[PATCH] alpha: task_pt_regs()

)

From: Al Viro <viro@ftp.linux.org.uk>

rename alpha_task_regs() to task_pt_regs(), switch open-coded instances
to use of the helper.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 3 insertions, 12 deletions

diff --git a/include/asm-alpha/processor.h b/include/asm-alpha/processor.h
index 12a14a5bbe12..425b7b6d28cb 100644
--- a/include/asm-alpha/processor.h
+++ b/include/asm-alpha/processor.h
@@ -52,16 +52,7 @@ extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 
 unsigned long get_wchan(struct task_struct *p);
 
-/* See arch/alpha/kernel/ptrace.c for details.  */
-#define PT_REG(reg) \
-  (PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg))
-
-#define SW_REG(reg) \
- (PAGE_SIZE*2 - sizeof(struct pt_regs) - sizeof(struct switch_stack) \
-  + offsetof(struct switch_stack, reg))
-
-#define KSTK_EIP(tsk) \
-  (*(unsigned long *)(PT_REG(pc) + (unsigned long) ((tsk)->thread_info)))
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)
 
 #define KSTK_ESP(tsk) \
   ((tsk) == current ? rdusp() : task_thread_info(tsk)->pcb.usp)
diff --git a/include/asm-alpha/ptrace.h b/include/asm-alpha/ptrace.h
index 994680b73a87..9933b8b3612e 100644
--- a/include/asm-alpha/ptrace.h
+++ b/include/asm-alpha/ptrace.h
@@ -75,10 +75,10 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
-#define alpha_task_regs(task) \
+#define task_pt_regs(task) \
   ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)
 
-#define force_successful_syscall_return() (alpha_task_regs(current)->r0 = 0)
+#define force_successful_syscall_return() (task_pt_regs(current)->r0 = 0)
 
 #endif