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[S390] use generic sys_ptrace

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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>
This commit is contained in:
Martin Schwidefsky 2008-04-30 13:38:49 +02:00
parent 613e1def6b
commit 941af343e2
2 changed files with 1 additions and 38 deletions
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37
arch/s390/kernel/ptrace.c
View file

@ -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)
{

2
include/asm-s390/ptrace.h
View file

@ -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.
*/