bool FLinuxPlatformStackWalk::ProgramCounterToHumanReadableString( int32 CurrentCallDepth, uint64 ProgramCounter, ANSICHAR* HumanReadableString, SIZE_T HumanReadableStringSize, FGenericCrashContext* Context )
{
if (HumanReadableString && HumanReadableStringSize > 0)
{
ANSICHAR TempArray[MAX_SPRINTF];
if (CurrentCallDepth < 0)
{
if (PLATFORM_64BITS)
{
FCStringAnsi::Sprintf(TempArray, "[Callstack] 0x%016llx ", ProgramCounter);
}
else
{
FCStringAnsi::Sprintf(TempArray, "[Callstack] 0x%08x ", (uint32) ProgramCounter);
}
LinuxStackWalkHelpers::AppendToString(HumanReadableString, HumanReadableStringSize, Context, TempArray);
// won't be able to display names here
}
else
{
if (PLATFORM_64BITS)
{
FCStringAnsi::Sprintf(TempArray, "[Callstack] %02d 0x%016llx ", CurrentCallDepth, ProgramCounter);
}
else
{
FCStringAnsi::Sprintf(TempArray, "[Callstack] %02d 0x%08x ", CurrentCallDepth, (uint32) ProgramCounter);
}
LinuxStackWalkHelpers::AppendToString(HumanReadableString, HumanReadableStringSize, Context, TempArray);
// Get filename.
{
const char * FunctionName = LinuxStackWalkHelpers::GetFunctionName(Context, CurrentCallDepth);
if (FunctionName)
{
LinuxStackWalkHelpers::AppendToString(HumanReadableString, HumanReadableStringSize, Context, FunctionName);
}
// try to add source file and line number, too
FLinuxCrashContext* LinuxContext = static_cast< FLinuxCrashContext* >( Context );
if (LinuxContext)
{
const char * SourceFilename = NULL;
int LineNumber;
if (LinuxContext->GetInfoForAddress(reinterpret_cast< void* >( ProgramCounter ), NULL, &SourceFilename, &LineNumber) && FunctionName != NULL)
{
FCStringAnsi::Sprintf(TempArray, " [%s, line %d]", SourceFilename, LineNumber);
LinuxStackWalkHelpers::AppendToString(HumanReadableString, HumanReadableStringSize, Context, TempArray);
FCStringAnsi::Sprintf(TempArray, " [%s:%d]", SourceFilename, LineNumber);
// if we were able to find info for this line, it means it's in our code
// append program name (strong assumption of monolithic build here!)
FCStringAnsi::Strcat(LinuxContext->MinidumpCallstackInfo, ARRAY_COUNT( LinuxContext->MinidumpCallstackInfo ) - 1, TCHAR_TO_ANSI(*FApp::GetName()));
FCStringAnsi::Strcat(LinuxContext->MinidumpCallstackInfo, ARRAY_COUNT( LinuxContext->MinidumpCallstackInfo ) - 1, "!");
LinuxStackWalkHelpers::AppendFunctionNameIfAny(*LinuxContext, FunctionName, ProgramCounter);
FCStringAnsi::Strcat(LinuxContext->MinidumpCallstackInfo, ARRAY_COUNT( LinuxContext->MinidumpCallstackInfo ) - 1, TempArray);
}
else
{
// if we were NOT able to find info for this line, it means it's something else
FCStringAnsi::Strcat(LinuxContext->MinidumpCallstackInfo, ARRAY_COUNT( LinuxContext->MinidumpCallstackInfo ) - 1, "Unknown!");
LinuxStackWalkHelpers::AppendFunctionNameIfAny(*LinuxContext, FunctionName, ProgramCounter);
}
FCStringAnsi::Strcat(LinuxContext->MinidumpCallstackInfo, ARRAY_COUNT( LinuxContext->MinidumpCallstackInfo ) - 1, "\r\n"); // this one always uses Windows line terminators
}
}
}
return true;
}
return true;
}
