xref: /llvm-project/lldb/source/Core/AddressResolverFileLine.cpp (revision 3294de270e86c0d060f6ca3cf43294286ae68222)
1 //===-- AddressResolverFileLine.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/Core/AddressResolverFileLine.h"
11 
12 // Project includes
13 #include "lldb/Core/Log.h"
14 #include "lldb/Core/StreamString.h"
15 #include "lldb/Symbol/CompileUnit.h"
16 #include "lldb/Symbol/SymbolContext.h"
17 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 //----------------------------------------------------------------------
22 // AddressResolverFileLine:
23 //----------------------------------------------------------------------
24 AddressResolverFileLine::AddressResolverFileLine
25 (
26     const FileSpec &file_spec,
27     uint32_t line_no,
28     bool check_inlines
29 ) :
30     AddressResolver (),
31     m_file_spec (file_spec),
32     m_line_number (line_no),
33     m_inlines (check_inlines)
34 {
35 }
36 
37 AddressResolverFileLine::~AddressResolverFileLine ()
38 {
39 }
40 
41 Searcher::CallbackReturn
42 AddressResolverFileLine::SearchCallback
43 (
44     SearchFilter &filter,
45     SymbolContext &context,
46     Address *addr,
47     bool containing
48 )
49 {
50     SymbolContextList sc_list;
51     uint32_t sc_list_size;
52     CompileUnit *cu = context.comp_unit;
53 
54     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
55 
56     sc_list_size = cu->ResolveSymbolContext (m_file_spec, m_line_number, m_inlines, false, eSymbolContextEverything,
57                                              sc_list);
58     for (uint32_t i = 0; i < sc_list_size; i++)
59     {
60         SymbolContext sc;
61         if (sc_list.GetContextAtIndex(i, sc))
62         {
63             Address line_start = sc.line_entry.range.GetBaseAddress();
64             addr_t byte_size = sc.line_entry.range.GetByteSize();
65             if (line_start.IsValid())
66             {
67                 AddressRange new_range (line_start, byte_size);
68                 m_address_ranges.push_back (new_range);
69                 if (log)
70                 {
71                     StreamString s;
72                     //new_bp_loc->GetDescription (&s, lldb::eDescriptionLevelVerbose);
73                     //log->Printf ("Added address: %s\n", s.GetData());
74                 }
75             }
76             else
77             {
78                 if (log)
79                   log->Printf ("error: Unable to resolve address at file address 0x%" PRIx64 " for %s:%d\n",
80                                line_start.GetFileAddress(),
81                                m_file_spec.GetFilename().AsCString("<Unknown>"),
82                                m_line_number);
83             }
84         }
85     }
86     return Searcher::eCallbackReturnContinue;
87 }
88 
89 Searcher::Depth
90 AddressResolverFileLine::GetDepth()
91 {
92     return Searcher::eDepthCompUnit;
93 }
94 
95 void
96 AddressResolverFileLine::GetDescription (Stream *s)
97 {
98     s->Printf ("File and line address - file: \"%s\" line: %u", m_file_spec.GetFilename().AsCString("<Unknown>"), m_line_number);
99 }
100 
101 
102