#define x86_DEBUG_STATE64 11
#define x86_DEBUG_STATE 12
#define THREAD_STATE_NONE 13
+/* 14 and 15 are used for the internal x86_SAVED_STATE flavours */
+#define x86_AVX_STATE32 16
+#define x86_AVX_STATE64 17
+#define x86_AVX_STATE 18
+
/*
* Largest state on this machine:
(x == x86_FLOAT_STATE) || \
(x == x86_EXCEPTION_STATE) || \
(x == x86_DEBUG_STATE) || \
+ (x == x86_AVX_STATE32) || \
+ (x == x86_AVX_STATE64) || \
+ (x == x86_AVX_STATE) || \
(x == THREAD_STATE_NONE))
struct x86_state_hdr {
#define x86_FLOAT_STATE32_COUNT ((mach_msg_type_number_t) \
(sizeof(x86_float_state32_t)/sizeof(unsigned int)))
+typedef _STRUCT_X86_AVX_STATE32 x86_avx_state32_t;
+#define x86_AVX_STATE32_COUNT ((mach_msg_type_number_t) \
+ (sizeof(x86_avx_state32_t)/sizeof(unsigned int)))
+
/*
* to be deprecated in the future
*/
typedef _STRUCT_X86_FLOAT_STATE64 x86_float_state64_t;
#define x86_FLOAT_STATE64_COUNT ((mach_msg_type_number_t) \
(sizeof(x86_float_state64_t)/sizeof(unsigned int)))
-
+
+typedef _STRUCT_X86_AVX_STATE64 x86_avx_state64_t;
+#define x86_AVX_STATE64_COUNT ((mach_msg_type_number_t) \
+ (sizeof(x86_avx_state64_t)/sizeof(unsigned int)))
+
typedef _STRUCT_X86_EXCEPTION_STATE64 x86_exception_state64_t;
#define x86_EXCEPTION_STATE64_COUNT ((mach_msg_type_number_t) \
( sizeof (x86_exception_state64_t) / sizeof (int) ))
} uds;
};
+struct x86_avx_state {
+ x86_state_hdr_t ash;
+ union {
+ x86_avx_state32_t as32;
+ x86_avx_state64_t as64;
+ } ufs;
+};
+
typedef struct x86_thread_state x86_thread_state_t;
#define x86_THREAD_STATE_COUNT ((mach_msg_type_number_t) \
( sizeof (x86_thread_state_t) / sizeof (int) ))
#define x86_DEBUG_STATE_COUNT ((mach_msg_type_number_t) \
(sizeof(x86_debug_state_t)/sizeof(unsigned int)))
+typedef struct x86_avx_state x86_avx_state_t;
+#define x86_AVX_STATE_COUNT ((mach_msg_type_number_t) \
+ (sizeof(x86_avx_state_t)/sizeof(unsigned int)))
+
/*
* Machine-independent way for servers and Mach's exception mechanism to
* choose the most efficient state flavor for exception RPC's:
#define MACHINE_THREAD_STATE x86_THREAD_STATE
#define MACHINE_THREAD_STATE_COUNT x86_THREAD_STATE_COUNT
-/*
- * when reloading the segment registers on
- * a return out of the kernel, we may take
- * a GeneralProtection or SegmentNotPresent
- * fault if one or more of the segment
- * registers in the saved state was improperly
- * specified via an x86_THREAD_STATE32 call
- * the frame we push on top of the existing
- * save area looks like this... we need to
- * carry this as part of the save area
- * in case we get hit so that we have a big
- * enough stack
- */
-struct x86_seg_load_fault32 {
- unsigned int trapno;
- unsigned int err;
- unsigned int eip;
- unsigned int cs;
- unsigned int efl;
-};
-
#ifdef XNU_KERNEL_PRIVATE
#define x86_SAVED_STATE32 THREAD_STATE_NONE + 1
#define x86_SAVED_STATE64 THREAD_STATE_NONE + 2
-/*
- * Subset of saved state stored by processor on kernel-to-kernel
- * trap. (Used by ddb to examine state guaranteed to be present
- * on all traps into debugger.)
