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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-04-30 13:38:49 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-04-30 13:38:48 +0200
commit941af343e2e25ff7afce43a3c7e2922643b8cd48 (patch)
tree49f9e2f8e38e70af8f3876f833f8dc1c3ab923a0
parent613e1def6b52c399a8b72a5e11bc2e57d2546fb8 (diff)
[S390] use generic sys_ptrace
After the PT_IEEE_IP hack has been removed s390 can now use the common code sys_ptrace function. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/kernel/ptrace.c37
-rw-r--r--include/asm-s390/ptrace.h2
2 files changed, 1 insertions, 38 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 9dbaef44e8e..7f427016374 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -607,18 +607,8 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data)
}
#endif
-static int
-do_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
- int ret;
-
- if (request == PTRACE_ATTACH)
- return ptrace_attach(child);
-
- ret = ptrace_check_attach(child, request == PTRACE_KILL);
- if (ret < 0)
- return ret;
-
switch (request) {
case PTRACE_SYSCALL:
/* continue and stop at next (return from) syscall */
@@ -673,31 +663,6 @@ do_ptrace(struct task_struct *child, long request, long addr, long data)
return -EIO;
}
-asmlinkage long
-sys_ptrace(long request, long pid, long addr, long data)
-{
- struct task_struct *child;
- int ret;
-
- lock_kernel();
- if (request == PTRACE_TRACEME) {
- ret = ptrace_traceme();
- goto out;
- }
-
- child = ptrace_get_task_struct(pid);
- if (IS_ERR(child)) {
- ret = PTR_ERR(child);
- goto out;
- }
-
- ret = do_ptrace(child, request, addr, data);
- put_task_struct(child);
-out:
- unlock_kernel();
- return ret;
-}
-
asmlinkage void
syscall_trace(struct pt_regs *regs, int entryexit)
{
diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
index 61f6952f2e3..441d7c26085 100644
--- a/include/asm-s390/ptrace.h
+++ b/include/asm-s390/ptrace.h
@@ -463,8 +463,6 @@ struct user_regs_struct
};
#ifdef __KERNEL__
-#define __ARCH_SYS_PTRACE 1
-
/*
* These are defined as per linux/ptrace.h, which see.
*/