llvm-6502/lib/Support/MemoryObject.cpp
Derek Schuff 2ea93875b2 Enable streaming of bitcode
This CL delays reading of function bodies from initial parse until
materialization, allowing overlap of compilation with bitcode download.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06 22:30:29 +00:00

38 lines
940 B
C++

//===- MemoryObject.cpp - Abstract memory interface -----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/MemoryObject.h"
using namespace llvm;
MemoryObject::~MemoryObject() {
}
int MemoryObject::readBytes(uint64_t address,
uint64_t size,
uint8_t* buf,
uint64_t* copied) {
uint64_t current = address;
uint64_t limit = getBase() + getExtent();
if (current + size > limit)
return -1;
while (current - address < size) {
if (readByte(current, &buf[(current - address)]))
return -1;
current++;
}
if (copied)
*copied = current - address;
return 0;
}