__gnu_profile::__stack_hash Class Reference

Hash function for summary trace using call stack as index. More...

#include <profile/impl/profiler_node.h>

Public Member Functions
std::size_t	operator() (__stack_t __s) const
bool	operator() (__stack_t __stack1, __stack_t __stack2) const

Detailed Description

Hash function for summary trace using call stack as index.

Member Function Documentation

std::size_t __gnu_profile::__stack_hash::operator() ( __stack_t  __s ) const

inline

    {
      if (!__s) 
    return 0;

      std::size_t __index = 0;
      __stack_npt::const_iterator __it;
      for (__it = __s->begin(); __it != __s->end(); ++__it)
    __index += reinterpret_cast<std::size_t>(*__it);
      return __index;
    }

bool __gnu_profile::__stack_hash::operator() ( __stack_t  __stack1, __stack_t  __stack2  ) const

inline

    {
      if (!__stack1 && !__stack2)
    return true;
      if (!__stack1 || !__stack2)
    return false;
      if (__stack1->size() != __stack2->size())
    return false;

      std::size_t __byte_size
    = __stack1->size() * sizeof(__stack_npt::value_type);
      return __builtin_memcmp(&(*__stack1)[0], &(*__stack2)[0],
                  __byte_size) == 0;
    }

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The documentation for this class was generated from the following file:

• GCC4/inc/profile/impl/profiler_node.h