1 //===-- CXXFormatterFunctions.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 "CXXFunctionPointer.h"
11 #include "lldb/Target/SectionLoadList.h"
12 #include "lldb/Target/Target.h"
13 
14 #include <string>
15 
16 using namespace lldb;
17 using namespace lldb_private;
18 using namespace lldb_private::formatters;
19 
20 bool
21 lldb_private::formatters::CXXFunctionPointerSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
22 {
23     std::string destination;
24     StreamString sstr;
25     AddressType func_ptr_address_type = eAddressTypeInvalid;
26     addr_t func_ptr_address = valobj.GetPointerValue (&func_ptr_address_type);
27     if (func_ptr_address != 0 && func_ptr_address != LLDB_INVALID_ADDRESS)
28     {
29         switch (func_ptr_address_type)
30         {
31             case eAddressTypeInvalid:
32             case eAddressTypeFile:
33             case eAddressTypeHost:
34                 break;
35 
36             case eAddressTypeLoad:
37             {
38                 ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
39 
40                 Address so_addr;
41                 Target *target = exe_ctx.GetTargetPtr();
42                 if (target && target->GetSectionLoadList().IsEmpty() == false)
43                 {
44                     if (target->GetSectionLoadList().ResolveLoadAddress(func_ptr_address, so_addr))
45                     {
46                         so_addr.Dump (&sstr,
47                                       exe_ctx.GetBestExecutionContextScope(),
48                                       Address::DumpStyleResolvedDescription,
49                                       Address::DumpStyleSectionNameOffset);
50                     }
51                 }
52             }
53                 break;
54         }
55     }
56     if (sstr.GetSize() > 0)
57     {
58         stream.Printf("(%s)", sstr.GetData());
59         return true;
60     }
61     else
62         return false;
63 }
64