ASan malloc/free history threads
Reviewed at http://reviews.llvm.org/D4596
llvm-svn: 217116
diff --git a/lldb/source/Commands/CommandObjectMemory.cpp b/lldb/source/Commands/CommandObjectMemory.cpp
index bfbb296..8144f48 100644
--- a/lldb/source/Commands/CommandObjectMemory.cpp
+++ b/lldb/source/Commands/CommandObjectMemory.cpp
@@ -33,8 +33,10 @@
#include "lldb/Interpreter/OptionGroupValueObjectDisplay.h"
#include "lldb/Interpreter/OptionValueString.h"
#include "lldb/Symbol/TypeList.h"
+#include "lldb/Target/MemoryHistory.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
+#include "lldb/Target/Thread.h"
using namespace lldb;
using namespace lldb_private;
@@ -1667,6 +1669,96 @@
OptionGroupWriteMemory m_memory_options;
};
+//----------------------------------------------------------------------
+// Get malloc/free history of a memory address.
+//----------------------------------------------------------------------
+class CommandObjectMemoryHistory : public CommandObjectParsed
+{
+public:
+
+ CommandObjectMemoryHistory (CommandInterpreter &interpreter) :
+ CommandObjectParsed (interpreter,
+ "memory history",
+ "Prints out the recorded stack traces for allocation/deallocation of a memory address.",
+ NULL,
+ eFlagRequiresTarget | eFlagRequiresProcess | eFlagProcessMustBePaused | eFlagProcessMustBeLaunched)
+ {
+ CommandArgumentEntry arg1;
+ CommandArgumentData addr_arg;
+
+ // Define the first (and only) variant of this arg.
+ addr_arg.arg_type = eArgTypeAddress;
+ addr_arg.arg_repetition = eArgRepeatPlain;
+
+ // There is only one variant this argument could be; put it into the argument entry.
+ arg1.push_back (addr_arg);
+
+ // Push the data for the first argument into the m_arguments vector.
+ m_arguments.push_back (arg1);
+ }
+
+ virtual
+ ~CommandObjectMemoryHistory ()
+ {
+ }
+
+ virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index)
+ {
+ return m_cmd_name.c_str();
+ }
+
+protected:
+ virtual bool
+ DoExecute (Args& command, CommandReturnObject &result)
+ {
+ const size_t argc = command.GetArgumentCount();
+
+ if (argc == 0 || argc > 1)
+ {
+ result.AppendErrorWithFormat ("%s takes an address expression", m_cmd_name.c_str());
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ Error error;
+ lldb::addr_t addr = Args::StringToAddress (&m_exe_ctx,
+ command.GetArgumentAtIndex(0),
+ LLDB_INVALID_ADDRESS,
+ &error);
+
+ if (addr == LLDB_INVALID_ADDRESS)
+ {
+ result.AppendError("invalid address expression");
+ result.AppendError(error.AsCString());
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ Stream *output_stream = &result.GetOutputStream();
+
+ const ProcessSP &process_sp = m_exe_ctx.GetProcessSP();
+ const MemoryHistorySP &memory_history = MemoryHistory::FindPlugin(process_sp);
+
+ if (! memory_history.get())
+ {
+ result.AppendError("no available memory history provider");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
+ }
+
+ HistoryThreads thread_list = memory_history->GetHistoryThreads(addr);
+
+ for (auto thread : thread_list) {
+ thread->GetStatus(*output_stream, 0, UINT32_MAX, 0);
+ }
+
+ result.SetStatus(eReturnStatusSuccessFinishResult);
+
+ return true;
+ }
+
+};
+
//-------------------------------------------------------------------------
// CommandObjectMemory
@@ -1681,6 +1773,7 @@
LoadSubCommand ("find", CommandObjectSP (new CommandObjectMemoryFind (interpreter)));
LoadSubCommand ("read", CommandObjectSP (new CommandObjectMemoryRead (interpreter)));
LoadSubCommand ("write", CommandObjectSP (new CommandObjectMemoryWrite (interpreter)));
+ LoadSubCommand ("history", CommandObjectSP (new CommandObjectMemoryHistory (interpreter)));
}
CommandObjectMemory::~CommandObjectMemory ()