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63099538ab
Summary: GNU objcopy accepts the --wildcard flag to allow wildcard matching on symbol-related flags. (Note: it's implicitly true for section flags). The basic syntax is to allow *, ?, \, and [] which work similarly to how they work in a shell. Additionally, starting a wildcard with ! causes that wildcard to prevent it from matching a flag. Use an updated GlobPattern in libSupport to handle these patterns. It does not fully match the `fnmatch` used by GNU objcopy since named character classes (e.g. `[[:digit:]]`) are not supported, but this should support most existing use cases (mostly just `*` is what's used anyway). Reviewers: jhenderson, MaskRay, evgeny777, espindola, alexshap Reviewed By: MaskRay Subscribers: nickdesaulniers, emaste, arichardson, hiraditya, jakehehrlich, abrachet, seiya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D66613 llvm-svn: 375169
124 lines
4.7 KiB
TableGen
124 lines
4.7 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 the tool 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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def enable_deterministic_archives
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: Flag<["--"], "enable-deterministic-archives">,
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HelpText<"Enable deterministic mode when operating on archives (use "
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"zero for 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 operating on archives (use "
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"real 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">,
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Alias<preserve_dates>,
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HelpText<"Alias for --preserve-dates">;
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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 strip_all_gnu
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: Flag<["--"], "strip-all-gnu">,
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HelpText<"Compatible with GNU's --strip-all">;
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def strip_debug : Flag<["--"], "strip-debug">,
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HelpText<"Remove all debug sections">;
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def g : Flag<["-"], "g">,
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Alias<strip_debug>,
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HelpText<"Alias for --strip-debug">;
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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 remove_section : Eq<"remove-section", "Remove <section>">,
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MetaVarName<"section">;
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def R : JoinedOrSeparate<["-"], "R">,
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Alias<remove_section>,
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HelpText<"Alias for --remove-section">;
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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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defm strip_symbol : Eq<"strip-symbol", "Strip <symbol>">,
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MetaVarName<"symbol">;
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def N : JoinedOrSeparate<["-"], "N">,
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Alias<strip_symbol>,
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HelpText<"Alias for --strip-symbol">;
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defm keep_section : Eq<"keep-section", "Keep <section>">,
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MetaVarName<"section">;
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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">,
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Alias<keep_symbol>,
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HelpText<"Alias for --keep-symbol">;
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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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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 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">,
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Alias<discard_locals>,
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HelpText<"Alias for --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">,
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Alias<discard_all>,
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HelpText<"Alias for --discard-all">;
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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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def version : Flag<["--"], "version">,
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HelpText<"Print the version and exit.">;
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def V : Flag<["-"], "V">,
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Alias<version>,
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HelpText<"Alias for --version">;
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def wildcard
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: Flag<["--"], "wildcard">,
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HelpText<"Allow wildcard syntax for symbol-related flags. Incompatible "
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"with --regex. Allows using '*' to match any number of "
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"characters, '?' to match any single character, '\' to escape "
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"special characters, and '[]' to define character classes. "
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"Wildcards beginning with '!' will prevent a match, for example "
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"\"-N '*' -N '!x'\" will strip all symbols except for \"x\".">;
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def w : Flag<["-"], "w">, Alias<wildcard>, HelpText<"Alias for --wildcard">;
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