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ea64a9b812
This is the beginning of an effort to move the codeview yaml reader / writer into ObjectYAML so that it can be shared. Currently the only consumer / producer of CodeView YAML is llvm-pdbdump, but CodeView can exist outside of PDB files, and indeed is put into object files and passed to the linker to produce PDB files. Furthermore, there are subtle differences in the types of records that show up in object file CodeView vs PDB file CodeView, but they are otherwise 99% the same. By having this code in ObjectYAML, we can have llvm-pdbdump reuse this code, while teaching obj2yaml and yaml2obj to use this syntax for dealing with object files that can contain CodeView. This patch only adds support for CodeView type information to ObjectYAML. Subsequent patches will add support for CodeView symbol information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304248 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
//===- SymbolVisitorCallbacks.h ---------------------------------*- C++ -*-===//
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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_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKS_H
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#define LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKS_H
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#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace codeview {
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class SymbolVisitorCallbacks {
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friend class CVSymbolVisitor;
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public:
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virtual ~SymbolVisitorCallbacks() = default;
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/// Action to take on unknown symbols. By default, they are ignored.
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virtual Error visitUnknownSymbol(CVSymbol &Record) {
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return Error::success();
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}
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/// Paired begin/end actions for all symbols. Receives all record data,
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/// including the fixed-length record prefix. visitSymbolBegin() should
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/// return
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/// the type of the Symbol, or an error if it cannot be determined.
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virtual Error visitSymbolBegin(CVSymbol &Record) { return Error::success(); }
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virtual Error visitSymbolEnd(CVSymbol &Record) { return Error::success(); }
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#define SYMBOL_RECORD(EnumName, EnumVal, Name) \
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virtual Error visitKnownRecord(CVSymbol &CVR, Name &Record) { \
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return Error::success(); \
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}
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#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
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#include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
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};
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} // end namespace codeview
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKS_H
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