1//===-- AddressResolverFileLine.cpp ---------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Core/AddressResolverFileLine.h"
10
11#include "lldb/Core/Address.h"
12#include "lldb/Core/AddressRange.h"
13#include "lldb/Symbol/CompileUnit.h"
14#include "lldb/Symbol/LineEntry.h"
15#include "lldb/Symbol/SymbolContext.h"
16#include "lldb/Utility/ConstString.h"
17#include "lldb/Utility/LLDBLog.h"
18#include "lldb/Utility/Log.h"
19#include "lldb/Utility/Stream.h"
20#include "lldb/Utility/StreamString.h"
21#include "lldb/lldb-enumerations.h"
22#include "lldb/lldb-types.h"
23
24#include <cinttypes>
25#include <vector>
26
27using namespace lldb;
28using namespace lldb_private;
29
30// AddressResolverFileLine:
31AddressResolverFileLine::AddressResolverFileLine(
32    SourceLocationSpec location_spec)
33    : AddressResolver(), m_src_location_spec(location_spec) {}
34
35AddressResolverFileLine::~AddressResolverFileLine() = default;
36
37Searcher::CallbackReturn
38AddressResolverFileLine::SearchCallback(SearchFilter &filter,
39                                        SymbolContext &context, Address *addr) {
40  SymbolContextList sc_list;
41  CompileUnit *cu = context.comp_unit;
42
43  Log *log = GetLog(LLDBLog::Breakpoints);
44
45  // TODO: Handle SourceLocationSpec column information
46  cu->ResolveSymbolContext(m_src_location_spec, eSymbolContextEverything,
47                           sc_list);
48  for (const SymbolContext &sc : sc_list) {
49    Address line_start = sc.line_entry.range.GetBaseAddress();
50    addr_t byte_size = sc.line_entry.range.GetByteSize();
51    if (line_start.IsValid()) {
52      AddressRange new_range(line_start, byte_size);
53      m_address_ranges.push_back(new_range);
54    } else {
55      LLDB_LOGF(log,
56                "error: Unable to resolve address at file address 0x%" PRIx64
57                " for %s:%d\n",
58                line_start.GetFileAddress(),
59                m_src_location_spec.GetFileSpec().GetFilename().AsCString(
60                    "<Unknown>"),
61                m_src_location_spec.GetLine().value_or(0));
62    }
63  }
64  return Searcher::eCallbackReturnContinue;
65}
66
67lldb::SearchDepth AddressResolverFileLine::GetDepth() {
68  return lldb::eSearchDepthCompUnit;
69}
70
71void AddressResolverFileLine::GetDescription(Stream *s) {
72  s->Printf(
73      "File and line address - file: \"%s\" line: %u",
74      m_src_location_spec.GetFileSpec().GetFilename().AsCString("<Unknown>"),
75      m_src_location_spec.GetLine().value_or(0));
76}
77