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