示例#1
0
static int gpr_get(struct task_struct *target, const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	int i, ret;

	if (target->thread.regs == NULL)
		return -EIO;

	if (!FULL_REGS(target->thread.regs)) {
		/* We have a partial register set.  Fill 14-31 with bogus values */
		for (i = 14; i < 32; i++)
			target->thread.regs->gpr[i] = NV_REG_POISON;
	}

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  target->thread.regs,
				  0, offsetof(struct pt_regs, msr));
	if (!ret) {
		unsigned long msr = get_user_msr(target);
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &msr,
					  offsetof(struct pt_regs, msr),
					  offsetof(struct pt_regs, msr) +
					  sizeof(msr));
	}
示例#2
0
/*
 * Get contents of register REGNO in task TASK.
 */
unsigned long ptrace_get_reg(struct task_struct *task, int regno)
{
	if (task->thread.regs == NULL)
		return -EIO;

	if (regno == PT_MSR)
		return get_user_msr(task);

	if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long)))
		return ((unsigned long *)task->thread.regs)[regno];

	return -EIO;
}
示例#3
0
文件: ptrace.c 项目: kevin78/kernel
/*
 * Get contents of register REGNO in task TASK.
 */
int ptrace_get_reg(struct task_struct *task, int regno, unsigned long *data)
{
	if ((task->thread.regs == NULL) || !data)
		return -EIO;

	if (regno == PT_MSR) {
		*data = get_user_msr(task);
		return 0;
	}

	if (regno == PT_DSCR)
		return get_user_dscr(task, data);

	if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) {
		*data = ((unsigned long *)task->thread.regs)[regno];
		return 0;
	}

	return -EIO;
}
示例#4
0
static int gpr_get(struct task_struct *target, const struct user_regset *regset,
		   unsigned int pos, unsigned int count,
		   void *kbuf, void __user *ubuf)
{
	int ret;

	if (target->thread.regs == NULL)
		return -EIO;

	CHECK_FULL_REGS(target->thread.regs);

	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
				  target->thread.regs,
				  0, offsetof(struct pt_regs, msr));
	if (!ret) {
		unsigned long msr = get_user_msr(target);
		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &msr,
					  offsetof(struct pt_regs, msr),
					  offsetof(struct pt_regs, msr) +
					  sizeof(msr));
	}