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95eab210ea
Summary:
llvm-{objcopy,strip} (and many other LLVM binary utilities) accept
cl::opt style -long-option as well as many short options (e.g. -p -S
-x). People who use them as replacement of GNU binutils often use the
grouped option syntax (POSIX Utility Conventions), e.g. -Sx => -S -x,
-Wd => -W -d, -sj.text => -s -j.text
There is ambiguity if a long option starts with the character used by a
short option. Drop the support for -long-option to resolve the ambiguity.
This divergence from other utilities is accepted (other utilities
continue supporting -long-option).
https://lists.llvm.org/pipermail/llvm-dev/2019-April/131786.html
Reviewers: alexshap, jakehehrlich, jhenderson, rupprecht, espindola
Reviewed By: jakehehrlich, jhenderson, rupprecht
Subscribers: grimar, emaste, arichardson, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60439
llvm-svn: 359265
278 lines
12 KiB
TableGen
278 lines
12 KiB
TableGen
include "llvm/Option/OptParser.td"
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multiclass Eq<string name, string help> {
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def NAME : Separate<["--"], name>;
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def NAME #_eq : Joined<["--"], name #"=">,
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Alias<!cast<Separate>(NAME)>,
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HelpText<help>;
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}
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def help : Flag<["--"], "help">;
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def h : Flag<["-"], "h">, Alias<help>;
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def allow_broken_links
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: Flag<["--"], "allow-broken-links">,
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HelpText<"Allow llvm-objcopy to remove sections even if it would leave "
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"invalid section references. The appropriate sh_link fields"
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"will be set to zero.">;
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defm binary_architecture
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: Eq<"binary-architecture", "Used when transforming an architecture-less "
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"format (such as binary) to another format">;
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def B : JoinedOrSeparate<["-"], "B">, Alias<binary_architecture>;
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defm target : Eq<"target", "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", "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", "Format of the output file">,
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Values<"binary">;
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def O : JoinedOrSeparate<["-"], "O">, Alias<output_target>;
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def compress_debug_sections : Flag<["--"], "compress-debug-sections">;
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def compress_debug_sections_eq
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: Joined<["--"], "compress-debug-sections=">,
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MetaVarName<"[ zlib | zlib-gnu ]">,
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HelpText<"Compress DWARF debug sections using specified style. Supported "
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"styles: '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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defm split_dwo
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: Eq<"split-dwo", "Equivalent to extract-dwo on the input file to "
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"<dwo-file>, then strip-dwo on the input file">,
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MetaVarName<"dwo-file">;
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def enable_deterministic_archives
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: Flag<["--"], "enable-deterministic-archives">,
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HelpText<"Enable deterministic mode when copying archives (use zero for "
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"UIDs, GIDs, and timestamps).">;
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def D : Flag<["-"], "D">,
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Alias<enable_deterministic_archives>,
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HelpText<"Alias for --enable-deterministic-archives">;
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def disable_deterministic_archives
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: Flag<["--"], "disable-deterministic-archives">,
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HelpText<"Disable deterministic mode when copying archives (use real "
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"values for UIDs, GIDs, and timestamps).">;
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def U : Flag<["-"], "U">,
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Alias<disable_deterministic_archives>,
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HelpText<"Alias for --disable-deterministic-archives">;
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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
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: Eq<"add-gnu-debuglink", "Add a .gnu_debuglink for <debug-file>">,
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MetaVarName<"debug-file">;
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defm remove_section : Eq<"remove-section", "Remove <section>">,
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MetaVarName<"section">;
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def R : JoinedOrSeparate<["-"], "R">, Alias<remove_section>;
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defm rename_section
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: Eq<"rename-section",
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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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MetaVarName<"old=new[,flag1,...]">;
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defm redefine_symbol
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: Eq<"redefine-sym", "Change the name of a symbol old to new">,
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MetaVarName<"old=new">;
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defm redefine_symbols
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: Eq<"redefine-syms",
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"Reads a list of symbol pairs from <filename> and runs as if "
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"--redefine-sym=<old>=<new> is set for each one. <filename> "
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"contains two symbols per line separated with whitespace and may "
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"contain comments beginning with '#'. Leading and trailing "
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"whitespace is stripped from each line. May be repeated to read "
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"symbols from many files.">,
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MetaVarName<"filename">;
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defm keep_section : Eq<"keep-section", "Keep <section>">,
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MetaVarName<"section">;
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defm only_section : Eq<"only-section", "Remove all but <section>">,
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MetaVarName<"section">;
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def j : JoinedOrSeparate<["-"], "j">, Alias<only_section>;
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defm add_section
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: Eq<"add-section",
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"Make a section named <section> with the contents of <file>.">,
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MetaVarName<"section=file">;
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defm set_section_flags
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: Eq<"set-section-flags",
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"Set section flags for a given section. Flags supported for GNU "
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"compatibility: alloc, load, noload, readonly, debug, code, data, "
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"rom, share, contents, merge, strings.">,
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MetaVarName<"section=flag1[,flag2,...]">;
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def strip_all : Flag<["--"], "strip-all">,
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HelpText<"Remove non-allocated sections outside segments. "
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".gnu.warning* sections are not removed">;
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def S : Flag<["-"], "S">, Alias<strip_all>;
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def strip_all_gnu : Flag<["--"], "strip-all-gnu">,
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HelpText<"Compatible 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 g : Flag<["-"], "g">, Alias<strip_debug>,
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HelpText<"Alias for --strip-debug">;
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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
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: Flag<["--"], "strip-sections">,
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HelpText<"Remove all section headers and all sections not in segments">;
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def strip_non_alloc
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: Flag<["--"], "strip-non-alloc">,
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HelpText<"Remove all non-allocated sections outside segments">;
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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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defm strip_unneeded_symbol
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: Eq<"strip-unneeded-symbol",
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"Remove symbol <symbol> if it is not needed by relocations">,
