#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/ptrace.h>
#include <linux/user.h>
#include <linux/security.h>
if (ret != 2 || old_insn.thumb != BREAKINST_THUMB)
printk(KERN_ERR "%s:%d: corrupted Thumb breakpoint at "
- "0x%08lx (0x%04x)\n", task->comm, task->pid,
- addr, old_insn.thumb);
+ "0x%08lx (0x%04x)\n", task->comm,
+ task_pid_nr(task), addr, old_insn.thumb);
} else {
ret = swap_insn(task, addr & ~3, &old_insn.arm,
&bp->insn.arm, 4);
if (ret != 4 || old_insn.arm != BREAKINST_ARM)
printk(KERN_ERR "%s:%d: corrupted ARM breakpoint at "
- "0x%08lx (0x%08x)\n", task->comm, task->pid,
- addr, old_insn.arm);
+ "0x%08lx (0x%08x)\n", task->comm,
+ task_pid_nr(task), addr, old_insn.arm);
}
}
/*
* Called by kernel/ptrace.c when detaching..
- *
- * Make sure the single step bit is not set.
*/
void ptrace_disable(struct task_struct *child)
{
- child->ptrace &= ~PT_SINGLESTEP;
- ptrace_cancel_bpt(child);
+ single_step_disable(child);
}
/*
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
- unsigned long tmp;
int ret;
switch (request) {
*/
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA:
- ret = access_process_vm(child, addr, &tmp,
- sizeof(unsigned long), 0);
- if (ret == sizeof(unsigned long))
- ret = put_user(tmp, (unsigned long __user *) data);
- else
- ret = -EIO;
+ ret = generic_ptrace_peekdata(child, addr, data);
break;
case PTRACE_PEEKUSR:
*/
case PTRACE_POKETEXT:
case PTRACE_POKEDATA:
- ret = access_process_vm(child, addr, &data,
- sizeof(unsigned long), 1);
- if (ret == sizeof(unsigned long))
- ret = 0;
- else
- ret = -EIO;
+ ret = generic_ptrace_pokedata(child, addr, data);
break;
case PTRACE_POKEUSR:
else
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
- /* make sure single-step breakpoint is gone. */
- child->ptrace &= ~PT_SINGLESTEP;
- ptrace_cancel_bpt(child);
+ single_step_disable(child);
wake_up_process(child);
ret = 0;
break;
* exit.
*/
case PTRACE_KILL:
- /* make sure single-step breakpoint is gone. */
- child->ptrace &= ~PT_SINGLESTEP;
- ptrace_cancel_bpt(child);
+ single_step_disable(child);
if (child->exit_state != EXIT_ZOMBIE) {
child->exit_code = SIGKILL;
wake_up_process(child);
ret = -EIO;
if (!valid_signal(data))
break;
- child->ptrace |= PT_SINGLESTEP;
+ single_step_enable(child);
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
/* give it a chance to run. */
ret = 0;
break;
- case PTRACE_DETACH:
- ret = ptrace_detach(child, data);
- break;
-
case PTRACE_GETREGS:
ret = ptrace_getregs(child, (void __user *)data);
break;
break;
case PTRACE_SET_SYSCALL:
+ task_thread_info(child)->syscall = data;
ret = 0;
- child->ptrace_message = data;
break;
#ifdef CONFIG_CRUNCH
ip = regs->ARM_ip;
regs->ARM_ip = why;
- current->ptrace_message = scno;
+ current_thread_info()->syscall = scno;
/* the 0x80 provides a way for the tracing parent to distinguish
between a syscall stop and SIGTRAP delivery */
}
regs->ARM_ip = ip;
- return current->ptrace_message;
+ return current_thread_info()->syscall;
}