| include "llvm/Option/OptParser.td" |
| |
| // 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> { |
| def "": Separate<["--", "-"], name>; |
| def _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>; |
| } |
| |
| def auxiliary: S<"auxiliary">, HelpText<"Set DT_AUXILIARY field to the specified name">; |
| |
| def Bsymbolic: F<"Bsymbolic">, HelpText<"Bind defined symbols locally">; |
| |
| def Bsymbolic_functions: F<"Bsymbolic-functions">, |
| HelpText<"Bind defined function symbols locally">; |
| |
| def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries">; |
| |
| def Bstatic: F<"Bstatic">, HelpText<"Do not link against shared libraries">; |
| |
| def build_id: F<"build-id">, HelpText<"Generate build ID note">; |
| |
| def build_id_eq: J<"build-id=">, HelpText<"Generate build ID note">; |
| |
| defm compress_debug_sections : Eq<"compress-debug-sections">, |
| HelpText<"Compress DWARF debug sections">; |
| |
| defm defsym: Eq<"defsym">, HelpText<"Define a symbol alias">; |
| |
| defm library_path: Eq<"library-path">, |
| HelpText<"Add a directory to the library search path">, MetaVarName<"<dir>">; |
| |
| def O: JoinedOrSeparate<["-"], "O">, HelpText<"Optimize output file size">; |
| |
| defm Tbss: Eq<"Tbss">, |
| HelpText<"Same as --section-start with .bss as the sectionname">; |
| |
| defm Tdata: Eq<"Tdata">, |
| HelpText<"Same as --section-start with .data as the sectionname">; |
| |
| defm Ttext: Eq<"Ttext">, |
| HelpText<"Same as --section-start with .text as the sectionname">; |
| |
| def allow_multiple_definition: F<"allow-multiple-definition">, |
| HelpText<"Allow multiple definitions">; |
| |
| def as_needed: F<"as-needed">, |
| HelpText<"Only set DT_NEEDED for shared libraries if used">; |
| |
| // -chroot doesn't have a help text because it is an internal option. |
| def chroot: S<"chroot">; |
| |
| def color_diagnostics: F<"color-diagnostics">, |
| HelpText<"Use colors in diagnostics">; |
| |
| def color_diagnostics_eq: J<"color-diagnostics=">, |
| HelpText<"Use colors in diagnostics">; |
| |
| def define_common: F<"define-common">, |
| HelpText<"Assign space to common symbols">; |
| |
| def demangle: F<"demangle">, HelpText<"Demangle symbol names">; |
| |
| 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">; |
| |
| def dynamic_linker: S<"dynamic-linker">, |
| HelpText<"Which dynamic linker to use">; |
| |
| defm dynamic_list: Eq<"dynamic-list">, |
| HelpText<"Read a list of dynamic symbols">; |
| |
| def eh_frame_hdr: F<"eh-frame-hdr">, |
| HelpText<"Request creation of .eh_frame_hdr section and PT_GNU_EH_FRAME segment header">; |
| |
| def emit_relocs: F<"emit-relocs">, HelpText<"Generate relocations in output">; |
| |
| def enable_new_dtags: F<"enable-new-dtags">, |
| HelpText<"Enable new dynamic tags">; |
| |
| 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">, HelpText<"Name of entry point symbol">, |
| MetaVarName<"<entry>">; |
| |
| defm error_limit: Eq<"error-limit">, |
| HelpText<"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 exclude_libs: Eq<"exclude-libs">, |
| HelpText<"Exclude static libraries from automatic export">; |
| |
| def export_dynamic: F<"export-dynamic">, |
| HelpText<"Put symbols in the dynamic symbol table">; |
| |
| defm export_dynamic_symbol: Eq<"export-dynamic-symbol">, |
| HelpText<"Put a symbol in the dynamic symbol table">; |
| |
| def fatal_warnings: F<"fatal-warnings">, |
| HelpText<"Treat warnings as errors">; |
| |
| defm filter: Eq<"filter">, |
| HelpText<"Set DT_FILTER field to the specified name">; |
| |
| defm fini: Eq<"fini">, |
| HelpText<"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 full_shutdown : F<"full-shutdown">, |
| HelpText<"Perform a full shutdown instead of calling _exit">; |
| |
| defm format: Eq<"format">, |
| HelpText<"Change the input format of the inputs following this option">, |
| MetaVarName<"<input-format>">; |
| |
| def gc_sections: F<"gc-sections">, |
| HelpText<"Enable garbage collection of unused sections">; |
| |
