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| author | Logan Chien <loganchien@google.com> | 2011-10-20 00:08:13 +0800 |
|---|---|---|
| committer | Logan Chien <loganchien@google.com> | 2011-10-20 00:09:35 +0800 |
| commit | 0ebc07a576037e4e36f68bf5cece32740ca120c0 (patch) | |
| tree | c2e40648043d01498ee25af839a071193561e425 /lib/Support/MemoryObject.cpp | |
| parent | 62383e889e0b06fd12a6b88311717cd33a1925c4 (diff) | |
| parent | cdd8e46bec4e975d00a5abea808d8eb4138515c5 (diff) | |
| download | external_llvm-0ebc07a576037e4e36f68bf5cece32740ca120c0.zip external_llvm-0ebc07a576037e4e36f68bf5cece32740ca120c0.tar.gz external_llvm-0ebc07a576037e4e36f68bf5cece32740ca120c0.tar.bz2 | |
Merge with LLVM upstream 2011/10/20 (r142530)
Conflicts:
lib/Support/Unix/Host.inc
Change-Id: Idc00db3b63912dca6348bddd9f8a1af2a8d5d147
Diffstat (limited to 'lib/Support/MemoryObject.cpp')
| -rw-r--r-- | lib/Support/MemoryObject.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Support/MemoryObject.cpp b/lib/Support/MemoryObject.cpp index 91e3ecd..b20ab89 100644 --- a/lib/Support/MemoryObject.cpp +++ b/lib/Support/MemoryObject.cpp @@ -19,8 +19,11 @@ int MemoryObject::readBytes(uint64_t address, uint64_t* copied) const { uint64_t current = address; uint64_t limit = getBase() + getExtent(); - - while (current - address < size && current < limit) { + + if (current + size > limit) + return -1; + + while (current - address < size) { if (readByte(current, &buf[(current - address)])) return -1; |