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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
95 lines
3.8 KiB
TableGen
95 lines
3.8 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-strip 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 stripping archives (use zero "
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"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 stripping 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 output : JoinedOrSeparate<["-"], "o">, HelpText<"Write output to <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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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 strip's --strip-all">;
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def strip_debug : Flag<["--"], "strip-debug">,
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HelpText<"Remove debugging symbols only">;
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def d : Flag<["-"], "d">, Alias<strip_debug>;
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def g : Flag<["-"], "g">, Alias<strip_debug>;
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def S : Flag<["-"], "S">, Alias<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">, Alias<remove_section>;
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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">, Alias<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 keep_file_symbols : Flag<["--"], "keep-file-symbols">,
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HelpText<"Do not remove file symbols">;
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def K : JoinedOrSeparate<["-"], "K">, Alias<keep_symbol>;
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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">, 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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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">, Alias<version>;
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