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