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MetaVarName<"symbol">;
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defm strip_unneeded_symbols
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: Eq<"strip-unneeded-symbols",
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"Reads a list of symbols from <filename> and removes them "
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"if they are not needed by relocations">,
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MetaVarName<"filename">;
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def extract_dwo
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: Flag<["--"], "extract-dwo">,
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HelpText<
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"Remove all sections that are not DWARF .dwo sections from file">;
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def localize_hidden
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: Flag<["--"], "localize-hidden">,
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HelpText<
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"Mark all symbols that have hidden or internal visibility as local">;
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defm localize_symbol : Eq<"localize-symbol", "Mark <symbol> as local">,
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MetaVarName<"symbol">;
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defm localize_symbols
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: Eq<"localize-symbols",
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"Reads a list of symbols from <filename> and marks them local.">,
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MetaVarName<"filename">;
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def L : JoinedOrSeparate<["-"], "L">, Alias<localize_symbol>;
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defm globalize_symbol : Eq<"globalize-symbol", "Mark <symbol> as global">,
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MetaVarName<"symbol">;
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defm globalize_symbols
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: Eq<"globalize-symbols",
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"Reads a list of symbols from <filename> and marks them global.">,
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MetaVarName<"filename">;
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defm keep_global_symbol
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: Eq<"keep-global-symbol",
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"Convert all symbols except <symbol> to local. May be repeated to "
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"convert all except a set of symbols to local.">,
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MetaVarName<"symbol">;
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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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"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 with "
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"'#'. Leading and trailing whitespace is stripped from each line. May "
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"be repeated to read symbols from many files.">,
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MetaVarName<"filename">;
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defm weaken_symbol : Eq<"weaken-symbol", "Mark <symbol> as weak">,
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MetaVarName<"symbol">;
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defm weaken_symbols
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: Eq<"weaken-symbols",
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"Reads a list of symbols from <filename> and marks them weak.">,
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MetaVarName<"filename">;
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def W : JoinedOrSeparate<["-"], "W">, 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_locals : Flag<["--"], "discard-locals">,
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HelpText<"Remove compiler-generated local symbols, (e.g. "
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"symbols starting with .L)">;
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def X : Flag<["-"], "X">, Alias<discard_locals>;
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def discard_all
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: 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">, Alias<discard_all>;
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defm strip_symbol : Eq<"strip-symbol", "Remove symbol <symbol>">,
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MetaVarName<"symbol">;
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defm strip_symbols
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: Eq<"strip-symbols",
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"Reads a list of symbols from <filename> and removes them.">,
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MetaVarName<"filename">;
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def N : JoinedOrSeparate<["-"], "N">, Alias<strip_symbol>;
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defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
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MetaVarName<"symbol">;
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def K : JoinedOrSeparate<["-"], "K">, Alias<keep_symbol>;
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defm keep_symbols
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: Eq<"keep-symbols",
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"Reads a list of symbols from <filename> and runs as if "
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"--keep-symbol=<symbol> is set for each one. <filename> "
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"contains one symbol per line and may contain comments beginning with "
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"'#'. Leading and trailing whitespace is stripped from each line. May "
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"be repeated to read symbols from many files.">,
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MetaVarName<"filename">;
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def only_keep_debug
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: Flag<["--"], "only-keep-debug">,
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HelpText<"Clear sections that would not be stripped by --strip-debug. "
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"Currently only implemented for COFF.">;
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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
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: Eq<"dump-section",
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"Dump contents of section named <section> into file <file>">,
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MetaVarName<"section=file">;
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defm prefix_symbols
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: Eq<"prefix-symbols", "Add <prefix> to the start of every symbol name">,
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MetaVarName<"prefix">;
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def version : Flag<["--"], "version">,
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HelpText<"Print the version and exit.">;
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def V : Flag<["-"], "V">, Alias<version>;
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defm build_id_link_dir
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: Eq<"build-id-link-dir", "Set directory for --build-id-link-input and "
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"--build-id-link-output to <dir>">,
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MetaVarName<"dir">;
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defm build_id_link_input
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: Eq<"build-id-link-input", "Hard-link the input to <dir>/xx/xxx<suffix> "
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"name derived from hex build ID">,
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MetaVarName<"suffix">;
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defm build_id_link_output
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: Eq<"build-id-link-output", "Hard-link the output to <dir>/xx/xxx<suffix> "
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"name derived from hex build ID">,
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MetaVarName<"suffix">;
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def regex
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: Flag<["--"], "regex">,
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HelpText<"Permit regular expressions in name comparison">;
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defm set_start : Eq<"set-start", "Set the start address to <addr>. Overrides "
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"any previous --change-start or --adjust-start values.">,
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MetaVarName<"addr">;
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defm change_start : Eq<"change-start", "Add <incr> to the start address. Can be "
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"specified multiple times, all values will be applied "
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"cumulatively.">,
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MetaVarName<"incr">;
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def adjust_start : JoinedOrSeparate<["--"], "adjust-start">,
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Alias<change_start>;
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defm add_symbol
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: Eq<"add-symbol", "Add new symbol <name> to .symtab. Accepted flags: "
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"global, local, weak, default, hidden, file, section, object, "
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"function, indirect-function. Accepted but ignored for "
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"compatibility: debug, constructor, warning, indirect, synthetic, "
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"unique-object, before.">,
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MetaVarName<"name=[section:]value[,flags]">;
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