xtensa: move internal ptrace definitions from uapi/asm to asm

Stack frame layout diagram, kernel stack size and exception_handlers
offsets are used by the kernel and are not supposed to be accessible to
userspace. Move these definitions from uapi/asm/ptrace.h to asm/ptrace.h

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 598e752..e2d9c5e 100644 (file)
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -12,6 +12,45 @@
 
 #include <uapi/asm/ptrace.h>
 
+/*
+ * Kernel stack
+ *
+ *             +-----------------------+  -------- STACK_SIZE
+ *             |     register file     |  |
+ *             +-----------------------+  |
+ *             |    struct pt_regs     |  |
+ *             +-----------------------+  | ------ PT_REGS_OFFSET
+ * double      :  16 bytes spill area  :  |  ^
+ * excetion    :- - - - - - - - - - - -:  |  |
+ * frame       :    struct pt_regs     :  |  |
+ *             :- - - - - - - - - - - -:  |  |
+ *             |                       |  |  |
+ *             |     memory stack      |  |  |
+ *             |                       |  |  |
+ *             ~                       ~  ~  ~
+ *             ~                       ~  ~  ~
+ *             |                       |  |  |
+ *             |                       |  |  |
+ *             +-----------------------+  |  | --- STACK_BIAS
+ *             |  struct task_struct   |  |  |  ^
+ *  current --> +-----------------------+  |  |  |
+ *             |  struct thread_info   |  |  |  |
+ *             +-----------------------+ --------
+ */
+
+#define KERNEL_STACK_SIZE (2 * PAGE_SIZE)
+
+/*  Offsets for exception_handlers[] (3 x 64-entries x 4-byte tables). */
+
+#define EXC_TABLE_KSTK         0x004   /* Kernel Stack */
+#define EXC_TABLE_DOUBLE_SAVE  0x008   /* Double exception save area for a0 */
+#define EXC_TABLE_FIXUP                0x00c   /* Fixup handler */
+#define EXC_TABLE_PARAM                0x010   /* For passing a parameter to fixup */
+#define EXC_TABLE_SYSCALL_SAVE 0x014   /* For fast syscall handler */
+#define EXC_TABLE_FAST_USER    0x100   /* Fast user exception handler */
+#define EXC_TABLE_FAST_KERNEL  0x200   /* Fast kernel exception handler */
+#define EXC_TABLE_DEFAULT      0x300   /* Default C-Handler */
+#define EXC_TABLE_SIZE         0x400
 
 #ifndef __ASSEMBLY__
 

diff --git a/arch/xtensa/include/uapi/asm/ptrace.h b/arch/xtensa/include/uapi/asm/ptrace.h
index 6ccbd9e..8853a0d 100644 (file)
--- a/arch/xtensa/include/uapi/asm/ptrace.h
+++ b/arch/xtensa/include/uapi/asm/ptrace.h
@@ -11,46 +11,6 @@
 #ifndef _UAPI_XTENSA_PTRACE_H
 #define _UAPI_XTENSA_PTRACE_H
 
-/*
- * Kernel stack
- *
- *             +-----------------------+  -------- STACK_SIZE
- *             |     register file     |  |
- *             +-----------------------+  |
- *             |    struct pt_regs     |  |
- *             +-----------------------+  | ------ PT_REGS_OFFSET
- * double      :  16 bytes spill area  :  |  ^
- * excetion    :- - - - - - - - - - - -:  |  |
- * frame       :    struct pt_regs     :  |  |
- *             :- - - - - - - - - - - -:  |  |
- *             |                       |  |  |
- *             |     memory stack      |  |  |
- *             |                       |  |  |
- *             ~                       ~  ~  ~
- *             ~                       ~  ~  ~
- *             |                       |  |  |
- *             |                       |  |  |
- *             +-----------------------+  |  | --- STACK_BIAS
- *             |  struct task_struct   |  |  |  ^
- *  current --> +-----------------------+  |  |  |
- *             |  struct thread_info   |  |  |  |
- *             +-----------------------+ --------
- */
-
-#define KERNEL_STACK_SIZE (2 * PAGE_SIZE)
-
-/*  Offsets for exception_handlers[] (3 x 64-entries x 4-byte tables). */
-
-#define EXC_TABLE_KSTK         0x004   /* Kernel Stack */
-#define EXC_TABLE_DOUBLE_SAVE  0x008   /* Double exception save area for a0 */
-#define EXC_TABLE_FIXUP                0x00c   /* Fixup handler */
-#define EXC_TABLE_PARAM                0x010   /* For passing a parameter to fixup */
-#define EXC_TABLE_SYSCALL_SAVE 0x014   /* For fast syscall handler */
-#define EXC_TABLE_FAST_USER    0x100   /* Fast user exception handler */
-#define EXC_TABLE_FAST_KERNEL  0x200   /* Fast kernel exception handler */
-#define EXC_TABLE_DEFAULT      0x300   /* Default C-Handler */
-#define EXC_TABLE_SIZE         0x400
-
 /* Registers used by strace */
 
 #define REG_A_BASE     0x0000