1 //===-- ABI.cpp -------------------------------------------------*- 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 #include "lldb/Target/ABI.h"
11 #include "lldb/Core/PluginManager.h"
12 
13 using namespace lldb;
14 using namespace lldb_private;
15 
16 ABISP
17 ABI::FindPlugin (const ArchSpec &arch)
18 {
19     ABISP abi_sp;
20     ABICreateInstance create_callback;
21 
22     for (uint32_t idx = 0;
23          (create_callback = PluginManager::GetABICreateCallbackAtIndex(idx)) != NULL;
24          ++idx)
25     {
26         abi_sp = create_callback(arch);
27 
28         if (abi_sp)
29             return abi_sp;
30     }
31     abi_sp.reset();
32     return abi_sp;
33 }
34 
35 //----------------------------------------------------------------------
36 // Constructor
37 //----------------------------------------------------------------------
38 ABI::ABI()
39 {
40 }
41 
42 //----------------------------------------------------------------------
43 // Destructor
44 //----------------------------------------------------------------------
45 ABI::~ABI()
46 {
47 }
48 
49 
50 bool
51 ABI::GetRegisterInfoByName (const ConstString &name, RegisterInfo &info)
52 {
53     uint32_t count = 0;
54     const RegisterInfo *register_info_array = GetRegisterInfoArray (count);
55     if (register_info_array)
56     {
57         const char *unique_name_cstr = name.GetCString();
58         uint32_t i;
59         for (i=0; i<count; ++i)
60         {
61             if (register_info_array[i].name == unique_name_cstr)
62             {
63                 info = register_info_array[i];
64                 return true;
65             }
66         }
67         for (i=0; i<count; ++i)
68         {
69             if (register_info_array[i].alt_name == unique_name_cstr)
70             {
71                 info = register_info_array[i];
72                 return true;
73             }
74         }
75     }
76     return false;
77 }
78 
79 bool
80 ABI::GetRegisterInfoByKind (RegisterKind reg_kind, uint32_t reg_num, RegisterInfo &info)
81 {
82     if (reg_kind < eRegisterKindGCC || reg_kind >= kNumRegisterKinds)
83         return false;
84 
85     uint32_t count = 0;
86     const RegisterInfo *register_info_array = GetRegisterInfoArray (count);
87     if (register_info_array)
88     {
89         for (uint32_t i=0; i<count; ++i)
90         {
91             if (register_info_array[i].kinds[reg_kind] == reg_num)
92             {
93                 info = register_info_array[i];
94                 return true;
95             }
96         }
97     }
98     return false;
99 }
100