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1c79356b 1/*
5ba3f43e 2 * Copyright (c) 2017 Apple Inc. All rights reserved.
5d5c5d0d 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
8f6c56a5 14 *
2d21ac55
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
91447636 28
5ba3f43e
A
29#include <arm64/asm.h>
30
31#if ALTERNATE_DEBUGGER
32 .text
33/* 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 .align 2
35 .globl EXT(alternate_debugger_just_return)
36LEXT(alternate_debugger_just_return)
37 sub sp, sp, #0x20
38 stp x29, x30, [sp, #0x10]
39 add x29, sp, #0x10
40 str x3, [sp, #0x8]
41 mov w0, #0xa
42 mov x1, x3
43 blr x1 // (*putc_address)('\n');
44 orr w0, wzr, #0x3e
45 ldr x1, [sp, #0x8]
46 blr x1 // (*putc_address)('>');
47 mov w0, #0x4d
48 ldr x1, [sp, #0x8]
49 blr x1 // (*putc_address)('M');
50 mov w0, #0x54
51 ldr x1, [sp, #0x8]
52 blr x1 // (*putc_address)('T');
53 orr w0, wzr, #0x3c
54 ldr x1, [sp, #0x8]
55 blr x1 // (*putc_address)('<');
56 mov w0, #0xa
57 ldr x1, [sp, #0x8]
58 ldp x29, x30, [sp, #0x10]
59 add sp, sp, #0x20
60 br x1 // (*putc_address)('\n');
61 .align 2
62 .globl EXT(alternate_debugger_just_return_end)
63LEXT(alternate_debugger_just_return_end)
64
65#endif /* ALTERNATE_DEBUGGER */