1*9712c20fSFrederick Mayle // Copyright 2012 Google LLC 2*9712c20fSFrederick Mayle // 3*9712c20fSFrederick Mayle // Redistribution and use in source and binary forms, with or without 4*9712c20fSFrederick Mayle // modification, are permitted provided that the following conditions are 5*9712c20fSFrederick Mayle // met: 6*9712c20fSFrederick Mayle // 7*9712c20fSFrederick Mayle // * Redistributions of source code must retain the above copyright 8*9712c20fSFrederick Mayle // notice, this list of conditions and the following disclaimer. 9*9712c20fSFrederick Mayle // * Redistributions in binary form must reproduce the above 10*9712c20fSFrederick Mayle // copyright notice, this list of conditions and the following disclaimer 11*9712c20fSFrederick Mayle // in the documentation and/or other materials provided with the 12*9712c20fSFrederick Mayle // distribution. 13*9712c20fSFrederick Mayle // * Neither the name of Google LLC nor the names of its 14*9712c20fSFrederick Mayle // contributors may be used to endorse or promote products derived from 15*9712c20fSFrederick Mayle // this software without specific prior written permission. 16*9712c20fSFrederick Mayle // 17*9712c20fSFrederick Mayle // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*9712c20fSFrederick Mayle // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*9712c20fSFrederick Mayle // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*9712c20fSFrederick Mayle // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*9712c20fSFrederick Mayle // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*9712c20fSFrederick Mayle // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*9712c20fSFrederick Mayle // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*9712c20fSFrederick Mayle // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*9712c20fSFrederick Mayle // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*9712c20fSFrederick Mayle // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*9712c20fSFrederick Mayle // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*9712c20fSFrederick Mayle 29*9712c20fSFrederick Mayle // arch_utilities.h: Utilities for architecture introspection for Mac platform. 30*9712c20fSFrederick Mayle 31*9712c20fSFrederick Mayle #ifndef COMMON_MAC_ARCH_UTILITIES_H__ 32*9712c20fSFrederick Mayle #define COMMON_MAC_ARCH_UTILITIES_H__ 33*9712c20fSFrederick Mayle 34*9712c20fSFrederick Mayle #include <mach/machine.h> 35*9712c20fSFrederick Mayle 36*9712c20fSFrederick Mayle #include <optional> 37*9712c20fSFrederick Mayle 38*9712c20fSFrederick Mayle static constexpr const char* kUnknownArchName = "<Unknown architecture>"; 39*9712c20fSFrederick Mayle 40*9712c20fSFrederick Mayle struct ArchInfo { 41*9712c20fSFrederick Mayle cpu_type_t cputype; 42*9712c20fSFrederick Mayle cpu_subtype_t cpusubtype; 43*9712c20fSFrederick Mayle }; 44*9712c20fSFrederick Mayle 45*9712c20fSFrederick Mayle // Returns architecture info if `arch_name` corresponds to a valid, known 46*9712c20fSFrederick Mayle // architecture, and std::nullopt otherwise. 47*9712c20fSFrederick Mayle std::optional<ArchInfo> GetArchInfoFromName(const char* arch_name); 48*9712c20fSFrederick Mayle 49*9712c20fSFrederick Mayle // Returns the name of the architecture specified by `cpu_type` and 50*9712c20fSFrederick Mayle // `cpu_subtype`, or `kUnknownArchName` if it's unknown or invalid. 51*9712c20fSFrederick Mayle const char* GetNameFromCPUType(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype); 52*9712c20fSFrederick Mayle 53*9712c20fSFrederick Mayle // Returns the architecture of the machine this code is running on. 54*9712c20fSFrederick Mayle ArchInfo GetLocalArchInfo(); 55*9712c20fSFrederick Mayle 56*9712c20fSFrederick Mayle #endif // COMMON_MAC_ARCH_UTILITIES_H__ 57