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         "sse3",  "x86",
  53         "sse4.1", "x86",
  54         "vfpv3", "arm",
  55         "neon",  "arm",
  56         0
  57 };
  58
  59 const char *systems[] =
  60 {
  61         "linux",
  62         "freebsd",
  63         "darwin",
  64         "windows",
  65         "android",
  66         0
  67 };
  68
  69 const char *toolchains[] =
  70 {
  71         "gnu",
  72         "clang",
  73         "msvc",
  74         0
  75 };
  76
  77 const char *aliases[] =
  78 {
  79         "pc",              "x86",
  80         "x86_64",          "x86-64",
  81         "x64",             "x86-64",
  82         "amd64",           "x86-64",
  83         "i586",            "pentium",
  84         "i686",            "pentiumpro",
  85         "corei7",          "nehalem",
  86         "win32",           "windows-32",
  87         "win64",           "windows-64",
  88         "power macintosh", "ppc",
  89         "armeabi",         "arm",
  90         "v7a",             "armv7a",
  91         "gcc",             "gnu",
  92         "mingw",           "windows-gnu",
  93         0
  94 };
  95
  96 }
  97
  98 Architecture::Architecture(Builder &b, const string &spec):
  99         builder(b)
 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         update();
 142 }
 143
 144 void Architecture::refine(const string &spec)
 145 {
 146         parse_specification(spec);
 147         update();
 148 }
 149
 150 void Architecture::update()
 151 {
 152         name = type;
 153         if(!cpu.empty())
 154                 name += format("-%s", cpu);
 155         if(!fpu.empty())
 156                 name += format("-%s", fpu);
 157         name += format("-%d-%s-%s", bits, system, toolchain);
 158
 159         filename_patterns.clear();
 160         if(system=="windows")
 161         {
 162                 add_pattern<SharedLibrary>("%.dll");
 163                 if(toolchain=="msvc")
 164                 {
 165                         add_pattern<ObjectFile>("%.obj");
 166                         add_pattern<ImportLibrary>("%.lib");
 167                         add_pattern<StaticLibrary>("%_static.lib");
 168                 }
 169                 else
 170                 {
 171                         add_pattern<ObjectFile>("%.o");
 172                         add_pattern<SharedLibrary>("lib%.dll");
 173                         add_pattern<ImportLibrary>("lib%.dll.a");
 174                         add_pattern<StaticLibrary>("lib%.a");
 175                 }
 176                 add_pattern<Executable>("%.exe");
 177         }
 178         else
 179         {
 180                 add_pattern<ObjectFile>("%.o");
 181                 if(system=="darwin")
 182                         add_pattern<SharedLibrary>("lib%.dylib");
 183                 else
 184                         add_pattern<SharedLibrary>("lib%.so");
 185                 add_pattern<StaticLibrary>("lib%.a");
 186                 add_pattern<Executable>("%");
 187         }
 188 }
 189
 190 bool Architecture::match_name(const string &pattern, unsigned *quality) const
 191 {
 192         bool negate = (pattern[0]=='!');
 193         vector<string> parts = split(pattern.substr(negate), "-");
 194         resolve_aliases(parts);
 195         for(const string &p: parts)
 196         {
 197                 if((p=="32" && bits==32) || (p=="64" && bits==64))
 198                         ;
 199                 else if(p!=type && p!=cpu && p!=fpu && p!=system && p!=toolchain)
 200                 {
 201                         if(quality)
 202                                 *quality = 0;
 203                         return negate;
 204                 }
 205         }
 206
 207         if(quality)
 208                 *quality = parts.size();
 209         return !negate;
 210 }
 211
 212 string Architecture::best_match(const vector<string> &names) const
 213 {
 214         string best;
 215         unsigned best_quality = 0;
 216         for(const string &n: names)
 217         {
 218                 unsigned quality;
 219                 if(match_name(n, &quality))
 220                         if(quality>best_quality)
 221                         {
 222                                 best = n;
 223                                 best_quality = quality;
 224                         }
 225         }
 226
 227         return best;
 228 }
 229
 230 template<typename T>
 231 void Architecture::add_pattern(const string &pat)
 232 {
 233         filename_patterns[typeid(T).name()].push_back(Pattern(pat));
 234 }
 235
 236 void Architecture::resolve_aliases(vector<string> &parts)
 237 {
 238         for(unsigned i=0; i<parts.size(); ++i)
 239         {
 240                 const string &part = parts[i];
 241                 const char *replace = 0;
 242                 for(unsigned j=0; (!replace && aliases[j]); j+=2)
 243                         if(part==aliases[j])
 244                                 replace = aliases[j+1];
 245
 246                 if(replace)
 247                 {
 248                         bool has_dash = false;
 249                         for(const char *c=replace; (!has_dash && *c); ++c)
 250                                 has_dash = (*c=='-');
 251
 252                         if(has_dash)
 253                         {
 254                                 vector<string> rparts = split(replace, "-");
 255                                 parts[i] = rparts[0];
 256                                 parts.insert(parts.begin()+i+1, rparts.begin()+1, rparts.end());
 257                                 i += rparts.size()-1;
 258                         }
 259                         else
 260                                 parts[i] = replace;
 261                 }
 262         }
 263 }
 264
 265 void Architecture::parse_specification(const string &spec)
 266 {
 267         vector<string> parts = split(spec, "-");
 268         resolve_aliases(parts);
 269         for(const string &p: parts)
 270         {
 271                 bool ok = false;
 272
 273                 for(unsigned j=0; (!ok && types[j]); ++j)
 274                         if(p==types[j])
 275                         {
 276                                 if(!type.empty() && p!=type)
 277                                         throw invalid_argument("Conflicting type specification");
 278                                 type = p;
 279                                 ok = true;
 280                         }
 281
 282                 for(unsigned j=0; (!ok && cpus[j]); j+=2)
 283                         if(p==cpus[j])
 284                         {
 285                                 if(type.empty())
 286                                         type = cpus[j+1];
 287                                 else if(cpus[j+1]!=type)
 288                                         throw invalid_argument("Conflicting CPU specification");
 289                                 cpu = p;
 290                                 ok = true;
 291                         }
 292
 293                 for(unsigned j=0; (!ok && fpus[j]); j+=2)
 294                         if(p==fpus[j])
 295                         {
 296                                 if(fpus[j+1]!=type)
 297                                         throw invalid_argument("Conflicting FPU specification");
 298                                 fpu = p;
 299                                 ok = true;
 300                         }
 301
 302                 for(unsigned j=0; (!ok && systems[j]); ++j)
 303                         if(p==systems[j])
 304                         {
 305                                 system = p;
 306                                 ok = true;
 307                         }
 308
 309                 for(unsigned j=0; (!ok && toolchains[j]); ++j)
 310                         if(p==toolchains[j])
 311                         {
 312                                 toolchain = p;
 313                                 ok = true;
 314                         }
 315
 316                 if(!ok && (p=="32" || p=="64"))
 317                 {
 318                         bits = lexical_cast<unsigned>(p);
 319                         ok = true;
 320                 }
 321
 322                 if(!ok)
 323                         throw invalid_argument("Unrecognized part in arch specification: "+p);
 324         }
 325 }
 326
 327
 328 Architecture::Loader::Loader(Architecture &a):
 329         DataFile::ObjectLoader<Architecture>(a)
 330 {
 331         add("prefix", &Architecture::cross_prefix);
 332 }