diff options
Diffstat (limited to 'source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h')
| -rw-r--r-- | source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h | 292 |
1 files changed, 134 insertions, 158 deletions
diff --git a/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h b/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h index 61d3ece3f6c3..e587c93b427c 100644 --- a/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h +++ b/source/Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h @@ -14,172 +14,148 @@ // C++ Includes // Other libraries and framework includes // Project includes -#include "lldb/lldb-private.h" #include "lldb/Core/EmulateInstruction.h" #include "lldb/Core/RegisterValue.h" #include "lldb/Symbol/UnwindPlan.h" #include "lldb/Target/UnwindAssembly.h" +#include "lldb/lldb-private.h" -class UnwindAssemblyInstEmulation : public lldb_private::UnwindAssembly -{ +class UnwindAssemblyInstEmulation : public lldb_private::UnwindAssembly { public: - ~UnwindAssemblyInstEmulation() override = default; - - bool - GetNonCallSiteUnwindPlanFromAssembly(lldb_private::AddressRange& func, - lldb_private::Thread& thread, - lldb_private::UnwindPlan& unwind_plan) override; - - bool - AugmentUnwindPlanFromCallSite(lldb_private::AddressRange& func, - lldb_private::Thread& thread, - lldb_private::UnwindPlan& unwind_plan) override; - - bool - GetFastUnwindPlan(lldb_private::AddressRange& func, - lldb_private::Thread& thread, - lldb_private::UnwindPlan &unwind_plan) override; - - // thread may be NULL in which case we only use the Target (e.g. if this is called pre-process-launch). - bool - FirstNonPrologueInsn(lldb_private::AddressRange& func, - const lldb_private::ExecutionContext &exe_ctx, - lldb_private::Address& first_non_prologue_insn) override; - - static lldb_private::UnwindAssembly * - CreateInstance (const lldb_private::ArchSpec &arch); - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static lldb_private::ConstString - GetPluginNameStatic(); - - static const char * - GetPluginDescriptionStatic(); - - lldb_private::ConstString - GetPluginName() override; - - uint32_t - GetPluginVersion() override; - + ~UnwindAssemblyInstEmulation() override = default; + + bool GetNonCallSiteUnwindPlanFromAssembly( + lldb_private::AddressRange &func, lldb_private::Thread &thread, + lldb_private::UnwindPlan &unwind_plan) override; + + bool + GetNonCallSiteUnwindPlanFromAssembly(lldb_private::AddressRange &func, + uint8_t *opcode_data, size_t opcode_size, + lldb_private::UnwindPlan &unwind_plan); + + bool + AugmentUnwindPlanFromCallSite(lldb_private::AddressRange &func, + lldb_private::Thread &thread, + lldb_private::UnwindPlan &unwind_plan) override; + + bool GetFastUnwindPlan(lldb_private::AddressRange &func, + lldb_private::Thread &thread, + lldb_private::UnwindPlan &unwind_plan) override; + + // thread may be NULL in which case we only use the Target (e.g. if this is + // called pre-process-launch). + bool + FirstNonPrologueInsn(lldb_private::AddressRange &func, + const lldb_private::ExecutionContext &exe_ctx, + lldb_private::Address &first_non_prologue_insn) override; + + static lldb_private::UnwindAssembly * + CreateInstance(const lldb_private::ArchSpec &arch); + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + static void Initialize(); + + static void Terminate(); + + static lldb_private::ConstString GetPluginNameStatic(); + + static const char *GetPluginDescriptionStatic(); + + lldb_private::ConstString GetPluginName() override; + + uint32_t GetPluginVersion() override; + private: - // Call CreateInstance to get an instance of this class - UnwindAssemblyInstEmulation(const lldb_private::ArchSpec &arch, - lldb_private::EmulateInstruction *inst_emulator) : - UnwindAssembly (arch), - m_inst_emulator_ap (inst_emulator), - m_range_ptr (NULL), - m_thread_ptr (NULL), - m_unwind_plan_ptr (NULL), - m_curr_row (), - m_cfa_reg_info (), - m_fp_is_cfa (false), - m_register_values (), - m_pushed_regs(), - m_curr_row_modified (false), - m_forward_branch_offset (0) - { - if (m_inst_emulator_ap.get()) - { - m_inst_emulator_ap->SetBaton (this); - m_inst_emulator_ap->SetCallbacks (ReadMemory, WriteMemory, ReadRegister, WriteRegister); - } + // Call CreateInstance to get an instance of this class + UnwindAssemblyInstEmulation(const lldb_private::ArchSpec &arch, + lldb_private::EmulateInstruction *inst_emulator) + : UnwindAssembly(arch), m_inst_emulator_ap(inst_emulator), + m_range_ptr(NULL), m_unwind_plan_ptr(NULL), m_curr_row(), + m_cfa_reg_info(), m_fp_is_cfa(false), m_register_values(), + m_pushed_regs(), m_curr_row_modified(false), + m_forward_branch_offset(0) { + if (m_inst_emulator_ap.get()) { + m_inst_emulator_ap->SetBaton(this); + m_inst_emulator_ap->SetCallbacks(ReadMemory, WriteMemory, ReadRegister, + WriteRegister); } - - static size_t - ReadMemory (lldb_private::EmulateInstruction *instruction, - void *baton, - const lldb_private::EmulateInstruction::Context &context, - lldb::addr_t addr, - void *dst, - size_t length); - - static size_t - WriteMemory (lldb_private::EmulateInstruction *instruction, - void *baton, - const lldb_private::EmulateInstruction::Context &context, - lldb::addr_t addr, - const void *dst, - size_t length); - - static bool - ReadRegister (lldb_private::EmulateInstruction *instruction, - void *baton, - const