/// getMemBuffer - Open the specified memory range as a MemoryBuffer. Note
/// that InputData must be null terminated.
static MemoryBuffer *getMemBuffer(StringRef InputData,
- StringRef BufferName = "");
+ StringRef BufferName = "",
+ bool RequiresNullTerminator = true);
/// getMemBufferCopy - Open the specified memory range as a MemoryBuffer,
/// copying the contents and taking ownership of it. InputData does not
/// getMemBuffer - Open the specified memory range as a MemoryBuffer. Note
/// that EndPtr[0] must be a null byte and be accessible!
MemoryBuffer *MemoryBuffer::getMemBuffer(StringRef InputData,
- StringRef BufferName) {
- return GetNamedBuffer<MemoryBufferMem>(InputData, BufferName, true);
+ StringRef BufferName,
+ bool RequiresNullTerminator) {
+ return GetNamedBuffer<MemoryBufferMem>(InputData, BufferName,
+ RequiresNullTerminator);
}
/// getMemBufferCopy - Open the specified memory range as a MemoryBuffer,
return makeLTOModule(buffer.get(), errMsg);
}
-/// makeBuffer - Create a MemoryBuffer from a memory range. MemoryBuffer
-/// requires the byte past end of the buffer to be a zero. We might get lucky
-/// and already be that way, otherwise make a copy. Also if next byte is on a
-/// different page, don't assume it is readable.
+/// makeBuffer - Create a MemoryBuffer from a memory range.
MemoryBuffer *LTOModule::makeBuffer(const void *mem, size_t length) {
const char *startPtr = (char*)mem;
const char *endPtr = startPtr+length;
- if (((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0 ||
- *endPtr != 0)
- return MemoryBuffer::getMemBufferCopy(StringRef(startPtr, length));
-
- return MemoryBuffer::getMemBuffer(StringRef(startPtr, length));
+ return MemoryBuffer::getMemBuffer(StringRef(startPtr, length), "", false);
}