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[codeview] Add a CVTypeDumper::dump(ArrayRef<uint8_t>) overload

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This is a convenient wrapper when the type record is already laid out as
bytes in memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271309 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner 2016-05-31 18:15:23 +00:00
parent 3c5dd6e28a
commit cb4d52f619
3 changed files with 22 additions and 25 deletions
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8
include/llvm/DebugInfo/CodeView/TypeDumper.h
View File

@ -35,10 +35,16 @@ public:
/// type references.
bool dump(const CVRecord<TypeLeafKind> &Record);
/// Dumps the type records in Data. Returns false if there was a type stream
/// Dumps the type records in Types. Returns false if there was a type stream
/// parse error, and true otherwise.
bool dump(const CVTypeArray &Types);
/// Dumps the type records in Data. Returns false if there was a type stream
/// parse error, and true otherwise. Use this method instead of the
/// CVTypeArray overload when type records are laid out contiguously in
/// memory.
bool dump(ArrayRef<uint8_t> Data);
/// Gets the type index for the next type record.
unsigned getNextTypeIndex() const {
return 0x1000 + CVUDTNames.size();

13
lib/DebugInfo/CodeView/TypeDumper.cpp
View File

@ -12,6 +12,7 @@
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/ByteStream.h"
#include "llvm/Support/ScopedPrinter.h"
using namespace llvm;
@ -690,6 +691,18 @@ bool CVTypeDumper::dump(const CVTypeArray &Types) {
return !Dumper.hadError();
}
bool CVTypeDumper::dump(ArrayRef<uint8_t> Data) {
ByteStream Stream(Data);
CVTypeArray Types;
StreamReader Reader(Stream);
if (auto EC = Reader.readArray(Types, Reader.getLength())) {
consumeError(std::move(EC));
return false;
}
return dump(Types);
}
void CVTypeDumper::setPrinter(ScopedPrinter *P) {
static ScopedPrinter NullP(llvm::nulls());
W = P ? P : &NullP;

26
tools/llvm-readobj/COFFDumper.cpp
View File

@ -1052,18 +1052,7 @@ void COFFDumper::printCodeViewTypeSection(StringRef SectionName,
if (Magic != COFF::DEBUG_SECTION_MAGIC)
return error(object_error::parse_failed);
ArrayRef<uint8_t> BinaryData(reinterpret_cast<const uint8_t *>(Data.data()),
Data.size());
ByteStream Stream(BinaryData);
CVTypeArray Types;
StreamReader Reader(Stream);
if (auto EC = Reader.readArray(Types, Reader.getLength())) {
consumeError(std::move(EC));
W.flush();
error(object_error::parse_failed);
}
if (!CVTD.dump(Types)) {
if (!CVTD.dump({Data.bytes_begin(), Data.bytes_end()})) {
W.flush();
error(object_error::parse_failed);
}
@ -1513,18 +1502,7 @@ void llvm::dumpCodeViewMergedTypes(
Buf.append(R->data(), R->data() + R->size());
});
CVTypeDumper CVTD(Writer, opts::CodeViewSubsectionBytes);
ArrayRef<uint8_t> BinaryData(reinterpret_cast<const uint8_t *>(Buf.data()),
Buf.size());
ByteStream Stream(BinaryData);
CVTypeArray Types;
StreamReader Reader(Stream);
if (auto EC = Reader.readArray(Types, Reader.getLength())) {
consumeError(std::move(EC));
Writer.flush();
error(object_error::parse_failed);
}
if (!CVTD.dump(Types)) {
if (!CVTD.dump({Buf.str().bytes_begin(), Buf.str().bytes_end()})) {
Writer.flush();
error(object_error::parse_failed);
}