//===----------------------------------------------------------------------===//
#include "llvm/Support/StreamableMemoryObject.h"
+#include "llvm/Support/Compiler.h"
#include <cassert>
#include <cstring>
public:
RawMemoryObject(const unsigned char *Start, const unsigned char *End) :
FirstChar(Start), LastChar(End) {
- assert(LastChar > FirstChar && "Invalid start/end range");
+ assert(LastChar >= FirstChar && "Invalid start/end range");
}
- virtual uint64_t getBase() const { return 0; }
- virtual uint64_t getExtent() { return LastChar - FirstChar; }
- virtual int readByte(uint64_t address, uint8_t* ptr);
+ virtual uint64_t getBase() const LLVM_OVERRIDE { return 0; }
+ virtual uint64_t getExtent() const LLVM_OVERRIDE {
+ return LastChar - FirstChar;
+ }
+ virtual int readByte(uint64_t address, uint8_t* ptr) const LLVM_OVERRIDE;
virtual int readBytes(uint64_t address,
uint64_t size,
- uint8_t* buf,
- uint64_t* copied);
- virtual const uint8_t *getPointer(uint64_t address, uint64_t size);
- virtual bool isValidAddress(uint64_t address) {return validAddress(address);}
- virtual bool isObjectEnd(uint64_t address) {return objectEnd(address);}
+ uint8_t *buf) const LLVM_OVERRIDE;
+ virtual const uint8_t *getPointer(uint64_t address,
+ uint64_t size) const LLVM_OVERRIDE;
+ virtual bool isValidAddress(uint64_t address) const LLVM_OVERRIDE {
+ return validAddress(address);
+ }
+ virtual bool isObjectEnd(uint64_t address) const LLVM_OVERRIDE {
+ return objectEnd(address);
+ }
private:
const uint8_t* const FirstChar;
// These are implemented as inline functions here to avoid multiple virtual
// calls per public function
- bool validAddress(uint64_t address) {
+ bool validAddress(uint64_t address) const {
return static_cast<ptrdiff_t>(address) < LastChar - FirstChar;
}
- bool objectEnd(uint64_t address) {
+ bool objectEnd(uint64_t address) const {
return static_cast<ptrdiff_t>(address) == LastChar - FirstChar;
}
- RawMemoryObject(const RawMemoryObject&); // DO NOT IMPLEMENT
- void operator=(const RawMemoryObject&); // DO NOT IMPLEMENT
+ RawMemoryObject(const RawMemoryObject&) LLVM_DELETED_FUNCTION;
+ void operator=(const RawMemoryObject&) LLVM_DELETED_FUNCTION;
};
-int RawMemoryObject::readByte(uint64_t address, uint8_t* ptr) {
+int RawMemoryObject::readByte(uint64_t address, uint8_t* ptr) const {
if (!validAddress(address)) return -1;
*ptr = *((uint8_t *)(uintptr_t)(address + FirstChar));
return 0;
int RawMemoryObject::readBytes(uint64_t address,
uint64_t size,
- uint8_t* buf,
- uint64_t* copied) {
+ uint8_t *buf) const {
if (!validAddress(address) || !validAddress(address + size - 1)) return -1;
memcpy(buf, (uint8_t *)(uintptr_t)(address + FirstChar), size);
- if (copied) *copied = size;
return size;
}
-const uint8_t *RawMemoryObject::getPointer(uint64_t address, uint64_t size) {
+const uint8_t *RawMemoryObject::getPointer(uint64_t address,
+ uint64_t size) const {
return FirstChar + address;
}
} // anonymous namespace
namespace llvm {
// If the bitcode has a header, then its size is known, and we don't have to
// block until we actually want to read it.
-bool StreamingMemoryObject::isValidAddress(uint64_t address) {
+bool StreamingMemoryObject::isValidAddress(uint64_t address) const {
if (ObjectSize && address < ObjectSize) return true;
return fetchToPos(address);
}
-bool StreamingMemoryObject::isObjectEnd(uint64_t address) {
+bool StreamingMemoryObject::isObjectEnd(uint64_t address) const {
if (ObjectSize) return address == ObjectSize;
fetchToPos(address);
return address == ObjectSize && address != 0;
}
-uint64_t StreamingMemoryObject::getExtent() {
+uint64_t StreamingMemoryObject::getExtent() const {
if (ObjectSize) return ObjectSize;
size_t pos = BytesRead + kChunkSize;
// keep fetching until we run out of bytes
return ObjectSize;
}
-int StreamingMemoryObject::readByte(uint64_t address, uint8_t* ptr) {
+int StreamingMemoryObject::readByte(uint64_t address, uint8_t* ptr) const {
if (!fetchToPos(address)) return -1;
*ptr = Bytes[address + BytesSkipped];
return 0;
int StreamingMemoryObject::readBytes(uint64_t address,
uint64_t size,
- uint8_t* buf,
- uint64_t* copied) {
+ uint8_t *buf) const {
if (!fetchToPos(address + size - 1)) return -1;
memcpy(buf, &Bytes[address + BytesSkipped], size);
- if (copied) *copied = size;
return 0;
}