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Pass a unique_ptr<MemoryBuffer> to the constructors in the Binary hierarchy.

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Once the objects are constructed, they own the buffer. Passing a unique_ptr
makes that clear.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211595 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-06-24 13:56:32 +00:00
parent d3aaad2d26
commit 0d50598d71
21 changed files with 104 additions and 88 deletions
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36
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
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@@ -55,9 +55,9 @@ template <class ELFT> class DyldELFObject : public ELFObjectFile<ELFT> {
public:
DyldELFObject(std::unique_ptr<ObjectFile> UnderlyingFile,
MemoryBuffer *Wrapper, std::error_code &ec);
std::unique_ptr<MemoryBuffer> Wrapper, std::error_code &ec);
DyldELFObject(MemoryBuffer *Wrapper, std::error_code &ec);
DyldELFObject(std::unique_ptr<MemoryBuffer> Wrapper, std::error_code &ec);
void updateSectionAddress(const SectionRef &Sec, uint64_t Addr);
void updateSymbolAddress(const SymbolRef &Sym, uint64_t Addr);
@@ -109,15 +109,17 @@ public:
// actual memory. Ultimately, the Binary parent class will take ownership of
// this MemoryBuffer object but not the underlying memory.
template <class ELFT>
DyldELFObject<ELFT>::DyldELFObject(MemoryBuffer *Wrapper, std::error_code &ec)
: ELFObjectFile<ELFT>(Wrapper, ec) {
DyldELFObject<ELFT>::DyldELFObject(std::unique_ptr<MemoryBuffer> Wrapper,
std::error_code &EC)
: ELFObjectFile<ELFT>(std::move(Wrapper), EC) {
this->isDyldELFObject = true;
}
template <class ELFT>
DyldELFObject<ELFT>::DyldELFObject(std::unique_ptr<ObjectFile> UnderlyingFile,
MemoryBuffer *Wrapper, std::error_code &ec)
: ELFObjectFile<ELFT>(Wrapper, ec),
std::unique_ptr<MemoryBuffer> Wrapper,
std::error_code &EC)
: ELFObjectFile<ELFT>(std::move(Wrapper), EC),
UnderlyingFile(std::move(UnderlyingFile)) {
this->isDyldELFObject = true;
}
@@ -183,29 +185,29 @@ RuntimeDyldELF::createObjectImageFromFile(std::unique_ptr<object::ObjectFile> Ob
return nullptr;
std::error_code ec;
MemoryBuffer *Buffer =
MemoryBuffer::getMemBuffer(ObjFile->getData(), "", false);
std::unique_ptr<MemoryBuffer> Buffer(
MemoryBuffer::getMemBuffer(ObjFile->getData(), "", false));
if (ObjFile->getBytesInAddress() == 4 && ObjFile->isLittleEndian()) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::little, 2, false>>>(
std::move(ObjFile), Buffer, ec);
std::move(ObjFile), std::move(Buffer), ec);
return new ELFObjectImage<ELFType<support::little, 2, false>>(
nullptr, std::move(Obj));
} else if (ObjFile->getBytesInAddress() == 4 && !ObjFile->isLittleEndian()) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::big, 2, false>>>(
std::move(ObjFile), Buffer, ec);
std::move(ObjFile), std::move(Buffer), ec);
return new ELFObjectImage<ELFType<support::big, 2, false>>(nullptr, std::move(Obj));
} else if (ObjFile->getBytesInAddress() == 8 && !ObjFile->isLittleEndian()) {
auto Obj = llvm::make_unique<DyldELFObject<ELFType<support::big, 2, true>>>(
std::move(ObjFile), Buffer, ec);
std::move(ObjFile), std::move(Buffer), ec);
return new ELFObjectImage<ELFType<support::big, 2, true>>(nullptr,
std::move(Obj));
} else if (ObjFile->getBytesInAddress() == 8 && ObjFile->isLittleEndian()) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::little, 2, true>>>(
std::move(ObjFile), Buffer, ec);
std::move(ObjFile), std::move(Buffer), ec);
return new ELFObjectImage<ELFType<support::little, 2, true>>(
nullptr, std::move(Obj));
} else
@@ -220,29 +222,31 @@ ObjectImage *RuntimeDyldELF::createObjectImage(ObjectBuffer *Buffer) {
(uint8_t)Buffer->getBufferStart()[ELF::EI_DATA]);
std::error_code ec;
std::unique_ptr<MemoryBuffer> Buf(Buffer->getMemBuffer());
if (Ident.first == ELF::ELFCLASS32 && Ident.second == ELF::ELFDATA2LSB) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::little, 4, false>>>(
Buffer->getMemBuffer(), ec);
std::move(Buf), ec);
return new ELFObjectImage<ELFType<support::little, 4, false>>(
Buffer, std::move(Obj));
} else if (Ident.first == ELF::ELFCLASS32 &&
Ident.second == ELF::ELFDATA2MSB) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::big, 4, false>>>(
Buffer->getMemBuffer(), ec);
std::move(Buf), ec);
return new ELFObjectImage<ELFType<support::big, 4, false>>(Buffer,
std::move(Obj));
} else if (Ident.first == ELF::ELFCLASS64 &&
Ident.second == ELF::ELFDATA2MSB) {
auto Obj = llvm::make_unique<DyldELFObject<ELFType<support::big, 8, true>>>(
Buffer->getMemBuffer(), ec);
std::move(Buf), ec);
return new ELFObjectImage<ELFType<support::big, 8, true>>(Buffer, std::move(Obj));
} else if (Ident.first == ELF::ELFCLASS64 &&
Ident.second == ELF::ELFDATA2LSB) {
auto Obj =
llvm::make_unique<DyldELFObject<ELFType<support::little, 8, true>>>(
Buffer->getMemBuffer(), ec);
std::move(Buf), ec);
return new ELFObjectImage<ELFType<support::little, 8, true>>(Buffer, std::move(Obj));
} else
llvm_unreachable("Unexpected ELF format");