[llvm-commits] CVS: llvm/support/lib/Support/ToolRunner.cpp

Misha Brukman brukman at cs.uiuc.edu
Mon Sep 29 17:40:10 PDT 2003


Changes in directory llvm/support/lib/Support:

ToolRunner.cpp added (r1.1)

---
Log message:

Implementation of the abstraction of running our tools + gcc, taken out of
bugpoint for general usage and enjoyment.


---
Diffs of the changes:

Index: llvm/support/lib/Support/ToolRunner.cpp
diff -c /dev/null llvm/support/lib/Support/ToolRunner.cpp:1.1
*** /dev/null	Mon Sep 29 17:39:35 2003
--- llvm/support/lib/Support/ToolRunner.cpp	Mon Sep 29 17:39:25 2003
***************
*** 0 ****
--- 1,374 ----
+ #include "Support/Debug.h"
+ #include "Support/FileUtilities.h"
+ #include "Support/ToolRunner.h"
+ 
+ //===---------------------------------------------------------------------===//
+ // LLI Implementation of AbstractIntepreter interface
+ //
+ 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 cl::list<std::string> &Args,
+                              const std::string &InputFile,
+                              const std::string &OutputFile,
+                              const std::string &SharedLib = "");
+ };
+ 
+ int LLI::ExecuteProgram(const std::string &Bytecode,
+                         const cl::list<std::string> &Args,
+                         const std::string &InputFile,
+                         const std::string &OutputFile,
+                         const std::string &SharedLib) {
+   if (!SharedLib.empty()) {
+     std::cerr << "LLI currently does not support loading shared libraries.\n"
+               << "Exiting.\n";
+     exit(1);
+   }
+ 
+   std::vector<const char*> LLIArgs;
+   LLIArgs.push_back(LLIPath.c_str());
+   LLIArgs.push_back("-abort-on-exception");
+   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:\n\t";
+         for (unsigned i=0, e = LLIArgs.size(); 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 *createLLItool(const std::string &ProgramPath, 
+                                    std::string &Message) {
+   std::string LLIPath = FindExecutable("lli", ProgramPath);
+   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
+ //
+ int 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")) {                            
+     // If LLC failed on the bytecode, print error...
+     std::cerr << "Error: `llc' failed!\n";
+     removeFile(OutputAsmFile);
+     return 1;
+   }
+ 
+   return 0;
+ }
+ 
+ int LLC::ExecuteProgram(const std::string &Bytecode,
+                         const cl::list<std::string> &Args,
+                         const std::string &InputFile,
+                         const std::string &OutputFile,
+                         const std::string &SharedLib) {
+ 
+   std::string OutputAsmFile;
+   if (OutputAsm(Bytecode, OutputAsmFile)) {
+     std::cerr << "Could not generate asm code with `llc', exiting.\n";
+     exit(1);
+   }
+ 
+   // Assuming LLC worked, compile the result with GCC and run it.
+   int Result = gcc->ExecuteProgram(OutputAsmFile, Args, AsmFile,
+                                    InputFile, OutputFile, SharedLib);
+   removeFile(OutputAsmFile);
+   return Result;
+ }
+ 
+ /// createLLCtool - Try to find the LLC executable
+ ///
+ LLC *createLLCtool(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 = createGCCtool(ProgramPath, Message);
+   if (!gcc) {
+     std::cerr << Message << "\n";
+     exit(1);
+   }
+   return new LLC(LLCPath, gcc);
+ }
+ 
+ //===---------------------------------------------------------------------===//
+ // JIT Implementation of AbstractIntepreter interface
+ //
+ 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 cl::list<std::string> &Args,
+                              const std::string &InputFile,
+                              const std::string &OutputFile,
+                              const std::string &SharedLib = "");
+ };
+ 
+ int JIT::ExecuteProgram(const std::string &Bytecode,
+                         const cl::list<std::string> &Args,
+                         const std::string &InputFile,
+                         const std::string &OutputFile,
+                         const std::string &SharedLib) {
+   // 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");
+   if (!SharedLib.empty()) {
+     JITArgs.push_back("-load");
+     JITArgs.push_back(SharedLib.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:\n\t";
+         for (unsigned i=0, e = JITArgs.size(); 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);
+ }
+ 
+ /// createJITtool - Try to find the LLI executable
+ ///
+ AbstractInterpreter *createJITtool(const std::string &ProgramPath, 
+                                    std::string &Message) {
+   std::string LLIPath = FindExecutable("lli", ProgramPath);
+   if (!LLIPath.empty()) {
+     Message = "Found lli: " + LLIPath + "\n";
+     return new JIT(LLIPath);
+   }
+ 
