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