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Diffstat (limited to 'contrib/llvm/tools/bugpoint/ToolRunner.h')
| -rw-r--r-- | contrib/llvm/tools/bugpoint/ToolRunner.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/contrib/llvm/tools/bugpoint/ToolRunner.h b/contrib/llvm/tools/bugpoint/ToolRunner.h new file mode 100644 index 0000000..d966fc0 --- /dev/null +++ b/contrib/llvm/tools/bugpoint/ToolRunner.h @@ -0,0 +1,242 @@ +//===-- 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/SystemUtils.h" +#include "llvm/System/Path.h" +#include <exception> +#include <vector> + +namespace llvm { + +extern cl::opt<bool> SaveTemps; +extern Triple TargetTriple; + +class CBE; +class LLC; + +//===---------------------------------------------------------------------===// +// GCC abstraction +// +class GCC { + sys::Path GCCPath; // The path to the gcc executable. + sys::Path RemoteClientPath; // The path to the rsh / ssh executable. + std::vector<std::string> gccArgs; // GCC-specific arguments. + GCC(const sys::Path &gccPath, const sys::Path &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 = 0, + 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 { +public: + static CBE *createCBE(const char *Argv0, std::string &Message, + const std::string &GCCBinary, + const std::vector<std::string> *Args = 0, + const std::vector<std::string> *GCCArgs = 0); + static LLC *createLLC(const char *Argv0, std::string &Message, + const std::string &GCCBinary, + const std::vector<std::string> *Args = 0, + const std::vector<std::string> *GCCArgs = 0, + bool UseIntegratedAssembler = false); + + static AbstractInterpreter* createLLI(const char *Argv0, std::string &Message, + const std::vector<std::string> *Args=0); + + static AbstractInterpreter* createJIT(const char *Argv0, std::string &Message, + const std::vector<std::string> *Args=0); + + static AbstractInterpreter* createCustom(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, + sys::Path &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; +}; + +//===---------------------------------------------------------------------===// +// CBE Implementation of AbstractIntepreter interface +// +class CBE : public AbstractInterpreter { + sys::Path LLCPath; // The path to the `llc' executable. + std::vector<std::string> ToolArgs; // Extra args to pass to LLC. + GCC *gcc; +public: + CBE(const sys::Path &llcPath, GCC *Gcc, + const std::vector<std::string> *Args) + : LLCPath(llcPath), gcc(Gcc) { + ToolArgs.clear (); + if (Args) ToolArgs = *Args; + } + ~CBE() { 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. + virtual void compileProgram(const std::string &Bitcode, std::string *Error, + unsigned Timeout = 0, unsigned MemoryLimit = 0); + + 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); + + /// 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, + sys::Path &OutFile, std::string &Error, + unsigned Timeout = 0, + unsigned MemoryLimit = 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. + virtual void compileProgram(const std::string &Bitcode, std::string *Error, + unsigned Timeout = 0, unsigned MemoryLimit = 0); + + 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); + + /// 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, + sys::Path &OutFile, std::string &Error, + unsigned Timeout = 0, + unsigned MemoryLimit = 0); +}; + +} // End llvm namespace + +#endif |
