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         update();
 132 }
 133
 134 void Architecture::refine(const string &spec)
 135 {
 136         parse_specification(spec);
 137         update();
 138 }
 139
 140 void Architecture::update()
 141 {
 142         name = type;
 143         if(!cpu.empty())
 144                 name += format("-%s", cpu);
 145         if(!fpu.empty())
 146                 name += format("-%s", fpu);
 147         name += format("-%d-%s", bits, system);
 148         if(!toolchain.empty())
 149                 name += format("-%s", toolchain);
 150
 151         filename_patterns.clear();
 152         if(system=="windows")
 153         {
 154                 add_pattern<SharedLibrary>("%.dll");
 155                 if(toolchain=="msvc")
 156                 {
 157                         add_pattern<ObjectFile>("%.obj");
 158                         add_pattern<ImportLibrary>("%.lib");
 159                         add_pattern<StaticLibrary>("%_static.lib");
 160                 }
 161                 else
 162                 {
 163                         add_pattern<ObjectFile>("%.o");
 164                         add_pattern<SharedLibrary>("lib%.dll");
 165                         add_pattern<ImportLibrary>("lib%.dll.a");
 166                         add_pattern<StaticLibrary>("lib%.a");
 167                 }
 168                 add_pattern<Executable>("%.exe");
 169         }
 170         else
 171         {
 172                 add_pattern<ObjectFile>("%.o");
 173                 if(system=="darwin")
 174                         add_pattern<SharedLibrary>("lib%.dylib");
 175                 else
 176                         add_pattern<SharedLibrary>("lib%.so");
 177                 add_pattern<StaticLibrary>("lib%.a");
 178                 add_pattern<Executable>("%");
 179         }
 180 }
 181
 182 bool Architecture::match_name(const string &pattern, unsigned *quality) const
 183 {
 184         bool negate = (pattern[0]=='!');
 185         vector<string> parts = split(pattern.substr(negate), "-");
 186         resolve_aliases(parts);
 187         for(const string &p: parts)
 188         {
 189                 if((p=="32" && bits==32) || (p=="64" && bits==64))
 190                         ;
 191                 else if(p!=type && p!=cpu && p!=fpu && p!=system && p!=toolchain)
 192                 {
 193                         if(quality)
 194                                 *quality = 0;
 195                         return negate;
 196                 }
 197         }
 198
 199         if(quality)
 200                 *quality = parts.size();
 201         return !negate;
 202 }
 203
 204 string Architecture::best_match(const vector<string> &names) const
 205 {
 206         string best;
 207         unsigned best_quality = 0;
 208         for(const string &n: names)
 209         {
 210                 unsigned quality;
 211                 if(match_name(n, &quality))
 212                         if(quality>best_quality)
 213                         {
 214                                 best = n;
 215                                 best_quality = quality;
 216                         }
 217         }
 218
 219         return best;
 220 }
 221
 222 template<typename T>
 223 void Architecture::add_pattern(const string &pat)
 224 {
 225         filename_patterns[typeid(T).name()].push_back(Pattern(pat));
 226 }
 227
 228 void Architecture::resolve_aliases(vector<string> &parts)
 229 {
 230         for(unsigned i=0; i<parts.size(); ++i)
 231         {
 232                 const string &part = parts[i];
 233                 const char *replace = 0;
 234                 for(unsigned j=0; (!replace && aliases[j]); j+=2)
 235                         if(part==aliases[j])
 236                                 replace = aliases[j+1];
 237
 238                 if(replace)
 239                 {
 240                         bool has_dash = false;
 241                         for(const char *c=replace; (!has_dash && *c); ++c)
 242                                 has_dash = (*c=='-');
 243
 244                         if(has_dash)
 245                         {
 246                                 vector<string> rparts = split(replace, "-");
 247                                 parts[i] = rparts[0];
 248                                 parts.insert(parts.begin()+i+1, rparts.begin()+1, rparts.end());
 249                                 i += rparts.size()-1;
 250                         }
 251                         else
 252                                 parts[i] = replace;
 253                 }
 254         }
 255 }
 256
 257 void Architecture::parse_specification(const string &spec)
 258 {
 259         vector<string> parts = split(spec, "-");
 260         resolve_aliases(parts);
 261         for(const string &p: parts)
 262         {
 263                 bool ok = false;
 264
 265                 for(unsigned j=0; (!ok && types[j]); ++j)
 266                         if(p==types[j])
 267                         {
 268                                 if(!type.empty() && p!=type)
 269                                         throw invalid_argument("Conflicting type specification");
 270                                 type = p;
 271                                 ok = true;
 272                         }
 273
 274                 for(unsigned j=0; (!ok && cpus[j]); j+=2)
 275                         if(p==cpus[j])
 276                         {
 277                                 if(type.empty())
 278                                         type = cpus[j+1];
 279                                 else if(cpus[j+1]!=type)
 280                                         throw invalid_argument("Conflicting CPU specification");
 281                                 cpu = p;
 282                                 ok = true;
 283                         }
 284
 285                 for(unsigned j=0; (!ok && fpus[j]); j+=2)
 286                         if(p==fpus[j])
 287                         {
 288                                 if(fpus[j+1]!=type)
 289                                         throw invalid_argument("Conflicting FPU specification");
 290                                 fpu = p;
 291                                 ok = true;
 292                         }
 293
 294                 for(unsigned j=0; (!ok && systems[j]); ++j)
 295                         if(p==systems[j])
 296                         {
 297                                 if(!system.empty() && p!=system)
 298                                         throw invalid_argument("Conflicting system specification");
 299                                 system = p;
 300                                 ok = true;
 301                         }
 302
 303                 for(unsigned j=0; (!ok && toolchains[j]); ++j)
 304                         if(p==toolchains[j])
 305                         {
 306                                 if(!toolchain.empty() && p!=toolchain)
 307                                         throw invalid_argument("Conflicting toolchain specification");
 308                                 toolchain = p;
 309                                 ok = true;
 310                         }
 311
 312                 if(!ok && (p=="32" || p=="64"))
 313                 {
 314                         unsigned b = lexical_cast<unsigned>(p);
 315                         if(bits && b!=bits)
 316                                 throw invalid_argument("Conflicting bits specification");
 317                         bits = b;
 318                         ok = true;
 319                 }
 320
 321                 if(!ok)
 322                         throw invalid_argument("Unrecognized part in arch specification: "+p);
 323         }
 324 }
 325
 326
 327 Architecture::Loader::Loader(Architecture &a):
 328         DataFile::ObjectLoader<Architecture>(a)
 329 {
 330         add("prefix", &Loader::cross_prefix);
 331 }
 332
 333 void Architecture::Loader::cross_prefix(const string &p)
 334 {
 335         if(!obj.native)
 336                 obj.cross_prefix = p;
 337 }