1 //===-- BreakpointResolverFileLine.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/Breakpoint/BreakpointResolverFileLine.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Breakpoint/BreakpointLocation.h"
17 #include "lldb/Core/Log.h"
18 #include "lldb/Core/StreamString.h"
19 #include "lldb/lldb-private-log.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 //----------------------------------------------------------------------
25 // BreakpointResolverFileLine:
26 //----------------------------------------------------------------------
27 BreakpointResolverFileLine::BreakpointResolverFileLine
28 (
29     Breakpoint *bkpt,
30     const FileSpec &file_spec,
31     uint32_t line_no,
32     bool check_inlines
33 ) :
34     BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver),
35     m_file_spec (file_spec),
36     m_line_number (line_no),
37     m_inlines (check_inlines)
38 {
39 }
40 
41 BreakpointResolverFileLine::~BreakpointResolverFileLine ()
42 {
43 }
44 
45 Searcher::CallbackReturn
46 BreakpointResolverFileLine::SearchCallback
47 (
48     SearchFilter &filter,
49     SymbolContext &context,
50     Address *addr,
51     bool containing
52 )
53 {
54     SymbolContextList sc_list;
55     uint32_t sc_list_size;
56     CompileUnit *cu = context.comp_unit;
57 
58     assert (m_breakpoint != NULL);
59     LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
60 
61     sc_list_size = cu->ResolveSymbolContext (m_file_spec, m_line_number, m_inlines, false, eSymbolContextEverything, sc_list);
62     for (uint32_t i = 0; i < sc_list_size; i++)
63     {
64         SymbolContext sc;
65         if (sc_list.GetContextAtIndex(i, sc))
66         {
67             Address line_start = sc.line_entry.range.GetBaseAddress();
68             if (line_start.IsValid())
69             {
70                 BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(line_start));
71                 if (log && bp_loc_sp && !m_breakpoint->IsInternal())
72                 {
73                     StreamString s;
74                     bp_loc_sp->GetDescription (&s, lldb::eDescriptionLevelVerbose);
75                     log->Printf ("Added location: %s\n", s.GetData());
76                 }
77             }
78             else
79             {
80                 if (log)
81                     log->Printf ("error: Unable to set breakpoint at file address 0x%llx for %s:%d\n",
82                                  line_start.GetFileAddress(),
83                                  m_file_spec.GetFilename().AsCString("<Unknown>"),
84                                  m_line_number);
85             }
86         }
87         else
88         {
89 #if 0
90             s << "error: Breakpoint at '" << pos->c_str() << "' isn't resolved yet: \n";
91             if (sc.line_entry.address.Dump(&s, Address::DumpStyleSectionNameOffset))
92                 s.EOL();
93             if (sc.line_entry.address.Dump(&s, Address::DumpStyleSectionPointerOffset))
94                 s.EOL();
95             if (sc.line_entry.address.Dump(&s, Address::DumpStyleFileAddress))
96                 s.EOL();
97             if (sc.line_entry.address.Dump(&s, Address::DumpStyleLoadAddress))
98                 s.EOL();
99 #endif
100         }
101     }
102     return Searcher::eCallbackReturnContinue;
103 }
104 
105 Searcher::Depth
106 BreakpointResolverFileLine::GetDepth()
107 {
108     return Searcher::eDepthCompUnit;
109 }
110 
111 void
112 BreakpointResolverFileLine::GetDescription (Stream *s)
113 {
114     s->Printf ("file ='%s', line = %u", m_file_spec.GetFilename().AsCString(), m_line_number);
115 }
116 
117 void
118 BreakpointResolverFileLine::Dump (Stream *s) const
119 {
120 
121 }
122 
123