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llvm-mirror/lib/Support/ToolRunner.cpp
Alkis Evlogimenos 59c646da40 Make ToolExecutionError inherit std::exception and implement its 
interface: getMessage() is gone, use what() instead.

llvm-svn: 11621
2004-02-19 07:39:26 +00:00

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//===-- ToolRunner.cpp ----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the interfaces described in the ToolRunner.h file.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "toolrunner"
#include "llvm/Support/ToolRunner.h"
#include "Config/config.h" // for HAVE_LINK_R
#include "Support/Debug.h"
#include "Support/FileUtilities.h"
#include <iostream>
#include <fstream>
#include <sstream>
using namespace llvm;
ToolExecutionError::~ToolExecutionError() throw() { }
static void ProcessFailure(std::string ProgPath, const char** Args) {
std::ostringstream OS;
OS << "\nError running tool:\n ";
for (const char **Arg = Args; *Arg; ++Arg)
OS << " " << *Arg;
OS << "\n";
// Rerun the compiler, capturing any error messages to print them.
std::string ErrorFilename = getUniqueFilename("error_messages");
RunProgramWithTimeout(ProgPath, Args, "/dev/null", ErrorFilename.c_str(),
ErrorFilename.c_str());
// Print out the error messages generated by GCC if possible...
std::ifstream ErrorFile(ErrorFilename.c_str());
if (ErrorFile) {
std::copy(std::istreambuf_iterator<char>(ErrorFile),
std::istreambuf_iterator<char>(),
std::ostreambuf_iterator<char>(OS));
ErrorFile.close();
}
removeFile(ErrorFilename);
throw ToolExecutionError(OS.str());
}
//===---------------------------------------------------------------------===//
// LLI Implementation of AbstractIntepreter interface
//
namespace {
class LLI : public AbstractInterpreter {
std::string LLIPath; // The path to the LLI executable
public:
LLI(const std::string &Path) : LLIPath(Path) { }
virtual int ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs =
std::vector<std::string>());
};
}
int LLI::ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs) {
if (!SharedLibs.empty())
throw ToolExecutionError("LLI currently does not support "
"loading shared libraries.");
std::vector<const char*> LLIArgs;
LLIArgs.push_back(LLIPath.c_str());
LLIArgs.push_back("-quiet");
LLIArgs.push_back("-force-interpreter=true");
LLIArgs.push_back(Bytecode.c_str());
// Add optional parameters to the running program from Argv
for (unsigned i=0, e = Args.size(); i != e; ++i)
LLIArgs.push_back(Args[i].c_str());
LLIArgs.push_back(0);
std::cout << "<lli>" << std::flush;
DEBUG(std::cerr << "\nAbout to run:\t";
for (unsigned i=0, e = LLIArgs.size()-1; i != e; ++i)
std::cerr << " " << LLIArgs[i];
std::cerr << "\n";
);
return RunProgramWithTimeout(LLIPath, &LLIArgs[0],
InputFile, OutputFile, OutputFile);
}
// LLI create method - Try to find the LLI executable
AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath,
std::string &Message) {
std::string LLIPath = FindExecutable("lli", ProgPath);
if (!LLIPath.empty()) {
Message = "Found lli: " + LLIPath + "\n";
return new LLI(LLIPath);
}
Message = "Cannot find `lli' in executable directory or PATH!\n";
return 0;
}
//===----------------------------------------------------------------------===//
// LLC Implementation of AbstractIntepreter interface
//
void LLC::OutputAsm(const std::string &Bytecode, std::string &OutputAsmFile) {
OutputAsmFile = getUniqueFilename(Bytecode+".llc.s");
const char *LLCArgs[] = {
LLCPath.c_str(),
"-o", OutputAsmFile.c_str(), // Output to the Asm file
"-f", // Overwrite as necessary...
