1 //===-- ABIMacOSX_i386.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 liblldb_ABIMacOSX_i386_h_ 11 #define liblldb_ABIMacOSX_i386_h_ 12 13 // C Includes 14 // C++ Includes 15 // Other libraries and framework includes 16 // Project includes 17 #include "lldb/lldb-private.h" 18 #include "lldb/Target/ABI.h" 19 #include "lldb/Core/Value.h" 20 21 class ABIMacOSX_i386 : 22 public lldb_private::ABI 23 { 24 public: 25 26 ~ABIMacOSX_i386() { } 27 28 virtual size_t 29 GetRedZoneSize () const; 30 31 virtual bool 32 PrepareTrivialCall (lldb_private::Thread &thread, 33 lldb::addr_t sp, 34 lldb::addr_t func_addr, 35 lldb::addr_t return_addr, 36 lldb::addr_t *arg1_ptr = NULL, 37 lldb::addr_t *arg2_ptr = NULL, 38 lldb::addr_t *arg3_ptr = NULL, 39 lldb::addr_t *arg4_ptr = NULL, 40 lldb::addr_t *arg5_ptr = NULL, 41 lldb::addr_t *arg6_ptr = NULL) const; 42 43 virtual bool 44 PrepareNormalCall (lldb_private::Thread &thread, 45 lldb::addr_t sp, 46 lldb::addr_t func_addr, 47 lldb::addr_t return_addr, 48 lldb_private::ValueList &args) const; 49 50 virtual bool 51 GetArgumentValues (lldb_private::Thread &thread, 52 lldb_private::ValueList &values) const; 53 54 virtual lldb_private::Error 55 SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value); 56 57 protected: 58 virtual lldb::ValueObjectSP 59 GetReturnValueObjectImpl (lldb_private::Thread &thread, 60 lldb_private::ClangASTType &ast_type) const; 61 62 public: 63 64 virtual bool 65 CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan); 66 67 virtual bool 68 CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan); 69 70 virtual bool 71 RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info); 72 73 virtual bool 74 StackUsesFrames () 75 { 76 return true; 77 } 78 79 virtual bool 80 CallFrameAddressIsValid (lldb::addr_t cfa) 81 { 82 // Make sure the stack call frame addresses are are 8 byte aligned 83 if (cfa & (8ull - 1ull)) 84 return false; // Not 8 byte aligned 85 if (cfa == 0) 86 return false; // Zero is not a valid stack address 87 return true; 88 } 89 90 virtual bool 91 CodeAddressIsValid (lldb::addr_t pc) 92 { 93 // Just make sure the address is a valid 32 bit address. 94 return pc <= UINT32_MAX; 95 } 96 97 virtual bool 98 FunctionCallsChangeCFA () 99 { 100 return true; 101 } 102 103 virtual const lldb_private::RegisterInfo * 104 GetRegisterInfoArray (uint32_t &count); 105 106 //------------------------------------------------------------------ 107 // Static Functions 108 //------------------------------------------------------------------ 109 static void 110 Initialize(); 111 112 static void 113 Terminate(); 114 115 static lldb::ABISP 116 CreateInstance (const lldb_private::ArchSpec &arch); 117 118 //------------------------------------------------------------------ 119 // PluginInterface protocol 120 //------------------------------------------------------------------ 121 static lldb_private::ConstString 122 GetPluginNameStatic (); 123 124 virtual lldb_private::ConstString 125 GetPluginName(); 126 127 virtual uint32_t 128 GetPluginVersion(); 129 130 protected: 131 bool 132 RegisterIsCalleeSaved (const lldb_private::RegisterInfo *reg_info); 133 134 private: 135 ABIMacOSX_i386() : lldb_private::ABI() { } // Call CreateInstance instead. 136 }; 137 138 139 #endif // liblldb_ABI_h_ 140
