PTRACE_POKEDATA consolidation

[powerpc.git] / arch / sh / kernel / ptrace.c

diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c
index 3fb5fc0..891d1d4 100644 (file)
--- a/arch/sh/kernel/ptrace.c
+++ b/arch/sh/kernel/ptrace.c
@@ -91,17 +91,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
        switch (request) {
        /* when I and D space are separate, these will need to be fixed. */
        case PTRACE_PEEKTEXT: /* read word at location addr. */
-       case PTRACE_PEEKDATA: {
-               unsigned long tmp;
-               int copied;
-
-               copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-               ret = -EIO;
-               if (copied != sizeof(tmp))
-                       break;
-               ret = put_user(tmp,(unsigned long *) data);
-               break;
-       }
+       case PTRACE_PEEKDATA:
+               ret = generic_ptrace_peekdata(child, addr, data);
 
        /* read the word at location addr in the USER area. */
        case PTRACE_PEEKUSR: {
@@ -128,17 +119,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                        tmp = !!tsk_used_math(child);
                else
                        tmp = 0;
-               ret = put_user(tmp, (unsigned long *)data);
+               ret = put_user(tmp, (unsigned long __user *)data);
                break;
        }
 
        /* when I and D space are separate, this will have to be fixed. */
        case PTRACE_POKETEXT: /* write the word at location addr. */
        case PTRACE_POKEDATA:
-               ret = 0;
-               if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
-                       break;
-               ret = -EIO;
+               ret = generic_ptrace_pokedata(child, addr, data);
                break;
 
        case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
@@ -196,7 +184,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
        case PTRACE_SINGLESTEP: {  /* set the trap flag. */
                long pc;
-               struct pt_regs *dummy = NULL;
+               struct pt_regs *regs = NULL;
 
                ret = -EIO;
                if (!valid_signal(data))
@@ -207,7 +195,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                        child->ptrace |= PT_DTRACE;
                }
 
-               pc = get_stack_long(child, (long)&dummy->pc);
+               pc = get_stack_long(child, (long)&regs->pc);
 
                /* Next scheduling will set up UBC */
                if (child->thread.ubc_pc == 0)