/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. 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 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource 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 OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _STUFF_ARCH_H_ #define _STUFF_ARCH_H_ #if defined(__MWERKS__) && !defined(__private_extern__) #define __private_extern__ __declspec(private_extern) #endif /* * This file contains the current known set of flags and constants for the * known architectures. */ #import <mach/machine.h> #import <stuff/bytesex.h> /* * The structure describing an architecture flag with the string of the flag * name, and the cputype and cpusubtype. */ struct arch_flag { char *name; cpu_type_t cputype; cpu_subtype_t cpusubtype; }; /* * get_arch_from_flag() is passed a name of an architecture flag and returns * zero if that flag is not known and non-zero if the flag is known. * If the pointer to the arch_flag is not NULL it is filled in with the * arch_flag struct that matches the name. */ __private_extern__ int get_arch_from_flag( char *name, struct arch_flag *arch_flag); /* * get_arch_from_host() gets the architecture from the host this is running on * and returns zero if the architecture is not known and zero if the * architecture is known. If the parameters family_arch_flag and * specific_arch_flag are not NULL they get fill in with the family * architecture and specific architecure for the host. If the architecture * is unknown and the parameters are not NULL then all fields are set to zero. */ __private_extern__ int get_arch_from_host( struct arch_flag *family_arch_flag, struct arch_flag *specific_arch_flag); /* * get_arch_flags() returns a pointer to an array of all currently know * architecture flags (terminated with an entry with all zeros). */ __private_extern__ const struct arch_flag *get_arch_flags( void); /* * arch_usage() is called when an unknown architecture flag is encountered. * It prints the currently know architecture flags on stderr. */ __private_extern__ void arch_usage( void); /* * set_arch_flag_name() sets the name field of the specified arch_flag to * match it's cputype and cpusubtype. The string is allocated via malloc by * the routines in "allocate.h" and errors are handled by the routines in * "error.h". */ __private_extern__ void set_arch_flag_name( struct arch_flag *p); /* * get_arch_name_from_types() returns the name of the architecture for the * specified cputype and cpusubtype if known. If unknown it returns a pointer * to the string "unknown". */ __private_extern__ const char *get_arch_name_from_types( cpu_type_t cputype, cpu_subtype_t cpusubtype); /* * get_arch_family_from_cputype() returns the family architecture for the * specified cputype if known. If unknown it returns NULL. */ __private_extern__ const struct arch_flag *get_arch_family_from_cputype( cpu_type_t cputype); /* * get_byte_sex_from_flag() returns the byte sex of the architecture for the * specified cputype and cpusubtype if known. If unknown it returns * UNKNOWN_BYTE_SEX. If the bytesex can be determined directly as in the case * of reading a magic number from a file that should be done and this routine * should not be used as it could be out of date. */ __private_extern__ enum byte_sex get_byte_sex_from_flag( const struct arch_flag *flag); /* * get_stack_direction_from_flag() returns the direction the stack grows as * either positive (+1) or negative (-1) of the architecture for the * specified cputype and cpusubtype if known. If unknown it returns 0. */ __private_extern__ long get_stack_direction_from_flag( const struct arch_flag *flag); /* * get_stack_addr_from_flag() returns the default starting address of the user * stack. */ __private_extern__ unsigned long get_stack_addr_from_flag( const struct arch_flag *flag); /* * get_stack_size_from_flag() returns the default size of the userstack. */ __private_extern__ unsigned long get_stack_size_from_flag( const struct arch_flag *flag); /* * get_segalign_from_flag() returns the default segment alignment (page size). */ __private_extern__ unsigned long get_segalign_from_flag( const struct arch_flag *flag); #endif /* _STUFF_ARCH_H_ */