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Revert "[llvm-objcopy] Fix --section-add when section contain empty bytes" 

This reverts commit 0041382198.

The test added is failing on Windows:
  - https://lab.llvm.org/buildbot/#/builders/216/builds/13762
  - https://lab.llvm.org/buildbot/#/builders/123/builds/14447
This commit is contained in:
Douglas Yung 2022-12-02 22:40:32 -08:00
parent b6a01caa64
commit 34b8daf4a8
2 changed files with 2 additions and 15 deletions
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6
llvm/lib/ObjCopy/wasm/WasmObjcopy.cpp
View File

@ -126,11 +126,9 @@ static Error handleArgs(const CommonConfig &Config, Object &Obj) {
Sec.SectionType = llvm::wasm::WASM_SEC_CUSTOM; Sec.SectionType = llvm::wasm::WASM_SEC_CUSTOM;
Sec.Name = NewSection.SectionName; Sec.Name = NewSection.SectionName;
llvm::StringRef InputData =
llvm::StringRef(NewSection.SectionData->getBufferStart(),
NewSection.SectionData->getBufferSize());
std::unique_ptr<MemoryBuffer> BufferCopy = MemoryBuffer::getMemBufferCopy( std::unique_ptr<MemoryBuffer> BufferCopy = MemoryBuffer::getMemBufferCopy(
InputData, NewSection.SectionData->getBufferIdentifier()); NewSection.SectionData->getBufferStart(),
NewSection.SectionData->getBufferIdentifier());
Sec.Contents = makeArrayRef<uint8_t>( Sec.Contents = makeArrayRef<uint8_t>(
reinterpret_cast<const uint8_t *>(BufferCopy->getBufferStart()), reinterpret_cast<const uint8_t *>(BufferCopy->getBufferStart()),
BufferCopy->getBufferSize()); BufferCopy->getBufferSize());

11
llvm/test/tools/llvm-objcopy/wasm/add-section.test
View File

@ -20,17 +20,6 @@
# REPLACE: Name: foo # REPLACE: Name: foo
# REPLACE: Payload: 3132330A # REPLACE: Payload: 3132330A
# Check that raw data bytes can be imported and exported unchanged especially the ones containing empty bytes.
# RUN: echo -en '\x02\x01\x00\x01\x02' > %t6
# RUN: llvm-objcopy --add-section=bar=%t6 %t %t7
# RUN: llvm-objcopy --dump-section=bar=%t8 %t7
# RUN: diff %t8 %t6
# RUN: obj2yaml %t7 | FileCheck %s --check-prefix=RAW-DATA
# Check that raw data is well formated in the file as well.
# RAW-DATA: Name: bar
# RAW-DATA-NEXT: Payload: '0201000102'
--- !WASM --- !WASM
FileHeader: FileHeader:
Version: 0x00000001 Version: 0x00000001