelpText<"Alias for --opt-remarks-with_hotness">; 649def: J<"plugin-opt=opt-remarks-hotness-threshold=">, 650 Alias<opt_remarks_hotness_threshold>, 651 HelpText<"Alias for --opt-remarks-hotness-threshold">; 652def: J<"plugin-opt=sample-profile=">, 653 Alias<lto_sample_profile>, HelpText<"Alias for --lto-sample-profile">; 654def: F<"plugin-opt=save-temps">, Alias<save_temps>, HelpText<"Alias for --save-temps">; 655def: F<"plugin-opt=thinlto-emit-imports-files">, 656 Alias<thinlto_emit_imports_files>, 657 HelpText<"Alias for --thinlto-emit-imports-files">; 658def: F<"plugin-opt=thinlto-index-only">, 659 Alias<thinlto_index_only>, 660 HelpText<"Alias for --thinlto-index-only">; 661def: J<"plugin-opt=thinlto-index-only=">, 662 Alias<thinlto_index_only_eq>, 663 HelpText<"Alias for --thinlto-index-only=">; 664def: J<"plugin-opt=thinlto-object-suffix-replace=">, 665 Alias<thinlto_object_suffix_replace_eq>, 666 HelpText<"Alias for --thinlto-object-suffix-replace=">; 667def: J<"plugin-opt=thinlto-prefix-replace=">, 668 Alias<thinlto_prefix_replace_eq>, 669 HelpText<"Alias for --thinlto-prefix-replace=">; 670 671// Ignore LTO plugin-related options. 672// clang -flto passes -plugin and -plugin-opt to the linker. This is required 673// for ld.gold and ld.bfd to get LTO working. But it's not for lld which doesn't 674// rely on a plugin. Instead of detecting which linker is used on clang side we 675// just ignore the option on lld side as it's easier. In fact, the linker could 676// be called 'ld' and understanding which linker is used would require parsing of 677// --version output. 678defm plugin: Eq<"plugin", "Ignored for compatibility with GNU linkers">; 679 680def plugin_opt_eq_minus: J<"plugin-opt=-">, 681 HelpText<"Specify an LLVM option for compatibility with LLVMgold.so">; 682def: J<"plugin-opt=thinlto">; 683 684// Ignore GCC collect2 LTO plugin related options. Note that we don't support 685// GCC LTO, but GCC collect2 passes these options even in non-LTO mode. 686def: J<"plugin-opt=-fresolution=">; 687def: J<"plugin-opt=-pass-through=">; 688// This may be either an unhandled LLVMgold.so feature or GCC passed 689// -plugin-opt=path/to/{liblto_plugin.so,lto-wrapper} 690def plugin_opt_eq : J<"plugin-opt=">; 691 692// Options listed below are silently ignored for now for compatibility. 693def: F<"detect-odr-violations">; 694def: Flag<["-"], "g">; 695def: F<"long-plt">; 696def: F<"no-add-needed">; 697def: F<"no-copy-dt-needed-entries">; 698def: F<"no-ctors-in-init-array">; 699def: F<"no-keep-memory">; 700def: F<"no-pipeline-knowledge">; 701def: F<"no-relax">; 702def: F<"no-warn-mismatch">; 703def: Flag<["-"], "p">; 704def: Separate<["--", "-"], "rpath-link">; 705def: J<"rpath-link=">; 706def: F<"secure-plt">; 707def: F<"sort-common">; 708def: F<"stats">; 709def: F<"warn-execstack">; 710def: F<"warn-once">; 711def: F<"warn-shared-textrel">; 712def: JoinedOrSeparate<["-"], "G">; 713def: F<"Qy">; 714 715// Hidden option used for testing MIPS multi-GOT implementation. 716defm mips_got_size: 717 Eq<"mips-got-size", "Max size of a single MIPS GOT. 0x10000 by default.">, 718 Flags<[HelpHidden]>; 719 720// Hidden option used to opt-in to additional output checks. 721defm check_dynamic_relocations: BB<"check-dynamic-relocations", 722 "Perform additional validation of the written dynamic relocations", 723 "Do not perform additional validation of the written dynamic relocations">, 724 Flags<[HelpHidden]>; 725