1 //===-- tools/bugpoint/ToolRunner.h -----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file exposes an abstraction around a platform C compiler, used to
11 // compile C and assembly code. It also exposes an "AbstractIntepreter"
12 // interface, which is used to execute code using one of the LLVM execution
15 //===----------------------------------------------------------------------===//
17 #ifndef BUGPOINT_TOOLRUNNER_H
18 #define BUGPOINT_TOOLRUNNER_H
20 #include "llvm/Support/CommandLine.h"
21 #include "llvm/Support/SystemUtils.h"
27 extern cl::opt<bool> SaveTemps;
32 /// ToolExecutionError - An instance of this class is thrown by the
33 /// AbstractInterpreter instances if there is an error running a tool (e.g., LLC
34 /// crashes) which prevents execution of the program.
36 class ToolExecutionError : std::exception {
39 explicit ToolExecutionError(const std::string &M) : Message(M) {}
40 virtual ~ToolExecutionError() throw();
41 virtual const char* what() const throw() { return Message.c_str(); }
45 //===---------------------------------------------------------------------===//
49 sys::Path GCCPath; // The path to the gcc executable.
50 sys::Path RemoteClientPath; // The path to the rsh / ssh executable.
51 std::vector<std::string> gccArgs; // GCC-specific arguments.
52 GCC(const sys::Path &gccPath, const sys::Path &RemotePath,
53 const std::vector<std::string> *GCCArgs)
54 : GCCPath(gccPath), RemoteClientPath(RemotePath) {
55 if (GCCArgs) gccArgs = *GCCArgs;
58 enum FileType { AsmFile, CFile };
60 static GCC *create(std::string &Message,
61 const std::vector<std::string> *Args);
63 /// ExecuteProgram - Execute the program specified by "ProgramFile" (which is
64 /// either a .s file, or a .c file, specified by FileType), with the specified
65 /// arguments. Standard input is specified with InputFile, and standard
66 /// Output is captured to the specified OutputFile location. The SharedLibs
67 /// option specifies optional native shared objects that can be loaded into
68 /// the program for execution.
70 int ExecuteProgram(const std::string &ProgramFile,
71 const std::vector<std::string> &Args,
73 const std::string &InputFile,
74 const std::string &OutputFile,
75 const std::vector<std::string> &GCCArgs =
76 std::vector<std::string>(),
78 unsigned MemoryLimit = 0);
80 /// MakeSharedObject - This compiles the specified file (which is either a .c
81 /// file or a .s file) into a shared object.
83 int MakeSharedObject(const std::string &InputFile, FileType fileType,
84 std::string &OutputFile,
85 const std::vector<std::string> &ArgsForGCC);
89 //===---------------------------------------------------------------------===//
90 /// AbstractInterpreter Class - Subclasses of this class are used to execute
91 /// LLVM bitcode in a variety of ways. This abstract interface hides this
92 /// complexity behind a simple interface.
94 class AbstractInterpreter {
96 static CBE *createCBE(const char *Argv0, std::string &Message,
97 const std::vector<std::string> *Args = 0,
98 const std::vector<std::string> *GCCArgs = 0);
99 static LLC *createLLC(const char *Argv0, std::string &Message,
100 const std::vector<std::string> *Args = 0,
101 const std::vector<std::string> *GCCArgs = 0);
103 static AbstractInterpreter* createLLI(const char *Argv0, std::string &Message,
104 const std::vector<std::string> *Args=0);
106 static AbstractInterpreter* createJIT(const char *Argv0, std::string &Message,
107 const std::vector<std::string> *Args=0);
109 static AbstractInterpreter* createCustom(std::string &Message,
110 const std::string &ExecCommandLine);
113 virtual ~AbstractInterpreter() {}
115 /// compileProgram - Compile the specified program from bitcode to executable
116 /// code. This does not produce any output, it is only used when debugging
117 /// the code generator. If the code generator fails, an exception should be
118 /// thrown, otherwise, this function will just return.
