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[llvm-objcopy] For multiclass Eq, associate help text with --name= , not with --name

Summary:
Before:
% llvm-objcopy -help
...
 --weaken-symbol=symbol  Mark <symbol> as weak
 --weaken-symbol symbol  Mark <symbol> as weak

After:
% llvm-objcopy -help
...
 --weaken-symbol=symbol  Mark <symbol> as weak

Reviewers: jhenderson, rupprecht, alexshap, jakehehrlich

Reviewed By: jhenderson

Subscribers: llvm-commits, kristina

Differential Revision: https://reviews.llvm.org/D53983

llvm-svn: 345855
This commit is contained in:
Fangrui Song 2018-11-01 17:20:40 +00:00
parent 34e1902713
commit e7a610a737
2 changed files with 65 additions and 81 deletions

View File

@ -1,25 +1,24 @@
include "llvm/Option/OptParser.td"
multiclass Eq<string name> {
multiclass Eq<string name, string help> {
def NAME: Separate<["--", "-"], name>;
def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>;
def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>,
HelpText<help>;
}
def help : Flag<["-", "--"], "help">;
defm binary_architecture : Eq<"binary-architecture">,
HelpText<"Used when transforming an architecture-less format (such as binary) to another format">;
defm binary_architecture
: Eq<"binary-architecture", "Used when transforming an architecture-less "
"format (such as binary) to another format">;
def B : JoinedOrSeparate<["-"], "B">,
Alias<binary_architecture>;
defm target : Eq<"target">,
HelpText<"Format of the input and output file">,
defm target : Eq<"target", "Format of the input and output file">,
Values<"binary">;
def F : JoinedOrSeparate<[ "-" ], "F">, Alias<target>;
defm input_target : Eq<"input-target">,
HelpText<"Format of the input file">,
defm input_target : Eq<"input-target", "Format of the input file">,
Values<"binary">;
def I : JoinedOrSeparate<[ "-" ], "I">, Alias<input_target>;
defm output_target : Eq<"output-target">,
HelpText<"Format of the output file">,
defm output_target : Eq<"output-target", "Format of the output file">,
Values<"binary">;
def compress_debug_sections : Flag<["--", "-"], "compress-debug-sections">;
def compress_debug_sections_eq : Joined<["--", "-"], "compress-debug-sections=">,
@ -31,44 +30,40 @@ def decompress_debug_sections : Flag<["-", "--"], "decompress-debug-sections">,
HelpText<"Decompress DWARF debug sections.">;
def O : JoinedOrSeparate<["-"], "O">,
Alias<output_target>;
defm split_dwo : Eq<"split-dwo">,
MetaVarName<"dwo-file">,
HelpText<"Equivalent to extract-dwo on the input file to <dwo-file>, then strip-dwo on the input file">;
defm split_dwo
: Eq<"split-dwo", "Equivalent to extract-dwo on the input file to "
"<dwo-file>, then strip-dwo on the input file">,
MetaVarName<"dwo-file">;
def preserve_dates : Flag<[ "-", "--" ], "preserve-dates">,
HelpText<"Preserve access and modification timestamps">;
def p : Flag<[ "-" ], "p">, Alias<preserve_dates>;
defm add_gnu_debuglink : Eq<"add-gnu-debuglink">,
MetaVarName<"debug-file">,
HelpText<"Add a .gnu_debuglink for <debug-file>">;
defm remove_section : Eq<"remove-section">,
MetaVarName<"section">,
HelpText<"Remove <section>">;
defm add_gnu_debuglink : Eq<"add-gnu-debuglink", "Add a .gnu_debuglink for <debug-file>">,
MetaVarName<"debug-file">;
defm remove_section : Eq<"remove-section", "Remove <section>">,
MetaVarName<"section">;
defm rename_section
: Eq<"rename-section">,
MetaVarName<"old=new[,flag1,...]">,
HelpText<
"Renames a section from old to new, optionally with specified flags. "
"Flags supported for GNU compatibility: alloc, load, noload, "
"readonly, debug, code, data, rom, share, contents, merge, strings.">;
defm redefine_symbol : Eq<"redefine-sym">,
MetaVarName<"old=new">,
HelpText<"Change the name of a symbol old to new">;
: Eq<"rename-section",
"Renames a section from old to new, optionally with specified flags. "
"Flags supported for GNU compatibility: alloc, load, noload, "
"readonly, debug, code, data, rom, share, contents, merge, strings.">,
MetaVarName<"old=new[,flag1,...]">;
defm redefine_symbol : Eq<"redefine-sym", "Change the name of a symbol old to new">,
MetaVarName<"old=new">;
def R : JoinedOrSeparate<["-"], "R">,
Alias<remove_section>;
defm keep : Eq<"keep">,
MetaVarName<"section">,
HelpText<"Keep <section>">;
defm only_keep : Eq<"only-keep">,
MetaVarName<"section">,
HelpText<"Remove all but <section>">;
defm keep : Eq<"keep", "Keep <section>">,
MetaVarName<"section">;
