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For PR351: 

* Change ExecWait calls to sys::Program::ExecuteAndWait
* Convert to use sys::Path where it makes sense

llvm-svn: 18929
This commit is contained in:
Reid Spencer 2004-12-14 04:20:08 +00:00
parent cdefe0aebc
commit eedafda7bb
4 changed files with 82 additions and 139 deletions
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83
llvm/tools/gccld/GenerateCode.cpp
View File

@ -14,7 +14,7 @@
//===----------------------------------------------------------------------===//
#include "gccld.h"
#include "llvm/Linker.h"
#include "llvm/System/Program.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Analysis/LoadValueNumbering.h"
@ -26,6 +26,7 @@
#include "llvm/Transforms/Scalar.h"
#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
namespace {
@ -234,42 +235,35 @@ int llvm::GenerateBytecode(Module *M, int StripLevel, bool Internalize,
/// InputFilename - The name of the output bytecode file.
/// OutputFilename - The name of the file to generate.
/// llc - The pathname to use for LLC.
/// envp - The environment to use when running LLC.
///
/// Return non-zero value on error.
///
int llvm::GenerateAssembly(const std::string &OutputFilename,
const std::string &InputFilename,
const std::string &llc,
char ** const envp) {
const sys::Path &llc) {
// Run LLC to convert the bytecode file into assembly code.
const char *cmd[6];
cmd[0] = llc.c_str();
cmd[1] = "-f";
cmd[2] = "-o";
cmd[3] = OutputFilename.c_str();
cmd[4] = InputFilename.c_str();
cmd[5] = 0;
std::vector<std::string> args;
args.push_back("-f");
args.push_back("-o");
args.push_back(OutputFilename);
args.push_back(InputFilename);
return ExecWait(cmd, envp);
return sys::Program::ExecuteAndWait(llc, args);
}
/// GenerateAssembly - generates a native assembly language source file from the
/// specified bytecode file.
int llvm::GenerateCFile(const std::string &OutputFile,
const std::string &InputFile,
const std::string &llc, char ** const envp) {
const sys::Path &llc ) {
// Run LLC to convert the bytecode file into C.
const char *cmd[7];
cmd[0] = llc.c_str();
cmd[1] = "-march=c";
cmd[2] = "-f";
cmd[3] = "-o";
cmd[4] = OutputFile.c_str();
cmd[5] = InputFile.c_str();
cmd[6] = 0;
return ExecWait(cmd, envp);
std::vector<std::string> args;
args.push_back("-march=c");
args.push_back("-f");
args.push_back("-o");
args.push_back(OutputFile);
args.push_back(InputFile);
return sys::Program::ExecuteAndWait(llc, args);
}
/// GenerateNative - generates a native assembly language source file from the
@ -279,7 +273,6 @@ int llvm::GenerateCFile(const std::string &OutputFile,
/// InputFilename - The name of the output bytecode file.
/// OutputFilename - The name of the file to generate.
/// Libraries - The list of libraries with which to link.
/// LibPaths - The list of directories in which to find libraries.
/// gcc - The pathname to use for GGC.
/// envp - A copy of the process's current environment.
///
@ -291,8 +284,7 @@ int llvm::GenerateCFile(const std::string &OutputFile,
int llvm::GenerateNative(const std::string &OutputFilename,
const std::string &InputFilename,
const std::vector<std::string> &Libraries,
const std::vector<std::string> &LibPaths,
const std::string &gcc, char ** const envp) {
const sys::Path &gcc, char ** const envp) {
// Remove these environment variables from the environment of the
// programs that we will execute. It appears that GCC sets these
// environment variables so that the programs it uses can configure
@ -309,7 +301,6 @@ int llvm::GenerateNative(const std::string &OutputFilename,
RemoveEnv("COMPILER_PATH", clean_env);
RemoveEnv("COLLECT_GCC", clean_env);
std::vector<const char *> cmd;
// Run GCC to assemble and link the program into native code.
//
@ -317,38 +308,20 @@ int llvm::GenerateNative(const std::string &OutputFilename,
// We can't just assemble and link the file with the system assembler
// and linker because we don't know where to put the _start symbol.
// GCC mysteriously knows how to do it.
cmd.push_back(gcc.c_str());
cmd.push_back("-fno-strict-aliasing");
cmd.push_back("-O3");
cmd.push_back("-o");
cmd.push_back(OutputFilename.c_str());
cmd.push_back(InputFilename.c_str());
// Adding the library paths creates a problem for native generation. If we
// include the search paths from llvmgcc, then we'll be telling normal gcc
// to look inside of llvmgcc's library directories for libraries. This is
// bad because those libraries hold only bytecode files (not native object
// files). In the end, we attempt to link the bytecode libgcc into a native
// program.
#if 0
// Add in the library path options.
for (unsigned index=0; index < LibPaths.size(); index++) {
cmd.push_back("-L");
cmd.push_back(LibPaths[index].c_str());
}
#endif
std::vector<std::string> args;
args.push_back("-fno-strict-aliasing");
args.push_back("-O3");
args.push_back("-o");
args.push_back(OutputFilename);
args.push_back(InputFilename);
// Add in the libraries to link.
std::vector<std::string> Libs(Libraries);
for (unsigned index = 0; index < Libs.size(); index++) {
if (Libs[index] != "crtend") {
Libs[index] = "-l" + Libs[index];
cmd.push_back(Libs[index].c_str());
}
for (unsigned index = 0; index < Libraries.size(); index++) {
if (Libraries[index] != "crtend")
args.push_back("-l" + Libraries[index]);
}
cmd.push_back(NULL);
// Run the compiler to assembly and link together the program.
return ExecWait(&(cmd[0]), clean_env);
return sys::Program::ExecuteAndWait(gcc, args, (const char**)clean_env);
}

