X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..39236c6e673c41db228275375ab7fdb0f837b292:/osfmk/i386/trap.h diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h index c18a15db9..d5c14fe4f 100644 --- a/osfmk/i386/trap.h +++ b/osfmk/i386/trap.h @@ -1,31 +1,29 @@ /* - * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2012 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ + * @APPLE_OSREFERENCE_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. The rights granted to you under the - * License may not be used to create, or enable the creation or - * redistribution of, unlawful or unlicensed copies of an Apple operating - * system, or to circumvent, violate, or enable the circumvention or - * violation of, any terms of an Apple operating system software license - * agreement. - * - * 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 + * 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. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * 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_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -74,7 +72,7 @@ #define T_NO_FPU 7 /* no floating point */ #define T_DOUBLE_FAULT 8 /* double fault */ #define T_FPU_FAULT 9 -/* 10 */ +#define T_INVALID_TSS 10 #define T_SEGMENT_NOT_PRESENT 11 #define T_STACK_FAULT 12 #define T_GENERAL_PROTECTION 13 @@ -82,6 +80,19 @@ /* 15 */ #define T_FLOATING_POINT_ERROR 16 #define T_WATCHPOINT 17 +#define T_MACHINE_CHECK 18 +#define T_SSE_FLOAT_ERROR 19 +/* 20-126 */ +#define T_DTRACE_RET 127 + +/* The SYSENTER and SYSCALL trap numbers are software constructs. + * These exceptions are dispatched directly to the system call handlers. + * See also the "software interrupt codes" section of + * osfmk/mach/i386/syscall_sw.h + */ +#define T_SYSENTER 0x84 +#define T_SYSCALL 0x85 + #define T_PREEMPT 255 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \ @@ -89,7 +100,7 @@ "no coprocessor", "double fault", "coprocessor overrun", \ "invalid TSS", "segment not present", "stack bounds", \ "general protection", "page fault", "(reserved)", \ - "coprocessor error", "watchpoint" + "coprocessor error", "watchpoint", "machine check", "SSE floating point" /* * Page-fault trap codes. @@ -98,30 +109,54 @@ #define T_PF_WRITE 0x2 /* write access */ #define T_PF_USER 0x4 /* from user state */ +#ifdef PAE +#define T_PF_RSVD 0x8 /* reserved bit set to 1 */ +#define T_PF_EXECUTE 0x10 /* instruction fetch when NX */ +#endif + #if !defined(ASSEMBLER) && defined(MACH_KERNEL) #include extern void i386_exception( - int exc, - int code, - int subcode); + int exc, + mach_exception_code_t code, + mach_exception_subcode_t subcode); + +extern void sync_iss_to_iks(x86_saved_state_t *regs); + +extern void sync_iss_to_iks_unconditionally( + x86_saved_state_t *regs); + +extern void kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp); -extern boolean_t kernel_trap( - struct i386_saved_state *regs); +extern void user_trap(x86_saved_state_t *regs); -extern void panic_trap( - struct i386_saved_state *regs); +extern void interrupt(x86_saved_state_t *regs); -extern void user_trap( - struct i386_saved_state *regs); +extern void panic_double_fault64(x86_saved_state_t *regs); +extern void panic_machine_check64(x86_saved_state_t *regs); extern void i386_astintr(int preemption); -#if defined(MACH_KDP) -extern void kdp_i386_trap( + +typedef kern_return_t (*perfCallback)( + int trapno, + void *regs, + uintptr_t *lo_spp, + int); + +typedef kern_return_t (*perfASTCallback)(ast_t reasons, ast_t *myast); + +extern volatile perfCallback perfTrapHook; +extern volatile perfASTCallback perfASTHook; +extern volatile perfCallback perfIntHook; + +extern void panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *); +#if MACH_KDP +extern boolean_t kdp_i386_trap( unsigned int, - struct i386_saved_state *, + x86_saved_state64_t *, kern_return_t, vm_offset_t); #endif /* MACH_KDP */