xref: /freebsd/contrib/llvm-project/lldb/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.h (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
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
58