1 //===-- CXXFormatterFunctions.cpp---------------------------------*- C++
2 //-*-===//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 
11 #include "lldb/DataFormatters/CXXFunctionPointer.h"
12 
13 #include "lldb/Core/Stream.h"
14 #include "lldb/Core/ValueObject.h"
15 #include "lldb/Target/SectionLoadList.h"
16 #include "lldb/Target/Target.h"
17 
18 #include <string>
19 
20 using namespace lldb;
21 using namespace lldb_private;
22 using namespace lldb_private::formatters;
23 
24 bool lldb_private::formatters::CXXFunctionPointerSummaryProvider(
25     ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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     switch (func_ptr_address_type) {
32     case eAddressTypeInvalid:
33     case eAddressTypeFile:
34     case eAddressTypeHost:
35       break;
36 
37     case eAddressTypeLoad: {
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         if (target->GetSectionLoadList().ResolveLoadAddress(func_ptr_address,
44                                                             so_addr)) {
45           so_addr.Dump(&sstr, exe_ctx.GetBestExecutionContextScope(),
46                        Address::DumpStyleResolvedDescription,
47                        Address::DumpStyleSectionNameOffset);
48         }
49       }
50     } break;
51     }
52   }
53   if (sstr.GetSize() > 0) {
54     stream.Printf("(%s)", sstr.GetData());
55     return true;
56   } else
57     return false;
58 }
59