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llvm-6502/tools/bugpoint/ToolRunner.cpp
Chris Lattner 629e48768a After telling GCC to type of the input file with -x asm/-x c, switch back to 
-x none, to not foul up autodetection of .a file or .dylibs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28741 91177308-0d34-0410-b5e6-96231b3b80d8
2006-06-09 21:31:53 +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 "ToolRunner.h"
#include "llvm/Config/config.h" // for HAVE_LINK_R
#include "llvm/System/Program.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FileUtilities.h"
#include <fstream>
#include <sstream>
#include <iostream>
using namespace llvm;
ToolExecutionError::~ToolExecutionError() throw() { }
/// RunProgramWithTimeout - This function provides an alternate interface to the
/// sys::Program::ExecuteAndWait interface.
/// @see sys:Program::ExecuteAndWait
static int RunProgramWithTimeout(const sys::Path &ProgramPath,
const char **Args,
const sys::Path &StdInFile,
const sys::Path &StdOutFile,
const sys::Path &StdErrFile,
unsigned NumSeconds = 0) {
const sys::Path* redirects[3];
redirects[0] = &StdInFile;
redirects[1] = &StdOutFile;
redirects[2] = &StdErrFile;
return
sys::Program::ExecuteAndWait(ProgramPath, Args, 0, redirects, NumSeconds);
}
static void ProcessFailure(sys::Path 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.
sys::Path ErrorFilename("error_messages");
ErrorFilename.makeUnique();
RunProgramWithTimeout(ProgPath, Args, sys::Path(""), ErrorFilename,
ErrorFilename);
// 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();
}
ErrorFilename.eraseFromDisk();
throw ToolExecutionError(OS.str());
}
//===---------------------------------------------------------------------===//
// LLI Implementation of AbstractIntepreter interface
//
namespace {
class LLI : public AbstractInterpreter {
std::string LLIPath; // The path to the LLI executable
std::vector<std::string> ToolArgs; // Args to pass to LLI
public:
LLI(const std::string &Path, const std::vector<std::string> *Args)
: LLIPath(Path) {
ToolArgs.clear ();
if (Args) { ToolArgs = *Args; }
}
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> &GCCArgs,
const std::vector<std::string> &SharedLibs =
std::vector<std::string>(),
unsigned Timeout = 0);
};
}
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> &GCCArgs,
const std::vector<std::string> &SharedLibs,
unsigned Timeout) {
if (!SharedLibs.empty())
throw ToolExecutionError("LLI currently does not support "
"loading shared libraries.");
if (!GCCArgs.empty())
throw ToolExecutionError("LLI currently does not support "
"GCC Arguments.");
std::vector<const char*> LLIArgs;
LLIArgs.push_back(LLIPath.c_str());
LLIArgs.push_back("-force-interpreter=true");
// Add any extra LLI args.
for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
LLIArgs.push_back(ToolArgs[i].c_str());
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(sys::Path(LLIPath), &LLIArgs[0],
sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
Timeout);
}
// LLI create method - Try to find the LLI executable
AbstractInterpreter *AbstractInterpreter::createLLI(const std::string &ProgPath,
std::string &Message,
const std::vector<std::string> *ToolArgs) {
std::string LLIPath = FindExecutable("lli", ProgPath).toString();
if (!LLIPath.empty()) {
Message = "Found lli: " + LLIPath + "\n";
return new LLI(LLIPath, ToolArgs);
}
Message = "Cannot find `lli' in executable directory or PATH!\n";
return 0;
}
//===----------------------------------------------------------------------===//
// LLC Implementation of AbstractIntepreter interface
//
void LLC::OutputAsm(const std::string &Bytecode, sys::Path &OutputAsmFile) {
sys::Path uniqueFile(Bytecode+".llc.s");
uniqueFile.makeUnique();
OutputAsmFile = uniqueFile;
std::vector<const char *> LLCArgs;
LLCArgs.push_back (LLCPath.c_str());
// Add any extra LLC args.
for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
LLCArgs.push_back(ToolArgs[i].c_str());
LLCArgs.push_back ("-o");
LLCArgs.push_back (OutputAsmFile.c_str()); // Output to the Asm file
LLCArgs.push_back ("-f"); // Overwrite as necessary...
