lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.h

   1 //===-- DWARFLocationExpression.h -------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_DWARFLOCATIONEXPRESSION_H
  10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_NATIVEPDB_DWARFLOCATIONEXPRESSION_H
  11
  12 #include "lldb/lldb-forward.h"
  13 #include "llvm/ADT/ArrayRef.h"
  14 #include "llvm/DebugInfo/CodeView/CodeView.h"
  15 #include <map>
  16
  17 namespace llvm {
  18 class APSInt;
  19 class StringRef;
  20 namespace codeview {
  21 class TypeIndex;
  22 }
  23 namespace pdb {
  24 class TpiStream;
  25 }
  26 } // namespace llvm
  27 namespace lldb_private {
  28 namespace npdb {
  29 struct MemberValLocation {
  30   uint16_t reg_id;
  31   uint16_t reg_offset;
  32   bool is_at_reg = true;
  33 };
  34
  35 DWARFExpression
  36 MakeEnregisteredLocationExpression(llvm::codeview::RegisterId reg,
  37                                    lldb::ModuleSP module);
  38
  39 DWARFExpression MakeRegRelLocationExpression(llvm::codeview::RegisterId reg,
  40                                              int32_t offset,
  41                                              lldb::ModuleSP module);
  42 DWARFExpression MakeVFrameRelLocationExpression(llvm::StringRef fpo_program,
  43                                                 int32_t offset,
  44                                                 lldb::ModuleSP module);
  45 DWARFExpression MakeGlobalLocationExpression(uint16_t section, uint32_t offset,
  46                                              lldb::ModuleSP module);
  47 DWARFExpression MakeConstantLocationExpression(
  48     llvm::codeview::TypeIndex underlying_ti, llvm::pdb::TpiStream &tpi,
  49     const llvm::APSInt &constant, lldb::ModuleSP module);
  50 DWARFExpression MakeEnregisteredLocationExpressionForComposite(
  51     const std::map<uint64_t, MemberValLocation> &offset_to_location,
  52     std::map<uint64_t, size_t> &offset_to_size, size_t total_size,
  53     lldb::ModuleSP module);
  54 } // namespace npdb
  55 } // namespace lldb_private
  56
  57 #endif