Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/llvm/Object/Minidump.h b/linux-x64/clang/include/llvm/Object/Minidump.h
index 470008d..4429493 100644
--- a/linux-x64/clang/include/llvm/Object/Minidump.h
+++ b/linux-x64/clang/include/llvm/Object/Minidump.h
@@ -11,6 +11,7 @@
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/iterator.h"
#include "llvm/BinaryFormat/Minidump.h"
#include "llvm/Object/Binary.h"
#include "llvm/Support/Error.h"
@@ -80,16 +81,65 @@
return getListStream<minidump::Thread>(minidump::StreamType::ThreadList);
}
- /// Returns the list of memory ranges embedded in the MemoryList stream. An
- /// error is returned if the file does not contain this stream, or if the
- /// stream is not large enough to contain the number of memory descriptors
- /// declared in the stream header. The consistency of the MemoryDescriptor
- /// entries themselves is not checked in any way.
+ /// Returns the contents of the Exception stream. An error is returned if the
+ /// file does not contain this stream, or the stream is smaller than the size
+ /// of the ExceptionStream structure. The internal consistency of the stream
+ /// is not checked in any way.
+ Expected<const minidump::ExceptionStream &> getExceptionStream() const {
+ return getStream<minidump::ExceptionStream>(
+ minidump::StreamType::Exception);
+ }
+
+ /// Returns the list of descriptors embedded in the MemoryList stream. The
+ /// descriptors provide the content of interesting regions of memory at the
+ /// time the minidump was taken. An error is returned if the file does not
+ /// contain this stream, or if the stream is not large enough to contain the
+ /// number of memory descriptors declared in the stream header. The
+ /// consistency of the MemoryDescriptor entries themselves is not checked in
+ /// any way.
Expected<ArrayRef<minidump::MemoryDescriptor>> getMemoryList() const {
return getListStream<minidump::MemoryDescriptor>(
minidump::StreamType::MemoryList);
}
+ class MemoryInfoIterator
+ : public iterator_facade_base<MemoryInfoIterator,
+ std::forward_iterator_tag,
+ minidump::MemoryInfo> {
+ public:
+ MemoryInfoIterator(ArrayRef<uint8_t> Storage, size_t Stride)
+ : Storage(Storage), Stride(Stride) {
+ assert(Storage.size() % Stride == 0);
+ }
+
+ bool operator==(const MemoryInfoIterator &R) const {
+ return Storage.size() == R.Storage.size();
+ }
+
+ const minidump::MemoryInfo &operator*() const {
+ assert(Storage.size() >= sizeof(minidump::MemoryInfo));
+ return *reinterpret_cast<const minidump::MemoryInfo *>(Storage.data());
+ }
+
+ MemoryInfoIterator &operator++() {
+ Storage = Storage.drop_front(Stride);
+ return *this;
+ }
+
+ private:
+ ArrayRef<uint8_t> Storage;
+ size_t Stride;
+ };
+
+ /// Returns the list of descriptors embedded in the MemoryInfoList stream. The
+ /// descriptors provide properties (e.g. permissions) of interesting regions
+ /// of memory at the time the minidump was taken. An error is returned if the
+ /// file does not contain this stream, or if the stream is not large enough to
+ /// contain the number of memory descriptors declared in the stream header.
+ /// The consistency of the MemoryInfoList entries themselves is not checked
+ /// in any way.
+ Expected<iterator_range<MemoryInfoIterator>> getMemoryInfoList() const;
+
private:
static Error createError(StringRef Str) {
return make_error<GenericBinaryError>(Str, object_error::parse_failed);
@@ -137,10 +187,10 @@
};
template <typename T>
-Expected<const T &> MinidumpFile::getStream(minidump::StreamType Stream) const {
- if (auto OptionalStream = getRawStream(Stream)) {
- if (OptionalStream->size() >= sizeof(T))
- return *reinterpret_cast<const T *>(OptionalStream->data());
+Expected<const T &> MinidumpFile::getStream(minidump::StreamType Type) const {
+ if (Optional<ArrayRef<uint8_t>> Stream = getRawStream(Type)) {
+ if (Stream->size() >= sizeof(T))
+ return *reinterpret_cast<const T *>(Stream->data());
return createEOFError();
}
return createError("No such stream");
@@ -153,10 +203,11 @@
// Check for overflow.
if (Count > std::numeric_limits<size_t>::max() / sizeof(T))
return createEOFError();
- auto ExpectedArray = getDataSlice(Data, Offset, sizeof(T) * Count);
- if (!ExpectedArray)
- return ExpectedArray.takeError();
- return ArrayRef<T>(reinterpret_cast<const T *>(ExpectedArray->data()), Count);
+ Expected<ArrayRef<uint8_t>> Slice =
+ getDataSlice(Data, Offset, sizeof(T) * Count);
+ if (!Slice)
+ return Slice.takeError();
+ return ArrayRef<T>(reinterpret_cast<const T *>(Slice->data()), Count);
}
} // end namespace object