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For PR351:

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18929 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2004-12-14 04:20:08 +00:00
parent e2e2411f40
commit 6da1e0d50f
4 changed files with 82 additions and 139 deletions
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83
tools/gccld/GenerateCode.cpp
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@ -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);
}