3 #include <sys/utsname.h>
5 #include <msp/strings/format.h>
6 #include <msp/strings/utils.h>
7 #include "architecture.h"
40 const char *systems[] =
48 const char *aliases[] =
59 Architecture::Architecture(Builder &b, const string &spec):
72 system = tolower(un.sysname);
73 parse_specification(tolower(un.machine));
74 // We really only want to set type for the default arch
78 bits = sizeof(void *)*numeric_limits<unsigned char>::digits;
83 parse_specification(spec);
84 const Architecture &native_arch = builder.get_native_arch();
86 type = native_arch.type;
88 cpu = native_arch.cpu;
90 system = native_arch.system;
93 if(type==native_arch.type)
94 bits = native_arch.bits;
99 if(type!=native_arch.type || system!=native_arch.system)
100 cross_prefix = format("%s-%s", type, system);
101 else if(bits!=native_arch.bits)
103 build_info.cflags.push_back(format("-m%d", bits));
104 build_info.ldflags.push_back(format("-m%d", bits));
110 build_info.cflags.push_back(format("-march=%s", cpu));
114 name += format("-%s", cpu);
115 name += format("-%d-%s", bits, system);
118 void Architecture::set_tool(const string &t, const string &p)
123 void Architecture::set_cross_prefix(const string &p)
128 std::string Architecture::get_tool(const string &t) const
130 StringMap::const_iterator i = tools.find(t);
133 if(i->second[0]=='-')
134 return cross_prefix+i->second;
139 const Architecture &native_arch = builder.get_native_arch();
140 if(this!=&native_arch)
142 if(!cross_prefix.empty())
143 return cross_prefix+"-"+native_arch.get_tool(t);
145 return native_arch.get_tool(t);
148 throw invalid_argument("Unknown tool");
151 bool Architecture::match_name(const string &pattern) const
153 vector<string> parts = split(pattern, "-");
154 for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
156 string part = resolve_alias(*i);
157 if((part=="32" && bits==32) || (part=="64" && bits==64))
159 else if(part!=type && part!=cpu && part!=system)
165 string Architecture::resolve_alias(const string &part) const
167 for(unsigned j=0; aliases[j]; j+=2)
174 void Architecture::parse_specification(const string &spec)
176 vector<string> parts = split(spec, "-");
177 for(vector<string>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
179 string part = resolve_alias(*i);
183 for(unsigned j=0; (!ok && types[j]); ++j)
186 if(!type.empty() && part!=type)
187 throw invalid_argument("Conflicting type specification");
192 for(unsigned j=0; (!ok && cpus[j]); j+=2)
197 else if(cpus[j+1]!=type)
198 throw invalid_argument("Conflicting CPU specification");
203 for(unsigned j=0; (!ok && systems[j]); ++j)
210 if(!ok && (part=="32" || part=="64"))
212 bits = lexical_cast<unsigned>(part);
217 throw invalid_argument("Unrecognized part in arch specification: "+*i);
222 Architecture::Loader::Loader(Architecture &a):
225 add("prefix", &Architecture::cross_prefix);
226 add("tool", &Loader::tool);
229 void Architecture::Loader::tool(const string &t, const string &p)