summaryrefslogtreecommitdiff
path: root/lib/Support/StringRefMemoryObject.cpp
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2013-12-22 00:04:03 +0000
committerDimitry Andric <dim@FreeBSD.org>2013-12-22 00:04:03 +0000
commitf8af5cf600354830d4ccf59732403f0f073eccb9 (patch)
tree2ba0398b4c42ad4f55561327538044fd2c925a8b /lib/Support/StringRefMemoryObject.cpp
parent59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff)
Notes
Diffstat (limited to 'lib/Support/StringRefMemoryObject.cpp')
-rw-r--r--lib/Support/StringRefMemoryObject.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/Support/StringRefMemoryObject.cpp b/lib/Support/StringRefMemoryObject.cpp
new file mode 100644
index 000000000000..e035ed1d2ef3
--- /dev/null
+++ b/lib/Support/StringRefMemoryObject.cpp
@@ -0,0 +1,29 @@
+//===- lib/Support/StringRefMemoryObject.cpp --------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/StringRefMemoryObject.h"
+
+using namespace llvm;
+
+int StringRefMemoryObject::readByte(uint64_t Addr, uint8_t *Byte) const {
+ if (Addr >= Base + getExtent() || Addr < Base)
+ return -1;
+ *Byte = Bytes[Addr - Base];
+ return 0;
+}
+
+int StringRefMemoryObject::readBytes(uint64_t Addr,
+ uint64_t Size,
+ uint8_t *Buf) const {
+ uint64_t Offset = Addr - Base;
+ if (Addr >= Base + getExtent() || Offset + Size > getExtent() || Addr < Base)
+ return -1;
+ memcpy(Buf, Bytes.data() + Offset, Size);
+ return 0;
+}