LLCArgs.push_back (Bytecode.c_str()); // This is the input bytecode
LLCArgs.push_back (0);
std::cout << "<llc>" << std::flush;
DEBUG(std::cerr << "\nAbout to run:\t";
for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
std::cerr << " " << LLCArgs[i];
std::cerr << "\n";
);
if (RunProgramWithTimeout(sys::Path(LLCPath), &LLCArgs[0],
sys::Path(), sys::Path(), sys::Path()))
ProcessFailure(sys::Path(LLCPath), &LLCArgs[0]);
}
void LLC::compileProgram(const std::string &Bytecode) {
sys::Path OutputAsmFile;
OutputAsm(Bytecode, OutputAsmFile);
OutputAsmFile.eraseFromDisk();
}
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> &ArgsForGCC,
const std::vector<std::string> &SharedLibs,
unsigned Timeout) {
sys::Path OutputAsmFile;
OutputAsm(Bytecode, OutputAsmFile);
FileRemover OutFileRemover(OutputAsmFile);
std::vector<std::string> GCCArgs(ArgsForGCC);
GCCArgs.insert(GCCArgs.end(),SharedLibs.begin(),SharedLibs.end());
// Assuming LLC worked, compile the result with GCC and run it.
return gcc->ExecuteProgram(OutputAsmFile.toString(), Args, GCC::AsmFile,
InputFile, OutputFile, GCCArgs, Timeout);
}
/// createLLC - Try to find the LLC executable
///
LLC *AbstractInterpreter::createLLC(const std::string &ProgramPath,
std::string &Message,
const std::vector<std::string> *Args) {
std::string LLCPath = FindExecutable("llc", ProgramPath).toString();
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, Args);
}
//===---------------------------------------------------------------------===//
// JIT Implementation of AbstractIntepreter interface
//
namespace {
class JIT : public AbstractInterpreter {
std::string LLIPath; // The path to the LLI executable
std::vector<std::string> ToolArgs; // Args to pass to LLI
public:
JIT(const std::string &Path, const std::vector<std::string> *Args)
: LLIPath(Path) {
ToolArgs.clear ();
if (Args) { ToolArgs = *Args; }
}
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> &GCCArgs =
std::vector<std::string>(),
const std::vector<std::string> &SharedLibs =
std::vector<std::string>(),
unsigned Timeout =0 );
};
}
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> &GCCArgs,
const std::vector<std::string> &SharedLibs,
unsigned Timeout) {
if (!GCCArgs.empty())
throw ToolExecutionError("JIT does not support GCC Arguments.");
// 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("-force-interpreter=false");
// Add any extra LLI args.
for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
JITArgs.push_back(ToolArgs[i].c_str());
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(sys::Path(LLIPath), &JITArgs[0],
sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
Timeout);
}
/// createJIT - Try to find the LLI executable
///
AbstractInterpreter *AbstractInterpreter::createJIT(const std::string &ProgPath,
std::string &Message, const std::vector<std::string> *Args) {
std::string LLIPath = FindExecutable("lli", ProgPath).toString();
if (!LLIPath.empty()) {
Message = "Found lli: " + LLIPath + "\n";
return new JIT(LLIPath, Args);
}
Message = "Cannot find `lli' in executable directory or PATH!\n";
return 0;
}
void CBE::OutputC(const std::string &Bytecode, sys::Path& OutputCFile) {
sys::Path uniqueFile(Bytecode+".cbe.c");
uniqueFile.makeUnique();
OutputCFile = uniqueFile;
std::vector<const char *> LLCArgs;
LLCArgs.push_back (LLCPath.c_str());
// Add any extra LLC args.
for (unsigned i = 0, e = ToolArgs.size(); i != e; ++i)
LLCArgs.push_back(ToolArgs[i].c_str());
LLCArgs.push_back ("-o");
LLCArgs.push_back (OutputCFile.c_str()); // Output to the C file
LLCArgs.push_back ("-march=c"); // Output C language
LLCArgs.push_back ("-f"); // Overwrite as necessary...
