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