llvm/tools/llvmc/example/mcc16/plugins/PIC16Base/PluginMain.cpp

#include "AutoGenerated.inc"
#include "llvm/System/Path.h"

namespace llvmc {
  extern char *ProgramName;
}

// Returns the platform specific directory separator via #ifdefs.
static std::string GetDirSeparator(void) {
  return "/";
}

namespace hooks {
std::string GetBinDir (void) {
  // Construct a Path object from the program name.  
  llvm::sys::Path ProgramFullName(llvmc::ProgramName, 
                                  strlen(llvmc::ProgramName));

  // Get the dir name for the program. It's last component should be 'bin'.
  std::string BinDir = ProgramFullName.getDirname();

  return BinDir + GetDirSeparator();
}

std::string GetInstallDir (void) {
  llvm::sys::Path BinDirPath = llvm::sys::Path(GetBinDir());

  // Go one more level up to get the install dir.
  std::string InstallDir  = BinDirPath.getDirname();
  
  return InstallDir + GetDirSeparator();
}

std::string GetStdHeadersDir (void) {
  return GetInstallDir() + "include";
}

std::string GetStdAsmHeadersDir (void) {
  return GetInstallDir() + "inc";
}
std::string GetStdLinkerScriptsDir (void) {
  return GetInstallDir() + "lkr";
}

std::string GetStdLibsDir (void) {
  return GetInstallDir() + "lib";
}
}