1*0f4c859eSApple OSS Distributions/* 2*0f4c859eSApple OSS Distributions * Copyright (c) 2017 Apple Inc. All rights reserved. 3*0f4c859eSApple OSS Distributions * 4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*0f4c859eSApple OSS Distributions * 6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*0f4c859eSApple OSS Distributions * 15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at 16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*0f4c859eSApple OSS Distributions * 18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*0f4c859eSApple OSS Distributions * limitations under the License. 25*0f4c859eSApple OSS Distributions * 26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*0f4c859eSApple OSS Distributions */ 28*0f4c859eSApple OSS Distributions 29*0f4c859eSApple OSS Distributions#include <arm64/asm.h> 30*0f4c859eSApple OSS Distributions 31*0f4c859eSApple OSS Distributions#if ALTERNATE_DEBUGGER 32*0f4c859eSApple OSS Distributions .text 33*0f4c859eSApple OSS Distributions/* void alternate_debugger_just_return(__unused mach_vm_size_t size, __unused mach_vm_address_t pages, __unused mach_vm_size_t pages_size, t_putc_fn putc_address) */ 34*0f4c859eSApple OSS Distributions .align 2 35*0f4c859eSApple OSS Distributions .globl EXT(alternate_debugger_just_return) 36*0f4c859eSApple OSS DistributionsLEXT(alternate_debugger_just_return) 37*0f4c859eSApple OSS Distributions sub sp, sp, #0x20 38*0f4c859eSApple OSS Distributions stp x29, x30, [sp, #0x10] 39*0f4c859eSApple OSS Distributions add x29, sp, #0x10 40*0f4c859eSApple OSS Distributions str x3, [sp, #0x8] 41*0f4c859eSApple OSS Distributions mov w0, #0xa 42*0f4c859eSApple OSS Distributions mov x1, x3 43*0f4c859eSApple OSS Distributions blr x1 // (*putc_address)('\n'); 44*0f4c859eSApple OSS Distributions orr w0, wzr, #0x3e 45*0f4c859eSApple OSS Distributions ldr x1, [sp, #0x8] 46*0f4c859eSApple OSS Distributions blr x1 // (*putc_address)('>'); 47*0f4c859eSApple OSS Distributions mov w0, #0x4d 48*0f4c859eSApple OSS Distributions ldr x1, [sp, #0x8] 49*0f4c859eSApple OSS Distributions blr x1 // (*putc_address)('M'); 50*0f4c859eSApple OSS Distributions mov w0, #0x54 51*0f4c859eSApple OSS Distributions ldr x1, [sp, #0x8] 52*0f4c859eSApple OSS Distributions blr x1 // (*putc_address)('T'); 53*0f4c859eSApple OSS Distributions orr w0, wzr, #0x3c 54*0f4c859eSApple OSS Distributions ldr x1, [sp, #0x8] 55*0f4c859eSApple OSS Distributions blr x1 // (*putc_address)('<'); 56*0f4c859eSApple OSS Distributions mov w0, #0xa 57*0f4c859eSApple OSS Distributions ldr x1, [sp, #0x8] 58*0f4c859eSApple OSS Distributions ldp x29, x30, [sp, #0x10] 59*0f4c859eSApple OSS Distributions add sp, sp, #0x20 60*0f4c859eSApple OSS Distributions br x1 // (*putc_address)('\n'); 61*0f4c859eSApple OSS Distributions .align 2 62*0f4c859eSApple OSS Distributions .globl EXT(alternate_debugger_just_return_end) 63*0f4c859eSApple OSS DistributionsLEXT(alternate_debugger_just_return_end) 64*0f4c859eSApple OSS Distributions 65*0f4c859eSApple OSS Distributions#endif /* ALTERNATE_DEBUGGER */ 66