diff options
Diffstat (limited to 'ELF/Options.td')
| -rw-r--r-- | ELF/Options.td | 283 |
1 files changed, 197 insertions, 86 deletions
diff --git a/ELF/Options.td b/ELF/Options.td index 1b02c5c8b795..010f37687f03 100644 --- a/ELF/Options.td +++ b/ELF/Options.td @@ -1,165 +1,276 @@ include "llvm/Option/OptParser.td" -def Bsymbolic: Flag<["-"], "Bsymbolic">, - HelpText<"Bind defined symbols locally">; +// 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>; +class JS<string name>: JoinedOrSeparate<["--", "-"], name>; -def Bdynamic: Flag<["-"], "Bdynamic">, - HelpText<"Link against shared libraries">; +def Bsymbolic: F<"Bsymbolic">, HelpText<"Bind defined symbols locally">; -def Bstatic: Flag<["-"], "Bstatic">, - HelpText<"Do not link against shared libraries">; +def Bsymbolic_functions: F<"Bsymbolic-functions">, + HelpText<"Bind defined function symbols locally">; -def L : JoinedOrSeparate<["-"], "L">, MetaVarName<"<dir>">, - HelpText<"Directory to search for libraries">; +def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries">; -def O : Joined<["-"], "O">, HelpText<"Optimize">; +def Bstatic: F<"Bstatic">, HelpText<"Do not link against shared libraries">; -def allow_multiple_definition: Flag<["--"], "allow-multiple-definition">, - HelpText<"Allow multiple definitions">; +def build_id: F<"build-id">, HelpText<"Generate build ID note">; + +def build_id_eq: J<"build-id=">, HelpText<"Generate build ID note">; + +def L: JoinedOrSeparate<["-"], "L">, MetaVarName<"<dir>">, + HelpText<"Add a directory to the library search path">; + +def O: Joined<["-"], "O">, HelpText<"Optimize output file size">; -def allow_shlib_undefined : Flag<["--", "-"], "allow-shlib-undefined">; +def allow_multiple_definition: F<"allow-multiple-definition">, + HelpText<"Allow multiple definitions">; -def as_needed : Flag<["--"], "as-needed">; +def as_needed: F<"as-needed">, + HelpText<"Only set DT_NEEDED for shared libraries if used">; -def disable_new_dtags : Flag<["--"], "disable-new-dtags">, +def disable_new_dtags: F<"disable-new-dtags">, HelpText<"Disable new dynamic tags">; -def discard_all : Flag<["-"], "discard-all">, - HelpText<"Delete all local symbols">; +def discard_all: F<"discard-all">, HelpText<"Delete all local symbols">; -def discard_locals : Flag<["-"], "discard-locals">, +def discard_locals: F<"discard-locals">, HelpText<"Delete temporary local symbols">; -def discard_none : Flag<["-"], "discard-none">, +def discard_none: F<"discard-none">, HelpText<"Keep all symbols in the symbol table">; -def dynamic_linker : Separate<["--", "-"], "dynamic-linker">, +def dynamic_linker: S<"dynamic-linker">, HelpText<"Which dynamic linker to use">; -def enable_new_dtags : Flag<["--"], "enable-new-dtags">, +def dynamic_list: S<"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 enable_new_dtags: F<"enable-new-dtags">, HelpText<"Enable new dynamic tags">; -def entry : Separate<["--", "-"], "entry">, MetaVarName<"<entry>">, +def end_lib: F<"end-lib">, + HelpText<"End a grouping of objects that should be treated as if they were together in an archive">; + +def entry: S<"entry">, MetaVarName<"<entry>">, HelpText<"Name of entry point symbol">; -def export_dynamic : Flag<["--", "-"], "export-dynamic">, +def export_dynamic: F<"export-dynamic">, HelpText<"Put symbols in the dynamic symbol table">; -def fini : Separate<["-"], "fini">, MetaVarName<"<symbol>">, +def export_dynamic_symbol: S<"export-dynamic-symbol">, + HelpText<"Put a symbol in the dynamic symbol table">; + +def fatal_warnings: F<"fatal-warnings">, + HelpText<"Treat warnings as errors">; + +def fini: S<"fini">, MetaVarName<"<symbol>">, HelpText<"Specify a finalizer function">; -def hash_style : Separate<["--", "-"], "hash-style">, +def hash_style: S<"hash-style">, HelpText<"Specify hash style (sysv, gnu or both)">; -def gc_sections : Flag<["--"], "gc-sections">, +def help: F<"help">, HelpText<"Print option help">; + +def icf: F<"icf=all">, HelpText<"Enable identical code folding">; + +def image_base : J<"image-base=">, HelpText<"Set the base address">; + +def gc_sections: F<"gc-sections">, HelpText<"Enable garbage collection of unused sections">; -def init : Separate<["-"], "init">, MetaVarName<"<symbol>">, +def init: S<"init">, MetaVarName<"<symbol>">, HelpText<"Specify an initializer function">; -def l : JoinedOrSeparate<["-"], "l">, MetaVarName<"<libName>">, +def l: JoinedOrSeparate<["-"], "l">, MetaVarName<"<libName>">, HelpText<"Root name of library to