llvm-project/lldb/source/Core/AddressResolverFileLine.cpp

85 lines
3.0 KiB
C++

//===-- AddressResolverFileLine.cpp -----------------------------*- C++ -*-===//
//
// 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/Log.h"
#include "lldb/Utility/Logging.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-types.h"
#include <inttypes.h>
#include <vector>
using namespace lldb;
using namespace lldb_private;
// AddressResolverFileLine:
AddressResolverFileLine::AddressResolverFileLine(const FileSpec &file_spec,
uint32_t line_no,
bool check_inlines)
: AddressResolver(), m_file_spec(file_spec), m_line_number(line_no),
m_inlines(check_inlines) {}
AddressResolverFileLine::~AddressResolverFileLine() {}
Searcher::CallbackReturn
AddressResolverFileLine::SearchCallback(SearchFilter &filter,
SymbolContext &context, Address *addr) {
SymbolContextList sc_list;
uint32_t sc_list_size;
CompileUnit *cu = context.comp_unit;
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
sc_list_size =
cu->ResolveSymbolContext(m_file_spec, m_line_number, m_inlines, false,
eSymbolContextEverything, sc_list);
for (uint32_t i = 0; i < sc_list_size; i++) {
SymbolContext sc;
if (sc_list.GetContextAtIndex(i, sc)) {
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);
if (log) {
StreamString s;
// new_bp_loc->GetDescription (&s, lldb::eDescriptionLevelVerbose);
// LLDB_LOGF(log, "Added address: %s\n", s.GetData());
}
} else {
LLDB_LOGF(log,
"error: Unable to resolve address at file address 0x%" PRIx64
" for %s:%d\n",
line_start.GetFileAddress(),
m_file_spec.GetFilename().AsCString("<Unknown>"),
m_line_number);
}
}
}
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_file_spec.GetFilename().AsCString("<Unknown>"), m_line_number);
}