source/architecture.cpp

   1 #include <limits>
   2 #include <msp/strings/format.h>
   3 #include <msp/strings/utils.h>
   4 #include "architecture.h"
   5 #include "builder.h"
   6 #include "executable.h"
   7 #include "importlibrary.h"
   8 #include "objectfile.h"
   9 #include "sharedlibrary.h"
  10 #include "staticlibrary.h"
  11 #include "sysutils.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 namespace {
  17
  18 const char *types[] =
  19 {
  20         "x86",
  21         "arm",
  22         "ppc",
  23         0
  24 };
  25
  26 const char *cpus[] =
  27 {
  28         "i386",       "x86",
  29         "i486",       "x86",
  30         "pentium",    "x86",
  31         "pentiumpro", "x86",
  32         "pentium2",   "x86",
  33         "pentium3",   "x86",
  34         "pentium4",   "x86",
  35         "core2",      "x86",
  36         "nehalem",    "x86",
  37         "k6",         "x86",
  38         "athlon",     "x86",
  39         "athlonxp",   "x86",
  40         "athlon64",   "x86",
  41         "armv5",      "arm",
  42         "armv6",      "arm",
  43         "armv7",      "arm",
  44         "armv7a",     "arm",
  45         0
  46 };
  47
  48 const char *fpus[] =
  49 {
  50         "387",   "x86",
  51         "sse",   "x86",
  52         "vfpv3", "arm",
  53         "neon",  "arm",
  54         0
  55 };
  56
  57 const char *systems[] =
  58 {
  59         "linux",
  60         "freebsd",
  61         "darwin",
  62         "windows",
  63         "android",
  64         0
  65 };
  66
  67 const char *toolchains[] =
  68 {
  69         "gnu",
  70         "clang",
  71         "msvc",
  72         0
  73 };
  74
  75 const char *aliases[] =
  76 {
  77         "pc",              "x86",
  78         "x86_64",          "x86-64",
  79         "x64",             "x86-64",
  80         "amd64",           "x86-64",
  81         "i586",            "pentium",
  82         "i686",            "pentiumpro",
  83         "corei7",          "nehalem",
  84         "win32",           "windows-32",
  85         "win64",           "windows-64",
  86         "power macintosh", "ppc",
  87         "armeabi",         "arm",
  88         "v7a",             "armv7a",
  89         "gcc",             "gnu",
  90         "mingw",           "windows-gnu",
  91         0
  92 };
  93
  94 }
  95
  96 Architecture::Architecture(Builder &b, const string &spec):
  97         builder(b),
  98         bits(0),
  99         native(false)
 100 {
 101         if(spec.empty())
 102         {
 103                 parse_specification(get_system_type());
 104                 // We really only want to set type for the default arch
 105                 cpu.clear();
 106                 bits = sizeof(void *)*numeric_limits<unsigned char>::digits;
 107                 native = true;
 108         }
 109         else
 110         {
 111                 parse_specification(spec);
 112                 const Architecture &native_arch = builder.get_native_arch();
 113                 if(type.empty())
 114                         type = native_arch.type;
 115                 if(system.empty())
 116                         system = native_arch.system;
 117                 if(!bits)
 118                 {
 119                         if(type==native_arch.type)
 120                                 bits = native_arch.bits;
 121                         else
 122                                 bits = 32;
 123                 }
 124
 125                 if(type!=native_arch.type || system!=native_arch.system)
 126                         cross_prefix = format("%s-%s", type, system);
 127                 else if(bits==native_arch.bits)
 128                         native = true;
 129         }
 130
 131         if(toolchain.empty())
 132         {
 133                 if((system=="darwin" || system=="freebsd") && builder.get_vfs().find_binary("clang"))
 134                         toolchain = "clang";
 135                 else if(system=="windows" && native)
 136                         toolchain = "msvc";
 137                 else
 138                         toolchain = "gnu";
 139         }
 140
 141         name = type;
 142         if(!cpu.empty())
 143                 name += format("-%s", cpu);
 144         if(!fpu.empty())
 145                 name += format("-%s", fpu);
 146         name += format("-%d-%s-%s", bits, system, toolchain);
 147
 148         if(system=="windows")
 149         {
 150                 add_pattern<SharedLibrary>("%.dll");
 151                 if(toolchain=="msvc")
 152                 {
 153                         add_pattern<ObjectFile>("%.obj");
 154                         add_pattern<ImportLibrary>("%.lib");
 155                         add_pattern<StaticLibrary>("%_static.lib");
 156                 }
 157                 else
 158                 {
 159                         add_pattern<ObjectFile>("%.o");
 160                         add_pattern<SharedLibrary>("lib%.dll");
 161                         add_pattern<ImportLibrary>("lib%.dll.a");
 162                         add_pattern<StaticLibrary>("lib%.a");
 163                 }
 164                 add_pattern<Executable>("%.exe");
 165         }
 166         else
 167         {
 168                 add_pattern<ObjectFile>("%.o");
 169                 if(system=="darwin")
 170                         add_pattern<SharedLibrary>("lib%.dylib");
 171                 else
 172                         add_pattern<SharedLibrary>("lib%.so");
 173                 add_pattern<StaticLibrary>("lib%.a");
 174                 add_pattern<Executable>("%");
 175         }
 176 }
 177
 178 bool Architecture::match_name(const string &pattern) const
 179 {
