2018-04-24 13:43:32 +08:00
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include "llvm/Option/OptParser.td"
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2018-11-02 01:20:40 +08:00
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multiclass Eq<string name, string help> {
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2018-11-02 05:38:14 +08:00
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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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2018-04-24 13:43:32 +08:00
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}
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def help : Flag<["-", "--"], "help">;
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2018-11-02 05:38:14 +08:00
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2018-11-02 01:20:40 +08:00
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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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2018-11-02 05:38:14 +08:00
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def B : JoinedOrSeparate<["-"], "B">, Alias<binary_architecture>;
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2018-11-02 01:20:40 +08:00
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defm target : Eq<"target", "Format of the input and output file">,
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2018-10-12 08:36:01 +08:00
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Values<"binary">;
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2018-11-02 05:38:14 +08:00
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def F : JoinedOrSeparate<["-"], "F">, Alias<target>;
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2018-11-02 01:20:40 +08:00
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defm input_target : Eq<"input-target", "Format of the input file">,
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2018-04-24 13:43:32 +08:00
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Values<"binary">;
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2018-11-02 05:38:14 +08:00
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def I : JoinedOrSeparate<["-"], "I">, Alias<input_target>;
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2018-11-02 01:20:40 +08:00
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defm output_target : Eq<"output-target", "Format of the output file">,
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2018-04-24 13:43:32 +08:00
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Values<"binary">;
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2018-11-02 05:38:14 +08:00
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def O : JoinedOrSeparate<["-"], "O">, Alias<output_target>;
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2018-09-07 16:10:22 +08:00
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def compress_debug_sections : Flag<["--", "-"], "compress-debug-sections">;
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2018-11-02 05:38:14 +08:00
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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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2018-10-01 18:29:41 +08:00
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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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2018-11-02 01:20:40 +08:00
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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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2018-08-17 02:29:40 +08:00
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2018-11-02 01:36:37 +08:00
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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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2018-11-02 05:38:14 +08:00
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def preserve_dates : Flag<["-", "--"], "preserve-dates">,
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2018-08-17 02:29:40 +08:00
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HelpText<"Preserve access and modification timestamps">;
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2018-11-02 05:38:14 +08:00
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def p : Flag<["-"], "p">, Alias<preserve_dates>;
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2018-08-17 02:29:40 +08:00
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2018-11-02 05:38:14 +08:00
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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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2018-08-17 02:29:40 +08:00
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2018-11-02 01:20:40 +08:00
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defm remove_section : Eq<"remove-section", "Remove <section>">,
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MetaVarName<"section">;
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2018-11-02 05:38:14 +08:00
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def R : JoinedOrSeparate<["-"], "R">, Alias<remove_section>;
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2018-08-02 00:23:22 +08:00
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defm rename_section
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2018-11-02 01:20:40 +08:00
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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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2018-11-02 05:38:14 +08:00
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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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2019-02-08 18:33:16 +08:00
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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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[llvm-objcopy] Rename --keep to --keep-section.
Summary:
llvm-objcopy/strip support `--keep` (for sections) and `--keep-symbols` (for symbols). For consistency and clarity, rename `--keep` to `--keep-section`.
In fact, for GNU compatability, -K is --keep-symbol, so it's weird that the alias `-K` is not the same as the short-ish `--keep`.
Reviewers: jakehehrlich, jhenderson, alexshap, MaskRay, espindola
Reviewed By: jakehehrlich, MaskRay
Subscribers: emaste, arichardson, llvm-commits
Differential Revision: https://reviews.llvm.org/D54477
llvm-svn: 346782
2018-11-14 03:32:27 +08:00
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defm keep_section : Eq<"keep-section", "Keep <section>">,
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MetaVarName<"section">;
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2018-12-06 10:03:53 +08:00
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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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2018-11-02 01:20:40 +08:00
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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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2018-11-02 05:38:14 +08:00
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[llvm-objcopy] Implement --set-section-flags.
Summary:
--set-section-flags is used to change the section flags (e.g. SHF_ALLOC) for given sections. The flags allowed are the same from the existing --rename-section=.old=.new[,flags] feature.
Additionally, make sure that --set-section-flag cannot be used with --rename-section (either the source or destination), since --rename-section accepts flags. This avoids ambiguity for something like "--rename-section=.foo=.bar,alloc --set-section-flag=.bar,code".