119 virtual void compileProgram(const std::string &Bitcode) {}
121 /// OutputCode - Compile the specified program from bitcode to code
122 /// understood by the GCC driver (either C or asm). If the code generator
123 /// fails, an exception should be thrown, otherwise, this function returns the
124 /// type of code emitted.
125 virtual GCC::FileType OutputCode(const std::string &Bitcode,
126 sys::Path &OutFile) {
127 throw std::string("OutputCode not supported by this AbstractInterpreter!");
130 /// ExecuteProgram - Run the specified bitcode file, emitting output to the
131 /// specified filename. This returns the exit code of the program.
133 virtual int ExecuteProgram(const std::string &Bitcode,
134 const std::vector<std::string> &Args,
135 const std::string &InputFile,
136 const std::string &OutputFile,
137 const std::vector<std::string> &GCCArgs =
138 std::vector<std::string>(),
139 const std::vector<std::string> &SharedLibs =
140 std::vector<std::string>(),
141 unsigned Timeout = 0,
142 unsigned MemoryLimit = 0) = 0;
145 //===---------------------------------------------------------------------===//
146 // CBE Implementation of AbstractIntepreter interface
148 class CBE : public AbstractInterpreter {
149 sys::Path LLCPath; // The path to the `llc' executable.
150 std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
153 CBE(const sys::Path &llcPath, GCC *Gcc,
154 const std::vector<std::string> *Args)
155 : LLCPath(llcPath), gcc(Gcc) {
157 if (Args) ToolArgs = *Args;
159 ~CBE() { delete gcc; }
161 /// compileProgram - Compile the specified program from bitcode to executable
162 /// code. This does not produce any output, it is only used when debugging
163 /// the code generator. If the code generator fails, an exception should be
164 /// thrown, otherwise, this function will just return.
165 virtual void compileProgram(const std::string &Bitcode);
167 virtual int ExecuteProgram(const std::string &Bitcode,
168 const std::vector<std::string> &Args,
169 const std::string &InputFile,
170 const std::string &OutputFile,
171 const std::vector<std::string> &GCCArgs =
172 std::vector<std::string>(),
173 const std::vector<std::string> &SharedLibs =
174 std::vector<std::string>(),
175 unsigned Timeout = 0,
176 unsigned MemoryLimit = 0);
178 /// OutputCode - Compile the specified program from bitcode to code
179 /// understood by the GCC driver (either C or asm). If the code generator
180 /// fails, an exception should be thrown, otherwise, this function returns the
181 /// type of code emitted.
182 virtual GCC::FileType OutputCode(const std::string &Bitcode,
187 //===---------------------------------------------------------------------===//
188 // LLC Implementation of AbstractIntepreter interface
190 class LLC : public AbstractInterpreter {
191 std::string LLCPath; // The path to the LLC executable.
192 std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
193 std::vector<std::string> gccArgs; // Extra args to pass to GCC.
196 LLC(const std::string &llcPath, GCC *Gcc,
197 const std::vector<std::string> *Args,
198 const std::vector<std::string> *GCCArgs)
199 : LLCPath(llcPath), gcc(Gcc) {
201 if (Args) ToolArgs = *Args;
202 if (GCCArgs) gccArgs = *GCCArgs;
204 ~LLC() { delete gcc; }
206 /// compileProgram - Compile the specified program from bitcode to executable
207 /// code. This does not produce any output, it is only used when debugging
208 /// the code generator. If the code generator fails, an exception should be
209 /// thrown, otherwise, this function will just return.
210 virtual void compileProgram(const std::string &Bitcode);
212 virtual int ExecuteProgram(const std::string &Bitcode,
213 const std::vector<std::string> &Args,
214 const std::string &InputFile,
215 const std::string &OutputFile,
216 const std::vector<std::string> &GCCArgs =
217 std::vector<std::string>(),
218 const std::vector<std::string> &SharedLibs =
219 std::vector<std::string>(),
220 unsigned Timeout = 0,
221 unsigned MemoryLimit = 0);
223 virtual GCC::FileType OutputCode(const std::string &Bitcode,
228 } // End llvm namespace