contrib/llvm/tools/lldb/source/Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h

   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_