| //===-- ProfileObjectiveC.h -------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 10/4/07. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __ProfileObjectiveC_h__ |
| #define __ProfileObjectiveC_h__ |
| |
| #include "DNB.h" |
| #include "DNBRuntimeAction.h" |
| #include <map> |
| #include <sys/time.h> |
| |
| class ProfileObjectiveC : public DNBRuntimeAction |
| { |
| public: |
| ProfileObjectiveC(); |
| virtual ~ProfileObjectiveC(); |
| //------------------------------------------------------------------ |
| // DNBRuntimeAction required functions |
| //------------------------------------------------------------------ |
| virtual void Initialize(nub_process_t pid); |
| virtual void ProcessStateChanged(nub_state_t state); |
| virtual void SharedLibraryStateChanged(DNBExecutableImageInfo *image_infos, nub_size_t num_image_infos); |
| |
| protected: |
| typedef uint32_t objc_selector_t; |
| typedef uint32_t objc_class_ptr_t; |
| void Clear(); |
| static nub_bool_t MessageSendBreakpointCallback(nub_process_t pid, nub_thread_t tid, nub_break_t breakID, void *userData); |
| static nub_bool_t MessageSendSuperBreakpointCallback(nub_process_t pid, nub_thread_t tid, nub_break_t breakID, void *userData); |
| void DumpStats(nub_process_t pid, FILE *f); |
| void SetStartTime(); |
| void SelectorHit(objc_class_ptr_t isa, objc_selector_t sel); |
| typedef std::map<objc_selector_t, uint32_t> SelectorHitCount; |
| typedef std::map<objc_class_ptr_t, SelectorHitCount> ClassStatsMap; |
| typedef struct Probe |
| { |
| nub_addr_t addr; |
| nub_break_t breakID; |
| Probe() : addr(INVALID_NUB_ADDRESS), breakID(INVALID_NUB_BREAK_ID) {} |
| void Clear() |
| { |
| addr = INVALID_NUB_ADDRESS; |
| breakID = INVALID_NUB_BREAK_ID; |
| } |
| bool IsValid() const |
| { |
| return (addr != INVALID_NUB_ADDRESS) && (NUB_BREAK_ID_IS_VALID(breakID)); |
| } |
| }; |
| |
| uint32_t IncrementHitCount() { return ++m_hit_count; } |
| bool ShouldDumpStats() const { return m_dump_count && (m_hit_count % m_dump_count) == 0; } |
| |
| nub_process_t m_pid; |
| Probe m_objc_msgSend; |
| Probe m_objc_msgSendSuper; |
| uint32_t m_hit_count; // Number of times we have gotten one of our breakpoints hit |
| uint32_t m_dump_count; // Dump stats every time the hit count reaches a multiple of this value |
| #if defined (__powerpc__) || defined (__ppc__) |
| enum |
| { |
| k_opcode_size = 4 |
| }; |
| uint8_t m_objc_msgSend_opcode[k_opcode_size]; // Saved copy of first opcode in objc_msgSend |
| Probe m_objc_msgSend_rtp; // COMM page probe info for objc_msgSend |
| #endif |
| struct timeval m_begin_time; |
| ClassStatsMap m_objcStats; |
| }; |
| |
| |
| #endif // #ifndef __ProfileObjectiveC_h__ |
