0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//===--- LayoutOverrideSource.h --Override Record Layouts -----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_LAYOUTOVERRIDESOURCE_H
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#define LLVM_CLANG_FRONTEND_LAYOUTOVERRIDESOURCE_H
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#include "clang/AST/ExternalASTSource.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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namespace clang {
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/// \brief An external AST source that overrides the layout of
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/// a specified set of record types.
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///
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/// This class is used only for testing the ability of external AST sources
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/// to override the layout of record types. Its input is the output format
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/// of the command-line argument -fdump-record-layouts.
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class LayoutOverrideSource : public ExternalASTSource {
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/// \brief The layout of a given record.
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struct Layout {
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/// \brief The size of the record.
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uint64_t Size;
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/// \brief The alignment of the record.
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uint64_t Align;
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/// \brief The offsets of the fields, in source order.
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SmallVector<uint64_t, 8> FieldOffsets;
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};
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/// \brief The set of layouts that will be overridden.
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llvm::StringMap<Layout> Layouts;
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public:
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/// \brief Create a new AST source that overrides the layout of some
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/// set of record types.
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///
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/// The file is the result of passing -fdump-record-layouts to a file.
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explicit LayoutOverrideSource(StringRef Filename);
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/// \brief If this particular record type has an overridden layout,
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/// return that layout.
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bool
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layoutRecordType(const RecordDecl *Record,
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uint64_t &Size, uint64_t &Alignment,
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llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets,
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llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets,
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llvm::DenseMap<const CXXRecordDecl *,
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CharUnits> &VirtualBaseOffsets) override;
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/// \brief Dump the overridden layouts.
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void dump();
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};
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}
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#endif
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