Share crash information between LLGS and local POSIX debugging with

CrashReason class. Deliver crash information from LLGS to lldb via
description field of thread stop packet.

llvm-svn: 227926

lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp

@@ -9,205 +9,19 @@
 
 #include "ProcessMessage.h"
 
-#include <sstream>
-
 using namespace lldb_private;
 
-namespace {
-
-inline void AppendFaultAddr(std::string& str, lldb::addr_t addr)
-{
-    std::stringstream ss;
-    ss << " (fault address: 0x" << std::hex << addr << ")";
-    str += ss.str();
-}
-
-}
-
-const char *
-ProcessMessage::GetCrashReasonString(CrashReason reason, lldb::addr_t fault_addr)
-{
-    static std::string str;
-
-    switch (reason)
-    {
-    default:
-        assert(false && "invalid CrashReason");
-        break;
-
-    case eInvalidAddress:
-        str = "invalid address";
-        AppendFaultAddr(str, fault_addr);
-        break;
-    case ePrivilegedAddress:
-        str = "address access protected";
-        AppendFaultAddr(str, fault_addr);
-        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.c_str();
-}
-
-const char *
-ProcessMessage::PrintCrashReason(CrashReason reason)
-{
-#ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
-    // Just return the code in asci for integration builds.
-    chcar str[8];
-    sprintf(str, "%d", reason);
-#else
-    const char *str = NULL;
-
-    switch (reason)
-    {
-        case eInvalidCrashReason:
-            str = "eInvalidCrashReason";
-            break;
-
-        // SIGSEGV crash reasons.
-        case eInvalidAddress:
-            str = "eInvalidAddress";
-            break;
-        case ePrivilegedAddress:
-            str = "ePrivilegedAddress";
-            break;
-
-        // SIGILL crash reasons.
-        case eIllegalOpcode:
-            str = "eIllegalOpcode";
-            break;
-        case eIllegalOperand:
-            str = "eIllegalOperand";
-            break;
-        case eIllegalAddressingMode:
-            str = "eIllegalAddressingMode";
-            break;
-        case eIllegalTrap:
-            str = "eIllegalTrap";
-            break;
-        case ePrivilegedOpcode:
-            str = "ePrivilegedOpcode";
-            break;
-        case ePrivilegedRegister:
-            str = "ePrivilegedRegister";
-            break;
-        case eCoprocessorError:
-            str = "eCoprocessorError";
-            break;
-        case eInternalStackError:
-            str = "eInternalStackError";
-            break;
-
-        // SIGBUS crash reasons:
-        case eIllegalAlignment:
-            str = "eIllegalAlignment";
-            break;
-        case eIllegalAddress:
-            str = "eIllegalAddress";
-            break;
-        case eHardwareError:
-            str = "eHardwareError";
-            break;
-
-        // SIGFPE crash reasons:
-        case eIntegerDivideByZero:
-            str = "eIntegerDivideByZero";
-            break;
-        case eIntegerOverflow:
-            str = "eIntegerOverflow";
-            break;
-        case eFloatDivideByZero:
-            str = "eFloatDivideByZero";
-            break;
-        case eFloatOverflow:
-            str = "eFloatOverflow";
-            break;
-        case eFloatUnderflow:
-            str = "eFloatUnderflow";
-            break;
-        case eFloatInexactResult:
-            str = "eFloatInexactResult";
-            break;
-        case eFloatInvalidOperation:
-            str = "eFloatInvalidOperation";
-            break;
-        case eFloatSubscriptRange:
-            str = "eFloatSubscriptRange";
-            break;
-    }
-#endif
-
-    return str;
-}
-
 const char *
 ProcessMessage::PrintCrashReason() const
 {
-    return PrintCrashReason(m_crash_reason);
+    return CrashReasonAsString(m_crash_reason);
 }
 
 const char *
 ProcessMessage::PrintKind(Kind kind)
 {
 #ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION
-    // Just return the code in asci for integration builds.
+    // Just return the code in ascii for integration builds.
     chcar str[8];
     sprintf(str, "%d", reason);
 #else