1 files changed, 10 insertions, 62 deletions

diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index ee505b2eb4d..bfddfb99401 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -15,7 +15,6 @@
 #include <asm/uaccess.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/processor.h>
 
 /* 
@@ -76,9 +75,11 @@ ptrace_disable(struct task_struct *child)
  * (in user space) where the result of the ptrace call is written (instead of
  * being returned).
  */
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request,
+		 unsigned long addr, unsigned long data)
 {
 	int ret;
+	unsigned int regno = addr >> 2;
 	unsigned long __user *datap = (unsigned long __user *)data;
 
 	switch (request) {
@@ -93,10 +94,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			unsigned long tmp;
 
 			ret = -EIO;
-			if ((addr & 3) || addr < 0 || addr > PT_MAX << 2)
+			if ((addr & 3) || regno > PT_MAX)
 				break;
 
-			tmp = get_reg(child, addr >> 2);
+			tmp = get_reg(child, regno);
 			ret = put_user(tmp, datap);
 			break;
 		}
@@ -110,71 +111,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
  		/* Write the word at location address in the USER area. */
 		case PTRACE_POKEUSR:
 			ret = -EIO;
-			if ((addr & 3) || addr < 0 || addr > PT_MAX << 2)
+			if ((addr & 3) || regno > PT_MAX)
 				break;
 
-			addr >>= 2;
-
-			if (addr == PT_DCCR) {
+			if (regno == PT_DCCR) {
 				/* don't allow the tracing process to change stuff like
 				 * interrupt enable, kernel/user bit, dma enables etc.
 				 */
 				data &= DCCR_MASK;
 				data |= get_reg(child, PT_DCCR) & ~DCCR_MASK;
 			}
-			if (put_reg(child, addr, data))
-				break;
-			ret = 0;
-			break;
-
-		case PTRACE_SYSCALL:
-		case PTRACE_CONT:
-			ret = -EIO;
-			
-			if (!valid_signal(data))
-				break;
-                        
-			if (request == PTRACE_SYSCALL) {
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-			else {
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-			
-			child->exit_code = data;
-			
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			ret = 0;
-			
-			break;
-		
- 		/* Make the child exit by sending it a sigkill. */
-		case PTRACE_KILL:
-			ret = 0;
-			
-			if (child->exit_state == EXIT_ZOMBIE)
-				break;
-			
-			child->exit_code = SIGKILL;
-			
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			break;
-
-		/* Set the trap flag. */
-		case PTRACE_SINGLESTEP:
-			ret = -EIO;
-			
-			if (!valid_signal(data))
+			if (put_reg(child, regno, data))
 				break;
-			
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-			/* TODO: set some clever breakpoint mechanism... */
-
-			child->exit_code = data;
-			wake_up_process(child);
 			ret = 0;
 			break;
 
@@ -192,7 +140,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					break;
 				}
 				
-				data += sizeof(long);
+				datap++;
 			}
 
 			break;
@@ -216,7 +164,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 				}
 				
 				put_reg(child, i, tmp);
-				data += sizeof(long);
+				datap++;
 			}
 			
 			break;