25
llvm/tools/gccld/gccld.cpp
View File

@ -283,20 +283,19 @@ int main(int argc, char **argv, char **envp ) {
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
std::string llc = FindExecutable("llc", argv[0]).toString();
if (llc.empty())
sys::Path llc = FindExecutable("llc", argv[0]);
if (llc.isEmpty())
return PrintAndReturn(argv[0], "Failed to find llc");
std::string gcc = FindExecutable("gcc", argv[0]).toString();
if (gcc.empty())
sys::Path gcc = FindExecutable("gcc", argv[0]);
if (gcc.isEmpty())
return PrintAndReturn(argv[0], "Failed to find gcc");
// Generate an assembly language file for the bytecode.
if (Verbose) std::cout << "Generating Assembly Code\n";
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc, envp );
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc);
if (Verbose) std::cout << "Generating Native Code\n";
GenerateNative(OutputFilename, AssemblyFile, Libraries, LibPaths,
gcc, envp );
GenerateNative(OutputFilename, AssemblyFile, Libraries, gcc, envp );
// Remove the assembly language file.
removeFile (AssemblyFile);
@ -308,19 +307,19 @@ int main(int argc, char **argv, char **envp ) {
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
std::string llc = FindExecutable("llc", argv[0]).toString();
if (llc.empty())
sys::Path llc = FindExecutable("llc", argv[0]);
if (llc.isEmpty())
return PrintAndReturn(argv[0], "Failed to find llc");
std::string gcc = FindExecutable("gcc", argv[0]).toString();
if (gcc.empty())
sys::Path gcc = FindExecutable("gcc", argv[0]);
if (gcc.isEmpty())
return PrintAndReturn(argv[0], "Failed to find gcc");
// Generate an assembly language file for the bytecode.
if (Verbose) std::cout << "Generating Assembly Code\n";
GenerateCFile(CFile, RealBytecodeOutput, llc, envp );
GenerateCFile(CFile, RealBytecodeOutput, llc);
if (Verbose) std::cout << "Generating Native Code\n";
GenerateNative(OutputFilename, CFile, Libraries, LibPaths, gcc, envp );
GenerateNative(OutputFilename, CFile, Libraries, gcc, envp );
// Remove the assembly language file.
removeFile(CFile);

