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5a36888d0c
Summary:
This change adds support for the GNU --target flag, which sets both --input-target and --output-target.
GNU objcopy doesn't do any checking for whether both --target and --{input,output}-target are used, and so it allows both, e.g. "--target A --output-target B" is equivalent to "--input-target A --output-target B" since the later command line flag would override earlier ones. This may be error prone, so I chose to implement it as an error if both are used. I'm not sure if anyone is actually using both.
Reviewers: jakehehrlich, jhenderson, alexshap
Reviewed By: jakehehrlich, alexshap
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D53029
llvm-svn: 344321
152 lines
7.3 KiB
TableGen
152 lines
7.3 KiB
TableGen
include "llvm/Option/OptParser.td"
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multiclass Eq<string name> {
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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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}
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def help : Flag<["-", "--"], "help">;
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defm binary_architecture : Eq<"binary-architecture">,
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HelpText<"Used when transforming an architecture-less format (such as binary) to another format">;
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def B : JoinedOrSeparate<["-"], "B">,
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Alias<binary_architecture>;
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defm target : Eq<"target">,
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HelpText<"Format of the input and output file">,
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Values<"binary">;
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def F : JoinedOrSeparate<[ "-" ], "F">, Alias<target>;
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defm input_target : Eq<"input-target">,
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HelpText<"Format of the input file">,
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Values<"binary">;
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def I : JoinedOrSeparate<[ "-" ], "I">, Alias<input_target>;
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defm output_target : Eq<"output-target">,
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HelpText<"Format of the output file">,
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Values<"binary">;
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def compress_debug_sections : Flag<["--", "-"], "compress-debug-sections">;
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def compress_debug_sections_eq : Joined<["--", "-"], "compress-debug-sections=">,
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MetaVarName<"[ zlib | zlib-gnu ]">,
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HelpText<"Compress DWARF debug sections using "
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"specified style. Supported styles: "
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"'zlib-gnu' and 'zlib'">;
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def decompress_debug_sections : Flag<["-", "--"], "decompress-debug-sections">,
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HelpText<"Decompress DWARF debug sections.">;
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def O : JoinedOrSeparate<["-"], "O">,
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Alias<output_target>;
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defm split_dwo : Eq<"split-dwo">,
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MetaVarName<"dwo-file">,
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HelpText<"Equivalent to extract-dwo on the input file to <dwo-file>, then strip-dwo on the input file">;
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def preserve_dates : Flag<[ "-", "--" ], "preserve-dates">,
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HelpText<"Preserve access and modification timestamps">;
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def p : Flag<[ "-" ], "p">, Alias<preserve_dates>;
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defm add_gnu_debuglink : Eq<"add-gnu-debuglink">,
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MetaVarName<"debug-file">,
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HelpText<"Add a .gnu_debuglink for <debug-file>">;
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defm remove_section : Eq<"remove-section">,
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MetaVarName<"section">,
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HelpText<"Remove <section>">;
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defm rename_section
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: Eq<"rename-section">,
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MetaVarName<"old=new[,flag1,...]">,
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HelpText<
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"Renames a section from old to new, optionally with specified flags. "
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"Flags supported for GNU compatibility: alloc, load, noload, "
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"readonly, debug, code, data, rom, share, contents, merge, strings.">;
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defm redefine_symbol : Eq<"redefine-sym">,
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MetaVarName<"old=new">,
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HelpText<"Change the name of a symbol old to new">;
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def R : JoinedOrSeparate<["-"], "R">,
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Alias<remove_section>;
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defm keep : Eq<"keep">,
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MetaVarName<"section">,
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HelpText<"Keep <section>">;
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defm only_keep : Eq<"only-keep">,
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MetaVarName<"section">,
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HelpText<"Remove all but <section>">;
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def j : JoinedOrSeparate<["-"], "j">,
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Alias<only_keep>;
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defm add_section : Eq<"add-section">,
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MetaVarName<"section=file">,
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HelpText<"Make a section named <section> with the contents of <file>.">;
