/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#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
/* 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", \
"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.
#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 <i386/thread.h>
extern void i386_exception(
- int exc,
- int code,
- int subcode);
+ int exc,
+ mach_exception_code_t code,
+ mach_exception_subcode_t subcode);
-extern void thread_exception_return(void);
+extern void sync_iss_to_iks(x86_saved_state_t *regs);
-extern boolean_t kernel_trap(
- struct i386_saved_state *regs);
+extern void sync_iss_to_iks_unconditionally(
+ x86_saved_state_t *regs);
-extern void panic_trap(
- struct i386_saved_state *regs);
+extern void kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);
-extern void user_trap(
- struct i386_saved_state *regs);
+extern void user_trap(x86_saved_state_t *regs);
+
+extern void interrupt(x86_saved_state_t *regs);
+
+#ifdef __i386__
+extern void panic_double_fault32(int code);
+extern void panic_machine_check32(int code);
+#endif
+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);
+
+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,
+#ifdef __i386__
+ x86_saved_state32_t *,
+#else
+ x86_saved_state64_t *,
+#endif
+ kern_return_t,
+ vm_offset_t);
+#endif /* MACH_KDP */
#endif /* !ASSEMBLER && MACH_KERNEL */
#endif /* _I386_TRAP_H_ */
projects / apple / xnu.git / blobdiff