1 //===-- ABISysV_msp430.h ----------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H 11 #define LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H 12 13 #include "lldb/Target/ABI.h" 14 #include "lldb/lldb-private.h" 15 16 class ABISysV_msp430 : public lldb_private::RegInfoBasedABI { 17 public: 18 ~ABISysV_msp430() override = default; 19 20 size_t GetRedZoneSize() const override; 21 22 bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp, 23 lldb::addr_t functionAddress, 24 lldb::addr_t returnAddress, 25 llvm::ArrayRef<lldb::addr_t> args) const override; 26 27 bool GetArgumentValues(lldb_private::Thread &thread, 28 lldb_private::ValueList &values) const override; 29 30 lldb_private::Status 31 SetReturnValueObject(lldb::StackFrameSP &frame_sp, 32 lldb::ValueObjectSP &new_value) override; 33 34 lldb::ValueObjectSP 35 GetReturnValueObjectImpl(lldb_private::Thread &thread, 36 lldb_private::CompilerType &type) const override; 37 38 bool 39 CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override; 40 41 bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override; 42 43 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override; 44 45 bool CallFrameAddressIsValid(lldb::addr_t cfa) override { 46 // Make sure the stack call frame addresses are 2 byte aligned 47 // and not zero 48 if (cfa & 0x01 || cfa == 0) 49 return false; 50 return true; 51 } 52 53 bool CodeAddressIsValid(lldb::addr_t pc) override { return true; } 54 55 const lldb_private::RegisterInfo * 56 GetRegisterInfoArray(uint32_t &count) override; 57 58 uint64_t GetStackFrameSize() override { return 512; } 59 60 //------------------------------------------------------------------ 61 // Static Functions 62 //------------------------------------------------------------------ 63 64 static void Initialize(); 65 66 static void Terminate(); 67 68 static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, 69 const lldb_private::ArchSpec &arch); 70 71 static llvm::StringRef GetPluginNameStatic() { return "sysv-msp430"; } 72 73 // PluginInterface protocol 74 75 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } 76 77 protected: 78 void CreateRegisterMapIfNeeded(); 79 80 lldb::ValueObjectSP 81 GetReturnValueObjectSimple(lldb_private::Thread &thread, 82 lldb_private::CompilerType &ast_type) const; 83 84 bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info); 85 86 private: 87 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; 88 }; 89 90 #endif // LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H 91