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Diffstat (limited to 'llvm/tools/llvm-exegesis/lib/Assembler.h')
| -rw-r--r-- | llvm/tools/llvm-exegesis/lib/Assembler.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/Assembler.h b/llvm/tools/llvm-exegesis/lib/Assembler.h deleted file mode 100644 index 932542ca504..00000000000 --- a/llvm/tools/llvm-exegesis/lib/Assembler.h +++ /dev/null @@ -1,78 +0,0 @@ -//===-- Assembler.h ---------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -/// -/// \file -/// Defines classes to assemble functions composed of a single basic block of -/// MCInsts. -/// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_TOOLS_LLVM_EXEGESIS_ASSEMBLER_H -#define LLVM_TOOLS_LLVM_EXEGESIS_ASSEMBLER_H - -#include <memory> - -#include "llvm/ADT/ArrayRef.h" -#include "llvm/ADT/BitVector.h" -#include "llvm/CodeGen/MachineFunction.h" -#include "llvm/CodeGen/MachineModuleInfo.h" -#include "llvm/ExecutionEngine/ExecutionEngine.h" -#include "llvm/IR/LLVMContext.h" -#include "llvm/IR/Module.h" -#include "llvm/MC/MCInst.h" -#include "llvm/Object/Binary.h" -#include "llvm/Object/ObjectFile.h" -#include "llvm/Support/raw_ostream.h" -#include "llvm/Target/TargetMachine.h" - -namespace exegesis { - -// Gather the set of reserved registers (depends on function's calling -// convention and target machine). -llvm::BitVector getFunctionReservedRegs(const llvm::TargetMachine &TM); - -// Creates a temporary `void foo()` function containing the provided -// Instructions. Runs a set of llvm Passes to provide correct prologue and -// epilogue. Once the MachineFunction is ready, it is assembled for TM to -// AsmStream, the temporary function is eventually discarded. -void assembleToStream(std::unique_ptr<llvm::LLVMTargetMachine> TM, - llvm::ArrayRef<llvm::MCInst> Instructions, - llvm::raw_pwrite_stream &AsmStream); - -// Creates an ObjectFile in the format understood by the host. -// Note: the resulting object keeps a copy of Buffer so it can be discarded once -// this function returns. -llvm::object::OwningBinary<llvm::object::ObjectFile> -getObjectFromBuffer(llvm::StringRef Buffer); - -// Loads the content of Filename as on ObjectFile and returns it. -llvm::object::OwningBinary<llvm::object::ObjectFile> -getObjectFromFile(llvm::StringRef Filename); - -// Consumes an ObjectFile containing a `void foo()` function and make it -// executable. -struct ExecutableFunction { - explicit ExecutableFunction( - std::unique_ptr<llvm::LLVMTargetMachine> TM, - llvm::object::OwningBinary<llvm::object::ObjectFile> &&ObjectFileHolder); - - // Retrieves the function as an array of bytes. - llvm::StringRef getFunctionBytes() const { return FunctionBytes; } - - // Executes the function. - void operator()() const { ((void (*)())(intptr_t)FunctionBytes.data())(); } - - std::unique_ptr<llvm::LLVMContext> Context; - std::unique_ptr<llvm::ExecutionEngine> ExecEngine; - llvm::StringRef FunctionBytes; -}; - -} // namespace exegesis - -#endif // LLVM_TOOLS_LLVM_EXEGESIS_ASSEMBLER_H |

