diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/Core/AddressResolverFileLine.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/Core/AddressResolverFileLine.cpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Core/AddressResolverFileLine.cpp b/contrib/llvm-project/lldb/source/Core/AddressResolverFileLine.cpp new file mode 100644 index 000000000000..6ab3b8fcee15 --- /dev/null +++ b/contrib/llvm-project/lldb/source/Core/AddressResolverFileLine.cpp @@ -0,0 +1,76 @@ +//===-- AddressResolverFileLine.cpp ---------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "lldb/Core/AddressResolverFileLine.h" + +#include "lldb/Core/Address.h" +#include "lldb/Core/AddressRange.h" +#include "lldb/Symbol/CompileUnit.h" +#include "lldb/Symbol/LineEntry.h" +#include "lldb/Symbol/SymbolContext.h" +#include "lldb/Utility/ConstString.h" +#include "lldb/Utility/LLDBLog.h" +#include "lldb/Utility/Log.h" +#include "lldb/Utility/Stream.h" +#include "lldb/Utility/StreamString.h" +#include "lldb/lldb-enumerations.h" +#include "lldb/lldb-types.h" + +#include <cinttypes> +#include <vector> + +using namespace lldb; +using namespace lldb_private; + +// AddressResolverFileLine: +AddressResolverFileLine::AddressResolverFileLine( + SourceLocationSpec location_spec) + : AddressResolver(), m_src_location_spec(location_spec) {} + +AddressResolverFileLine::~AddressResolverFileLine() = default; + +Searcher::CallbackReturn +AddressResolverFileLine::SearchCallback(SearchFilter &filter, + SymbolContext &context, Address *addr) { + SymbolContextList sc_list; + CompileUnit *cu = context.comp_unit; + + Log *log = GetLog(LLDBLog::Breakpoints); + + // TODO: Handle SourceLocationSpec column information + cu->ResolveSymbolContext(m_src_location_spec, eSymbolContextEverything, + sc_list); + for (const SymbolContext &sc : sc_list) { + Address line_start = sc.line_entry.range.GetBaseAddress(); + addr_t byte_size = sc.line_entry.range.GetByteSize(); + if (line_start.IsValid()) { + AddressRange new_range(line_start, byte_size); + m_address_ranges.push_back(new_range); + } else { + LLDB_LOGF(log, + "error: Unable to resolve address at file address 0x%" PRIx64 + " for %s:%d\n", + line_start.GetFileAddress(), + m_src_location_spec.GetFileSpec().GetFilename().AsCString( + "<Unknown>"), + m_src_location_spec.GetLine().value_or(0)); + } + } + return Searcher::eCallbackReturnContinue; +} + +lldb::SearchDepth AddressResolverFileLine::GetDepth() { + return lldb::eSearchDepthCompUnit; +} + +void AddressResolverFileLine::GetDescription(Stream *s) { + s->Printf( + "File and line address - file: \"%s\" line: %u", + m_src_location_spec.GetFileSpec().GetFilename().AsCString("<Unknown>"), + m_src_location_spec.GetLine().value_or(0)); +} |