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