Reviewers: jhenderson, jakehehrlich, alexshap, espindola
Reviewed By: jhenderson, jakehehrlich
Subscribers: llvm-commits, emaste, arichardson
Differential Revision: https://reviews.llvm.org/D57198
llvm-svn: 352505
2019-01-29 23:05:38 +08:00
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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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[llvm-objcopy]Don't implicitly strip sections in segments
This patch changes llvm-objcopy's behaviour to not strip sections that
are in segments, if they otherwise would be due to a stripping operation
(--strip-all, --strip-sections, --strip-non-alloc). This preserves the
segment contents. It does not change the behaviour of --strip-all-gnu
(although we could choose to do so), because GNU objcopy's behaviour in
this case seems to be to strip the section, nor does it prevent removing
of sections in segments with --remove-section (if a user REALLY wants to
remove a section, we should probably let them, although I could be
persuaded that warning might be appropriate). Tests have been added to
show this latter behaviour.
This fixes https://bugs.llvm.org/show_bug.cgi?id=41006.
Reviewed by: grimar, rupprecht, jakehehrlich
Differential Revision: https://reviews.llvm.org/D59293
This is a reland of r356129, attempting to fix greendragon failures
due to a suspected compatibility issue with od on the greendragon bots
versus other versions.
llvm-svn: 356136
2019-03-14 19:47:41 +08:00
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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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2018-11-02 05:38:14 +08:00
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def S : Flag<["-"], "S">, Alias<strip_all>;
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2018-04-24 13:43:32 +08:00
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def strip_all_gnu : Flag<["-", "--"], "strip-all-gnu">,
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2018-11-02 01:48:46 +08:00
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HelpText<"Compatible with GNU objcopy's --strip-all">;
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2018-04-24 13:43:32 +08:00
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def strip_debug : Flag<["-", "--"], "strip-debug">,
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2018-04-25 05:44:13 +08:00
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HelpText<"Remove all debug information">;
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2019-01-25 17:57:20 +08:00
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def g : Flag<["-"], "g">, Alias<strip_debug>,
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HelpText<"Alias for --strip-debug">;
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2018-04-24 13:43:32 +08:00
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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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[llvm-objcopy]Don't implicitly strip sections in segments
This patch changes llvm-objcopy's behaviour to not strip sections that
are in segments, if they otherwise would be due to a stripping operation
(--strip-all, --strip-sections, --strip-non-alloc). This preserves the
segment contents. It does not change the behaviour of --strip-all-gnu
(although we could choose to do so), because GNU objcopy's behaviour in
this case seems to be to strip the section, nor does it prevent removing
of sections in segments with --remove-section (if a user REALLY wants to
remove a section, we should probably let them, although I could be
persuaded that warning might be appropriate). Tests have been added to
show this latter behaviour.
This fixes https://bugs.llvm.org/show_bug.cgi?id=41006.
Reviewed by: grimar, rupprecht, jakehehrlich
Differential Revision: https://reviews.llvm.org/D59293
This is a reland of r356129, attempting to fix greendragon failures
due to a suspected compatibility issue with od on the greendragon bots
versus other versions.
llvm-svn: 356136
2019-03-14 19:47:41 +08:00
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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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2018-11-02 05:38:14 +08:00
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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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[llvm-objcopy]Don't implicitly strip sections in segments
This patch changes llvm-objcopy's behaviour to not strip sections that
are in segments, if they otherwise would be due to a stripping operation
(--strip-all, --strip-sections, --strip-non-alloc). This preserves the
segment contents. It does not change the behaviour of --strip-all-gnu
(although we could choose to do so), because GNU objcopy's behaviour in
this case seems to be to strip the section, nor does it prevent removing
of sections in segments with --remove-section (if a user REALLY wants to
remove a section, we should probably let them, although I could be
persuaded that warning might be appropriate). Tests have been added to
show this latter behaviour.
This fixes https://bugs.llvm.org/show_bug.cgi?id=41006.