8
llvm/tools/gccld/gccld.h
View File

@ -29,17 +29,15 @@ GenerateBytecode (Module * M,
int
GenerateAssembly (const std::string & OutputFilename,
const std::string & InputFilename,
const std::string & llc,
char ** const envp);
const sys::Path & llc);
int GenerateCFile(const std::string &OutputFile, const std::string &InputFile,
const std::string &llc, char ** const envp);
const sys::Path &llc);
int
GenerateNative (const std::string & OutputFilename,
const std::string & InputFilename,
const std::vector<std::string> & Libraries,
const std::vector<std::string> & LibPaths,
const std::string & gcc,
const sys::Path & gcc,
char ** const envp);
} // End llvm namespace

105
llvm/tools/llvm-ld/llvm-ld.cpp
View File

@ -21,6 +21,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Linker.h"
#include "llvm/System/Program.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Bytecode/Reader.h"
@ -215,36 +216,30 @@ void GenerateBytecode(Module* M, const std::string& FileName) {
///
static int GenerateAssembly(const std::string &OutputFilename,
const std::string &InputFilename,
const std::string &llc,
char ** const envp) {
const sys::Path &llc) {
// Run LLC to convert the bytecode file into assembly code.
const char *cmd[6];
cmd[0] = llc.c_str();
cmd[1] = "-f";
cmd[2] = "-o";
cmd[3] = OutputFilename.c_str();
cmd[4] = InputFilename.c_str();
cmd[5] = 0;
std::vector<std::string> args;
args.push_back( "-f");
args.push_back( "-o");
args.push_back( OutputFilename);
args.push_back( InputFilename);
return ExecWait(cmd, envp);
return sys::Program::ExecuteAndWait(llc,args);
}
/// GenerateAssembly - generates a native assembly language source file from the
/// specified bytecode file.
static int GenerateCFile(const std::string &OutputFile,
const std::string &InputFile,
const std::string &llc, char ** const envp) {
const sys::Path &llc) {
// Run LLC to convert the bytecode file into C.
const char *cmd[7];
cmd[0] = llc.c_str();
cmd[1] = "-march=c";
cmd[2] = "-f";
cmd[3] = "-o";
cmd[4] = OutputFile.c_str();
cmd[5] = InputFile.c_str();
cmd[6] = 0;
return ExecWait(cmd, envp);
std::vector<std::string> args;
args.push_back( "-march=c");
args.push_back( "-f");
args.push_back( "-o");
args.push_back( OutputFile);
args.push_back( InputFile);
return sys::Program::ExecuteAndWait(llc, args);
}
/// GenerateNative - generates a native assembly language source file from the
@ -266,8 +261,7 @@ static int GenerateCFile(const std::string &OutputFile,
static int GenerateNative(const std::string &OutputFilename,
const std::string &InputFilename,
const std::vector<std::string> &Libraries,
const std::vector<std::string> &LibPaths,
const std::string &gcc, char ** const envp) {
const sys::Path &gcc, char ** const envp) {
// Remove these environment variables from the environment of the
// programs that we will execute. It appears that GCC sets these
// environment variables so that the programs it uses can configure
@ -284,7 +278,6 @@ static int GenerateNative(const std::string &OutputFilename,
RemoveEnv("COMPILER_PATH", clean_env);
RemoveEnv("COLLECT_GCC", clean_env);
std::vector<const char *> cmd;
// Run GCC to assemble and link the program into native code.
//
@ -292,39 +285,20 @@ static int GenerateNative(const std::string &OutputFilename,
// We can't just assemble and link the file with the system assembler
// and linker because we don't know where to put the _start symbol.
// GCC mysteriously knows how to do it.
cmd.push_back(gcc.c_str());
cmd.push_back("-fno-strict-aliasing");
