1/* 2 * Copyright 2017, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the BSD 2-Clause license. Note that NO WARRANTY is provided. 8 * See "LICENSE_BSD2.txt" for details. 9 * 10 * @TAG(DATA61_BSD) 11 */ 12 13/* See trampoline.h for an explanation of this functionality. */ 14 15 .global debug_trampoline 16 .text 17 18debug_trampoline: 19 /* Give ourselves a stack. */ 20 leal debug_stack_top, %esp 21 22 /* Pass up to three arguments. */ 23 pushl %edx 24 pushl %ecx 25 pushl %ebx 26 27 /* Woe betide the silly user if they try to return. */ 28 jmp *%eax 29 30 .bss 31 .align 8 32 .space 4096 33debug_stack_top: 34