X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Ffrv%2Fkernel%2Fptrace.c;h=f953484e7d596eced5666356750f6ef72f2239f6;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=cbe03cba9f02a08dca3b7f59413df2aabf118a82;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index cbe03cba9..f953484e7 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -106,48 +106,11 @@ void ptrace_enable(struct task_struct *child) child->thread.frame0->__status |= REG__STATUS_STEP; } -asmlinkage int sys_ptrace(long request, long pid, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - struct task_struct *child; unsigned long tmp; int ret; - lock_kernel(); - ret = -EPERM; - if (request == PTRACE_TRACEME) { - /* are we already being traced? */ - if (current->ptrace & PT_PTRACED) - goto out; - ret = security_ptrace(current->parent, current); - if (ret) - goto out; - /* set the ptrace bit in the process flags. */ - current->ptrace |= PT_PTRACED; - ret = 0; - goto out; - } - ret = -ESRCH; - read_lock(&tasklist_lock); - child = find_task_by_pid(pid); - if (child) - get_task_struct(child); - read_unlock(&tasklist_lock); - if (!child) - goto out; - - ret = -EPERM; - if (pid == 1) /* you may not mess with init */ - goto out_tsk; - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ @@ -351,10 +314,6 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data) ret = -EIO; break; } -out_tsk: - put_task_struct(child); -out: - unlock_kernel(); return ret; }