LLCArgs.push_back (Bytecode.c_str()); // This is the input bytecode
LLCArgs.push_back (0);
std::cout << "<cbe>" << std::flush;
DEBUG(std::cerr << "\nAbout to run:\t";
for (unsigned i=0, e = LLCArgs.size()-1; i != e; ++i)
std::cerr << " " << LLCArgs[i];
std::cerr << "\n";
);
if (RunProgramWithTimeout(LLCPath, &LLCArgs[0], sys::Path(), sys::Path(),
sys::Path()))
ProcessFailure(LLCPath, &LLCArgs[0]);
}
void CBE::compileProgram(const std::string &Bytecode) {
sys::Path OutputCFile;
OutputC(Bytecode, OutputCFile);
OutputCFile.eraseFromDisk();
}
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> &ArgsForGCC,
const std::vector<std::string> &SharedLibs,
unsigned Timeout) {
sys::Path OutputCFile;
OutputC(Bytecode, OutputCFile);
FileRemover CFileRemove(OutputCFile);
std::vector<std::string> GCCArgs(ArgsForGCC);
GCCArgs.insert(GCCArgs.end(),SharedLibs.begin(),SharedLibs.end());
return gcc->ExecuteProgram(OutputCFile.toString(), Args, GCC::CFile,
InputFile, OutputFile, GCCArgs, Timeout);
}
/// createCBE - Try to find the 'llc' executable
///
CBE *AbstractInterpreter::createCBE(const std::string &ProgramPath,
std::string &Message,
const std::vector<std::string> *Args) {
sys::Path LLCPath = FindExecutable("llc", ProgramPath);
if (LLCPath.isEmpty()) {
Message =
"Cannot find `llc' in executable directory or PATH!\n";
return 0;
}
Message = "Found llc: " + LLCPath.toString() + "\n";
GCC *gcc = GCC::create(ProgramPath, Message);
if (!gcc) {
std::cerr << Message << "\n";
exit(1);
}
return new CBE(LLCPath, gcc, Args);
}
//===---------------------------------------------------------------------===//
// 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> &ArgsForGCC,
unsigned Timeout ) {
std::vector<const char*> GCCArgs;
GCCArgs.push_back(GCCPath.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");
#ifdef __APPLE__
GCCArgs.push_back("-force_cpusubtype_ALL");
#endif
}
GCCArgs.push_back(ProgramFile.c_str()); // Specify the input filename...
GCCArgs.push_back("-x");
GCCArgs.push_back("none");
GCCArgs.push_back("-o");
sys::Path OutputBinary (ProgramFile+".gcc.exe");
OutputBinary.makeUnique();
GCCArgs.push_back(OutputBinary.c_str()); // Output to the right file...
// Add any arguments intended for GCC. We locate them here because this is
// most likely -L and -l options that need to come before other libraries but
// after the source. Other options won't be sensitive to placement on the
// command line, so this should be safe.
for (unsigned i = 0, e = ArgsForGCC.size(); i != e; ++i)
GCCArgs.push_back(ArgsForGCC[i].c_str());
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
#ifdef __sparc__
GCCArgs.push_back("-mcpu=v9");
#endif
GCCArgs.push_back(0); // NULL terminator
std::cout << "<gcc>" << std::flush;
if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], sys::Path(), sys::Path(),
sys::Path())) {
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],
sys::Path(InputFile), sys::Path(OutputFile), sys::Path(OutputFile),
Timeout);
}
int GCC::MakeSharedObject(const std::string &InputFile, FileType fileType,
std::string &OutputFile) {
sys::Path uniqueFilename(InputFile+LTDL_SHLIB_EXT);
uniqueFilename.makeUnique();
OutputFile = uniqueFilename.toString();
// 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
#elif defined(__APPLE__)
"-single_module", // link all source files into a single module
"-dynamiclib", // `-dynamiclib' for MacOS X/PowerPC
"-undefined", // in data segment, rather than generating
"dynamic_lookup", // blocks. dynamic_lookup requires that you set
// MACOSX_DEPLOYMENT_TARGET=10.3 in your env.
#else
"-shared", // `-shared' for Linux/X86, maybe others
#endif
#if defined(__ia64__) || defined(__alpha__)
"-fPIC", // IA64 requires shared objs to contain PIC
#endif
#ifdef __sparc__
"-mcpu=v9",
#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, sys::Path(), sys::Path(),
sys::Path())) {
ProcessFailure(GCCPath, GCCArgs);
return 1;
}
return 0;
}
/// create - Try to find the `gcc' executable
///
GCC *GCC::create(const std::string &ProgramPath, std::string &Message) {
sys::Path GCCPath = FindExecutable("gcc", ProgramPath);
if (GCCPath.isEmpty()) {
Message = "Cannot find `gcc' in executable directory or PATH!\n";
return 0;
}
Message = "Found gcc: " + GCCPath.toString() + "\n";
return new GCC(GCCPath);
}
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