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