void FLinuxCrashContext::InitFromSignal(int32 InSignal, siginfo_t* InInfo, void* InContext)
{
Signal = InSignal;
Info = InInfo;
Context = reinterpret_cast< ucontext_t* >( InContext );
FCString::Strcat(SignalDescription, ARRAY_COUNT( SignalDescription ) - 1, *DescribeSignal(Signal, Info));
}
void FLinuxCrashContext::InitFromSignal(int32 InSignal, siginfo_t* InInfo, void* InContext)
{
Signal = InSignal;
Info = InInfo;
Context = reinterpret_cast< ucontext_t* >( InContext );
// open ourselves for examination
if (!FParse::Param( FCommandLine::Get(), TEXT(CMDARG_SUPPRESS_DWARF_PARSING)))
{
ExeFd = open("/proc/self/exe", O_RDONLY);
if (ExeFd >= 0)
{
Dwarf_Error ErrorInfo;
// allocate DWARF debug descriptor
if (dwarf_init(ExeFd, DW_DLC_READ, NULL, NULL, &DebugInfo, &ErrorInfo) == DW_DLV_OK)
{
// get ELF descritor
if (dwarf_get_elf(DebugInfo, &ElfHdr, &ErrorInfo) != DW_DLV_OK)
{
dwarf_finish(DebugInfo, &ErrorInfo);
DebugInfo = NULL;
close(ExeFd);
ExeFd = -1;
}
}
else
{
DebugInfo = NULL;
close(ExeFd);
ExeFd = -1;
}
}
}
FCString::Strcat(SignalDescription, ARRAY_COUNT( SignalDescription ) - 1, *DescribeSignal(Signal, Info));
}
void CreateExceptionInfoString(int32 Signal, siginfo_t* Info)
{
FString ErrorString = TEXT("Unhandled Exception: ");
ErrorString += DescribeSignal(Signal, Info);
FCString::Strncpy(GErrorExceptionDescription, *ErrorString, FMath::Min(ErrorString.Len() + 1, (int32)ARRAY_COUNT(GErrorExceptionDescription)));
}
