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         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, unsigned *quality) const
 179 {
 180         bool negate = (pattern[0]=='!');
 181         vector<string> parts = split(pattern.substr(negate), "-");
 182         resolve_aliases(parts);
 183         for(const string &p: parts)
 184         {
 185                 if((p=="32" && bits==32) || (p=="64" && bits==64))
 186                         ;
 187                 else if(p!=type && p!=cpu && p!=fpu && p!=system && p!=toolchain)
 188                 {
 189                         if(quality)
 190                                 *quality = 0;
 191                         return negate;
 192                 }
 193         }
 194
 195         if(quality)
 196                 *quality = parts.size();
 197         return !negate;
 198 }
 199
 200 string Architecture::best_match(const vector<string> &names) const
 201 {
 202         string best;
 203         unsigned best_quality = 0;
 204         for(const string &n: names)
 205         {
 206                 unsigned quality;
 207                 if(match_name(n, &quality))
 208                         if(quality>best_quality)
 209                         {
 210                                 best = n;
 211                                 best_quality = quality;
 212                         }
 213         }
 214
 215         return best;
 216 }
 217
 218 template<typename T>
 219 void Architecture::add_pattern(const string &pat)
 220 {
 221         filename_patterns[typeid(T).name()].push_back(Pattern(pat));
 222 }
 223
 224 void Architecture::resolve_aliases(vector<string> &parts)
 225 {
 226         for(unsigned i=0; i<parts.size(); ++i)
 227         {
 228                 const string &part = parts[i];
 229                 const char *replace = 0;
 230                 for(unsigned j=0; (!replace && aliases[j]); j+=2)
 231                         if(part==aliases[j])
 232                                 replace = aliases[j+1];
 233
 234                 if(replace)
 235                 {
 236                         bool has_dash = false;
 237                         for(const char *c=replace; (!has_dash && *c); ++c)
 238                                 has_dash = (*c=='-');
 239
 240                         if(has_dash)
 241                         {
 242                                 vector<string> rparts = split(replace, "-");
 243                                 parts[i] = rparts[0];
 244                                 parts.insert(parts.begin()+i+1, rparts.begin()+1, rparts.end());
 245                                 i += rparts.size()-1;
 246                         }
 247                         else
 248                                 parts[i] = replace;
 249                 }
 250         }
 251 }
 252
 253 void Architecture::parse_specification(const string &spec)
 254 {
 255         vector<string> parts = split(spec, "-");
 256         resolve_aliases(parts);
 257         for(const string &p: parts)
 258         {
 259                 bool ok = false;
 260
 261                 for(unsigned j=0; (!ok && types[j]); ++j)
 262                         if(p==types[j])
 263                         {
 264                                 if(!type.empty() && p!=type)
 265                                         throw invalid_argument("Conflicting type specification");
 266                                 type = p;
 267                                 ok = true;
 268                         }
 269
 270                 for(unsigned j=0; (!ok && cpus[j]); j+=2)
 271                         if(p==cpus[j])
 272                         {
 273                                 if(type.empty())
 274                                         type = cpus[j+1];
 275                                 else if(cpus[j+1]!=type)
 276                                         throw invalid_argument("Conflicting CPU specification");
 277                                 cpu = p;
 278                                 ok = true;
 279                         }
 280
 281                 for(unsigned j=0; (!ok && fpus[j]); j+=2)
 282                         if(p==fpus[j])
 283                         {
 284                                 if(fpus[j+1]!=type)
 285                                         throw invalid_argument("Conflicting FPU specification");
 286                                 fpu = p;
 287                                 ok = true;
 288                         }
 289
 290                 for(unsigned j=0; (!ok && systems[j]); ++j)
 291                         if(p==systems[j])
 292                         {
 293                                 system = p;
 294                                 ok = true;
 295                         }
 296
 297                 for(unsigned j=0; (!ok && toolchains[j]); ++j)
 298                         if(p==toolchains[j])
 299                         {
 300                                 toolchain = p;
 301                                 ok = true;
 302                         }
 303
 304                 if(!ok && (p=="32" || p=="64"))
 305                 {
 306                         bits = lexical_cast<unsigned>(p);
 307                         ok = true;
 308                 }
 309
 310                 if(!ok)
 311                         throw invalid_argument("Unrecognized part in arch specification: "+p);
 312         }
 313 }
 314
 315
 316 Architecture::Loader::Loader(Architecture &a):
 317         DataFile::ObjectLoader<Architecture>(a)
 318 {
 319         add("prefix", &Architecture::cross_prefix);
 320 }