| def gdb_index: F<"gdb-index">, |
| HelpText<"Generate .gdb_index section">; |
| |
| defm hash_style: Eq<"hash-style">, |
| HelpText<"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_data: F<"icf-data">, |
| HelpText<"Enable ICF to also fold identical read only data">; |
| |
| def icf_none: F<"icf=none">, HelpText<"Disable identical code folding">; |
| |
| defm image_base : Eq<"image-base">, HelpText<"Set the base address">; |
| |
| defm init: Eq<"init">, HelpText<"Specify an initializer function">, |
| MetaVarName<"<symbol>">; |
| |
| defm library: Eq<"library">, HelpText<"Root name of library to use">, |
| MetaVarName<"<libName>">; |
| |
| def lto_O: J<"lto-O">, MetaVarName<"<opt-level>">, |
| HelpText<"Optimization level for LTO">; |
| |
| def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">; |
| |
| defm Map: Eq<"Map">, HelpText<"Print a link map to the specified file">; |
| |
| def merge_exidx_entries: F<"merge-exidx-entries">, |
| HelpText<"Enable merging .ARM.exidx entries">; |
| |
| def nostdlib: F<"nostdlib">, |
| HelpText<"Only search directories specified on the command line">; |
| |
| def no_as_needed: F<"no-as-needed">, |
| HelpText<"Always DT_NEEDED for shared libraries">; |
| |
| def no_color_diagnostics: F<"no-color-diagnostics">, |
| HelpText<"Do not use colors in diagnostics">; |
| |
| def no_define_common: F<"no-define-common">, |
| HelpText<"Do not assign space to common symbols">; |
| |
| def no_demangle: F<"no-demangle">, |
| HelpText<"Do not demangle symbol names">; |
| |
| def no_dynamic_linker: F<"no-dynamic-linker">, |
| HelpText<"Inhibit output of .interp section">; |
| |
| def no_eh_frame_hdr: F<"no-eh-frame-hdr">, |
| HelpText<"Do not create .eh_frame_hdr section">; |
| |
| def no_export_dynamic: F<"no-export-dynamic">; |
| def no_fatal_warnings: F<"no-fatal-warnings">; |
| |
| def no_gc_sections: F<"no-gc-sections">, |
| HelpText<"Disable garbage collection of unused sections">; |
| |
| def no_gdb_index: F<"no-gdb-index">, |
| HelpText<"Do not generate .gdb_index section">; |
| |
| def no_gnu_unique: F<"no-gnu-unique">, |
| HelpText<"Disable STB_GNU_UNIQUE symbol binding">; |
| |
| def no_merge_exidx_entries: F<"no-merge-exidx-entries">, |
| HelpText<"Disable merging .ARM.exidx entries">; |
| |
| def no_threads: F<"no-threads">, |
| HelpText<"Do not run the linker multi-threaded">; |
| |
| def no_whole_archive: F<"no-whole-archive">, |
| HelpText<"Restores the default behavior of loading archive members">; |
| |
| def noinhibit_exec: F<"noinhibit-exec">, |
| HelpText<"Retain the executable output file whenever it is still usable">; |
| |
| def nopie: F<"nopie">, HelpText<"Do not create a position independent executable">; |
| |
| def no_omagic: Flag<["--"], "no-omagic">, MetaVarName<"<magic>">, |
| HelpText<"Do not set the text data sections to be writable">; |
| |
| def no_print_gc_sections: F<"no-print-gc-sections">, |
| HelpText<"Do not list removed unused sections">; |
| |
| def no_rosegment: F<"no-rosegment">, |
| HelpText<"Do not put read-only non-executable sections in their own segment">; |
| |
| def no_undefined: F<"no-undefined">, |
| HelpText<"Report unresolved symbols even if the linker is creating a shared library">; |
| |
| def no_undefined_version: F<"no-undefined-version">, |
| HelpText<"Report version scripts that refer undefined symbols">; |
| |
| def o: JoinedOrSeparate<["-"], "o">, MetaVarName<"<path>">, |
| HelpText<"Path to file to write output">; |
| |
| def oformat: Separate<["--"], "oformat">, MetaVarName<"<format>">, |
| HelpText<"Specify the binary format for the output object file">; |
| |
| def omagic: Flag<["--"], "omagic">, MetaVarName<"<magic>">, |
| HelpText<"Set the text and data sections to be readable and writable">; |
| |
| defm orphan_handling: Eq<"orphan-handling">, |
| HelpText<"Control how orphan sections are handled when linker script used">; |
| |
| def pack_dyn_relocs_eq: J<"pack-dyn-relocs=">, MetaVarName<"<format>">, |
| HelpText<"Pack dynamic relocations in the given format (none or android)">; |