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def strip_all : Flag<["-", "--"], "strip-all">,
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HelpText<"Remove non-allocated sections other than .gnu.warning* sections">;
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def S : Flag<["-"], "S">,
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Alias<strip_all>;
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def strip_all_gnu : Flag<["-", "--"], "strip-all-gnu">,
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HelpText<"Compaitable with GNU objcopy's --strip-all">;
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def strip_debug : Flag<["-", "--"], "strip-debug">,
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HelpText<"Remove all debug information">;
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def strip_dwo : Flag<["-", "--"], "strip-dwo">,
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HelpText<"Remove all DWARF .dwo sections from file">;
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def strip_sections : Flag<["-", "--"], "strip-sections">,
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HelpText<"Remove all section headers">;
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def strip_non_alloc : Flag<["-", "--"], "strip-non-alloc">,
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HelpText<"Remove all non-allocated sections">;
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def extract_dwo : Flag<["-", "--"], "extract-dwo">,
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HelpText<"Remove all sections that are not DWARF .dwo sections from file">;
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def localize_hidden : Flag<["-", "--"], "localize-hidden">,
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HelpText<"Mark all symbols that have hidden or internal visibility as local">;
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defm localize_symbol : Eq<"localize-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Mark <symbol> as local">;
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def L : JoinedOrSeparate<["-"], "L">,
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Alias<localize_symbol>;
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defm globalize_symbol : Eq<"globalize-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Mark <symbol> as global">;
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defm keep_global_symbol
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: Eq<"keep-global-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Convert all symbols except <symbol> to local. May be repeated "
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"to convert all except a set of symbols to local.">;
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def G : JoinedOrSeparate<[ "-" ], "G">, Alias<keep_global_symbol>;
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defm keep_global_symbols
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: Eq<"keep-global-symbols">,
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MetaVarName<"filename">,
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HelpText<
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"Reads a list of symbols from <filename> and runs as if "
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"--keep-global-symbol=<symbol> is set for each one. <filename> "
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"contains one symbol per line and may contain comments beginning "
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"with '#'. Leading and trailing whitespace is stripped from each "
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"line. May be repeated to read symbols from many files.">;
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def version : Flag<[ "-", "--" ], "version">,
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HelpText<"Print the version and exit.">;
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defm weaken_symbol : Eq<"weaken-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Mark <symbol> as weak">;
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def W : JoinedOrSeparate<["-"], "W">,
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Alias<weaken_symbol>;
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def weaken : Flag<["-", "--"], "weaken">,
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HelpText<"Mark all global symbols as weak">;
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def discard_all : Flag<["-", "--"], "discard-all">,
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HelpText<"Remove all local symbols except file and section symbols">;
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def x : Flag<["-"], "x">,
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Alias<discard_all>;
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defm strip_symbol : Eq<"strip-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Remove symbol <symbol>">;
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def N : JoinedOrSeparate<["-"], "N">,
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Alias<strip_symbol>;
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defm keep_symbol : Eq<"keep-symbol">,
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MetaVarName<"symbol">,
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HelpText<"Do not remove symbol <symbol>">;
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def K : JoinedOrSeparate<["-"], "K">,
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Alias<keep_symbol>;
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def only_keep_debug : Flag<["-", "--"], "only-keep-debug">,
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HelpText<"Currently ignored. Only for compaitability with GNU objcopy.">;
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def strip_unneeded : Flag<["-", "--"], "strip-unneeded">,
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HelpText<"Remove all symbols not needed by relocations">;
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def keep_file_symbols : Flag<["-", "--"], "keep-file-symbols">,
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HelpText<"Do not remove file symbols">;
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defm dump_section : Eq<"dump-section">,
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MetaVarName<"section=file">,
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HelpText<"Dump contents of section named <section> into file <file>">;
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defm prefix_symbols : Eq<"prefix-symbols">,
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MetaVarName<"prefix">,
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HelpText<"Add <prefix> to the start of every symbol name">;
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