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