| |
| def pie: F<"pie">, HelpText<"Create a position independent executable">; |
| |
| def print_gc_sections: F<"print-gc-sections">, |
| HelpText<"List removed unused sections">; |
| |
| def print_map: F<"print-map">, |
| HelpText<"Print a link map to the standard output">; |
| |
| defm reproduce: Eq<"reproduce">, |
| HelpText<"Dump linker invocation and input files for debugging">; |
| |
| defm rpath: Eq<"rpath">, HelpText<"Add a DT_RUNPATH to the output">; |
| |
| def relocatable: F<"relocatable">, HelpText<"Create relocatable object file">; |
| |
| defm retain_symbols_file: Eq<"retain-symbols-file">, |
| HelpText<"Retain only the symbols listed in the file">, |
| MetaVarName<"<file>">; |
| |
| defm script: Eq<"script">, HelpText<"Read linker script">; |
| |
| def section_start: S<"section-start">, MetaVarName<"<address>">, |
| HelpText<"Set address of section">; |
| |
| def shared: F<"shared">, HelpText<"Build a shared object">; |
| |
| defm soname: Eq<"soname">, HelpText<"Set DT_SONAME">; |
| |
| defm sort_section: Eq<"sort-section">, |
| HelpText<"Specifies sections sorting rule when linkerscript is used">; |
| |
| 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">; |
| |
| def symbol_ordering_file: S<"symbol-ordering-file">, |
| HelpText<"Layout sections in the order specified by symbol file">; |
| |
| defm sysroot: Eq<"sysroot">, HelpText<"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">; |
| |
| defm target2: Eq<"target2">, |
| HelpText<"Interpret R_ARM_TARGET2 as <type>, where <type> is one of rel, abs, or got-rel">, |
| MetaVarName<"<type>">; |
| |
| def threads: F<"threads">, HelpText<"Run the linker multi-threaded">; |
| |
| def trace: F<"trace">, HelpText<"Print the names of the input files">; |
| |
| defm trace_symbol : Eq<"trace-symbol">, HelpText<"Trace references to symbols">; |
| |
| defm undefined: Eq<"undefined">, |
| HelpText<"Force undefined symbol during linking">; |
| |
| defm unresolved_symbols: Eq<"unresolved-symbols">, |
| HelpText<"Determine how to handle unresolved symbols">; |
| |
| defm rsp_quoting: Eq<"rsp-quoting">, |
| HelpText<"Quoting style for response files. Values supported: windows|posix">; |
| |
| 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">; |
| |
| defm version_script: Eq<"version-script">, HelpText<"Read a version script">; |
| |
| def warn_common: F<"warn-common">, |
| HelpText<"Warn about duplicate common symbols">; |
| |
| def warn_unresolved_symbols: F<"warn-unresolved-symbols">, |
| HelpText<"Report unresolved symbols as warnings">; |
| |
| def whole_archive: F<"whole-archive">, |
| HelpText<"Force load of all members in a static library">; |
| |
| defm wrap: Eq<"wrap">, HelpText<"Use wrapper functions for symbol">, |
| MetaVarName<"<symbol>">; |
| |
| def z: JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, |
| HelpText<"Linker option extensions">; |
| |
| // Aliases |
| def alias_auxiliary: Separate<["-"], "f">, Alias<auxiliary>; |
| def alias_Bdynamic_call_shared: F<"call_shared">, Alias<Bdynamic>; |
| def alias_Bdynamic_dy: F<"dy">, Alias<Bdynamic>; |
| def alias_Bstatic_dn: F<"dn">, Alias<Bstatic>; |
| def alias_Bstatic_non_shared: F<"non_shared">, Alias<Bstatic>; |
| def alias_Bstatic_static: F<"static">, Alias<Bstatic>; |
| def alias_define_common_d: Flag<["-"], "d">, Alias<define_common>; |
| def alias_define_common_dc: F<"dc">, Alias<define_common>; |
| def alias_define_common_dp: F<"dp">, Alias<define_common>; |
| def alias_discard_all_x: Flag<["-"], "x">, Alias<discard_all>; |
| def alias_discard_locals_X: Flag<["-"], "X">, Alias<discard_locals>; |
| def alias_emit_relocs: Flag<["-"], "q">, Alias<emit_relocs>; |
| def alias_entry_e: JoinedOrSeparate<["-"], "e">, Alias<entry>; |
| def alias_export_dynamic_E: Flag<["-"], "E">, Alias<export_dynamic>; |
| def alias_filter: Separate<["-"], "F">, Alias<filter>; |
| def alias_format_b: S<"b">, Alias<format>; |
| def alias_library: JoinedOrSeparate<["-"], "l">, Alias<library>; |