lldb_private::RegisterInfo *reg_info, - lldb_private::RegisterValue ®_value); - - static bool - WriteRegister (lldb_private::EmulateInstruction *instruction, - void *baton, - const lldb_private::EmulateInstruction::Context &context, - const lldb_private::RegisterInfo *reg_info, - const lldb_private::RegisterValue ®_value); - -// size_t -// ReadMemory (lldb_private::EmulateInstruction *instruction, -// const lldb_private::EmulateInstruction::Context &context, -// lldb::addr_t addr, -// void *dst, -// size_t length); - - size_t - WriteMemory (lldb_private::EmulateInstruction *instruction, - const lldb_private::EmulateInstruction::Context &context, - lldb::addr_t addr, - const void *dst, - size_t length); - - bool - ReadRegister (lldb_private::EmulateInstruction *instruction, - const lldb_private::RegisterInfo *reg_info, - lldb_private::RegisterValue ®_value); - - bool - WriteRegister (lldb_private::EmulateInstruction *instruction, - const lldb_private::EmulateInstruction::Context &context, - const lldb_private::RegisterInfo *reg_info, - const lldb_private::RegisterValue ®_value); - - static uint64_t - MakeRegisterKindValuePair (const lldb_private::RegisterInfo ®_info); - - void - SetRegisterValue (const lldb_private::RegisterInfo ®_info, - const lldb_private::RegisterValue ®_value); - - bool - GetRegisterValue (const lldb_private::RegisterInfo ®_info, - lldb_private::RegisterValue ®_value); - - std::unique_ptr<lldb_private::EmulateInstruction> m_inst_emulator_ap; - lldb_private::AddressRange* m_range_ptr; - lldb_private::Thread* m_thread_ptr; - lldb_private::UnwindPlan* m_unwind_plan_ptr; - lldb_private::UnwindPlan::RowSP m_curr_row; - typedef std::map<uint64_t, uint64_t> PushedRegisterToAddrMap; - uint64_t m_initial_sp; - lldb_private::RegisterInfo m_cfa_reg_info; - bool m_fp_is_cfa; - typedef std::map<uint64_t, lldb_private::RegisterValue> RegisterValueMap; - RegisterValueMap m_register_values; - PushedRegisterToAddrMap m_pushed_regs; - - // While processing the instruction stream, we need to communicate some state change - // information up to the higher level loop that makes decisions about how to push - // the unwind instructions for the UnwindPlan we're constructing. - - // The instruction we're processing updated the UnwindPlan::Row contents - bool m_curr_row_modified; - // The instruction is branching forward with the given offset. 0 value means no branching. - uint32_t m_forward_branch_offset; + } + + static size_t + ReadMemory(lldb_private::EmulateInstruction *instruction, void *baton, + const lldb_private::EmulateInstruction::Context &context, + lldb::addr_t addr, void *dst, size_t length); + + static size_t + WriteMemory(lldb_private::EmulateInstruction *instruction, void *baton, + const lldb_private::EmulateInstruction::Context &context, + lldb::addr_t addr, const void *dst, size_t length); + + static bool ReadRegister(lldb_private::EmulateInstruction *instruction, + void *baton, + const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue ®_value); + + static bool + WriteRegister(lldb_private::EmulateInstruction *instruction, void *baton, + const lldb_private::EmulateInstruction::Context &context, + const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue ®_value); + + // size_t + // ReadMemory (lldb_private::EmulateInstruction *instruction, + // const lldb_private::EmulateInstruction::Context &context, + // lldb::addr_t addr, + // void *dst, + // size_t length); + + size_t WriteMemory(lldb_private::EmulateInstruction *instruction, + const lldb_private::EmulateInstruction::Context &context, + lldb::addr_t addr, const void *dst, size_t length); + + bool ReadRegister(lldb_private::EmulateInstruction *instruction, + const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue ®_value); + + bool WriteRegister(lldb_private::EmulateInstruction *instruction, + const lldb_private::EmulateInstruction::Context &context, + const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue ®_value); + + static uint64_t + MakeRegisterKindValuePair(const lldb_private::RegisterInfo ®_info); + + void SetRegisterValue(const lldb_private::RegisterInfo ®_info, + const lldb_private::RegisterValue ®_value); + + bool GetRegisterValue(const lldb_private::RegisterInfo ®_info, + lldb_private::RegisterValue ®_value); + + std::unique_ptr<lldb_private::EmulateInstruction> m_inst_emulator_ap; + lldb_private::AddressRange *m_range_ptr; + lldb_private::UnwindPlan *m_unwind_plan_ptr; + lldb_private::UnwindPlan::RowSP m_curr_row; + typedef std::map<uint64_t, uint64_t> PushedRegisterToAddrMap; + uint64_t m_initial_sp; + lldb_private::RegisterInfo m_cfa_reg_info; + bool m_fp_is_cfa; + typedef std::map<uint64_t, lldb_private::RegisterValue> RegisterValueMap; + RegisterValueMap m_register_values; + PushedRegisterToAddrMap m_pushed_regs; + + // While processing the instruction stream, we need to communicate some state + // change + // information up to the higher level loop that makes decisions about how to + // push + // the unwind instructions for the UnwindPlan we're constructing. + + // The instruction we're processing updated the UnwindPlan::Row contents + bool m_curr_row_modified; + // The instruction is branching forward with the given offset. 0 value means + // no branching. + uint32_t m_forward_branch_offset; }; #endif // liblldb_UnwindAssemblyInstEmulation_h_ |