1 // Copyright 2012 Google LLC 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google LLC nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 // arch_utilities.h: Utilities for architecture introspection for Mac platform. 30 31 #ifndef COMMON_MAC_ARCH_UTILITIES_H__ 32 #define COMMON_MAC_ARCH_UTILITIES_H__ 33 34 #include <mach/machine.h> 35 36 #include <optional> 37 38 static constexpr const char* kUnknownArchName = "<Unknown architecture>"; 39 40 struct ArchInfo { 41 cpu_type_t cputype; 42 cpu_subtype_t cpusubtype; 43 }; 44 45 // Returns architecture info if `arch_name` corresponds to a valid, known 46 // architecture, and std::nullopt otherwise. 47 std::optional<ArchInfo> GetArchInfoFromName(const char* arch_name); 48 49 // Returns the name of the architecture specified by `cpu_type` and 50 // `cpu_subtype`, or `kUnknownArchName` if it's unknown or invalid. 51 const char* GetNameFromCPUType(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype); 52 53 // Returns the architecture of the machine this code is running on. 54 ArchInfo GetLocalArchInfo(); 55 56 #endif // COMMON_MAC_ARCH_UTILITIES_H__ 57