//===-- tools/bugpoint/ToolRunner.h -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file exposes an abstraction around a platform C compiler, used to
// compile C and assembly code. It also exposes an "AbstractIntepreter"
// interface, which is used to execute code using one of the LLVM execution
// engines.
//
//===----------------------------------------------------------------------===//
#ifndef BUGPOINT_TOOLRUNNER_H
#define BUGPOINT_TOOLRUNNER_H
#include "llvm/ADT/Triple.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SystemUtils.h"
#include <exception>
#include <vector>
namespace llvm {
extern cl::opt<bool> SaveTemps;
extern Triple TargetTriple;
class LLC;
//===---------------------------------------------------------------------===//
// GCC abstraction
//
class GCC {
std::string GCCPath; // The path to the gcc executable.
std::string RemoteClientPath; // The path to the rsh / ssh executable.
std::vector<std::string> gccArgs; // GCC-specific arguments.
GCC(StringRef gccPath, StringRef RemotePath,
const std::vector<std::string> *GCCArgs)
: GCCPath(gccPath), RemoteClientPath(RemotePath) {
if (GCCArgs) gccArgs = *GCCArgs;
}
public:
enum FileType { AsmFile, ObjectFile, CFile };
static GCC *create(std::string &Message,
const std::string &GCCBinary,
const std::vector<std::string> *Args);
/// ExecuteProgram - Execute the program specified by "ProgramFile" (which is
/// either a .s file, or a .c file, specified by FileType), with the specified
/// arguments. Standard input is specified with InputFile, and standard
/// Output is captured to the specified OutputFile location. The SharedLibs
/// option specifies optional native shared objects that can be loaded into
/// the program for execution.
///
int ExecuteProgram(const std::string &ProgramFile,
const std::vector<std::string> &Args,
FileType fileType,
const std::string &InputFile,
const std::string &OutputFile,
std::string *Error = nullptr,
const std::vector<std::string> &GCCArgs =
std::vector<std::string>(),
unsigned Timeout = 0,
unsigned MemoryLimit = 0);
/// MakeSharedObject - This compiles the specified file (which is either a .c
/// file or a .s file) into a shared object.
///
int MakeSharedObject(const std::string &InputFile, FileType fileType,
std::string &OutputFile,
const std::vector<std::string> &ArgsForGCC,
std::string &Error);
};
//===---------------------------------------------------------------------===//
/// AbstractInterpreter Class - Subclasses of this class are used to execute
/// LLVM bitcode in a variety of ways. This abstract interface hides this
/// complexity behind a simple interface.
///
class AbstractInterpreter {
virtual void anchor();
public:
static LLC *createLLC(const char *Argv0, std::string &Message,
const std::string &GCCBinary,
const std::vector<std::string> *Args = nullptr,
const std::vector<std::string> *GCCArgs = nullptr,
bool UseIntegratedAssembler = false);
static AbstractInterpreter*
createLLI(const char *Argv0, std::string &Message,
const std::vector<std::string> *Args = nullptr);
static AbstractInterpreter*
createJIT(const char *Argv0, std::string &Message,
const std::vector<std::string> *Args = nullptr);
static AbstractInterpreter*
createCustomCompiler(std::string &Message,
const std::string &CompileCommandLine);
static AbstractInterpreter*
createCustomExecutor(std::string &Message,
const std::string &ExecCommandLine);
virtual ~AbstractInterpreter() {}
/// compileProgram - Compile the specified program from bitcode to executable
/// code. This does not produce any output, it is only used when debugging
/// the code generator. It returns false if the code generator fails.
virtual void compileProgram(const std::string &Bitcode, std::string *Error,
unsigned Timeout = 0, unsigned MemoryLimit = 0) {}
/// OutputCode - Compile the specified program from bitcode to code
/// understood by the GCC driver (either C or asm). If the code generator
/// fails, it sets Error, otherwise, this function returns the type of code
/// emitted.
virtual GCC::FileType OutputCode(const std::string &Bitcode,
std::string &OutFile, std::string &Error,
unsigned Timeout = 0,
unsigned MemoryLimit = 0) {
Error = "OutputCode not supported by this AbstractInterpreter!";
return GCC::AsmFile;
}
/// ExecuteProgram - Run the specified bitcode file, emitting output to the
/// specified filename. This sets RetVal to the exit code of the program or
/// returns false if a problem was encountered that prevented execution of
/// the program.
///
virtual int ExecuteProgram(const std::string &Bitcode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
std::string *Error,
const std::vector<std::string> &GCCArgs =
std::vector<std::string>(),
const std::vector<std::string> &SharedLibs =
std::vector<std::string>(),
unsigned Timeout = 0,
unsigned MemoryLimit = 0) = 0;
};
//===---------------------------------------------------------------------===//
// LLC Implementation of AbstractIntepreter interface
//
class LLC : public AbstractInterpreter {
std::string LLCPath; // The path to the LLC executable.
std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
GCC *gcc;
bool UseIntegratedAssembler;
public:
LLC(const std::string &llcPath, GCC *Gcc,
const std::vector<std::string> *Args,
bool useIntegratedAssembler)
: LLCPath(llcPath), gcc(Gcc),
UseIntegratedAssembler(useIntegratedAssembler) {
ToolArgs.clear();
if (Args) ToolArgs = *Args;
}
~LLC() { delete gcc; }
/// compileProgram - Compile the specified program from bitcode to executable
/// code. This does not produce any output, it is only used when debugging
/// the code generator. Returns false if the code generator fails.
void compileProgram(const std::string &Bitcode, std::string *Error,
unsigned Timeout = 0, unsigned MemoryLimit = 0) override;
int ExecuteProgram(const std::string &Bitcode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
std::string *Error,
const std::vector<std::string> &GCCArgs =
std::vector<std::string>(),
const std::vector<std::string> &SharedLibs =
std::vector<std::string>(),
unsigned Timeout = 0,
unsigned MemoryLimit = 0) override;
/// OutputCode - Compile the specified program from bitcode to code
/// understood by the GCC driver (either C or asm). If the code generator
/// fails, it sets Error, otherwise, this function returns the type of code
/// emitted.
GCC::FileType OutputCode(const std::string &Bitcode,
std::string &OutFile, std::string &Error,
unsigned Timeout = 0,
unsigned MemoryLimit = 0) override;
};
} // End llvm namespace
#endif