| def alias_library_path: JoinedOrSeparate<["-"], "L">, Alias<library_path>; |
| def alias_omagic: Flag<["-"], "N">, Alias<omagic>; |
| def alias_o_output: Joined<["--"], "output=">, Alias<o>; |
| def alias_o_output2 : Separate<["--"], "output">, Alias<o>; |
| def alias_pie_pic_executable: F<"pic-executable">, Alias<pie>; |
| def alias_print_map_M: Flag<["-"], "M">, Alias<print_map>; |
| def alias_relocatable_r: Flag<["-"], "r">, Alias<relocatable>; |
| def alias_rpath_R: JoinedOrSeparate<["-"], "R">, Alias<rpath>; |
| def alias_script_T: JoinedOrSeparate<["-"], "T">, Alias<script>; |
| def alias_shared_Bshareable: F<"Bshareable">, Alias<shared>; |
| def alias_soname_h: JoinedOrSeparate<["-"], "h">, Alias<soname>; |
| def alias_strip_all: Flag<["-"], "s">, Alias<strip_all>; |
| def alias_strip_debug_S: Flag<["-"], "S">, Alias<strip_debug>; |
| def alias_trace: Flag<["-"], "t">, Alias<trace>; |
| def alias_trace_symbol_y : JoinedOrSeparate<["-"], "y">, Alias<trace_symbol>; |
| def alias_Ttext_segment: S<"Ttext-segment">, Alias<Ttext>; |
| def alias_Ttext_segment_eq: J<"Ttext-segment=">, Alias<Ttext>; |
| def alias_undefined_u: JoinedOrSeparate<["-"], "u">, Alias<undefined>; |
| def alias_version_V: Flag<["-"], "V">, Alias<version>; |
| |
| // Our symbol resolution algorithm handles symbols in archive files differently |
| // than traditional linkers, so we don't need --start-group and --end-group. |
| // These options are recongized for compatibility but ignored. |
| def end_group: F<"end-group">; |
| def end_group_paren: Flag<["-"], ")">; |
| def start_group: F<"start-group">; |
| def start_group_paren: Flag<["-"], "(">; |
| |
| // LTO-related options. |
| def lto_aa_pipeline: J<"lto-aa-pipeline=">, |
| HelpText<"AA pipeline to run during LTO. Used in conjunction with -lto-newpm-passes">; |
| def lto_newpm_passes: J<"lto-newpm-passes=">, |
| HelpText<"Passes to run during LTO">; |
| def lto_partitions: J<"lto-partitions=">, |
| HelpText<"Number of LTO codegen partitions">; |
| def disable_verify: F<"disable-verify">; |
| def mllvm: S<"mllvm">; |
| def opt_remarks_filename: Separate<["--"], "opt-remarks-filename">, |
| HelpText<"YAML output file for optimization remarks">; |
| def opt_remarks_with_hotness: Flag<["--"], "opt-remarks-with-hotness">, |
| HelpText<"Include hotness informations in the optimization remarks file">; |
| defm plugin_opt: Eq<"plugin-opt">, |
| HelpText<"specifies LTO options for compatibility with GNU linkers">; |
| def save_temps: F<"save-temps">; |
| def thinlto_cache_dir: J<"thinlto-cache-dir=">, |
| HelpText<"Path to ThinLTO cached object file directory">; |
| def thinlto_cache_policy: S<"thinlto-cache-policy">, |
| HelpText<"Pruning policy for the ThinLTO cache">; |
| def thinlto_jobs: J<"thinlto-jobs=">, HelpText<"Number of ThinLTO jobs">; |
| |
| // 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. |
| def plugin: S<"plugin">; |
| def plugin_eq: J<"plugin=">; |
| |
| // Options listed below are silently ignored for now for compatibility. |
| def allow_shlib_undefined: F<"allow-shlib-undefined">; |
| def cref: F<"cref">; |
| def detect_odr_violations: F<"detect-odr-violations">; |
| def g: Flag<["-"], "g">; |
| def long_plt: F<"long-plt">; |
| def no_add_needed: F<"no-add-needed">; |
| def no_allow_shlib_undefined: F<"no-allow-shlib-undefined">; |
| def no_copy_dt_needed_entries: F<"no-copy-dt-needed-entries">; |
| def no_ctors_in_init_array: F<"no-ctors-in-init-array">; |
| def no_keep_memory: F<"no-keep-memory">; |
| def no_mmap_output_file: F<"no-mmap-output-file">; |
| def no_warn_common: F<"no-warn-common">; |
| def no_warn_mismatch: F<"no-warn-mismatch">; |
| def rpath_link: S<"rpath-link">; |
| def rpath_link_eq: J<"rpath-link=">; |
| def sort_common: F<"sort-common">; |
| def stats: F<"stats">; |
| def warn_execstack: F<"warn-execstack">; |
| def warn_once: F<"warn-once">; |
| def warn_shared_textrel: F<"warn-shared-textrel">; |
| def EB : F<"EB">; |
| def EL : F<"EL">; |
| def G: JoinedOrSeparate<["-"], "G">; |
| def Qy : F<"Qy">; |
