aboutsummaryrefslogtreecommitdiff
path: root/source/Host/common/NativeThreadProtocol.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'source/Host/common/NativeThreadProtocol.cpp')
-rw-r--r--source/Host/common/NativeThreadProtocol.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/source/Host/common/NativeThreadProtocol.cpp b/source/Host/common/NativeThreadProtocol.cpp
new file mode 100644
index 000000000000..6cef5b1fa2d2
--- /dev/null
+++ b/source/Host/common/NativeThreadProtocol.cpp
@@ -0,0 +1,97 @@
+//===-- NativeThreadProtocol.cpp --------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NativeThreadProtocol.h"
+
+#include "NativeProcessProtocol.h"
+#include "lldb/Target/NativeRegisterContext.h"
+#include "SoftwareBreakpoint.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+NativeThreadProtocol::NativeThreadProtocol (NativeProcessProtocol *process, lldb::tid_t tid) :
+ m_process_wp (process->shared_from_this ()),
+ m_tid (tid)
+{
+}
+
+Error
+NativeThreadProtocol::ReadRegister (uint32_t reg, RegisterValue &reg_value)
+{
+ NativeRegisterContextSP register_context_sp = GetRegisterContext ();
+ if (!register_context_sp)
+ return Error ("no register context");
+
+ const RegisterInfo *const reg_info = register_context_sp->GetRegisterInfoAtIndex (reg);
+ if (!reg_info)
+ return Error ("no register info for reg num %" PRIu32, reg);
+
+ return register_context_sp->ReadRegister (reg_info, reg_value);;
+}
+
+Error
+NativeThreadProtocol::WriteRegister (uint32_t reg, const RegisterValue &reg_value)
+{
+ NativeRegisterContextSP register_context_sp = GetRegisterContext ();
+ if (!register_context_sp)
+ return Error ("no register context");
+
+ const RegisterInfo *const reg_info = register_context_sp->GetRegisterInfoAtIndex (reg);
+ if (!reg_info)
+ return Error ("no register info for reg num %" PRIu32, reg);
+
+ return register_context_sp->WriteRegister (reg_info, reg_value);
+}
+
+Error
+NativeThreadProtocol::SaveAllRegisters (lldb::DataBufferSP &data_sp)
+{
+ NativeRegisterContextSP register_context_sp = GetRegisterContext ();
+ if (!register_context_sp)
+ return Error ("no register context");
+ return register_context_sp->WriteAllRegisterValues (data_sp);
+}
+
+Error
+NativeThreadProtocol::RestoreAllRegisters (lldb::DataBufferSP &data_sp)
+{
+ NativeRegisterContextSP register_context_sp = GetRegisterContext ();
+ if (!register_context_sp)
+ return Error ("no register context");
+ return register_context_sp->ReadAllRegisterValues (data_sp);
+}
+
+NativeProcessProtocolSP
+NativeThreadProtocol::GetProcess ()
+{
+ return m_process_wp.lock ();
+}
+
+uint32_t
+NativeThreadProtocol::TranslateStopInfoToGdbSignal (const ThreadStopInfo &stop_info) const
+{
+ // Default: no translation. Do the real translation where there
+ // is access to the host signal numbers.
+ switch (stop_info.reason)
+ {
+ case eStopReasonSignal:
+ return stop_info.details.signal.signo;
+ break;
+
+ case eStopReasonException:
+ // FIXME verify the way to specify pass-thru here.
+ return static_cast<uint32_t> (stop_info.details.exception.type);
+ break;
+
+ default:
+ assert (0 && "unexpected stop_info.reason found");
+ return 0;
+ }
+}