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[llvm-strip] Add --strip-symbol

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Differential revision: https://reviews.llvm.org/D57440

llvm-svn: 352746
This commit is contained in:
Eugene Leviant 2019-01-31 12:16:20 +00:00
parent 8d677e1ebc
commit b104a0f956
3 changed files with 13 additions and 4 deletions
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2
test/tools/llvm-objcopy/ELF/strip-symbol.test
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@ -1,6 +1,8 @@
# RUN: yaml2obj %s > %t
# RUN: llvm-objcopy --strip-symbol baz -N bar %t %t2
# RUN: llvm-readobj --symbols --sections %t2 | FileCheck %s
# RUN: llvm-strip --strip-symbol baz -N bar %t -o %t3
# RUN: llvm-readobj --symbols --sections %t3 | FileCheck %s
!ELF
FileHeader:

11
tools/llvm-objcopy/CopyConfig.cpp
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@ -480,19 +480,22 @@ DriverConfig parseStripOptions(ArrayRef<const char *> ArgsArr) {
Config.StripAll = InputArgs.hasArg(STRIP_strip_all);
Config.StripAllGNU = InputArgs.hasArg(STRIP_strip_all_gnu);
if (!Config.StripDebug && !Config.StripUnneeded &&
Config.DiscardMode == DiscardType::None && !Config.StripAllGNU)
Config.StripAll = true;
for (auto Arg : InputArgs.filtered(STRIP_keep_section))
Config.KeepSection.push_back(Arg->getValue());
for (auto Arg : InputArgs.filtered(STRIP_remove_section))
Config.ToRemove.push_back(Arg->getValue());
for (auto Arg : InputArgs.filtered(STRIP_strip_symbol))
Config.SymbolsToRemove.push_back(Arg->getValue());
for (auto Arg : InputArgs.filtered(STRIP_keep_symbol))
Config.SymbolsToKeep.push_back(Arg->getValue());
if (!Config.StripDebug && !Config.StripUnneeded &&
Config.DiscardMode == DiscardType::None && !Config.StripAllGNU && Config.SymbolsToRemove.empty())
Config.StripAll = true;
Config.DeterministicArchives =
InputArgs.hasFlag(STRIP_enable_deterministic_archives,
STRIP_disable_deterministic_archives, /*default=*/true);

4
tools/llvm-objcopy/StripOpts.td
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@ -51,6 +51,10 @@ defm remove_section : Eq<"remove-section", "Remove <section>">,
MetaVarName<"section">;
def R : JoinedOrSeparate<["-"], "R">, Alias<remove_section>;
defm strip_symbol : Eq<"strip-symbol", "Strip <symbol>">,
MetaVarName<"symbol">;
def N : JoinedOrSeparate<["-"], "N">, Alias<strip_symbol>;
defm keep_section : Eq<"keep-section", "Keep <section>">,
MetaVarName<"section">;
defm keep_symbol : Eq<"keep-symbol", "Do not remove symbol <symbol>">,