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| author | Paul Semel <semelpaul@gmail.com> | 2018-06-07 10:05:25 +0000 |
|---|---|---|
| committer | Paul Semel <semelpaul@gmail.com> | 2018-06-07 10:05:25 +0000 |
| commit | e57bc783240cccfd19cef244294e7a0c87c46831 (patch) | |
| tree | 83bd4ef19c912d65ca4e6bb47972be04cae814ad | |
| parent | e1d18758eb71bc8b17dbd95acccb61934095ef63 (diff) | |
| download | bcm5719-llvm-e57bc783240cccfd19cef244294e7a0c87c46831.tar.gz bcm5719-llvm-e57bc783240cccfd19cef244294e7a0c87c46831.zip | |
[llvm-strip] Expose --strip-unneeded option
Differential Revision: https://reviews.llvm.org/D47818
llvm-svn: 334182
| -rw-r--r-- | llvm/test/tools/llvm-objcopy/strip-unneeded.test | 7 | ||||
| -rw-r--r-- | llvm/tools/llvm-objcopy/StripOpts.td | 3 | ||||
| -rw-r--r-- | llvm/tools/llvm-objcopy/llvm-objcopy.cpp | 6 |
3 files changed, 13 insertions, 3 deletions
diff --git a/llvm/test/tools/llvm-objcopy/strip-unneeded.test b/llvm/test/tools/llvm-objcopy/strip-unneeded.test index 448bc533038..8f96035e095 100644 --- a/llvm/test/tools/llvm-objcopy/strip-unneeded.test +++ b/llvm/test/tools/llvm-objcopy/strip-unneeded.test @@ -1,7 +1,14 @@ # RUN: yaml2obj %s > %t +# RUN: cp %t %t1 # RUN: llvm-objcopy --strip-unneeded %t %t2 +# Verify that llvm-objcopy has not modified the input. +# RUN: cmp %t %t1 # RUN: llvm-readobj -symbols %t2 | FileCheck %s +# Verify that llvm-strip modifies the symbol table the same way. +# RUN: llvm-strip --strip-unneeded %t +# RUN: cmp %t %t2 + !ELF FileHeader: Class: ELFCLASS64 diff --git a/llvm/tools/llvm-objcopy/StripOpts.td b/llvm/tools/llvm-objcopy/StripOpts.td index 27fdfee8f5b..5825f23297c 100644 --- a/llvm/tools/llvm-objcopy/StripOpts.td +++ b/llvm/tools/llvm-objcopy/StripOpts.td @@ -41,3 +41,6 @@ def discard_all : Flag<["-", "--"], "discard-all">, HelpText<"Remove all local symbols except file and section symbols">; def x : Flag<["-"], "x">, Alias<discard_all>; + +def strip_unneeded : Flag<["-", "--"], "strip-unneeded">, + HelpText<"Remove all symbols not needed by relocations">; diff --git a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp index 46769838aba..bf58f342ee4 100644 --- a/llvm/tools/llvm-objcopy/llvm-objcopy.cpp +++ b/llvm/tools/llvm-objcopy/llvm-objcopy.cpp @@ -583,12 +583,12 @@ CopyConfig ParseStripOptions(ArrayRef<const char *> ArgsArr) { Config.OutputFilename = InputArgs.getLastArgValue(STRIP_output, Positional[0]); - // Strip debug info only. Config.StripDebug = InputArgs.hasArg(STRIP_strip_debug); Config.DiscardAll = InputArgs.hasArg(STRIP_discard_all); - - if (!Config.StripDebug && !Config.DiscardAll) + Config.StripUnneeded = InputArgs.hasArg(STRIP_strip_unneeded); + + if (!Config.StripDebug && !Config.StripUnneeded && !Config.DiscardAll) Config.StripAll = true; for (auto Arg : InputArgs.filtered(STRIP_remove_section)) |