defm only_keep : Eq<"only-keep", "Remove all but <section>">,
MetaVarName<"section">;
def j : JoinedOrSeparate<["-"], "j">,
Alias<only_keep>;
defm add_section : Eq<"add-section">,
MetaVarName<"section=file">,
HelpText<"Make a section named <section> with the contents of <file>.">;
defm add_section
: Eq<"add-section",
"Make a section named <section> with the contents of <file>.">,
MetaVarName<"section=file">;
def strip_all : Flag<["-", "--"], "strip-all">,
HelpText<"Remove non-allocated sections other than .gnu.warning* sections">;
def S : Flag<["-"], "S">,
@ -87,38 +82,33 @@ def extract_dwo : Flag<["-", "--"], "extract-dwo">,
HelpText<"Remove all sections that are not DWARF .dwo sections from file">;
def localize_hidden : Flag<["-", "--"], "localize-hidden">,
HelpText<"Mark all symbols that have hidden or internal visibility as local">;
defm localize_symbol : Eq<"localize-symbol">,
MetaVarName<"symbol">,
HelpText<"Mark <symbol> as local">;
defm localize_symbol : Eq<"localize-symbol", "Mark <symbol> as local">,
MetaVarName<"symbol">;
def L : JoinedOrSeparate<["-"], "L">,
Alias<localize_symbol>;
defm globalize_symbol : Eq<"globalize-symbol">,
MetaVarName<"symbol">,
HelpText<"Mark <symbol> as global">;
defm globalize_symbol : Eq<"globalize-symbol", "Mark <symbol> as global">,
MetaVarName<"symbol">;
defm keep_global_symbol
: Eq<"keep-global-symbol">,
MetaVarName<"symbol">,
HelpText<"Convert all symbols except <symbol> to local. May be repeated "
"to convert all except a set of symbols to local.">;
: Eq<"keep-global-symbol", "Convert all symbols except <symbol> to local. May be repeated "
"to convert all except a set of symbols to local.">,
MetaVarName<"symbol">;
def G : JoinedOrSeparate<[ "-" ], "G">, Alias<keep_global_symbol>;
defm keep_global_symbols
: Eq<"keep-global-symbols">,
MetaVarName<"filename">,
HelpText<
"Reads a list of symbols from <filename> and runs as if "
"--keep-global-symbol=<symbol> is set for each one. <filename> "
"contains one symbol per line and may contain comments beginning "
"with '#'. Leading and trailing whitespace is stripped from each "
"line. May be repeated to read symbols from many files.">;
: Eq<"keep-global-symbols",
"Reads a list of symbols from <filename> and runs as if "
"--keep-global-symbol=<symbol> is set for each one. <filename> "
"contains one symbol per line and may contain comments beginning "
"with '#'. Leading and trailing whitespace is stripped from each "
"line. May be repeated to read symbols from many files.">,
MetaVarName<"filename">;
def version : Flag<[ "-", "--" ], "version">,
HelpText<"Print the version and exit.">;
defm weaken_symbol : Eq<"weaken-symbol">,
MetaVarName<"symbol">,
HelpText<"Mark <symbol> as weak">;
defm weaken_symbol : Eq<"weaken-symbol", "Mark <symbol> as weak">,
MetaVarName<"symbol">;
def W : JoinedOrSeparate<["-"], "W">,
Alias<weaken_symbol>;
def weaken : Flag<["-", "--"], "weaken">,
@ -127,14 +117,12 @@ def discard_all : Flag<["-", "--"], "discard-all">,
HelpText<"Remove all local symbols except file and section symbols">;
def x : Flag<["-"], "x">,
Alias<discard_all>;
defm strip_symbol : Eq<"strip-symbol">,
MetaVarName<"symbol">,
HelpText<"Remove symbol <symbol>">;
defm strip_symbol : Eq<"strip-symbol", "Remove symbol <symbol>">,
MetaVarName<"symbol">;
def N : JoinedOrSeparate<["-"], "N">,
Alias<strip_symbol>;
defm keep_symbol : Eq<"keep-symbol">,
MetaVarName<"symbol">,
HelpText<"Do not remove symbol <symbol>">;
defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
MetaVarName<"symbol">;
def K : JoinedOrSeparate<["-"], "K">,
Alias<keep_symbol>;
def only_keep_debug : Flag<["-", "--"], "only-keep-debug">,
@ -143,9 +131,7 @@ def strip_unneeded : Flag<["-", "--"], "strip-unneeded">,
HelpText<"Remove all symbols not needed by relocations">;
def keep_file_symbols : Flag<["-", "--"], "keep-file-symbols">,
HelpText<"Do not remove file symbols">;
defm dump_section : Eq<"dump-section">,
MetaVarName<"section=file">,
HelpText<"Dump contents of section named <section> into file <file>">;
defm prefix_symbols : Eq<"prefix-symbols">,
MetaVarName<"prefix">,
HelpText<"Add <prefix> to the start of every symbol name">;
defm dump_section : Eq<"dump-section", "Dump contents of section named <section> into file <file>">,
MetaVarName<"section=file">;
defm prefix_symbols : Eq<"prefix-symbols", "Add <prefix> to the start of every symbol name">,
MetaVarName<"prefix">;

