FreeRDP relies on the debug primitives provided by WinPR

It consists of

• A logging system (defined in winpr/include/winpr/wlog.h)
• A backtrace system (defined in winpr/include/winpr/debug.h)

• The logger WLog is capable of supporting various backends (stdout, files, sockets, ...)
• Can be filtered:
  • Global log level
  • Different logging levels per TAG
• Static and dynamic use
  • Static for use where the message is not performance critical (A global tree is searched to finding the corresponding logger)
  • Dynamic to speed things up (A reference to the logging configuration is held in memory)

• With the primitives in winpr/include/winpr/debug.h a stack trace can be obtained (or logged to WLog)
• Verbosity of these backtraces depends on compilation settings
• Debug symbols are required for human readable traces