use">; -def m : JoinedOrSeparate<["-"], "m">, - HelpText<"Set target emulation">; +def lto_O: J<"lto-O">, MetaVarName<"<opt-level>">, + HelpText<"Optimization level for LTO">; + +def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">; + +def no_as_needed: F<"no-as-needed">, + HelpText<"Always DT_NEEDED for shared libraries">; -def no_allow_shlib_undefined : Flag<["--"], "no-allow-shlib-undefined">; +def no_demangle: F<"no-demangle">, + HelpText<"Do not demangle symbol names">; -def no_as_needed : Flag<["--"], "no-as-needed">; +def no_gnu_unique: F<"no-gnu-unique">, + HelpText<"Disable STB_GNU_UNIQUE symbol binding">; -def no_whole_archive : Flag<["--", "-"], "no-whole-archive">, +def no_whole_archive: F<"no-whole-archive">, HelpText<"Restores the default behavior of loading archive members">; -def noinhibit_exec : Flag<["--"], "noinhibit-exec">, +def noinhibit_exec: F<"noinhibit-exec">, HelpText<"Retain the executable output file whenever it is still usable">; -def no_undefined : Flag<["--"], "no-undefined">, +def no_undefined: F<"no-undefined">, HelpText<"Report unresolved symbols even if the linker is creating a shared library">; -def o : Separate<["-"], "o">, MetaVarName<"<path>">, +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 print_gc_sections: Flag<["--"], "print-gc-sections">, +def pie: F<"pie">, HelpText<"Create a position independent executable">; + +def print_gc_sections: F<"print-gc-sections">, HelpText<"List removed unused sections">; -def rpath : Separate<["-"], "rpath">, - HelpText<"Add a DT_RUNPATH to the output">; +def reproduce: S<"reproduce">, + HelpText<"Dump linker invocation and input files for debugging">; + +def rpath: S<"rpath">, HelpText<"Add a DT_RUNPATH to the output">; + +def relocatable: F<"relocatable">, HelpText<"Create relocatable object file">; + +def script: S<"script">, HelpText<"Read linker script">; + +def shared: F<"shared">, HelpText<"Build a shared object">; + +def soname: J<"soname=">, HelpText<"Set DT_SONAME">; -def relocatable : Flag<["--"], "relocatable">; +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 script : Separate<["--"], "script">, HelpText<"Read linker script">; +def strip_all: F<"strip-all">, HelpText<"Strip all symbols">; -def shared : Flag<["-"], "shared">, - HelpText<"Build a shared object">; +def strip_debug: F<"strip-debug">, HelpText<"Strip debugging information">; -def soname : Joined<["-"], "soname=">, - HelpText<"Set DT_SONAME">; +def sysroot: J<"sysroot=">, HelpText<"Set the system root">; -def strip_all : Flag<["--"], "strip-all">, - HelpText<"Strip all symbols">; +def threads: F<"threads">, HelpText<"Enable use of threads">; -def sysroot : Joined<["--"], "sysroot=">, - HelpText<"Set the system root">; +def trace: F<"trace">, HelpText<"Print the names of the input files">; -def undefined : Joined<["--"], "undefined=">, +def trace_symbol : J<"trace-symbol=">, HelpText<"Trace references to symbols">; + +def undefined: J<"undefined=">, HelpText<"Force undefined symbol during linking">; -def verbose : Flag<["--"], "verbose">; +def unresolved_symbols: J<"unresolved-symbols=">, + HelpText<"Determine how to handle unresolved symbols">; + +def rsp_quoting: J<"rsp-quoting=">, + HelpText<"Quoting style for response files. Values supported: windows|posix">; + +def verbose: F<"verbose">, HelpText<"Verbose mode">; + +def version: F<"version">, HelpText<"Display the version number">; -def whole_archive : Flag<["--", "-"], "whole-archive">, +def version_script: S<"version-script">, + HelpText<"Read a version script">; + +def warn_common: F<"warn-common">, + HelpText<"Warn about duplicate common symbols">; + +def whole_archive: F<"whole-archive">, HelpText<"Force load of all members in a static library">; -def wrap : Separate<["--", "-"], "wrap">, MetaVarName<"<symbol>">, +def wrap: S<"wrap">, MetaVarName<"<symbol>">, HelpText<"Use wrapper functions for symbol">; -def z : JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, +def z: JoinedOrSeparate<["-"], "z">, MetaVarName<"<option>">, HelpText<"Linker option extensions">; // Aliases -def alias_Bdynamic_call_shared: Flag<["-"], "call_shared">, Alias<Bdynamic>; -def alias_Bdynamic_dy: Flag<["-"], "dy">, Alias<Bdynamic>; -def alias_Bstatic_dn: Flag<["-"], "dn">, Alias<Bstatic>; -def alias_Bstatic_non_shared: Flag<["-"], "non_shared">, Alias<Bstatic>; -def alias_Bstatic_static: Flag<["-"], "static">, Alias<Bstatic>; -def alias_L__library_path : Joined<["--"], "library-path=">, Alias<L>; +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_L__library_path: J<"library-path=">, Alias<L>; def alias_discard_all_x: Flag<["-"], "x">, Alias<discard_all>; def alias_discard_locals_X: Flag<["-"], "X">, Alias<discard_locals>; -def alias_entry_e : Separate<["-"], "e">, Alias<entry>; +def alias_dynamic_list: J<"dynamic-list=">, Alias<dynamic_list>; +def alias_entry_e: JoinedOrSeparate<["-"], "e">, Alias<entry>; +def alias_entry_entry: J<"entry=">, Alias<entry>; def alias_export_dynamic_E: Flag<["-"], "E">, Alias<export_dynamic>; -def alias_fini_fini : Joined<["-"], "fini=">, Alias<fini>; -def alias_hash_style_hash_style : Joined<["--", "-"], "hash-style=">, Alias<hash_style>; -def alias_init_init : Joined<["-"], "init=">, Alias<init>; -def alias_l__library : Joined<["--"], "library=">, Alias<l>; -def alias_o_output : Joined<["--"], "output=">, Alias<o>; -def alias_rpath_rpath : Joined<["-"], "rpath=">, Alias<rpath>; -def alias_relocatable_r : Flag<["-"], "r">, Alias<relocatable>; -def alias_shared_Bshareable : Flag<["-"], "Bshareable">, Alias<shared>; -def alias_soname_h : Separate<["-"], "h">, Alias<soname>; -def alias_soname_soname : Separate<["-"], "soname">, Alias<soname>; -def alias_script_T : Separate<["-"], "T">, Alias<script>; +def alias_export_dynamic_symbol: J<"export-dynamic-symbol=">, + Alias<export_dynamic_symbol>; +def alias_fini_fini: J<"fini=">, Alias<fini>; +def alias_hash_style_hash_style: J<"hash-style=">, Alias<hash_style>; +def alias_init_init: J<"init=">, Alias<init>; +def alias_l__library: J<"library=">, Alias<l>; +def alias_o_output: Joined<["--"], "output=">, Alias<o>; +def alias_pie_pic_executable: F<"pic-executable">, Alias<pie>; +def alias_relocatable_r: Flag<["-"], "r">, Alias<relocatable>; +def alias_rpath_R: Joined<["-"], "R">, Alias<rpath>; +def alias_rpath_rpath: J<"rpath=">, 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_soname_soname: S<"soname">, Alias<soname>; def alias_strip_all: Flag<["-"], "s">, Alias<strip_all>; -def alias_undefined_u : Separate<["-"], "u">, Alias<undefined>; -def alias_wrap_wrap : Joined<["--", "-"], "wrap=">, Alias<wrap>; +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_undefined_u: JoinedOrSeparate<["-"], "u">, Alias<undefined>; +def alias_version_V: Flag<["-"], "V">, Alias<version>; +def alias_version_v: Flag<["-"], "v">, Alias<version>; +def alias_wrap_wrap: J<"wrap=">, Alias<wrap>; // 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 : Flag<["--"], "end-group">; +def end_group: F<"end-group">; def end_group_paren: Flag<["-"], ")">; -def start_group : Flag<["--"], "start-group">; +def start_group: F<"start-group">; def start_group_paren: Flag<["-"], "(">; +// 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=">; +def plugin_opt: S<"plugin-opt">; +def plugin_opt_eq: J<"plugin-opt=">; + // Options listed below are silently ignored for now for compatibility. -def build_id : Flag<["--"], "build-id">; -def eh_frame_hdr : Flag<["--"], "eh-frame-hdr">; -def fatal_warnings : Flag<["--"], "fatal-warnings">; -def no_add_needed : Flag<["--"], "no-add-needed">; -def no_fatal_warnings : Flag<["--"], "no-fatal-warnings">; -def no_warn_mismatch : Flag<["--"], "no-warn-mismatch">; -def version_script : Separate<["--"], "version-script">; -def warn_common : Flag<["--"], "warn-common">; -def warn_shared_textrel : Flag<["--"], "warn-shared-textrel">; -def G : Separate<["-"], "G">; +def allow_shlib_undefined: F<"allow-shlib-undefined">; +def define_common: F<"define-common">; +def demangle: F<"demangle">; +def detect_odr_violations: F<"detect-odr-violations">; +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">, + Alias<no_add_needed>; +def no_dynamic_linker: F<"no-dynamic-linker">; +def no_fatal_warnings: F<"no-fatal-warnings">; +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 warn_execstack: F<"warn-execstack">; +def warn_shared_textrel: F<"warn-shared-textrel">; +def G: Separate<["-"], "G">; // Aliases for ignored options -def alias_version_script_version_script : Joined<["--"], "version-script=">, Alias<version_script>; +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_version_script_version_script: J<"version-script=">, + Alias<version_script>; + +// LTO-related options. +def lto_jobs: J<"lto-jobs=">, HelpText<"Number of threads to run codegen">; +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 disable_verify: F<"disable-verify">; +def mllvm: S<"mllvm">; +def save_temps: F<"save-temps">; |