View File

@ -1,15 +1,15 @@
include "llvm/Option/OptParser.td"
multiclass Eq<string name> {
multiclass Eq<string name, string help> {
def NAME: Separate<["--", "-"], name>;
def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>;
def NAME # _eq: Joined<["--", "-"], name # "=">, Alias<!cast<Separate>(NAME)>,
HelpText<help>;
}
def help : Flag<["-", "--"], "help">;
defm output : Eq<"o">,
MetaVarName<"output">,
HelpText<"Write output to <file>">;
defm output : Eq<"o", "Write output to <file>">,
MetaVarName<"output">;
def preserve_dates : Flag<[ "-", "--" ], "preserve-dates">,
HelpText<"Preserve access and modification timestamps">;
@ -34,16 +34,14 @@ def g : Flag<["-"], "g">,
def S : Flag<["-"], "S">,
Alias<strip_debug>;
defm remove_section : Eq<"remove-section">,
MetaVarName<"section">,
HelpText<"Remove <section>">;
defm remove_section : Eq<"remove-section", "Remove <section>">,
MetaVarName<"section">;
def R : JoinedOrSeparate<["-"], "R">,
Alias<remove_section>;
defm keep_symbol : Eq<"keep-symbol">,
MetaVarName<"symbol">,
HelpText<"Do not remove symbol <symbol>">;
defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
MetaVarName<"symbol">;
def K : JoinedOrSeparate<["-"], "K">,
Alias<keep_symbol>;