Alex Langford
f9b5264523
This finishes the removal of ConstString from FileSpec's interface. Note that FileSpec is still _backed_ by ConstStrings, that will be changed in a follow-up. A non-goal for this change is to rewrite business logic, so I kept the type of some variables as ConstString where a refactor would necessary to change that. I converted printf-style formatting to formatv-style formatting where required, and otherwise tried to leave callsites alone to the extent that was possible.
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
//===-- AddressResolverFileLine.cpp ---------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/AddressResolverFileLine.h"
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#include "lldb/Core/Address.h"
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#include "lldb/Core/AddressRange.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Symbol/LineEntry.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Utility/ConstString.h"
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#include "lldb/Utility/LLDBLog.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/Stream.h"
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#include "lldb/Utility/StreamString.h"
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#include "lldb/lldb-enumerations.h"
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#include "lldb/lldb-types.h"
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#include <cinttypes>
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#include <vector>
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using namespace lldb;
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using namespace lldb_private;
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// AddressResolverFileLine:
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AddressResolverFileLine::AddressResolverFileLine(
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SourceLocationSpec location_spec)
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: AddressResolver(), m_src_location_spec(location_spec) {}
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AddressResolverFileLine::~AddressResolverFileLine() = default;
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Searcher::CallbackReturn
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AddressResolverFileLine::SearchCallback(SearchFilter &filter,
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SymbolContext &context, Address *addr) {
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SymbolContextList sc_list;
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CompileUnit *cu = context.comp_unit;
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Log *log = GetLog(LLDBLog::Breakpoints);
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// TODO: Handle SourceLocationSpec column information
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cu->ResolveSymbolContext(m_src_location_spec, eSymbolContextEverything,
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sc_list);
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for (const SymbolContext &sc : sc_list) {
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Address line_start = sc.line_entry.range.GetBaseAddress();
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addr_t byte_size = sc.line_entry.range.GetByteSize();
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if (line_start.IsValid()) {
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AddressRange new_range(line_start, byte_size);
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m_address_ranges.push_back(new_range);
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} else {
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LLDB_LOG(log,
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"error: Unable to resolve address at file address {0:x}"
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" for {1}:{2}\n",
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line_start.GetFileAddress(),
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m_src_location_spec.GetFileSpec().GetFilename().nonEmptyOr(
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"<Unknown>"),
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m_src_location_spec.GetLine().value_or(0));
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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lldb::SearchDepth AddressResolverFileLine::GetDepth() {
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return lldb::eSearchDepthCompUnit;
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}
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void AddressResolverFileLine::GetDescription(Stream *s) {
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s->Format(
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"File and line address - file: \"{0}\" line: {1}",
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m_src_location_spec.GetFileSpec().GetFilename().nonEmptyOr("<Unknown>"),
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m_src_location_spec.GetLine().value_or(0));
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}
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