llvm-project/lldb/source/DataFormatters/CXXFunctionPointer.cpp

57 lines
1.9 KiB
C++

//===-- CXXFunctionPointer.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/DataFormatters/CXXFunctionPointer.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Target/SectionLoadList.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/Stream.h"
#include <string>
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;
bool lldb_private::formatters::CXXFunctionPointerSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
std::string destination;
StreamString sstr;
AddressType func_ptr_address_type = eAddressTypeInvalid;
addr_t func_ptr_address = valobj.GetPointerValue(&func_ptr_address_type);
if (func_ptr_address != 0 && func_ptr_address != LLDB_INVALID_ADDRESS) {
switch (func_ptr_address_type) {
case eAddressTypeInvalid:
case eAddressTypeFile:
case eAddressTypeHost:
break;
case eAddressTypeLoad: {
ExecutionContext exe_ctx(valobj.GetExecutionContextRef());
Address so_addr;
Target *target = exe_ctx.GetTargetPtr();
if (target && !target->GetSectionLoadList().IsEmpty()) {
if (target->GetSectionLoadList().ResolveLoadAddress(func_ptr_address,
so_addr)) {
so_addr.Dump(&sstr, exe_ctx.GetBestExecutionContextScope(),
Address::DumpStyleResolvedDescription,
Address::DumpStyleSectionNameOffset);
}
}
} break;
}
}
if (sstr.GetSize() > 0) {
stream.Printf("(%s)", sstr.GetData());
return true;
} else
return false;
}