StackTracer_Posix.h

#include <Foundation/FoundationInternal.h>
PL_FOUNDATION_INTERNAL_HEADER
 
#include <Foundation/System/StackTracer.h>
 
#include <Foundation/Math/Math.h>
 
#if __has_include(<execinfo.h>)
#  include <execinfo.h>
#  define HAS_EXECINFO 1
#endif
 
void plStackTracer::OnPluginEvent(const plPluginEvent& e)
{
}
 
// static
plUInt32 plStackTracer::GetStackTrace(plArrayPtr<void*>& trace, void* pContext)
{
#if HAS_EXECINFO
  return backtrace(trace.GetPtr(), trace.GetCount());
#else
  return 0;
#endif
}
 
// static
void plStackTracer::ResolveStackTrace(const plArrayPtr<void*>& trace, PrintFunc printFunc)
{
#if HAS_EXECINFO
  char szBuffer[512];
 
  char** ppSymbols = backtrace_symbols(trace.GetPtr(), trace.GetCount());
 
  if (ppSymbols != nullptr)
  {
    for (plUInt32 i = 0; i < trace.GetCount(); i++)
    {
      size_t uiLen = plMath::Min(strlen(ppSymbols[i]), static_cast<size_t>(PL_ARRAY_SIZE(szBuffer)) - 2);
      memcpy(szBuffer, ppSymbols[i], uiLen);
      szBuffer[uiLen] = '\n';
      szBuffer[uiLen + 1] = '\0';
 
      printFunc(szBuffer);
    }
 
    free(ppSymbols);
  }
#else
  printFunc("Could not record stack trace on this Linux system, because execinfo.h is not available.");
#endif
}