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https://github.com/c64scene-ar/llvm-6502.git
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55c06ae7af
It works with clang, but GCC has different rules so we can't make all of those hidden. This reverts commit r190534. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190536 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
//===- llvm/Transforms/Instrumentation/DebugIR.h - Interface ----*- 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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//
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// This file defines the interface of the DebugIR pass. For most users,
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// including Instrumentation.h and calling createDebugIRPass() is sufficient and
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// there is no need to include this file.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
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#define LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/Pass.h"
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namespace llvm {
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class DebugIR : public llvm::ModulePass {
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/// If true, write a source file to disk.
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bool WriteSourceToDisk;
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/// Hide certain (non-essential) debug information (only relevant if
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/// createSource is true.
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bool HideDebugIntrinsics;
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bool HideDebugMetadata;
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/// The location of the source file.
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std::string Directory;
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std::string Filename;
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/// True if a temporary file name was generated.
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bool GeneratedPath;
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/// True if the file name was read from the Module.
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bool ParsedPath;
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public:
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static char ID;
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const char *getPassName() const { return "DebugIR"; }
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/// Generate a file on disk to be displayed in a debugger. If Filename and
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/// Directory are empty, a temporary path will be generated.
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DebugIR(bool HideDebugIntrinsics, bool HideDebugMetadata,
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llvm::StringRef Directory, llvm::StringRef Filename)
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: ModulePass(ID), WriteSourceToDisk(true),
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HideDebugIntrinsics(HideDebugIntrinsics),
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HideDebugMetadata(HideDebugMetadata), Directory(Directory),
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Filename(Filename), GeneratedPath(false), ParsedPath(false) {}
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/// Modify input in-place; do not generate additional files, and do not hide
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/// any debug intrinsics/metadata that might be present.
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DebugIR()
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: ModulePass(ID), WriteSourceToDisk(false), HideDebugIntrinsics(false),
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HideDebugMetadata(false), GeneratedPath(false), ParsedPath(false) {}
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/// Run pass on M and set Path to the source file path in the output module.
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bool runOnModule(llvm::Module &M, std::string &Path);
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bool runOnModule(llvm::Module &M);
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private:
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/// Returns the concatenated Directory + Filename, without error checking
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std::string getPath();
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/// Attempts to read source information from debug information in M, and if
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/// that fails, from M's identifier. Returns true on success, false otherwise.
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bool getSourceInfo(const llvm::Module &M);
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/// Replace the extension of Filename with NewExtension, and return true if
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/// successful. Return false if extension could not be found or Filename is
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/// empty.
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bool updateExtension(llvm::StringRef NewExtension);
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/// Generate a temporary filename and open an fd
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void generateFilename(llvm::OwningPtr<int> &fd);
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/// Creates DWARF CU/Subroutine metadata
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void createDebugInfo(llvm::Module &M,
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llvm::OwningPtr<llvm::Module> &DisplayM);
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/// Returns true if either Directory or Filename is missing, false otherwise.
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bool isMissingPath();
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/// Write M to disk, optionally passing in an fd to an open file which is
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/// closed by this function after writing. If no fd is specified, a new file
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/// is opened, written, and closed.
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void writeDebugBitcode(const llvm::Module *M, int *fd = 0);
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};
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} // llvm namespace
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#endif // LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
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