X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..7ddcb079202367355dddccdfa4318e57d50318be:/osfmk/i386/trap.h?ds=sidebyside diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h index ba6443341..f24141112 100644 --- a/osfmk/i386/trap.h +++ b/osfmk/i386/trap.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -72,7 +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 @@ -80,6 +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", \ @@ -87,7 +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. @@ -96,30 +109,62 @@ #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 boolean_t kernel_trap( - struct i386_saved_state *regs); +extern void kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp); -extern void panic_trap( - struct i386_saved_state *regs); +extern void user_trap(x86_saved_state_t *regs); -extern void user_trap( - struct i386_saved_state *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); -#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 *, +#ifdef __i386__ + x86_saved_state32_t *, +#else + x86_saved_state64_t *, +#endif kern_return_t, vm_offset_t); #endif /* MACH_KDP */