contrib/llvm/tools/lldb/source/Core/AddressResolverFileLine.cpp

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