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usr / src / contrib / llvm-project / lldb / include / lldb / Target /

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📄 ABI.h(7 KB)
📄 AssertFrameRecognizer.h(1.79 KB)
📄 DynamicLoader.h(12.8 KB)
📄 ExecutionContext.h(23.91 KB)
📄 ExecutionContextScope.h(2.07 KB)
📄 InstrumentationRuntime.h(3.06 KB)
📄 InstrumentationRuntimeStopInfo.h(1.3 KB)
📄 JITLoader.h(2.15 KB)
📄 JITLoaderList.h(1.17 KB)
📄 Language.h(9.42 KB)
📄 LanguageRuntime.h(6.71 KB)
📄 Memory.h(4.66 KB)
📄 MemoryHistory.h(998 B)
📄 MemoryRegionInfo.h(4.76 KB)
📄 ModuleCache.h(2.42 KB)
📄 OperatingSystem.h(2.66 KB)
📄 PathMappingList.h(4.09 KB)
📄 Platform.h(42.4 KB)
📄 Process.h(110.8 KB)
📄 ProcessStructReader.h(3.27 KB)
📄 Queue.h(5.04 KB)
📄 QueueItem.h(5.24 KB)
📄 QueueList.h(3.32 KB)
📄 RegisterCheckpoint.h(1.89 KB)
📄 RegisterContext.h(7.73 KB)
📄 RegisterContextUnwind.h(9.73 KB)
📄 RegisterNumber.h(1.71 KB)
📄 RemoteAwarePlatform.h(3.76 KB)
📄 SectionLoadHistory.h(2.79 KB)
📄 SectionLoadList.h(2.36 KB)
📄 StackFrame.h(20.05 KB)
📄 StackFrameList.h(5.83 KB)
📄 StackFrameRecognizer.h(5.65 KB)
📄 StackID.h(3.16 KB)
📄 StopInfo.h(6.92 KB)
📄 StructuredDataPlugin.h(7.14 KB)
📄 SystemRuntime.h(11.83 KB)
📄 Target.h(49.2 KB)
📄 TargetList.h(7.75 KB)
📄 Thread.h(49.21 KB)
📄 ThreadCollection.h(1.63 KB)
📄 ThreadList.h(4.65 KB)
📄 ThreadPlan.h(24.41 KB)
📄 ThreadPlanBase.h(1.79 KB)
📄 ThreadPlanCallFunction.h(5.55 KB)
📄 ThreadPlanCallFunctionUsingABI.h(1.98 KB)
📄 ThreadPlanCallOnFunctionExit.h(1.56 KB)
📄 ThreadPlanCallUserExpression.h(2.21 KB)
📄 ThreadPlanPython.h(2.11 KB)
📄 ThreadPlanRunToAddress.h(2.04 KB)
📄 ThreadPlanShouldStopHere.h(5.02 KB)
📄 ThreadPlanStack.h(5.48 KB)
📄 ThreadPlanStepInRange.h(4.66 KB)
📄 ThreadPlanStepInstruction.h(1.86 KB)
📄 ThreadPlanStepOut.h(3.67 KB)
📄 ThreadPlanStepOverBreakpoint.h(1.84 KB)
📄 ThreadPlanStepOverRange.h(1.83 KB)
📄 ThreadPlanStepRange.h(3.69 KB)
📄 ThreadPlanStepThrough.h(1.97 KB)
📄 ThreadPlanStepUntil.h(2.12 KB)
📄 ThreadPlanTracer.h(2.32 KB)
📄 ThreadSpec.h(3.35 KB)
📄 UnixSignals.h(4.25 KB)
📄 Unwind.h(2.4 KB)
📄 UnwindAssembly.h(1.81 KB)
📄 UnwindLLDB.h(5.69 KB)

Editing: ProcessStructReader.h

//===---------------------ProcessStructReader.h ------------------*- 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
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_TARGET_PROCESSSTRUCTREADER_H
#define LLDB_TARGET_PROCESSSTRUCTREADER_H

#include "lldb/lldb-defines.h"
#include "lldb/lldb-types.h"

#include "lldb/Symbol/CompilerType.h"
#include "lldb/Target/Process.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/Utility/Status.h"

#include <initializer_list>
#include <map>
#include <string>

namespace lldb_private {
class ProcessStructReader {
protected:
  struct FieldImpl {
    CompilerType type;
    size_t offset;
    size_t size;
  };

std::map<ConstString, FieldImpl> m_fields;
  DataExtractor m_data;
  lldb::ByteOrder m_byte_order;
  size_t m_addr_byte_size;

public:
  ProcessStructReader(Process *process, lldb::addr_t base_addr,
                      CompilerType struct_type) {
    if (!process)
      return;
    if (base_addr == 0 || base_addr == LLDB_INVALID_ADDRESS)
      return;
    m_byte_order = process->GetByteOrder();
    m_addr_byte_size = process->GetAddressByteSize();

for (size_t idx = 0; idx < struct_type.GetNumFields(); idx++) {
      std::string name;
      uint64_t bit_offset;
      uint32_t bitfield_bit_size;
      bool is_bitfield;
      CompilerType field_type = struct_type.GetFieldAtIndex(
          idx, name, &bit_offset, &bitfield_bit_size, &is_bitfield);
      // no support for bitfields in here (yet)
      if (is_bitfield)
        return;
      auto size = field_type.GetByteSize(nullptr);
      // no support for things larger than a uint64_t (yet)
      if (!size || *size > 8)
        return;
      ConstString const_name = ConstString(name.c_str());
      size_t byte_index = static_cast<size_t>(bit_offset / 8);
      m_fields[const_name] =
          FieldImpl{field_type, byte_index, static_cast<size_t>(*size)};
    }
    auto total_size = struct_type.GetByteSize(nullptr);
    if (!total_size)
      return;
    lldb::DataBufferSP buffer_sp(new DataBufferHeap(*total_size, 0));
    Status error;
    process->ReadMemoryFromInferior(base_addr, buffer_sp->GetBytes(),
                                    *total_size, error);
    if (error.Fail())
      return;
    m_data = DataExtractor(buffer_sp, m_byte_order, m_addr_byte_size);
  }

template <typename RetType>
  RetType GetField(ConstString name, RetType fail_value = RetType()) {
    auto iter = m_fields.find(name), end = m_fields.end();
    if (iter == end)
      return fail_value;
    auto size = iter->second.size;
    if (sizeof(RetType) < size)
      return fail_value;
    lldb::offset_t offset = iter->second.offset;
    if (offset + size > m_data.GetByteSize())
      return fail_value;
    return (RetType)(m_data.GetMaxU64(&offset, size));
  }

size_t GetOffsetOf(ConstString name, size_t fail_value = SIZE_MAX) {
    auto iter = m_fields.find(name), end = m_fields.end();
    if (iter == end)
      return fail_value;
    return iter->second.offset;
  }
};
}

#endif // LLDB_TARGET_PROCESSSTRUCTREADER_H

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Editing: ProcessStructReader.h

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