linux: initial support for 'real' signal handling
This patch upgrades the Linux process plugin to handle a larger range of signal
events. For example, we can detect when the inferior has "crashed" and why,
interrupt a running process, deliver an arbitrary signal, and so on.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@128547 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Plugins/Process/Linux/ProcessMessage.cpp b/source/Plugins/Process/Linux/ProcessMessage.cpp
new file mode 100644
index 0000000..db7827d
--- /dev/null
+++ b/source/Plugins/Process/Linux/ProcessMessage.cpp
@@ -0,0 +1,91 @@
+//===-- ProcessMessage.cpp --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ProcessMessage.h"
+
+using namespace lldb_private;
+
+const char *
+ProcessMessage::GetCrashReasonString(CrashReason reason)
+{
+ const char *str = NULL;
+
+ switch (reason)
+ {
+ default:
+ assert(false && "invalid CrashReason");
+ break;
+
+ case eInvalidAddress:
+ str = "invalid address";
+ break;
+ case ePrivilegedAddress:
+ str = "address access protected";
+ break;
+ case eIllegalOpcode:
+ str = "illegal instruction";
+ break;
+ case eIllegalOperand:
+ str = "illegal instruction operand";
+ break;
+ case eIllegalAddressingMode:
+ str = "illegal addressing mode";
+ break;
+ case eIllegalTrap:
+ str = "illegal trap";
+ break;
+ case ePrivilegedOpcode:
+ str = "privileged instruction";
+ break;
+ case ePrivilegedRegister:
+ str = "privileged register";
+ break;
+ case eCoprocessorError:
+ str = "coprocessor error";
+ break;
+ case eInternalStackError:
+ str = "internal stack error";
+ break;
+ case eIllegalAlignment:
+ str = "illegal alignment";
+ break;
+ case eIllegalAddress:
+ str = "illegal address";
+ break;
+ case eHardwareError:
+ str = "hardware error";
+ break;
+ case eIntegerDivideByZero:
+ str = "integer divide by zero";
+ break;
+ case eIntegerOverflow:
+ str = "integer overflow";
+ break;
+ case eFloatDivideByZero:
+ str = "floating point divide by zero";
+ break;
+ case eFloatOverflow:
+ str = "floating point overflow";
+ break;
+ case eFloatUnderflow:
+ str = "floating point underflow";
+ break;
+ case eFloatInexactResult:
+ str = "inexact floating point result";
+ break;
+ case eFloatInvalidOperation:
+ str = "invalid floating point operation";
+ break;
+ case eFloatSubscriptRange:
+ str = "invalid floating point subscript range";
+ break;
+ }
+
+ return str;
+}