Bytecode.c_str(), // This is the input bytecode
0
};
std::cout << "<llc>" << std::flush;
if (RunProgramWithTimeout(LLCPath, LLCArgs, "/dev/null", "/dev/null",
"/dev/null"))
ProcessFailure(LLCPath, LLCArgs);
}
void LLC::compileProgram(const std::string &Bytecode) {
std::string OutputAsmFile;
OutputAsm(Bytecode, OutputAsmFile);
removeFile(OutputAsmFile);
}
int LLC::ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs) {
std::string OutputAsmFile;
OutputAsm(Bytecode, OutputAsmFile);
FileRemover OutFileRemover(OutputAsmFile);
// Assuming LLC worked, compile the result with GCC and run it.
return gcc->ExecuteProgram(OutputAsmFile, Args, GCC::AsmFile,
InputFile, OutputFile, SharedLibs);
}
/// createLLC - Try to find the LLC executable
///
LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
std::string &Message) {
std::string LLCPath = FindExecutable("llc", ProgramPath);
if (LLCPath.empty()) {
Message = "Cannot find `llc' in executable directory or PATH!\n";
return 0;
}
Message = "Found llc: " + LLCPath + "\n";
GCC *gcc = GCC::create(ProgramPath, Message);
if (!gcc) {
std::cerr << Message << "\n";
exit(1);
}
return new LLC(LLCPath, gcc);
}
//===---------------------------------------------------------------------===//
// JIT Implementation of AbstractIntepreter interface
//
namespace {
class JIT : public AbstractInterpreter {
std::string LLIPath; // The path to the LLI executable
public:
JIT(const std::string &Path) : LLIPath(Path) { }
virtual int ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs =
std::vector<std::string>());
};
}
int JIT::ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs) {
// Construct a vector of parameters, incorporating those from the command-line
std::vector<const char*> JITArgs;
JITArgs.push_back(LLIPath.c_str());
JITArgs.push_back("-quiet");
JITArgs.push_back("-force-interpreter=false");
for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i) {
JITArgs.push_back("-load");
JITArgs.push_back(SharedLibs[i].c_str());
}
JITArgs.push_back(Bytecode.c_str());
// Add optional parameters to the running program from Argv
for (unsigned i=0, e = Args.size(); i != e; ++i)
JITArgs.push_back(Args[i].c_str());
JITArgs.push_back(0);
std::cout << "<jit>" << std::flush;
DEBUG(std::cerr << "\nAbout to run:\t";
for (unsigned i=0, e = JITArgs.size()-1; i != e; ++i)
std::cerr << " " << JITArgs[i];
std::cerr << "\n";
);
DEBUG(std::cerr << "\nSending output to " << OutputFile << "\n");
return RunProgramWithTimeout(LLIPath, &JITArgs[0],
InputFile, OutputFile, OutputFile);
}
/// createJIT - Try to find the LLI executable
///
AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
std::string &Message) {
std::string LLIPath = FindExecutable("lli", ProgPath);
if (!LLIPath.empty()) {
Message = "Found lli: " + LLIPath + "\n";
return new JIT(LLIPath);
}
Message = "Cannot find `lli' in executable directory or PATH!\n";
return 0;
}
void CBE::OutputC(const std::string &Bytecode,
std::string &OutputCFile) {
OutputCFile = getUniqueFilename(Bytecode+".cbe.c");
const char *LLCArgs[] = {
LLCPath.c_str(),
"-o", OutputCFile.c_str(), // Output to the C file
"-march=c", // Output to C
"-f", // Overwrite as necessary...