cmd.push_back("-O3");
cmd.push_back("-o");
cmd.push_back(OutputFilename.c_str());
cmd.push_back(InputFilename.c_str());
// Adding the library paths creates a problem for native generation. If we
// include the search paths from llvmgcc, then we'll be telling normal gcc
// to look inside of llvmgcc's library directories for libraries. This is
// bad because those libraries hold only bytecode files (not native object
// files). In the end, we attempt to link the bytecode libgcc into a native
// program.
#if 0
// Add in the library path options.
for (unsigned index=0; index < LibPaths.size(); index++) {
cmd.push_back("-L");
cmd.push_back(LibPaths[index].c_str());
}
#endif
std::vector<std::string> args;
args.push_back("-fno-strict-aliasing");
args.push_back("-O3");
args.push_back("-o");
args.push_back(OutputFilename);
args.push_back(InputFilename);
// Add in the libraries to link.
std::vector<std::string> Libs(Libraries);
for (unsigned index = 0; index < Libs.size(); index++) {
if (Libs[index] != "crtend") {
Libs[index] = "-l" + Libs[index];
cmd.push_back(Libs[index].c_str());
}
}
cmd.push_back(NULL);
for (unsigned index = 0; index < Libraries.size(); index++)
if (Libraries[index] != "crtend")
args.push_back("-l" + Libraries[index]);
// Run the compiler to assembly and link together the program.
return ExecWait(&(cmd[0]), clean_env);
return sys::Program::ExecuteAndWait(gcc, args, (const char**)clean_env);
}
/// EmitShellScript - Output the wrapper file that invokes the JIT on the LLVM
@ -481,20 +455,19 @@ int main(int argc, char **argv, char **envp) {
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
std::string llc = FindExecutable("llc", argv[0]).toString();
if (llc.empty())
sys::Path llc = FindExecutable("llc", argv[0]);
if (llc.isEmpty())
return PrintAndReturn("Failed to find llc");
std::string gcc = FindExecutable("gcc", argv[0]).toString();
if (gcc.empty())
sys::Path gcc = FindExecutable("gcc", argv[0]);
if (gcc.isEmpty())
return PrintAndReturn("Failed to find gcc");
// Generate an assembly language file for the bytecode.
if (Verbose) std::cout << "Generating Assembly Code\n";
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc, envp);
GenerateAssembly(AssemblyFile, RealBytecodeOutput, llc);
if (Verbose) std::cout << "Generating Native Code\n";
GenerateNative(OutputFilename, AssemblyFile, Libraries, LibPaths,
gcc, envp);
GenerateNative(OutputFilename, AssemblyFile, Libraries, gcc, envp);
// Remove the assembly language file.
removeFile (AssemblyFile);
@ -506,19 +479,19 @@ int main(int argc, char **argv, char **envp) {
sys::RemoveFileOnSignal(sys::Path(OutputFilename));
// Determine the locations of the llc and gcc programs.
std::string llc = FindExecutable("llc", argv[0]).toString();
if (llc.empty())
sys::Path llc = FindExecutable("llc", argv[0]);
if (llc.isEmpty())
return PrintAndReturn("Failed to find llc");
std::string gcc = FindExecutable("gcc", argv[0]).toString();
if (gcc.empty())
sys::Path gcc = FindExecutable("gcc", argv[0]);
if (gcc.isEmpty())
return PrintAndReturn("Failed to find gcc");
// Generate an assembly language file for the bytecode.
if (Verbose) std::cout << "Generating Assembly Code\n";
GenerateCFile(CFile, RealBytecodeOutput, llc, envp);
GenerateCFile(CFile, RealBytecodeOutput, llc);
if (Verbose) std::cout << "Generating Native Code\n";
GenerateNative(OutputFilename, CFile, Libraries, LibPaths, gcc, envp);
GenerateNative(OutputFilename, CFile, Libraries, gcc, envp);
// Remove the assembly language file.
removeFile(CFile);