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