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197f728d49
just argv[0]. And remove the code for searching the current working directory and for searching PATH; the point of FindExecutable is not to find whatever version of the executable can be found by searching around, but to find an executable that accompanies the current executable. Update the tools to use sys::Program::FindProgramByName when they want PATH searching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78240 91177308-0d34-0410-b5e6-96231b3b80d8
231 lines
9.6 KiB
C++
231 lines
9.6 KiB
C++
//===-- tools/bugpoint/ToolRunner.h -----------------------------*- 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 exposes an abstraction around a platform C compiler, used to
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// compile C and assembly code. It also exposes an "AbstractIntepreter"
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// interface, which is used to execute code using one of the LLVM execution
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// engines.
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//
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//===----------------------------------------------------------------------===//
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#ifndef BUGPOINT_TOOLRUNNER_H
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#define BUGPOINT_TOOLRUNNER_H
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/SystemUtils.h"
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#include <exception>
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#include <vector>
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namespace llvm {
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extern cl::opt<bool> SaveTemps;
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class CBE;
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class LLC;
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/// ToolExecutionError - An instance of this class is thrown by the
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/// AbstractInterpreter instances if there is an error running a tool (e.g., LLC
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/// crashes) which prevents execution of the program.
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///
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class ToolExecutionError : std::exception {
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std::string Message;
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public:
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explicit ToolExecutionError(const std::string &M) : Message(M) {}
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virtual ~ToolExecutionError() throw();
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virtual const char* what() const throw() { return Message.c_str(); }
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};
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//===---------------------------------------------------------------------===//
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// GCC abstraction
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//
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class GCC {
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sys::Path GCCPath; // The path to the gcc executable.
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sys::Path RemoteClientPath; // The path to the rsh / ssh executable.
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std::vector<std::string> gccArgs; // GCC-specific arguments.
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GCC(const sys::Path &gccPath, const sys::Path &RemotePath,
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const std::vector<std::string> *GCCArgs)
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: GCCPath(gccPath), RemoteClientPath(RemotePath) {
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if (GCCArgs) gccArgs = *GCCArgs;
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}
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public:
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enum FileType { AsmFile, CFile };
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static GCC *create(std::string &Message,
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const std::vector<std::string> *Args);
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/// ExecuteProgram - Execute the program specified by "ProgramFile" (which is
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/// either a .s file, or a .c file, specified by FileType), with the specified
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/// arguments. Standard input is specified with InputFile, and standard
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/// Output is captured to the specified OutputFile location. The SharedLibs
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/// option specifies optional native shared objects that can be loaded into
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/// the program for execution.
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///
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int ExecuteProgram(const std::string &ProgramFile,
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const std::vector<std::string> &Args,
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FileType fileType,
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const std::string &InputFile,
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const std::string &OutputFile,
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const std::vector<std::string> &GCCArgs =
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std::vector<std::string>(),
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unsigned Timeout = 0,
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unsigned MemoryLimit = 0);
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/// MakeSharedObject - This compiles the specified file (which is either a .c
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/// file or a .s file) into a shared object.
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///
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int MakeSharedObject(const std::string &InputFile, FileType fileType,
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std::string &OutputFile,
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const std::vector<std::string> &ArgsForGCC);
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};
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//===---------------------------------------------------------------------===//
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/// AbstractInterpreter Class - Subclasses of this class are used to execute
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/// LLVM bitcode in a variety of ways. This abstract interface hides this
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/// complexity behind a simple interface.
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///
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class AbstractInterpreter {
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public:
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static CBE *createCBE(const char *Argv0, std::string &Message,
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const std::vector<std::string> *Args = 0,
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const std::vector<std::string> *GCCArgs = 0);
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static LLC *createLLC(const char *Argv0, std::string &Message,
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const std::vector<std::string> *Args = 0,
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const std::vector<std::string> *GCCArgs = 0);
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static AbstractInterpreter* createLLI(const char *Argv0, std::string &Message,
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const std::vector<std::string> *Args=0);
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static AbstractInterpreter* createJIT(const char *Argv0, std::string &Message,
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const std::vector<std::string> *Args=0);
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static AbstractInterpreter* createCustom(std::string &Message,
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const std::string &ExecCommandLine);
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virtual ~AbstractInterpreter() {}
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/// compileProgram - Compile the specified program from bitcode to executable
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/// code. This does not produce any output, it is only used when debugging
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/// the code generator. If the code generator fails, an exception should be
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/// thrown, otherwise, this function will just return.