Bytecode.c_str(), // This is the input bytecode
0
};
std::cout << "<cbe>" << std::flush;
if (RunProgramWithTimeout(LLCPath, LLCArgs, "/dev/null", "/dev/null",
"/dev/null"))
ProcessFailure(LLCPath, LLCArgs);
}
void CBE::compileProgram(const std::string &Bytecode) {
std::string OutputCFile;
OutputC(Bytecode, OutputCFile);
removeFile(OutputCFile);
}
int CBE::ExecuteProgram(const std::string &Bytecode,
const std::vector<std::string> &Args,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs) {
std::string OutputCFile;
OutputC(Bytecode, OutputCFile);
FileRemover CFileRemove(OutputCFile);
return gcc->ExecuteProgram(OutputCFile, Args, GCC::CFile,
InputFile, OutputFile, SharedLibs);
}
/// createCBE - Try to find the 'llc' executable
///
CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
std::string &Message) {
std::string LLCPath = FindExecutable("llc", ProgramPath);
if (LLCPath.empty()) {
Message =
"Cannot find `llc' in executable directory or PATH!\n";
return 0;
}
Message = "Found llc: " + LLCPath + "\n";
GCC *gcc = GCC::create(ProgramPath, Message);
if (!gcc) {
std::cerr << Message << "\n";
exit(1);
}
return new CBE(LLCPath, gcc);
}
//===---------------------------------------------------------------------===//
// GCC abstraction
//
int GCC::ExecuteProgram(const std::string &ProgramFile,
const std::vector<std::string> &Args,
FileType fileType,
const std::string &InputFile,
const std::string &OutputFile,
const std::vector<std::string> &SharedLibs) {
std::vector<const char*> GCCArgs;
GCCArgs.push_back(GCCPath.c_str());
// Specify the shared libraries to link in...
for (unsigned i = 0, e = SharedLibs.size(); i != e; ++i)
GCCArgs.push_back(SharedLibs[i].c_str());
// Specify -x explicitly in case the extension is wonky
GCCArgs.push_back("-x");
if (fileType == CFile) {
GCCArgs.push_back("c");
GCCArgs.push_back("-fno-strict-aliasing");
} else {
GCCArgs.push_back("assembler");
}
GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename...
GCCArgs.push_back("-o");
std::string OutputBinary = getUniqueFilename(ProgramFile+".gcc.exe");
GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
GCCArgs.push_back("-lm"); // Hard-code the math library...
GCCArgs.push_back("-O2"); // Optimize the program a bit...
#if defined (HAVE_LINK_R)
GCCArgs.push_back("-Wl,-R."); // Search this dir for .so files
#endif
GCCArgs.push_back(0); // NULL terminator
std::cout << "<gcc>" << std::flush;
if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "/dev/null", "/dev/null",
"/dev/null")) {
ProcessFailure(GCCPath, &GCCArgs[0]);
exit(1);
}
std::vector<const char*> ProgramArgs;
ProgramArgs.push_back(OutputBinary.c_str());
// Add optional parameters to the running program from Argv
for (unsigned i=0, e = Args.size(); i != e; ++i)
ProgramArgs.push_back(Args[i].c_str());
ProgramArgs.push_back(0); // NULL terminator
// Now that we have a binary, run it!
std::cout << "<program>" << std::flush;
DEBUG(std::cerr << "\nAbout to run:\t";
for (unsigned i=0, e = ProgramArgs.size()-1; i != e; ++i)
std::cerr << " " << ProgramArgs[i];
std::cerr << "\n";
);
FileRemover OutputBinaryRemover(OutputBinary);
return RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
InputFile, OutputFile, OutputFile);
}
int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
std::string &OutputFile) {
OutputFile = getUniqueFilename(InputFile+SHLIBEXT);
// Compile the C/asm file into a shared object
const char* GCCArgs[] = {
GCCPath.c_str(),
"-x", (fileType == AsmFile) ? "assembler" : "c",
"-fno-strict-aliasing",
InputFile.c_str(), // Specify the input filename...
#if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
"-G", // Compile a shared library, `-G' for Sparc
#else
"-shared", // `-shared' for Linux/X86, maybe others
#endif
"-o", OutputFile.c_str(), // Output to the right filename...
"-O2", // Optimize the program a bit...
0
};
std::cout << "<gcc>" << std::flush;
if (RunProgramWithTimeout(GCCPath, GCCArgs, "/dev/null", "/dev/null",
"/dev/null")) {
ProcessFailure(GCCPath, GCCArgs);
return 1;
}
return 0;
}
/// create - Try to find the `gcc' executable
///
GCC *GCC::create(const std::string &ProgramPath, std::string &Message) {
std::string GCCPath = FindExecutable("gcc", ProgramPath);
if (GCCPath.empty()) {
Message = "Cannot find `gcc' in executable directory or PATH!\n";
return 0;
}
Message = "Found gcc: " + GCCPath + "\n";
return new GCC(GCCPath);
}
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