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[llvm-strip] Support --keep and --strip-all-gnu from llvm-objcopy 

Summary: Add --keep and --strip-all-gnu from llvm-objcopy into llvm-strip.

Reviewers: jakehehrlich, jhenderson, alexshap

Reviewed By: jhenderson, alexshap

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D53954

llvm-svn: 345861
This commit is contained in:
Jordan Rupprecht 2018-11-01 17:48:46 +00:00
parent 49996c1d99
commit 30d1b19b0b
5 changed files with 17 additions and 3 deletions
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2
llvm/test/tools/llvm-objcopy/basic-keep.test
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@ -1,6 +1,8 @@
# RUN: yaml2obj %s > %t
# RUN: llvm-objcopy -strip-non-alloc -keep=.test %t %t2
# RUN: llvm-strip --strip-all -keep=.test %t -o %t3
# RUN: llvm-readobj -file-headers -sections %t2 | FileCheck %s
# RUN: cmp %t2 %t3
!ELF
FileHeader:

2
llvm/test/tools/llvm-objcopy/strip-all-gnu.test
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@ -1,7 +1,9 @@
# RUN: yaml2obj %s > %t
# RUN: cp %t %t1
# RUN: llvm-objcopy --strip-all-gnu %t %t2
# RUN: llvm-strip --strip-all-gnu %t -o %t3
# RUN: llvm-readobj -file-headers -sections %t2 | FileCheck %s
# RUN: cmp %t2 %t3
!ELF
FileHeader:

7
llvm/tools/llvm-objcopy/CopyConfig.cpp
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@ -405,10 +405,15 @@ DriverConfig parseStripOptions(ArrayRef<const char *> ArgsArr) {
Config.DiscardAll = InputArgs.hasArg(STRIP_discard_all);
Config.StripUnneeded = InputArgs.hasArg(STRIP_strip_unneeded);
Config.StripAll = InputArgs.hasArg(STRIP_strip_all);
Config.StripAllGNU = InputArgs.hasArg(STRIP_strip_all_gnu);
if (!Config.StripDebug && !Config.StripUnneeded && !Config.DiscardAll)
if (!Config.StripDebug && !Config.StripUnneeded && !Config.DiscardAll &&
!Config.StripAllGNU)
Config.StripAll = true;
for (auto Arg : InputArgs.filtered(STRIP_keep))
Config.Keep.push_back(Arg->getValue());
for (auto Arg : InputArgs.filtered(STRIP_remove_section))
Config.ToRemove.push_back(Arg->getValue());

4
llvm/tools/llvm-objcopy/ObjcopyOpts.td
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@ -85,7 +85,7 @@ def strip_all : Flag<["-", "--"], "strip-all">,
def S : Flag<["-"], "S">,
Alias<strip_all>;
def strip_all_gnu : Flag<["-", "--"], "strip-all-gnu">,
HelpText<"Compaitable with GNU objcopy's --strip-all">;
HelpText<"Compatible with GNU objcopy's --strip-all">;
def strip_debug : Flag<["-", "--"], "strip-debug">,
HelpText<"Remove all debug information">;
def strip_dwo : Flag<["-", "--"], "strip-dwo">,
@ -142,7 +142,7 @@ defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
def K : JoinedOrSeparate<["-"], "K">,
Alias<keep_symbol>;
def only_keep_debug : Flag<["-", "--"], "only-keep-debug">,
HelpText<"Currently ignored. Only for compaitability with GNU objcopy.">;
HelpText<"Currently ignored. Only for compatibility with GNU objcopy.">;
def strip_unneeded : Flag<["-", "--"], "strip-unneeded">,
HelpText<"Remove all symbols not needed by relocations">;
def keep_file_symbols : Flag<["-", "--"], "keep-file-symbols">,

5
llvm/tools/llvm-objcopy/StripOpts.td
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@ -38,6 +38,9 @@ def strip_all : Flag<["-", "--"], "strip-all">,
def s : Flag<["-"], "s">,
Alias<strip_all>;
def strip_all_gnu : Flag<["-", "--"], "strip-all-gnu">,
HelpText<"Compatible with GNU strip's --strip-all">;
def strip_debug : Flag<["-", "--"], "strip-debug">,
HelpText<"Remove debugging symbols only">;
@ -56,6 +59,8 @@ defm remove_section : Eq<"remove-section", "Remove <section>">,
def R : JoinedOrSeparate<["-"], "R">,
Alias<remove_section>;
defm keep : Eq<"keep", "Keep <section>">, MetaVarName<"section">;
defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,
MetaVarName<"symbol">;