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authorBenjamin Kramer <benny.kra@googlemail.com>2010-04-19 16:15:31 +0000
committerBenjamin Kramer <benny.kra@googlemail.com>2010-04-19 16:15:31 +0000
commit9d44e702725a534c8e80edce52c7e71f71f37c06 (patch)
tree45d25ae2ef771d9801de0119b21b8cda349bd17d /lib
parent985744ecc606211cb165e231a24a27b7e7835494 (diff)
Don't write into MemoryBuffers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101783 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Archive/Archive.cpp5
-rw-r--r--lib/Archive/ArchiveInternals.h2
-rw-r--r--lib/Archive/ArchiveReader.cpp21
-rw-r--r--lib/Archive/ArchiveWriter.cpp3
4 files changed, 13 insertions, 18 deletions
diff --git a/lib/Archive/Archive.cpp b/lib/Archive/Archive.cpp
index 4f100f7b11e..54c715c604d 100644
--- a/lib/Archive/Archive.cpp
+++ b/lib/Archive/Archive.cpp
@@ -233,15 +233,14 @@ bool llvm::GetBitcodeSymbols(const sys::Path& fName,
}
Module*
-llvm::GetBitcodeSymbols(const unsigned char *BufPtr, unsigned Length,
+llvm::GetBitcodeSymbols(const char *BufPtr, unsigned Length,
const std::string& ModuleID,
LLVMContext& Context,
std::vector<std::string>& symbols,
std::string* ErrMsg) {
// Get the module.
std::auto_ptr<MemoryBuffer> Buffer(
- MemoryBuffer::getNewMemBuffer(Length, ModuleID.c_str()));
- memcpy(const_cast<char *>(Buffer->getBufferStart()), BufPtr, Length);
+ MemoryBuffer::getMemBufferCopy(StringRef(BufPtr, Length),ModuleID.c_str()));
Module *M = ParseBitcodeFile(Buffer.get(), Context, ErrMsg);
if (!M)
diff --git a/lib/Archive/ArchiveInternals.h b/lib/Archive/ArchiveInternals.h
index baea544d20b..08f20e74811 100644
--- a/lib/Archive/ArchiveInternals.h
+++ b/lib/Archive/ArchiveInternals.h
@@ -77,7 +77,7 @@ namespace llvm {
std::vector<std::string>& symbols,
std::string* ErrMsg);
- Module* GetBitcodeSymbols(const unsigned char*Buffer,unsigned Length,
+ Module* GetBitcodeSymbols(const char *Buffer, unsigned Length,
const std::string& ModuleID,
LLVMContext& Context,
std::vector<std::string>& symbols,
diff --git a/lib/Archive/ArchiveReader.cpp b/lib/Archive/ArchiveReader.cpp
index cbd0bb3975e..05d32de0087 100644
--- a/lib/Archive/ArchiveReader.cpp
+++ b/lib/Archive/ArchiveReader.cpp
@@ -348,9 +348,8 @@ Archive::getAllModules(std::vector<Module*>& Modules,
std::string FullMemberName = archPath.str() +
"(" + I->getPath().str() + ")";
MemoryBuffer *Buffer =
- MemoryBuffer::getNewMemBuffer(I->getSize(), FullMemberName.c_str());
- memcpy(const_cast<char *>(Buffer->getBufferStart()),
- I->getData(), I->getSize());
+ MemoryBuffer::getMemBufferCopy(StringRef(I->getData(), I->getSize()),
+ FullMemberName.c_str());
Module *M = ParseBitcodeFile(Buffer, Context, ErrMessage);
delete Buffer;
@@ -488,10 +487,9 @@ Archive::findModuleDefiningSymbol(const std::string& symbol,
// Now, load the bitcode module to get the Module.
std::string FullMemberName = archPath.str() + "(" +
mbr->getPath().str() + ")";
- MemoryBuffer *Buffer =MemoryBuffer::getNewMemBuffer(mbr->getSize(),
- FullMemberName.c_str());
- memcpy(const_cast<char *>(Buffer->getBufferStart()),
- mbr->getData(), mbr->getSize());
+ MemoryBuffer *Buffer =
+ MemoryBuffer::getMemBufferCopy(StringRef(mbr->getData(), mbr->getSize()),
+ FullMemberName.c_str());
Module *m = getLazyBitcodeModule(Buffer, Context, ErrMsg);
if (!m)
@@ -540,8 +538,8 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
std::string FullMemberName = archPath.str() + "(" +
mbr->getPath().str() + ")";
Module* M =
- GetBitcodeSymbols((const unsigned char*)At, mbr->getSize(),
- FullMemberName, Context, symbols, error);
+ GetBitcodeSymbols(At, mbr->getSize(), FullMemberName, Context,
+ symbols, error);
if (M) {
// Insert the module's symbols into the symbol table
@@ -618,9 +616,8 @@ bool Archive::isBitcodeArchive() {
archPath.str() + "(" + I->getPath().str() + ")";
MemoryBuffer *Buffer =
- MemoryBuffer::getNewMemBuffer(I->getSize(), FullMemberName.c_str());
- memcpy(const_cast<char *>(Buffer->getBufferStart()),
- I->getData(), I->getSize());
+ MemoryBuffer::getMemBufferCopy(StringRef(I->getData(), I->getSize()),
+ FullMemberName.c_str());
Module *M = ParseBitcodeFile(Buffer, Context);
delete Buffer;
if (!M)
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index a02601a4aad..21d4f6566c5 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -226,8 +226,7 @@ Archive::writeMember(
std::string FullMemberName = archPath.str() + "(" + member.getPath().str()
+ ")";
Module* M =
- GetBitcodeSymbols((const unsigned char*)data,fSize,
- FullMemberName, Context, symbols, ErrMsg);
+ GetBitcodeSymbols(data, fSize, FullMemberName, Context, symbols, ErrMsg);
// If the bitcode parsed successfully
if ( M ) {