Reviewed by: grimar, rupprecht, jakehehrlich
Differential Revision: https://reviews.llvm.org/D59293
This is a reland of r356129, attempting to fix greendragon failures
due to a suspected compatibility issue with od on the greendragon bots
versus other versions.
llvm-svn: 356136
2019-03-14 19:47:41 +08:00
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defm strip_unneeded_symbol
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2019-02-13 15:34:54 +08:00
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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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2018-11-02 05:38:14 +08:00
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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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2018-11-02 01:20:40 +08:00
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defm localize_symbol : Eq<"localize-symbol", "Mark <symbol> as local">,
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MetaVarName<"symbol">;
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2019-02-08 22:37:54 +08:00
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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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2018-11-02 05:38:14 +08:00
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def L : JoinedOrSeparate<["-"], "L">, Alias<localize_symbol>;
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2018-08-18 06:34:48 +08:00
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2018-11-02 05:38:14 +08:00
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defm globalize_symbol : Eq<"globalize-symbol", "Mark <symbol> as global">,
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MetaVarName<"symbol">;
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2019-02-08 22:37:54 +08:00
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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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2018-08-18 06:34:48 +08:00
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defm keep_global_symbol
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2018-11-02 05:38:14 +08:00
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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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2018-11-02 01:20:40 +08:00
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MetaVarName<"symbol">;
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2018-11-02 05:38:14 +08:00
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def G : JoinedOrSeparate<["-"], "G">, Alias<keep_global_symbol>;
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2018-08-18 06:34:48 +08:00
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defm keep_global_symbols
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2018-11-02 01:20:40 +08:00
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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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2018-11-02 05:38:14 +08:00
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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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2018-11-02 01:20:40 +08:00
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MetaVarName<"filename">;
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2018-08-18 06:34:48 +08:00
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2018-11-02 01:20:40 +08:00
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defm weaken_symbol : Eq<"weaken-symbol", "Mark <symbol> as weak">,
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2018-11-02 05:38:14 +08:00
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MetaVarName<"symbol">;
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2019-02-08 22:37:54 +08:00
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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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2018-11-02 05:38:14 +08:00
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def W : JoinedOrSeparate<["-"], "W">, Alias<weaken_symbol>;
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2018-05-03 04:14:49 +08:00
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def weaken : Flag<["-", "--"], "weaken">,
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2018-11-02 05:38:14 +08:00
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HelpText<"Mark all global symbols as weak">;
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[llvm-objcopy] Support -X|--discard-locals.
Summary:
This adds support for the --discard-locals flag, which acts similarly to --discard-all, except it only applies to compiler-generated symbols (i.e. symbols starting with `.L` in ELF).
I am not sure about COFF local symbols: those appear to also use `.L` in most cases, but also use just `L` in other cases, so for now I am just leaving it unimplemented there.
Fixes PR36160
Reviewers: jhenderson, alexshap, jakehehrlich, mstorsjo, espindola
Reviewed By: jhenderson
Subscribers: llvm-commits, emaste, arichardson
Differential Revision: https://reviews.llvm.org/D57248
llvm-svn: 352626
2019-01-30 22:58:13 +08:00
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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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2018-11-02 05:38:14 +08:00
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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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2018-11-02 01:20:40 +08:00
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defm strip_symbol : Eq<"strip-symbol", "Remove symbol <symbol>">,
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2018-11-02 05:38:14 +08:00
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MetaVarName<"symbol">;
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2019-02-08 22:37:54 +08:00
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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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2018-11-02 05:38:14 +08:00
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def N : JoinedOrSeparate<["-"], "N">, Alias<strip_symbol>;
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2018-11-02 01:20:40 +08:00
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defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
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2018-11-02 05:38:14 +08:00
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MetaVarName<"symbol">;
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def K : JoinedOrSeparate<["-"], "K">, Alias<keep_symbol>;
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2019-03-15 05:51:42 +08:00
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2018-11-02 05:38:14 +08:00
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def only_keep_debug
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: Flag<["-", "--"], "only-keep-debug">,
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2019-03-15 05:51:42 +08:00
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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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2018-05-26 16:10:37 +08:00
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def keep_file_symbols : Flag<["-", "--"], "keep-file-symbols">,
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2018-11-02 05:38:14 +08:00
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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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2018-11-28 14:51:50 +08:00
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def V : Flag<["-"], "V">, Alias<version>;
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2018-12-04 03:49:23 +08:00
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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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2019-02-06 19:00:07 +08:00
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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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2019-02-25 22:12:41 +08:00
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2019-02-26 17:24:22 +08:00
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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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2019-02-25 22:12:41 +08:00
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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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