+   Message = "Cannot find `lli' in executable directory or PATH!\n";
+   return 0;
+ }
+ 
+ int CBE::OutputC(const std::string &Bytecode,
+                  std::string &OutputCFile) {
+   OutputCFile = getUniqueFilename(Bytecode+".cbe.c");
+   const char *DisArgs[] = {
+     DISPath.c_str(),
+     "-o", OutputCFile.c_str(),   // Output to the C file
+     "-c",                        // Output to C
+     "-f",                        // Overwrite as necessary...
+     Bytecode.c_str(),            // This is the input bytecode
+     0
+   };
+ 
+   std::cout << "<cbe>" << std::flush;
+   if (RunProgramWithTimeout(DISPath, DisArgs, "/dev/null", "/dev/null",
+                             "/dev/null")) {                            
+     // If dis failed on the bytecode, print error...
+     std::cerr << "Error: `llvm-dis -c' failed!\n";
+     return 1;
+   }
+ 
+   return 0;
+ }
+ 
+ int CBE::ExecuteProgram(const std::string &Bytecode,
+                         const cl::list<std::string> &Args,
+                         const std::string &InputFile,
+                         const std::string &OutputFile,
+                         const std::string &SharedLib) {
+   std::string OutputCFile;
+   if (OutputC(Bytecode, OutputCFile)) {
+     std::cerr << "Could not generate C code with `llvm-dis', exiting.\n";
+     exit(1);
+   }
+ 
+   int Result = gcc->ExecuteProgram(OutputCFile, Args, CFile, 
+                                    InputFile, OutputFile, SharedLib);
+   removeFile(OutputCFile);
+ 
+   return Result;
+ }
+ 
+ /// createCBEtool - Try to find the 'dis' executable
+ ///
+ CBE *createCBEtool(const std::string &ProgramPath, std::string &Message) {
+   std::string DISPath = FindExecutable("llvm-dis", ProgramPath);
+   if (DISPath.empty()) {
+     Message = 
+       "Cannot find `llvm-dis' in executable directory or PATH!\n";
+     return 0;
+   }
+ 
+   Message = "Found llvm-dis: " + DISPath + "\n";
+   GCC *gcc = createGCCtool(ProgramPath, Message);
+   if (!gcc) {
+     std::cerr << Message << "\n";
+     exit(1);
+   }
+   return new CBE(DISPath, gcc);
+ }
+ 
+ //===---------------------------------------------------------------------===//
+ // GCC abstraction
+ //
+ // This is not a *real* AbstractInterpreter as it does not accept bytecode
+ // files, but only input acceptable to GCC, i.e. C, C++, and assembly files
+ //
+ int GCC::ExecuteProgram(const std::string &ProgramFile,
+                         const cl::list<std::string> &Args,
+                         FileType fileType,
+                         const std::string &InputFile,
+                         const std::string &OutputFile,
+                         const std::string &SharedLib) {
+   std::string OutputBinary = getUniqueFilename(ProgramFile+".gcc.exe");
+   std::vector<const char*> GCCArgs;
+ 
+   GCCArgs.push_back(GCCPath.c_str());
+   if (!SharedLib.empty()) // Specify the shared library to link in...
+     GCCArgs.push_back(SharedLib.c_str());
+   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");
+   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...
+   GCCArgs.push_back(0);                    // NULL terminator
+ 
+   std::cout << "<gcc>" << std::flush;
+   if (RunProgramWithTimeout(GCCPath, &GCCArgs[0], "/dev/null", "/dev/null",
+                             "/dev/null")) {
+     ProcessFailure(&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:\n\t";
+         for (unsigned i=0, e = ProgramArgs.size(); i != e; ++i)
+           std::cerr << " " << ProgramArgs[i];
+         std::cerr << "\n";
+         );
+   int ProgramResult = RunProgramWithTimeout(OutputBinary, &ProgramArgs[0],
+                                             InputFile, OutputFile, OutputFile);
+   removeFile(OutputBinary);
+   return ProgramResult;
+ }
+ 
+ int GCC::MakeSharedObject(const std::string &InputFile,
+                           FileType fileType,
+                           std::string &OutputFile) {
+   OutputFile = getUniqueFilename(InputFile+".so");
+   // 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(GCCArgs);
+     exit(1);
+   }
+   return 0;
+ }
+ 
+ void GCC::ProcessFailure(const char** GCCArgs) {
+   std::cerr << "\n*** Error: invocation of the C compiler failed!\n";
+   for (const char **Arg = GCCArgs; *Arg; ++Arg)
+     std::cerr << " " << *Arg;
+   std::cerr << "\n";
+ 
+   // Rerun the compiler, capturing any error messages to print them.
+   std::string ErrorFilename = getUniqueFilename("gcc.errors");
+   RunProgramWithTimeout(GCCPath, GCCArgs, "/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>(std::cerr));
+     ErrorFile.close();
+     std::cerr << "\n";      
+   }
+ 
+   removeFile(ErrorFilename);
+ }
+ 
+ /// createGCCtool - Try to find the `gcc' executable
+ ///
+ GCC *createGCCtool(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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