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/ADT/Triple.h"
21 #include "llvm/Support/CommandLine.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/Path.h"
24 #include "llvm/Support/SystemUtils.h"
30 extern cl::opt<bool> SaveTemps;
31 extern Triple TargetTriple;
35 //===---------------------------------------------------------------------===//
39 std::string GCCPath; // The path to the gcc executable.
40 std::string RemoteClientPath; // The path to the rsh / ssh executable.
41 std::vector<std::string> gccArgs; // GCC-specific arguments.
42 GCC(StringRef gccPath, StringRef RemotePath,
43 const std::vector<std::string> *GCCArgs)
44 : GCCPath(gccPath), RemoteClientPath(RemotePath) {
45 if (GCCArgs) gccArgs = *GCCArgs;
48 enum FileType { AsmFile, ObjectFile, CFile };
50 static GCC *create(std::string &Message,
51 const std::string &GCCBinary,
52 const std::vector<std::string> *Args);
54 /// ExecuteProgram - Execute the program specified by "ProgramFile" (which is
55 /// either a .s file, or a .c file, specified by FileType), with the specified
56 /// arguments. Standard input is specified with InputFile, and standard
57 /// Output is captured to the specified OutputFile location. The SharedLibs
58 /// option specifies optional native shared objects that can be loaded into
59 /// the program for execution.
61 int ExecuteProgram(const std::string &ProgramFile,
62 const std::vector<std::string> &Args,
64 const std::string &InputFile,
65 const std::string &OutputFile,
66 std::string *Error = nullptr,
67 const std::vector<std::string> &GCCArgs =
68 std::vector<std::string>(),
70 unsigned MemoryLimit = 0);
72 /// MakeSharedObject - This compiles the specified file (which is either a .c
73 /// file or a .s file) into a shared object.
75 int MakeSharedObject(const std::string &InputFile, FileType fileType,
76 std::string &OutputFile,
77 const std::vector<std::string> &ArgsForGCC,
82 //===---------------------------------------------------------------------===//
83 /// AbstractInterpreter Class - Subclasses of this class are used to execute
84 /// LLVM bitcode in a variety of ways. This abstract interface hides this
85 /// complexity behind a simple interface.
87 class AbstractInterpreter {
88 virtual void anchor();
90 static LLC *createLLC(const char *Argv0, std::string &Message,
91 const std::string &GCCBinary,
92 const std::vector<std::string> *Args = nullptr,
93 const std::vector<std::string> *GCCArgs = nullptr,
94 bool UseIntegratedAssembler = false);
96 static AbstractInterpreter*
97 createLLI(const char *Argv0, std::string &Message,
98 const std::vector<std::string> *Args = nullptr);
100 static AbstractInterpreter*
101 createJIT(const char *Argv0, std::string &Message,
102 const std::vector<std::string> *Args = nullptr);
104 static AbstractInterpreter*
105 createCustomCompiler(std::string &Message,
106 const std::string &CompileCommandLine);
108 static AbstractInterpreter*
109 createCustomExecutor(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. It returns false if the code generator fails.
118 virtual void compileProgram(const std::string &Bitcode, std::string *Error,
119 unsigned Timeout = 0, unsigned MemoryLimit = 0) {}
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, it sets Error, otherwise, this function returns the type of code
125 virtual GCC::FileType OutputCode(const std::string &Bitcode,
126 std::string &OutFile, std::string &Error,
127 unsigned Timeout = 0,
128 unsigned MemoryLimit = 0) {
129 Error = "OutputCode not supported by this AbstractInterpreter!";
133 /// ExecuteProgram - Run the specified bitcode file, emitting output to the
134 /// specified filename. This sets RetVal to the exit code of the program or
135 /// returns false if a problem was encountered that prevented execution of
138 virtual int ExecuteProgram(const std::string &Bitcode,
139 const std::vector<std::string> &Args,
140 const std::string &InputFile,
141 const std::string &OutputFile,
143 const std::vector<std::string> &GCCArgs =
144 std::vector<std::string>(),
145 const std::vector<std::string> &SharedLibs =
146 std::vector<std::string>(),
147 unsigned Timeout = 0,
148 unsigned MemoryLimit = 0) = 0;
151 //===---------------------------------------------------------------------===//
152 // LLC Implementation of AbstractIntepreter interface
154 class LLC : public AbstractInterpreter {
155 std::string LLCPath; // The path to the LLC executable.
156 std::vector<std::string> ToolArgs; // Extra args to pass to LLC.
158 bool UseIntegratedAssembler;
160 LLC(const std::string &llcPath, GCC *Gcc,
161 const std::vector<std::string> *Args,
162 bool useIntegratedAssembler)
163 : LLCPath(llcPath), gcc(Gcc),
164 UseIntegratedAssembler(useIntegratedAssembler) {
166 if (Args) ToolArgs = *Args;
168 ~LLC() { delete gcc; }
170 /// compileProgram - Compile the specified program from bitcode to executable
171 /// code. This does not produce any output, it is only used when debugging
172 /// the code generator. Returns false if the code generator fails.
173 void compileProgram(const std::string &Bitcode, std::string *Error,
174 unsigned Timeout = 0, unsigned MemoryLimit = 0) override;
176 int ExecuteProgram(const std::string &Bitcode,
177 const std::vector<std::string> &Args,
178 const std::string &InputFile,
179 const std::string &OutputFile,
181 const std::vector<std::string> &GCCArgs =
182 std::vector<std::string>(),
183 const std::vector<std::string> &SharedLibs =
184 std::vector<std::string>(),
185 unsigned Timeout = 0,
186 unsigned MemoryLimit = 0) override;
188 /// OutputCode - Compile the specified program from bitcode to code
189 /// understood by the GCC driver (either C or asm). If the code generator
190 /// fails, it sets Error, otherwise, this function returns the type of code
192 GCC::FileType OutputCode(const std::string &Bitcode,
193 std::string &OutFile, std::string &Error,
194 unsigned Timeout = 0,
195 unsigned MemoryLimit = 0) override;
198 } // End llvm namespace