- */
-struct x86_saved_state32_from_kernel {
- unsigned int gs;
- unsigned int fs;
- unsigned int es;
- unsigned int ds;
- unsigned int edi;
- unsigned int esi;
- unsigned int ebp;
- unsigned int cr2; /* kernel esp stored by pusha - we save cr2 here later */
- unsigned int ebx;
- unsigned int edx;
- unsigned int ecx;
- unsigned int eax;
- unsigned int trapno;
- unsigned int err;
- unsigned int eip;
- unsigned int cs;
- unsigned int efl;
-};
-
/*
* The format in which thread state is saved by Mach on this machine. This
* state flavor is most efficient for exception RPC's to kernel-loaded
* servers, because copying can be avoided:
*/
struct x86_saved_state32 {
- unsigned int gs;
- unsigned int fs;
- unsigned int es;
- unsigned int ds;
- unsigned int edi;
- unsigned int esi;
- unsigned int ebp;
- unsigned int cr2; /* kernel esp stored by pusha - we save cr2 here later */
- unsigned int ebx;
- unsigned int edx;
- unsigned int ecx;
- unsigned int eax;
- unsigned int trapno;
- unsigned int err;
- unsigned int eip;
- unsigned int cs;
- unsigned int efl;
- unsigned int uesp;
- unsigned int ss;
+ uint32_t gs;
+ uint32_t fs;
+ uint32_t es;
+ uint32_t ds;
+ uint32_t edi;
+ uint32_t esi;
+ uint32_t ebp;
+ uint32_t cr2; /* kernel esp stored by pusha - we save cr2 here later */
+ uint32_t ebx;
+ uint32_t edx;
+ uint32_t ecx;
+ uint32_t eax;
+ uint16_t trapno;
+ uint16_t cpu;
+ uint32_t err;
+ uint32_t eip;
+ uint32_t cs;
+ uint32_t efl;
+ uint32_t uesp;
+ uint32_t ss;
};
typedef struct x86_saved_state32 x86_saved_state32_t;
#define x86_SAVED_STATE32_COUNT ((mach_msg_type_number_t) \
(sizeof (x86_saved_state32_t)/sizeof(unsigned int)))
-struct x86_saved_state32_tagged {
- uint32_t tag;
- struct x86_saved_state32 state;
-};
-typedef struct x86_saved_state32_tagged x86_saved_state32_tagged_t;
-
-struct x86_sframe32 {
-/*
- * in case we throw a fault reloading
- * segment registers on a return out of
- * the kernel... the 'slf' state is only kept
- * long enough to rejigger (i.e. restore
- * the save area to its original state)
- * the save area and throw the appropriate
- * kernel trap pointing to the 'ssf' state
- */
- struct x86_seg_load_fault32 slf;
- struct x86_saved_state32_tagged ssf;
-};
-typedef struct x86_sframe32 x86_sframe32_t;
+#pragma pack(4)
/*
* This is the state pushed onto the 64-bit interrupt stack
* on any exception/trap/interrupt.
*/
struct x86_64_intr_stack_frame {
- uint32_t trapno;
- uint32_t trapfn;
+ uint16_t trapno;
+ uint16_t cpu;
+ uint32_t _pad;
+ uint64_t trapfn;
uint64_t err;
uint64_t rip;
uint64_t cs;
uint64_t ss;
};
typedef struct x86_64_intr_stack_frame x86_64_intr_stack_frame_t;
-
-/*
- * This defines the state saved before entry into compatibility mode.
- * The machine state is pushed automatically and the compat state is
- * synthethized in the exception handling code.
- */
-struct x86_saved_state_compat32 {
- struct x86_saved_state32_tagged iss32;
- uint32_t pad_for_16byte_alignment[2];
- struct x86_64_intr_stack_frame isf64;
-};
-typedef struct x86_saved_state_compat32 x86_saved_state_compat32_t;
-
-struct x86_sframe_compat32 {
- struct x86_64_intr_stack_frame slf;
- uint32_t pad_for_16byte_alignment[2];
- struct x86_saved_state_compat32 ssf;
- uint32_t empty[4];
-};
-typedef struct x86_sframe_compat32 x86_sframe_compat32_t;
+/* Note: sizeof(x86_64_intr_stack_frame_t) must be a multiple of 16 bytes */
/*
* thread state format for task running in 64bit long mode
* is no need for an x86_saved_state64_from_kernel variant
*/
struct x86_saved_state64 {
- /*
- * saved state organized to reflect the
- * system call ABI register convention
- * so that we can just pass a pointer
- * to the saved state when calling through
- * to the actual system call functions
- * the ABI limits us to 6 args passed in
- * registers... I've add v_arg6 - v_arg8
- * to accomodate our most 'greedy' system
- * calls (both BSD and MACH)... the individual
- * system call handlers will fill these in
- * via copyin if needed...
- */
- uint64_t rdi; /* arg0 for system call */
+ uint64_t rdi; /* arg0 for system call */
uint64_t rsi;
uint64_t rdx;
- uint64_t r10;
- uint64_t r8;
- uint64_t r9; /* arg5 for system call */
- uint64_t v_arg6;
- uint64_t v_arg7;
- uint64_t v_arg8;
+ uint64_t r10; /* R10 := RCX prior to syscall trap */
+ uint64_t r8;
+ uint64_t r9; /* arg5 for system call */
uint64_t cr2;
uint64_t r15;
uint32_t gs;
uint32_t fs;
+
+ uint64_t _pad;
+
struct x86_64_intr_stack_frame isf;
};
typedef struct x86_saved_state64 x86_saved_state64_t;
#define x86_SAVED_STATE64_COUNT ((mach_msg_type_number_t) \
(sizeof (struct x86_saved_state64)/sizeof(unsigned int)))
-struct x86_saved_state64_tagged {
- uint32_t tag;
- x86_saved_state64_t state;
-};
-typedef struct x86_saved_state64_tagged x86_saved_state64_tagged_t;
-
-struct x86_sframe64 {
- struct x86_64_intr_stack_frame slf;
- uint32_t pad_for_16byte_alignment[3];
- struct x86_saved_state64_tagged ssf;
-};
-typedef struct x86_sframe64 x86_sframe64_t;
-
extern uint32_t get_eflags_exportmask(void);
/*
*/
typedef struct {
uint32_t flavor;
+ uint32_t _pad_for_16byte_alignment[3];
union {
x86_saved_state32_t ss_32;
x86_saved_state64_t ss_64;
} x86_saved_state_t;
#define ss_32 uss.ss_32
#define ss_64 uss.ss_64
+#pragma pack()
static inline boolean_t
is_saved_state64(x86_saved_state_t *iss)
projects / apple / xnu.git / blobdiff