1 // Copyright 2019 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_PROFILER_FRAME_H_ 6 #define BASE_PROFILER_FRAME_H_ 7 8 #include "base/base_export.h" 9 #include "base/memory/raw_ptr_exclusion.h" 10 #include "base/profiler/module_cache.h" 11 12 namespace base { 13 14 // Frame represents an individual sampled stack frame with full module 15 // information. 16 struct BASE_EXPORT Frame { 17 Frame(uintptr_t instruction_pointer, const ModuleCache::Module* module); 18 19 // TODO(crbug.com/1371105): For prototype use by Android arm browser main 20 // thread profiling for tracing only. Update once we have a full design 21 // for function name upload. 22 Frame(uintptr_t instruction_pointer, 23 const ModuleCache::Module* module, 24 std::string function_name); 25 ~Frame(); 26 27 // The sampled instruction pointer within the function. 28 uintptr_t instruction_pointer; 29 30 // The module information. 31 // `module` is not a raw_ptr<...> because it is used with gmock Field() that 32 // expects a raw pointer in V8UnwinderTest.UnwindThroughV8Frames. 33 RAW_PTR_EXCLUSION const ModuleCache::Module* module; 34 35 // This serves as a temporary way to pass function names from libunwindstack 36 // unwinder to tracing profiler. Not used by any other unwinder. 37 // TODO(crbug.com/1371105): For prototype use by Android arm browser main 38 // thread profiling for tracing only. Update once we have a full design 39 // for function name upload. 40 std::string function_name; 41 }; 42 43 } // namespace base 44 45 #endif // BASE_PROFILER_FRAME_H_ 46