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[llvm-readelf/llvm-readobj] Remove one-dash long options

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llvm-readelf is a user-facing tool which emulates GNU readelf. Remove one-dash
long options which are not recognized by GNU style `getopt_long`. This ensures
long options cannot collide with grouped short options.

Note: the documentation (D63719)/help messages have recommended the double-dash
forms since LLVM 9.0.0.
llvm-readobj is intended as an internal tool which has some flexibility.
llvm-readelf/llvm-readobj use the same option parsing code and llvm-readobj's
one-dash long options aren't used after test migration.

Differential Revision: https://reviews.llvm.org/D106037
This commit is contained in:
Fangrui Song 2021-07-16 12:03:08 -07:00
parent 063dea2af2
commit 25daa6d670
1 changed files with 5 additions and 6 deletions
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11
tools/llvm-readobj/Opts.td
View File

@ -1,17 +1,16 @@
include "llvm/Option/OptParser.td"
class F<string letter, string help> : Flag<["-"], letter>, HelpText<help>;
class FF<string name, string help> : Flag<["--", "-"], name>, HelpText<help>;
class FF<string name, string help> : Flag<["--"], name>, HelpText<help>;
multiclass BB<string name, string help1, string help2> {
def NAME: Flag<["--", "-"], name>, HelpText<help1>;
def no_ # NAME: Flag<["--", "-"], "no-" # name>, HelpText<help2>;
def NAME: Flag<["--"], name>, HelpText<help1>;
def no_ # NAME: Flag<["--"], "no-" # name>, HelpText<help2>;
}
multiclass Eq<string name, string help> {
def NAME #_EQ : Joined<["--", "-"], name #"=">,
HelpText<help>;
def : Separate<["--", "-"], name>, Alias<!cast<Joined>(NAME #_EQ)>;
def NAME #_EQ : Joined<["--"], name #"=">, HelpText<help>;
def : Separate<["--"], name>, Alias<!cast<Joined>(NAME #_EQ)>;
}
def addrsig : FF<"addrsig", "Display address-significance table">;