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         bits(0),
 101         native(false)
 102 {
 103         if(spec.empty())
 104         {
 105                 parse_specification(get_system_type());
 106                 // We really only want to set type for the default arch
 107                 cpu.clear();
 108                 bits = sizeof(void *)*numeric_limits<unsigned char>::digits;
 109                 native = true;
 110         }
 111         else
 112         {
 113                 parse_specification(spec);
 114                 const Architecture &native_arch = builder.get_native_arch();
 115                 if(type.empty())
 116                         type = native_arch.type;
 117                 if(system.empty())
 118                         system = native_arch.system;
 119                 if(!bits)
 120                 {
 121                         if(type==native_arch.type)
 122                                 bits = native_arch.bits;
 123                         else
 124                                 bits = 32;
 125                 }
 126
 127                 if(type!=native_arch.type || system!=native_arch.system)
 128                         cross_prefix = format("%s-%s", type, system);
 129                 else if(bits==native_arch.bits)
 130                         native = true;
 131         }
 132
 133         if(toolchain.empty())
 134         {
 135                 if((system=="darwin" || system=="freebsd") && builder.get_vfs().find_binary("clang"))
 136                         toolchain = "clang";
 137                 else if(system=="windows" && native)
 138                         toolchain = "msvc";
 139                 else
 140                         toolchain = "gnu";
 141         }
 142
 143         name = type;
 144         if(!cpu.empty())
 145                 name += format("-%s", cpu);
 146         if(!fpu.empty())
 147                 name += format("-%s", fpu);
 148         name += format("-%d-%s-%s", bits, system, toolchain);
 149
 150         if(system=="windows")
 151         {
 152                 add_pattern<SharedLibrary>("%.dll");
 153                 if(toolchain=="msvc")
 154                 {
 155                         add_pattern<ObjectFile>("%.obj");
 156                         add_pattern<ImportLibrary>("%.lib");
 157                         add_pattern<StaticLibrary>("%_static.lib");
 158                 }
 159                 else
 160                 {
 161                         add_pattern<ObjectFile>("%.o");
 162                         add_pattern<SharedLibrary>("lib%.dll");
 163                         add_pattern<ImportLibrary>("lib%.dll.a");
 164                         add_pattern<StaticLibrary>("lib%.a");
 165                 }
 166                 add_pattern<Executable>("%.exe");
 167         }
 168         else
 169         {
 170                 add_pattern<ObjectFile>("%.o");
 171                 if(system=="darwin")
 172                         add_pattern<SharedLibrary>("lib%.dylib");
 173                 else
 174                         add_pattern<SharedLibrary>("lib%.so");
 175                 add_pattern<StaticLibrary>("lib%.a");
 176                 add_pattern<Executable>("%");
 177         }
 178 }
 179
 180 bool Architecture::match_name(const string &pattern) const
 181 {
 182         bool negate = (pattern[0]=='!');
 183         vector<string> parts = split(pattern.substr(negate), "-");
 184         resolve_aliases(parts);
 185         for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
 186         {
 187                 if((*i=="32" && bits==32) || (*i=="64" && bits==64))
 188                         ;
 189                 else if(*i!=type && *i!=cpu && *i!=fpu && *i!=system && *i!=toolchain)
 190                         return negate;
 191         }
 192         return !negate;
 193 }
 194
 195 string Architecture::best_match(const vector<string> &names) const
 196 {
 197         string best;
 198         unsigned best_size = 0;
 199         for(vector<string>::const_iterator i=names.begin(); i!=names.end(); ++i)
 200                 if(match_name(*i))
 201                 {
 202                         /* TODO Do full parse and alias resolution here?  Otherwise x86 and
 203                         x86_64 are treated as equally good, even though the latter is more
 204                         specific. */
 205                         unsigned size = 1;
 206                         for(string::const_iterator j=i->begin(); j!=i->end(); ++j)
 207                                 size += (*j=='-');
 208
 209                         if(size>best_size)
 210                         {
 211                                 best = *i;
 212                                 best_size = size;
 213                         }
 214                 }
 215
 216         return best;
 217 }
 218
 219 template<typename T>
 220 void Architecture::add_pattern(const string &pat)
 221 {
 222         filename_patterns[typeid(T).name()].push_back(Pattern(pat));
 223 }
 224
 225 void Architecture::resolve_aliases(vector<string> &parts)
 226 {
 227         for(unsigned i=0; i<parts.size(); ++i)
 228         {
 229                 const string &part = parts[i];
 230                 const char *replace = 0;
 231                 for(unsigned j=0; (!replace && aliases[j]); j+=2)
 232                         if(part==aliases[j])
 233                                 replace = aliases[j+1];
 234
 235                 if(replace)
 236                 {
 237                         bool has_dash = false;
 238                         for(const char *c=replace; (!has_dash && *c); ++c)
 239                                 has_dash = (*c=='-');
 240
 241                         if(has_dash)
 242                         {
 243                                 vector<string> rparts = split(replace, "-");
 244                                 parts[i] = rparts[0];
 245                                 parts.insert(parts.begin()+i+1, rparts.begin()+1, rparts.end());
 246                                 i += rparts.size()-1;
 247                         }
 248                         else
 249                                 parts[i] = replace;
 250                 }
 251         }
 252 }
 253
 254 void Architecture::parse_specification(const string &spec)
 255 {
 256         vector<string> parts = split(spec, "-");
 257         resolve_aliases(parts);
 258         for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
 259         {
 260                 bool ok = false;
 261
 262                 for(unsigned j=0; (!ok && types[j]); ++j)
 263                         if(*i==types[j])
 264                         {
 265                                 if(!type.empty() && *i!=type)
 266                                         throw invalid_argument("Conflicting type specification");
 267                                 type = *i;
 268                                 ok = true;
 269                         }
 270
 271                 for(unsigned j=0; (!ok && cpus[j]); j+=2)
 272                         if(*i==cpus[j])
 273                         {
 274                                 if(type.empty())
 275                                         type = cpus[j+1];
 276                                 else if(cpus[j+1]!=type)
 277                                         throw invalid_argument("Conflicting CPU specification");
 278                                 cpu = *i;
 279                                 ok = true;
 280                         }
 281
 282                 for(unsigned j=0; (!ok && fpus[j]); j+=2)
 283                         if(*i==fpus[j])
 284                         {
 285                                 if(fpus[j+1]!=type)
 286                                         throw invalid_argument("Conflicting FPU specification");
 287                                 fpu = *i;
 288                                 ok = true;
 289                         }
 290
 291                 for(unsigned j=0; (!ok && systems[j]); ++j)
 292                         if(*i==systems[j])
 293                         {
 294                                 system = *i;
 295                                 ok = true;
 296                         }
 297
 298                 for(unsigned j=0; (!ok && toolchains[j]); ++j)
 299                         if(*i==toolchains[j])
 300                         {
 301                                 toolchain = *i;
 302                                 ok = true;
 303                         }
 304
 305                 if(!ok && (*i=="32" || *i=="64"))
 306                 {
 307                         bits = lexical_cast<unsigned>(*i);
 308                         ok = true;
 309                 }
 310
 311                 if(!ok)
 312                         throw invalid_argument("Unrecognized part in arch specification: "+*i);
 313         }
 314 }
 315
 316
 317 Architecture::Loader::Loader(Architecture &a):
 318         DataFile::ObjectLoader<Architecture>(a)
 319 {
 320         add("prefix", &Architecture::cross_prefix);
 321 }