 180         bool negate = (pattern[0]=='!');
 181         vector<string> parts = split(pattern.substr(negate), "-");
 182         resolve_aliases(parts);
 183         for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
 184         {
 185                 if((*i=="32" && bits==32) || (*i=="64" && bits==64))
 186                         ;
 187                 else if(*i!=type && *i!=cpu && *i!=fpu && *i!=system && *i!=toolchain)
 188                         return negate;
 189         }
 190         return !negate;
 191 }
 192
 193 string Architecture::best_match(const vector<string> &names) const
 194 {
 195         string best;
 196         unsigned best_size = 0;
 197         for(vector<string>::const_iterator i=names.begin(); i!=names.end(); ++i)
 198                 if(match_name(*i))
 199                 {
 200                         /* TODO Do full parse and alias resolution here?  Otherwise x86 and
 201                         x86_64 are treated as equally good, even though the latter is more
 202                         specific. */
 203                         unsigned size = 1;
 204                         for(string::const_iterator j=i->begin(); j!=i->end(); ++j)
 205                                 size += (*j=='-');
 206
 207                         if(size>best_size)
 208                         {
 209                                 best = *i;
 210                                 best_size = size;
 211                         }
 212                 }
 213
 214         return best;
 215 }
 216
 217 template<typename T>
 218 void Architecture::add_pattern(const string &pat)
 219 {
 220         filename_patterns[typeid(T).name()].push_back(Pattern(pat));
 221 }
 222
 223 void Architecture::resolve_aliases(vector<string> &parts)
 224 {
 225         for(unsigned i=0; i<parts.size(); ++i)
 226         {
 227                 const string &part = parts[i];
 228                 const char *replace = 0;
 229                 for(unsigned j=0; (!replace && aliases[j]); j+=2)
 230                         if(part==aliases[j])
 231                                 replace = aliases[j+1];
 232
 233                 if(replace)
 234                 {
 235                         bool has_dash = false;
 236                         for(const char *c=replace; (!has_dash && *c); ++c)
 237                                 has_dash = (*c=='-');
 238
 239                         if(has_dash)
 240                         {
 241                                 vector<string> rparts = split(replace, "-");
 242                                 parts[i] = rparts[0];
 243                                 parts.insert(parts.begin()+i+1, rparts.begin()+1, rparts.end());
 244                                 i += rparts.size()-1;
 245                         }
 246                         else
 247                                 parts[i] = replace;
 248                 }
 249         }
 250 }
 251
 252 void Architecture::parse_specification(const string &spec)
 253 {
 254         vector<string> parts = split(spec, "-");
 255         resolve_aliases(parts);
 256         for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
 257         {
 258                 bool ok = false;
 259
 260                 for(unsigned j=0; (!ok && types[j]); ++j)
 261                         if(*i==types[j])
 262                         {
 263                                 if(!type.empty() && *i!=type)
 264                                         throw invalid_argument("Conflicting type specification");
 265                                 type = *i;
 266                                 ok = true;
 267                         }
 268
 269                 for(unsigned j=0; (!ok && cpus[j]); j+=2)
 270                         if(*i==cpus[j])
 271                         {
 272                                 if(type.empty())
 273                                         type = cpus[j+1];
 274                                 else if(cpus[j+1]!=type)
 275                                         throw invalid_argument("Conflicting CPU specification");
 276                                 cpu = *i;
 277                                 ok = true;
 278                         }
 279
 280                 for(unsigned j=0; (!ok && fpus[j]); j+=2)
 281                         if(*i==fpus[j])
 282                         {
 283                                 if(fpus[j+1]!=type)
 284                                         throw invalid_argument("Conflicting FPU specification");
 285                                 fpu = *i;
 286                                 ok = true;
 287                         }
 288
 289                 for(unsigned j=0; (!ok && systems[j]); ++j)
 290                         if(*i==systems[j])
 291                         {
 292                                 system = *i;
 293                                 ok = true;
 294                         }
 295
 296                 for(unsigned j=0; (!ok && toolchains[j]); ++j)
 297                         if(*i==toolchains[j])
 298                         {
 299                                 toolchain = *i;
 300                                 ok = true;
 301                         }
 302
 303                 if(!ok && (*i=="32" || *i=="64"))
 304                 {
 305                         bits = lexical_cast<unsigned>(*i);
 306                         ok = true;
 307                 }
 308
 309                 if(!ok)
 310                         throw invalid_argument("Unrecognized part in arch specification: "+*i);
 311         }
 312 }
 313
 314
 315 Architecture::Loader::Loader(Architecture &a):
 316         DataFile::ObjectLoader<Architecture>(a)
 317 {
 318         add("prefix", &Architecture::cross_prefix);
 319 }