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Diffstat (limited to 'src/third_party/mac_headers/mach-o/arch.h')
-rw-r--r-- | src/third_party/mac_headers/mach-o/arch.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/third_party/mac_headers/mach-o/arch.h b/src/third_party/mac_headers/mach-o/arch.h new file mode 100644 index 00000000..526c10fc --- /dev/null +++ b/src/third_party/mac_headers/mach-o/arch.h @@ -0,0 +1,105 @@ +/* + * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +#ifndef _MACH_O_ARCH_H_ +#define _MACH_O_ARCH_H_ +/* + * Copyright (c) 1997 Apple Computer, Inc. + * + * Functions that deal with information about architectures. + * + */ + +#include <stdint.h> +#include <mach/machine.h> +#include <architecture/byte_order.h> + +/* The NXArchInfo structs contain the architectures symbolic name + * (such as "ppc"), its CPU type and CPU subtype as defined in + * mach/machine.h, the byte order for the architecture, and a + * describing string (such as "PowerPC"). + * There will both be entries for specific CPUs (such as ppc604e) as + * well as generic "family" entries (such as ppc). + */ +typedef struct { + const char *name; + cpu_type_t cputype; + cpu_subtype_t cpusubtype; + enum NXByteOrder byteorder; + const char *description; +} NXArchInfo; + +#if __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* NXGetAllArchInfos() returns a pointer to an array of all known + * NXArchInfo structures. The last NXArchInfo is marked by a NULL name. + */ +extern const NXArchInfo *NXGetAllArchInfos(void); + +/* NXGetLocalArchInfo() returns the NXArchInfo for the local host, or NULL + * if none is known. + */ +extern const NXArchInfo *NXGetLocalArchInfo(void); + +/* NXGetArchInfoFromName() and NXGetArchInfoFromCpuType() return the + * NXArchInfo from the architecture's name or cputype/cpusubtype + * combination. A cpusubtype of CPU_SUBTYPE_MULTIPLE can be used + * to request the most general NXArchInfo known for the given cputype. + * NULL is returned if no matching NXArchInfo can be found. + */ +extern const NXArchInfo *NXGetArchInfoFromName(const char *name); +extern const NXArchInfo *NXGetArchInfoFromCpuType(cpu_type_t cputype, + cpu_subtype_t cpusubtype); + +/* NXFindBestFatArch() is passed a cputype and cpusubtype and a set of + * fat_arch structs and selects the best one that matches (if any) and returns + * a pointer to that fat_arch struct (or NULL). The fat_arch structs must be + * in the host byte order and correct such that the fat_archs really points to + * enough memory for nfat_arch structs. It is possible that this routine could + * fail if new cputypes or cpusubtypes are added and an old version of this + * routine is used. But if there is an exact match between the cputype and + * cpusubtype and one of the fat_arch structs this routine will always succeed. + */ +extern struct fat_arch *NXFindBestFatArch(cpu_type_t cputype, + cpu_subtype_t cpusubtype, + struct fat_arch *fat_archs, + uint32_t nfat_archs); + +/* NXCombineCpuSubtypes() returns the resulting cpusubtype when combining two + * different cpusubtypes for the specified cputype. If the two cpusubtypes + * can't be combined (the specific subtypes are mutually exclusive) -1 is + * returned indicating it is an error to combine them. This can also fail and + * return -1 if new cputypes or cpusubtypes are added and an old version of + * this routine is used. But if the cpusubtypes are the same they can always + * be combined and this routine will return the cpusubtype pass in. + */ +extern cpu_subtype_t NXCombineCpuSubtypes(cpu_type_t cputype, + cpu_subtype_t cpusubtype1, + cpu_subtype_t cpusubtype2); + +#if __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _MACH_O_ARCH_H_ */ |