/* * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * 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. * * This 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@ */ /* * @OSF_COPYRIGHT@ */ #ifndef _MACH_PPC__TYPES_H_ #define _MACH_PPC__TYPES_H_ /* * ppc_thread_state is the structure that is exported to user threads for * use in status/mutate calls. This structure should never change. * */ #ifndef _POSIX_C_SOURCE struct ppc_thread_state #else /* _POSIX_C_SOURCE */ struct __darwin_ppc_thread_state #endif /* _POSIX_C_SOURCE */ { unsigned int srr0; /* Instruction address register (PC) */ unsigned int srr1; /* Machine state register (supervisor) */ unsigned int r0; unsigned int r1; unsigned int r2; unsigned int r3; unsigned int r4; unsigned int r5; unsigned int r6; unsigned int r7; unsigned int r8; unsigned int r9; unsigned int r10; unsigned int r11; unsigned int r12; unsigned int r13; unsigned int r14; unsigned int r15; unsigned int r16; unsigned int r17; unsigned int r18; unsigned int r19; unsigned int r20; unsigned int r21; unsigned int r22; unsigned int r23; unsigned int r24; unsigned int r25; unsigned int r26; unsigned int r27; unsigned int r28; unsigned int r29; unsigned int r30; unsigned int r31; unsigned int cr; /* Condition register */ unsigned int xer; /* User's integer exception register */ unsigned int lr; /* Link register */ unsigned int ctr; /* Count register */ unsigned int mq; /* MQ register (601 only) */ unsigned int vrsave; /* Vector Save Register */ }; #ifndef _POSIX_C_SOURCE #pragma pack(4) /* Make sure the structure stays as we defined it */ struct ppc_thread_state64 { unsigned long long srr0; /* Instruction address register (PC) */ unsigned long long srr1; /* Machine state register (supervisor) */ unsigned long long r0; unsigned long long r1; unsigned long long r2; unsigned long long r3; unsigned long long r4; unsigned long long r5; unsigned long long r6; unsigned long long r7; unsigned long long r8; unsigned long long r9; unsigned long long r10; unsigned long long r11; unsigned long long r12; unsigned long long r13; unsigned long long r14; unsigned long long r15; unsigned long long r16; unsigned long long r17; unsigned long long r18; unsigned long long r19; unsigned long long r20; unsigned long long r21; unsigned long long r22; unsigned long long r23; unsigned long long r24; unsigned long long r25; unsigned long long r26; unsigned long long r27; unsigned long long r28; unsigned long long r29; unsigned long long r30; unsigned long long r31; unsigned int cr; /* Condition register */ unsigned long long xer; /* User's integer exception register */ unsigned long long lr; /* Link register */ unsigned long long ctr; /* Count register */ unsigned int vrsave; /* Vector Save Register */ }; #pragma pack() #endif /* _POSIX_C_SOURCE */ /* This structure should be double-word aligned for performance */ #ifndef _POSIX_C_SOURCE struct ppc_float_state #else /* _POSIX_C_SOURCE */ struct __darwin_ppc_float_state #endif /* _POSIX_C_SOURCE */ { double fpregs[32]; unsigned int fpscr_pad; /* fpscr is 64 bits, 32 bits of rubbish */ unsigned int fpscr; /* floating point status register */ }; #pragma pack(4) /* Make sure the structure stays as we defined it */ #ifndef _POSIX_C_SOURCE struct ppc_vector_state #else /* _POSIX_C_SOURCE */ struct __darwin_ppc_vector_state #endif /* _POSIX_C_SOURCE */ { #if defined(__LP64__) unsigned int save_vr[32][4]; unsigned int save_vscr[4]; #else unsigned long save_vr[32][4]; unsigned long save_vscr[4]; #endif unsigned int save_pad5[4]; unsigned int save_vrvalid; /* VRs that have been saved */ unsigned int save_pad6[7]; }; #pragma pack() /* * ppc_exception_state * * This structure corresponds to some additional state of the user * registers as saved in the PCB upon kernel entry. They are only * available if an exception is passed out of the kernel, and even * then not all are guaranteed to be updated. * * Some padding is included in this structure which allows space for * servers to store temporary values if need be, to maintain binary * compatiblity. */ /* Exception state for 32-bit thread (on 32-bit processor) */ /* Still available on 64-bit processors, but may fall short */ /* of covering the full potential state (hi half available). */ #pragma pack(4) /* Make sure the structure stays as we defined it */ #ifndef _POSIX_C_SOURCE struct ppc_exception_state #else /* _POSIX_C_SOURCE */ struct __darwin_ppc_exception_state #endif /* _POSIX_C_SOURCE */ { #if defined(__LP64__) unsigned int dar; /* Fault registers for coredump */ unsigned int dsisr; unsigned int exception; /* number of powerpc exception taken */ unsigned int pad0; /* align to 16 bytes */ unsigned int pad1[4]; /* space in PCB "just in case" */ #else unsigned long dar; /* Fault registers for coredump */ unsigned long dsisr; unsigned long exception; /* number of powerpc exception taken */ unsigned long pad0; /* align to 16 bytes */ unsigned long pad1[4]; /* space in PCB "just in case" */ #endif }; #ifndef _POSIX_C_SOURCE struct ppc_exception_state64 { unsigned long long dar; /* Fault registers for coredump */ #if defined(__LP64__) unsigned int dsisr; unsigned int exception; /* number of powerpc exception taken */ unsigned int pad1[4]; /* space in PCB "just in case" */ #else unsigned long dsisr; unsigned long exception; /* number of powerpc exception taken */ unsigned long pad1[4]; /* space in PCB "just in case" */ #endif }; #endif /* _POSIX_C_SOURCE */ #pragma pack() #endif /* _MACH_PPC__TYPES_H_ */