This revision was automatically updated to reflect the committed changes.
Closed by commit rL255083: Fix DoReadMemory for Windows mini dumps. (authored
by amccarth).
Changed prior to commit:
http://reviews.llvm.org/D15359?vs=42243&id=42246#toc
Repository:
rL LLVM
http://reviews.llvm.org/D15359
Files:
lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
Index: lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
===================================================================
--- lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
+++ lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
@@ -30,6 +30,7 @@
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/UnixSignals.h"
+#include "lldb/Utility/LLDBAssert.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
@@ -267,7 +268,9 @@
// There's at least some overlap between the beginning of the desired range
// (addr) and the current range. Figure out where the overlap begins and
// how much overlap there is, then copy it to the destination buffer.
- const size_t offset = range.start - addr;
+ lldbassert(range.start <= addr);
+ const size_t offset = addr - range.start;
+ lldbassert(offset < range.size);
const size_t overlap = std::min(size, range.size - offset);
std::memcpy(buf, range.ptr + offset, overlap);
return overlap;
Index: lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
===================================================================
--- lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
+++ lldb/trunk/source/Plugins/Process/Windows/MiniDump/ProcessWinMiniDump.cpp
@@ -30,6 +30,7 @@
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/UnixSignals.h"
+#include "lldb/Utility/LLDBAssert.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
@@ -267,7 +268,9 @@
// There's at least some overlap between the beginning of the desired range
// (addr) and the current range. Figure out where the overlap begins and
// how much overlap there is, then copy it to the destination buffer.
- const size_t offset = range.start - addr;
+ lldbassert(range.start <= addr);
+ const size_t offset = addr - range.start;
+ lldbassert(offset < range.size);
const size_t overlap = std::min(size, range.size - offset);
std::memcpy(buf, range.ptr + offset, overlap);
return overlap;
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