Viewing file:  DebugUtils.h (4.74 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
//===----- DebugUtils.h - Utilities for debugging ORC JITs ------*- 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
//
//===----------------------------------------------------------------------===//
//
// Utilities for debugging ORC-based JITs.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_ORC_DEBUGUTILS_H
#define LLVM_EXECUTIONENGINE_ORC_DEBUGUTILS_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ExecutionEngine/Orc/Core.h"
#include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
#include <string>
namespace llvm {
class MemoryBuffer;
namespace orc {
// --raw_ostream operators for ORC types--
/// Render a SymbolStringPtr.
raw_ostream &operator<<(raw_ostream &OS, const SymbolStringPtr &Sym);
/// Render a NonOwningSymbolStringPtr.
raw_ostream &operator<<(raw_ostream &OS, NonOwningSymbolStringPtr Sym);
/// Render a SymbolNameSet.
raw_ostream &operator<<(raw_ostream &OS, const SymbolNameSet &Symbols);
/// Render a SymbolNameVector.
raw_ostream &operator<<(raw_ostream &OS, const SymbolNameVector &Symbols);
/// Render an array of SymbolStringPtrs.
raw_ostream &operator<<(raw_ostream &OS, ArrayRef<SymbolStringPtr> Symbols);
/// Render JITSymbolFlags.
raw_ostream &operator<<(raw_ostream &OS, const JITSymbolFlags &Flags);
/// Render a SymbolFlagsMap entry.
raw_ostream &operator<<(raw_ostream &OS, const SymbolFlagsMap::value_type &KV);
/// Render a SymbolMap entry.
raw_ostream &operator<<(raw_ostream &OS, const SymbolMap::value_type &KV);
/// Render a SymbolFlagsMap.
raw_ostream &operator<<(raw_ostream &OS, const SymbolFlagsMap &SymbolFlags);
/// Render a SymbolMap.
raw_ostream &operator<<(raw_ostream &OS, const SymbolMap &Symbols);
/// Render a SymbolDependenceMap entry.
raw_ostream &operator<<(raw_ostream &OS,
const SymbolDependenceMap::value_type &KV);
/// Render a SymbolDependendeMap.
raw_ostream &operator<<(raw_ostream &OS, const SymbolDependenceMap &Deps);
/// Render a MaterializationUnit.
raw_ostream &operator<<(raw_ostream &OS, const MaterializationUnit &MU);
//// Render a JITDylibLookupFlags instance.
raw_ostream &operator<<(raw_ostream &OS,
const JITDylibLookupFlags &JDLookupFlags);
/// Render a SymbolLookupFlags instance.
raw_ostream &operator<<(raw_ostream &OS, const SymbolLookupFlags &LookupFlags);
/// Render a SymbolLookupSet entry.
raw_ostream &operator<<(raw_ostream &OS, const SymbolLookupSet::value_type &KV);
/// Render a SymbolLookupSet.
raw_ostream &operator<<(raw_ostream &OS, const SymbolLookupSet &LookupSet);
/// Render a JITDylibSearchOrder.
raw_ostream &operator<<(raw_ostream &OS,
const JITDylibSearchOrder &SearchOrder);
/// Render a SymbolAliasMap.
raw_ostream &operator<<(raw_ostream &OS, const SymbolAliasMap &Aliases);
/// Render a SymbolState.
raw_ostream &operator<<(raw_ostream &OS, const SymbolState &S);
/// Render a LookupKind.
raw_ostream &operator<<(raw_ostream &OS, const LookupKind &K);
/// Dump a SymbolStringPool. Useful for debugging dangling-pointer crashes.
raw_ostream &operator<<(raw_ostream &OS, const SymbolStringPool &SSP);
/// A function object that can be used as an ObjectTransformLayer transform
/// to dump object files to disk at a specified path.
class DumpObjects {
public:
/// Construct a DumpObjects transform that will dump objects to disk.
///
/// @param DumpDir specifies the path to write dumped objects to. DumpDir may
/// be empty, in which case files will be dumped to the working directory. If
/// DumpDir is non-empty then any trailing separators will be discarded.
///
/// @param IdentifierOverride specifies a file name stem to use when dumping
/// objects. If empty, each MemoryBuffer's identifier will be used (with a .o
/// suffix added if not already present). If an identifier override is
/// supplied it will be used instead (since all buffers will use the same
/// identifier, the resulting files will be named <ident>.o, <ident>.2.o,
/// <ident>.3.o, and so on). IdentifierOverride should not contain an
/// extension, as a .o suffix will be added by DumpObjects.
DumpObjects(std::string DumpDir = "", std::string IdentifierOverride = "");
/// Dumps the given buffer to disk.
Expected<std::unique_ptr<MemoryBuffer>>
operator()(std::unique_ptr<MemoryBuffer> Obj);
private:
StringRef getBufferIdentifier(MemoryBuffer &B);
std::string DumpDir;
std::string IdentifierOverride;
};
} // End namespace orc
} // End namespace llvm
#endif // LLVM_EXECUTIONENGINE_ORC_DEBUGUTILS_H
|