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https://github.com/c64scene-ar/llvm-6502.git
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eeed983821
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9129 91177308-0d34-0410-b5e6-96231b3b80d8
134 lines
5.2 KiB
C++
134 lines
5.2 KiB
C++
//===-- Support/ToolRunner.h ------------------------------------*- C++ -*-===//
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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 TOOLRUNNER_H
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#define TOOLRUNNER_H
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#include "Support/SystemUtils.h"
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#include <vector>
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class CBE;
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class LLC;
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//===---------------------------------------------------------------------===//
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// GCC abstraction
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//
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class GCC {
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std::string GCCPath; // The path to the gcc executable
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GCC(const std::string &gccPath) : GCCPath(gccPath) { }
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public:
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enum FileType { AsmFile, CFile };
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static GCC* create(const std::string &ProgramPath, std::string &Message);
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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> &SharedLibs =
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std::vector<std::string>());
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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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private:
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void ProcessFailure(const char **Args);
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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 bytecode 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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struct AbstractInterpreter {
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static CBE* createCBE(const std::string &ProgramPath, std::string &Message);
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static LLC *createLLC(const std::string &ProgramPath, std::string &Message);
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static AbstractInterpreter* createLLI(const std::string &ProgramPath,
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std::string &Message);
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static AbstractInterpreter* createJIT(const std::string &ProgramPath,
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std::string &Message);
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virtual ~AbstractInterpreter() {}
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/// ExecuteProgram - Run the specified bytecode 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 &Bytecode,
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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> &SharedLibs =
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std::vector<std::string>()) = 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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std::string DISPath; // The path to the `llvm-dis' executable
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GCC *gcc;
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public:
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CBE(const std::string &disPath, GCC *Gcc) : DISPath(disPath), gcc(Gcc) { }
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~CBE() { delete gcc; }
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virtual int ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs =
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std::vector<std::string>());
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// Sometimes we just want to go half-way and only generate the .c file,
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// not necessarily compile it with GCC and run the program.
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//
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virtual int OutputC(const std::string &Bytecode, std::string &OutputCFile);
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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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GCC *gcc;
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public:
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LLC(const std::string &llcPath, GCC *Gcc)
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: LLCPath(llcPath), gcc(Gcc) { }
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~LLC() { delete gcc; }
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virtual int ExecuteProgram(const std::string &Bytecode,
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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> &SharedLibs =
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std::vector<std::string>());
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// Sometimes we just want to go half-way and only generate the .s file,
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// not necessarily compile it all the way and run the program.
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//
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int OutputAsm(const std::string &Bytecode, std::string &OutputAsmFile);
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};
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#endif
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