tools/llvmc/examples/mcc16/Hooks.cpp

   1 #include "llvm/Support/Path.h"
   2 #include "llvm/Support/CommandLine.h"
   3 #include "llvm/Support/raw_ostream.h"
   4
   5 #include <string>
   6
   7 namespace llvmc {
   8   extern char *ProgramName;
   9
  10   namespace autogenerated {
  11     extern llvm::cl::opt<std::string> Parameter_p;
  12   }
  13 }
  14
  15 using namespace llvm;
  16 using namespace llvmc;
  17
  18 // Returns the platform specific directory separator via #ifdefs.
  19 // FIXME: This currently work on linux and windows only. It does not
  20 // work on other unices.
  21 static std::string GetDirSeparator() {
  22 #if __linux__ || __APPLE__
  23   return "/";
  24 #else
  25   return "\\";
  26 #endif
  27 }
  28
  29 namespace hooks {
  30 // Get preprocessor define for the part.
  31 // It is __partname format in lower case.
  32 std::string
  33 GetLowerCasePartDefine(void) {
  34   std::string Partname;
  35   if (autogenerated::Parameter_p.empty()) {
  36     Partname = "16f1xxx";
  37   } else {
  38     Partname = autogenerated::Parameter_p;
  39   }
  40
  41   std::string LowerCase;
  42   for (unsigned i = 0; i < Partname.size(); i++) {
  43     LowerCase.push_back(std::tolower(Partname[i]));
  44   }
  45
  46   return "__" + LowerCase;
  47 }
  48
  49 std::string
  50 GetUpperCasePartDefine(void) {
  51   std::string Partname;
  52   if (autogenerated::Parameter_p.empty()) {
  53     Partname = "16f1xxx";
  54   } else {
  55     Partname = autogenerated::Parameter_p;
  56   }
  57
  58   std::string UpperCase;
  59   for (unsigned i = 0; i < Partname.size(); i++) {
  60     UpperCase.push_back(std::toupper(Partname[i]));
  61   }
  62
  63   return "__" +  UpperCase;
  64 }
  65
  66 // Get the dir where c16 executables reside.
  67 std::string GetBinDir() {
  68   // Construct a Path object from the program name.
  69   void *P = (void*) (intptr_t) GetBinDir;
  70   sys::Path ProgramFullPath
  71     = sys::Path::GetMainExecutable(llvmc::ProgramName, P);
  72
  73   // Get the dir name for the program. It's last component should be 'bin'.
  74   std::string BinDir = ProgramFullPath.getDirname();
  75
  76   // llvm::errs() << "BinDir: " << BinDir << '\n';
  77   return BinDir + GetDirSeparator();
  78 }
  79
  80 // Get the Top-level Installation dir for c16.
  81 std::string GetInstallDir() {
  82   sys::Path BinDirPath = sys::Path(GetBinDir());
  83
  84   // Go one more level up to get the install dir.
  85   std::string InstallDir  = BinDirPath.getDirname();
  86
  87   return InstallDir + GetDirSeparator();
  88 }
  89
  90 // Get the dir where the c16 header files reside.
  91 std::string GetStdHeadersDir() {
  92   return GetInstallDir() + "include";
  93 }
  94
  95 // Get the dir where the assembler header files reside.
  96 std::string GetStdAsmHeadersDir() {
  97   return GetInstallDir() + "inc";
  98 }
  99
 100 // Get the dir where the linker scripts reside.
 101 std::string GetStdLinkerScriptsDir() {
 102   return GetInstallDir() + "lkr";
 103 }
 104
 105 // Get the dir where startup code, intrinsics and lib reside.
 106 std::string GetStdLibsDir() {
 107   return GetInstallDir() + "lib";
 108 }
 109 }