Function rt_unwind

libcpu/arm/cortex-a/backtrace.c:515–531

extern const struct unwind_idx __exidx_end[];

void rt_unwind(struct rt_hw_exp_stack *regs, unsigned int pc_adj)
{
    struct pt_regs e_regs;

    e_regs.ARM_fp = regs->fp;
    e_regs.ARM_sp = regs->sp;
    e_regs.ARM_lr = regs->lr;
    e_regs.ARM_pc = regs->pc - pc_adj;
#ifdef RT_USING_SMART
    if (!lwp_user_accessable((void *)e_regs.ARM_pc, sizeof (void *)))
    {
        e_regs.ARM_pc = regs->lr - sizeof(void *);
    }
#endif
    rt_kprintf("backtrace:\n");
    unwind_backtrace(&e_regs, __exidx_start, __exidx_end);
}

rt_err_t rt_backtrace(void)
{