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// -*- C++ -*- // // Copyright (C) 2009-2018 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. /** @file profile/impl/profiler.h * @brief Interface of the profiling runtime library. */ // Written by Lixia Liu and Silvius Rus. #ifndef _GLIBCXX_PROFILE_PROFILER_H #define _GLIBCXX_PROFILE_PROFILER_H 1 #include <bits/c++config.h> // Mechanism to define data with inline linkage. #define _GLIBCXX_PROFILE_DEFINE_UNINIT_DATA(__type, __name) \ inline __type& \ __get_##__name() \ { \ static __type __name; \ return __name; \ } #define _GLIBCXX_PROFILE_DEFINE_DATA(__type, __name, __initial_value...) \ inline __type& __get_##__name() { \ static __type __name(__initial_value); \ return __name; \ } #define _GLIBCXX_PROFILE_DATA(__name) \ __get_##__name() namespace __gnu_profile { /** @brief Reentrance guard. * * Mechanism to protect all __gnu_profile operations against recursion, * multithreaded and exception reentrance. */ struct __reentrance_guard { static bool __get_in() { if (__inside() == true) return false; else { __inside() = true; return true; } } static bool& __inside() { static __thread bool _S_inside(false); return _S_inside; } __reentrance_guard() { } ~__reentrance_guard() { __inside() = false; } }; // Forward declarations of implementation functions. // Don't use any __gnu_profile:: in user code. // Instead, use the __profcxx... macros, which offer guarded access. class __container_size_info; class __hashfunc_info; class __map2umap_info; class __vector2list_info; class __list2slist_info; class __list2vector_info; bool __turn_on(); bool __turn_off(); bool __is_invalid(); bool __is_on(); bool __is_off(); void __report(); __container_size_info* __trace_hashtable_size_construct(std::size_t); void __trace_hashtable_size_resize(__container_size_info*, std::size_t, std::size_t); void __trace_hashtable_size_destruct(__container_size_info*, std::size_t, std::size_t); __hashfunc_info* __trace_hash_func_construct(); void __trace_hash_func_destruct(__hashfunc_info*, std::size_t, std::size_t, std::size_t); __container_size_info* __trace_vector_size_construct(std::size_t); void __trace_vector_size_resize(__container_size_info*, std::size_t, std::size_t); void __trace_vector_size_destruct(__container_size_info*, std::size_t, std::size_t); __vector2list_info* __trace_vector_to_list_construct(); void __trace_vector_to_list_insert(__vector2list_info*, std::size_t, std::size_t); void __trace_vector_to_list_iterate(__vector2list_info*, int); void __trace_vector_to_list_invalid_operator(__vector2list_info*); void __trace_vector_to_list_resize(__vector2list_info*, std::size_t, std::size_t); void __trace_vector_to_list_destruct(__vector2list_info*); __list2slist_info* __trace_list_to_slist_construct(); void __trace_list_to_slist_rewind(__list2slist_info*); void __trace_list_to_slist_operation(__list2slist_info*); void __trace_list_to_slist_destruct(__list2slist_info*); __list2vector_info* __trace_list_to_vector_construct(); void __trace_list_to_vector_insert(__list2vector_info*, std::size_t, std::size_t); void __trace_list_to_vector_iterate(__list2vector_info*, int); void __trace_list_to_vector_invalid_operator(__list2vector_info*); void __trace_list_to_vector_resize(__list2vector_info*, std::size_t, std::size_t); void __trace_list_to_vector_destruct(__list2vector_info*); __map2umap_info* __trace_map_to_unordered_map_construct(); void __trace_map_to_unordered_map_invalidate(__map2umap_info*); void __trace_map_to_unordered_map_insert(__map2umap_info*, std::size_t, std::size_t); void __trace_map_to_unordered_map_erase(__map2umap_info*, std::size_t, std::size_t); void __trace_map_to_unordered_map_iterate(__map2umap_info*, std::size_t); void __trace_map_to_unordered_map_find(__map2umap_info*, std::size_t); void __trace_map_to_unordered_map_destruct(__map2umap_info*); } // namespace __gnu_profile // Master switch turns on all diagnostics that are not explicitly turned off. #ifdef _GLIBCXX_PROFILE #ifndef _GLIBCXX_PROFILE_NO_HASHTABLE_TOO_SMALL #define _GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL #endif #ifndef _GLIBCXX_PROFILE_NO_HASHTABLE_TOO_LARGE #define _GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE #endif #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TOO_SMALL #define _GLIBCXX_PROFILE_VECTOR_TOO_SMALL #endif #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TOO_LARGE #define _GLIBCXX_PROFILE_VECTOR_TOO_LARGE #endif #ifndef _GLIBCXX_PROFILE_NO_INEFFICIENT_HASH #define _GLIBCXX_PROFILE_INEFFICIENT_HASH #endif #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TO_LIST #define _GLIBCXX_PROFILE_VECTOR_TO_LIST #endif #ifndef _GLIBCXX_PROFILE_NO_LIST_TO_SLIST #define _GLIBCXX_PROFILE_LIST_TO_SLIST #endif #ifndef _GLIBCXX_PROFILE_NO_LIST_TO_VECTOR #define _GLIBCXX_PROFILE_LIST_TO_VECTOR #endif #ifndef _GLIBCXX_PROFILE_NO_MAP_TO_UNORDERED_MAP #define _GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP #endif #endif // Expose global management routines to user code. #ifdef _GLIBCXX_PROFILE #define __profcxx_report() __gnu_profile::__report() #define __profcxx_turn_on() __gnu_profile::__turn_on() #define __profcxx_turn_off() __gnu_profile::__turn_off() #define __profcxx_is_invalid() __gnu_profile::__is_invalid() #define __profcxx_is_on() __gnu_profile::__is_on() #define __profcxx_is_off() __gnu_profile::__is_off() #else #define __profcxx_report() #define __profcxx_turn_on() #define __profcxx_turn_off() #define __profcxx_is_invalid() #define __profcxx_is_on() #define __profcxx_is_off() #endif // Turn on/off instrumentation for HASHTABLE_TOO_SMALL and HASHTABLE_TOO_LARGE. #if (defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL) \ || defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE)) #define __profcxx_hashtable_size_construct(__x...) \ __gnu_profile::__trace_hashtable_size_construct(__x) #define __profcxx_hashtable_size_resize(__x...) \ __gnu_profile::__trace_hashtable_size_resize(__x) #define __profcxx_hashtable_size_destruct(__x...) \ __gnu_profile::__trace_hashtable_size_destruct(__x) #else #define __profcxx_hashtable_size_construct(__x...) 0 #define __profcxx_hashtable_size_resize(__x...) #define __profcxx_hashtable_size_destruct(__x...) #endif // Turn on/off instrumentation for VECTOR_TOO_SMALL and VECTOR_TOO_LARGE. #if (defined(_GLIBCXX_PROFILE_VECTOR_TOO_SMALL) \ || defined(_GLIBCXX_PROFILE_VECTOR_TOO_LARGE)) #define __profcxx_vector_size_construct(__x...) \ __gnu_profile::__trace_vector_size_construct(__x) #define __profcxx_vector_size_resize(__x...) \ __gnu_profile::__trace_vector_size_resize(__x) #define __profcxx_vector_size_destruct(__x...) \ __gnu_profile::__trace_vector_size_destruct(__x) #else #define __profcxx_vector_size_construct(__x...) 0 #define __profcxx_vector_size_resize(__x...) #define __profcxx_vector_size_destruct(__x...) #endif // Turn on/off instrumentation for INEFFICIENT_HASH. #if defined(_GLIBCXX_PROFILE_INEFFICIENT_HASH) #define __profcxx_hash_func_construct(__x...) \ __gnu_profile::__trace_hash_func_construct(__x) #define __profcxx_hash_func_destruct(__x...) \ __gnu_profile::__trace_hash_func_destruct(__x) #else #define __profcxx_hash_func_construct(__x...) 0 #define __profcxx_hash_func_destruct(__x...) #endif // Turn on/off instrumentation for VECTOR_TO_LIST. #if defined(_GLIBCXX_PROFILE_VECTOR_TO_LIST) #define __profcxx_vector2list_construct(__x...) \ __gnu_profile::__trace_vector_to_list_construct(__x) #define __profcxx_vector2list_insert(__x...) \ __gnu_profile::__trace_vector_to_list_insert(__x) #define __profcxx_vector2list_iterate(__x...) \ __gnu_profile::__trace_vector_to_list_iterate(__x) #define __profcxx_vector2list_invalid_operator(__x...) \ __gnu_profile::__trace_vector_to_list_invalid_operator(__x) #define __profcxx_vector2list_resize(__x...) \ __gnu_profile::__trace_vector_to_list_resize(__x) #define __profcxx_vector2list_destruct(__x...) \ __gnu_profile::__trace_vector_to_list_destruct(__x) #else #define __profcxx_vector2list_construct(__x...) 0 #define __profcxx_vector2list_insert(__x...) #define __profcxx_vector2list_iterate(__x...) #define __profcxx_vector2list_invalid_operator(__x...) #define __profcxx_vector2list_resize(__x...) #define __profcxx_vector2list_destruct(__x...) #endif // Turn on/off instrumentation for LIST_TO_VECTOR. #if defined(_GLIBCXX_PROFILE_LIST_TO_VECTOR) #define __profcxx_list2vector_construct(__x...) \ __gnu_profile::__trace_list_to_vector_construct(__x) #define __profcxx_list2vector_insert(__x...) \ __gnu_profile::__trace_list_to_vector_insert(__x) #define __profcxx_list2vector_iterate(__x...) \ __gnu_profile::__trace_list_to_vector_iterate(__x) #define __profcxx_list2vector_invalid_operator(__x...) \ __gnu_profile::__trace_list_to_vector_invalid_operator(__x) #define __profcxx_list2vector_destruct(__x...) \ __gnu_profile::__trace_list_to_vector_destruct(__x) #else #define __profcxx_list2vector_construct(__x...) 0 #define __profcxx_list2vector_insert(__x...) #define __profcxx_list2vector_iterate(__x...) #define __profcxx_list2vector_invalid_operator(__x...) #define __profcxx_list2vector_destruct(__x...) #endif // Turn on/off instrumentation for LIST_TO_SLIST. #if defined(_GLIBCXX_PROFILE_LIST_TO_SLIST) #define __profcxx_list2slist_construct(__x...) \ __gnu_profile::__trace_list_to_slist_construct(__x) #define __profcxx_list2slist_rewind(__x...) \ __gnu_profile::__trace_list_to_slist_rewind(__x) #define __profcxx_list2slist_operation(__x...) \ __gnu_profile::__trace_list_to_slist_operation(__x) #define __profcxx_list2slist_destruct(__x...) \ __gnu_profile::__trace_list_to_slist_destruct(__x) #else #define __profcxx_list2slist_construct(__x...) 0 #define __profcxx_list2slist_rewind(__x...) #define __profcxx_list2slist_operation(__x...) #define __profcxx_list2slist_destruct(__x...) #endif // Turn on/off instrumentation for MAP_TO_UNORDERED_MAP. #if defined(_GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP) #define __profcxx_map2umap_construct(__x...) \ __gnu_profile::__trace_map_to_unordered_map_construct(__x) #define __profcxx_map2umap_insert(__x...) \ __gnu_profile::__trace_map_to_unordered_map_insert(__x) #define __profcxx_map2umap_erase(__x...) \ __gnu_profile::__trace_map_to_unordered_map_erase(__x) #define __profcxx_map2umap_iterate(__x...) \ __gnu_profile::__trace_map_to_unordered_map_iterate(__x) #define __profcxx_map2umap_invalidate(__x...) \ __gnu_profile::__trace_map_to_unordered_map_invalidate(__x) #define __profcxx_map2umap_find(__x...) \ __gnu_profile::__trace_map_to_unordered_map_find(__x) #define __profcxx_map2umap_destruct(__x...) \ __gnu_profile::__trace_map_to_unordered_map_destruct(__x) #else #define __profcxx_map2umap_construct(__x...) 0 #define __profcxx_map2umap_insert(__x...) #define __profcxx_map2umap_erase(__x...) #define __profcxx_map2umap_iterate(__x...) #define __profcxx_map2umap_invalidate(__x...) #define __profcxx_map2umap_find(__x...) #define __profcxx_map2umap_destruct(__x...) #endif // Set default values for compile-time customizable variables. #ifndef _GLIBCXX_PROFILE_TRACE_PATH_ROOT #define _GLIBCXX_PROFILE_TRACE_PATH_ROOT "libstdcxx-profile" #endif #ifndef _GLIBCXX_PROFILE_TRACE_ENV_VAR #define _GLIBCXX_PROFILE_TRACE_ENV_VAR "_GLIBCXX_PROFILE_TRACE_PATH_ROOT" #endif #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR #define _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR \ "_GLIBCXX_PROFILE_MAX_WARN_COUNT" #endif #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT #define _GLIBCXX_PROFILE_MAX_WARN_COUNT 10 #endif #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH 32 #endif #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR \ "_GLIBCXX_PROFILE_MAX_STACK_DEPTH" #endif #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC (1 << 28) #endif #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR \ "_GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC" #endif // Instrumentation hook implementations. #include "profile/impl/profiler_hash_func.h" #include "profile/impl/profiler_hashtable_size.h" #include "profile/impl/profiler_map_to_unordered_map.h" #include "profile/impl/profiler_vector_size.h" #include "profile/impl/profiler_vector_to_list.h" #include "profile/impl/profiler_list_to_slist.h" #include "profile/impl/profiler_list_to_vector.h" #endif // _GLIBCXX_PROFILE_PROFILER_H
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