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 "lldb/DataFormatters/CXXFunctionPointer.h"
11 
12 #include "lldb/Core/Stream.h"
13 #include "lldb/Core/ValueObject.h"
14 #include "lldb/Target/SectionLoadList.h"
15 #include "lldb/Target/Target.h"
16 
17 #include <string>
18 
19 using namespace lldb;
20 using namespace lldb_private;
21 using namespace lldb_private::formatters;
22 
23 bool
24 lldb_private::formatters::CXXFunctionPointerSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
25 {
26     std::string destination;
27     StreamString sstr;
28     AddressType func_ptr_address_type = eAddressTypeInvalid;
29     addr_t func_ptr_address = valobj.GetPointerValue (&func_ptr_address_type);
30     if (func_ptr_address != 0 && func_ptr_address != LLDB_INVALID_ADDRESS)
31     {
32         switch (func_ptr_address_type)
33         {
34             case eAddressTypeInvalid:
35             case eAddressTypeFile:
36             case eAddressTypeHost:
37                 break;
38 
39             case eAddressTypeLoad:
40             {
41                 ExecutionContext exe_ctx (valobj.GetExecutionContextRef());
42 
43                 Address so_addr;
44                 Target *target = exe_ctx.GetTargetPtr();
45                 if (target && target->GetSectionLoadList().IsEmpty() == false)
46                 {
47                     if (target->GetSectionLoadList().ResolveLoadAddress(func_ptr_address, so_addr))
48                     {
49                         so_addr.Dump (&sstr,
50                                       exe_ctx.GetBestExecutionContextScope(),
51                                       Address::DumpStyleResolvedDescription,
52                                       Address::DumpStyleSectionNameOffset);
53                     }
54                 }
55             }
56                 break;
57         }
58     }
59     if (sstr.GetSize() > 0)
60     {
61         stream.Printf("(%s)", sstr.GetData());
62         return true;
63     }
64     else
65         return false;
66 }
67