1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
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/Support/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
|