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virtual void compileProgram(const std::string &Bitcode) {}
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/// OutputCode - Compile the specified program from bitcode to code
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/// understood by the GCC driver (either C or asm). If the code generator
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/// fails, an exception should be thrown, otherwise, this function returns the
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/// type of code emitted.
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virtual GCC::FileType OutputCode(const std::string &Bitcode,
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sys::Path &OutFile) {
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throw std::string("OutputCode not supported by this AbstractInterpreter!");
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}
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/// ExecuteProgram - Run the specified bitcode file, emitting output to the
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/// specified filename. This returns the exit code of the program.
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///
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virtual int ExecuteProgram(const std::string &Bitcode,
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const std::vector<std::string> &Args,
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const std::string &InputFile,
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const std::string &OutputFile,
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const std::vector<std::string> &GCCArgs =
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std::vector<std::string>(),
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const std::vector<std::string> &SharedLibs =
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std::vector<std::string>(),
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unsigned Timeout = 0,
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unsigned MemoryLimit = 0) = 0;
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};
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//===---------------------------------------------------------------------===//
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// CBE Implementation of AbstractIntepreter interface
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//
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class CBE : public AbstractInterpreter {
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sys::Path LLCPath; // The path to the `llc' executable.
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std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
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GCC *gcc;
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public:
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CBE(const sys::Path &llcPath, GCC *Gcc,
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const std::vector<std::string> *Args)
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: LLCPath(llcPath), gcc(Gcc) {
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ToolArgs.clear ();
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if (Args) ToolArgs = *Args;
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}
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~CBE() { delete gcc; }
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/// compileProgram - Compile the specified program from bitcode to executable
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/// code. This does not produce any output, it is only used when debugging
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/// the code generator. If the code generator fails, an exception should be
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/// thrown, otherwise, this function will just return.
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virtual void compileProgram(const std::string &Bitcode);
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virtual int ExecuteProgram(const std::string &Bitcode,
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const std::vector<std::string> &Args,
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const std::string &InputFile,
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const std::string &OutputFile,
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const std::vector<std::string> &GCCArgs =
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std::vector<std::string>(),
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const std::vector<std::string> &SharedLibs =
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std::vector<std::string>(),
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unsigned Timeout = 0,
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unsigned MemoryLimit = 0);
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/// OutputCode - Compile the specified program from bitcode to code
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/// understood by the GCC driver (either C or asm). If the code generator
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/// fails, an exception should be thrown, otherwise, this function returns the
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/// type of code emitted.
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virtual GCC::FileType OutputCode(const std::string &Bitcode,
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sys::Path &OutFile);
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};
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//===---------------------------------------------------------------------===//
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// LLC Implementation of AbstractIntepreter interface
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//
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class LLC : public AbstractInterpreter {
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std::string LLCPath; // The path to the LLC executable.
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std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
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std::vector<std::string> gccArgs; // Extra args to pass to GCC.
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GCC *gcc;
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public:
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LLC(const std::string &llcPath, GCC *Gcc,
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const std::vector<std::string> *Args,
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const std::vector<std::string> *GCCArgs)
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: LLCPath(llcPath), gcc(Gcc) {
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ToolArgs.clear();
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if (Args) ToolArgs = *Args;
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if (GCCArgs) gccArgs = *GCCArgs;
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}
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~LLC() { delete gcc; }
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/// compileProgram - Compile the specified program from bitcode to executable
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/// code. This does not produce any output, it is only used when debugging
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/// the code generator. If the code generator fails, an exception should be
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/// thrown, otherwise, this function will just return.
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virtual void compileProgram(const std::string &Bitcode);
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virtual int ExecuteProgram(const std::string &Bitcode,
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const std::vector<std::string> &Args,
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const std::string &InputFile,
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const std::string &OutputFile,
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const std::vector<std::string> &GCCArgs =
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std::vector<std::string>(),
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const std::vector<std::string> &SharedLibs =
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std::vector<std::string>(),
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unsigned Timeout = 0,
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unsigned MemoryLimit = 0);
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virtual GCC::FileType OutputCode(const std::string &Bitcode,
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sys::Path &OutFile);
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};
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} // End llvm namespace
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#endif
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