1 /* 2 * Copyright (c) 2017 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 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. 14 * 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 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 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. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 #define BSWAP_32(x) \ 29 (((x) << 24) & 0xff000000) | \ 30 (((x) << 8) & 0x00ff0000) | \ 31 (((x) >> 8) & 0x0000ff00) | \ 32 (((x) >> 24) & 0x000000ff) 33 34 #define BSWAP_32_OFFSET(x) \ 35 BSWAP_32(x + _COMM_PAGE_SIGS_OFFSET) 36 37 #define COMMPAGE_SIGS_BEGIN \ 38 .const_data ; \ 39 .align 2 ; \ 40 .private_extern _commpage_sigs_begin ; \ 41 _commpage_sigs_begin: 42 43 #define COMMPAGE_SIGS_DONE \ 44 .private_extern _commpage_sigs_end ; \ 45 _commpage_sigs_end: ; \ 46 47 #define COMMPAGE_SIG_START(x) \ 48 .private_extern _commpage_sig ## x ; \ 49 _commpage_sig ## x ## : ; \ 50 .long BSWAP_32(0x14400000) ; \ 51 .long BSWAP_32(0x00000001) ; \ 52 .asciz # x ; \ 53 .align 2 ; \ 54 .long BSWAP_32(0x14400000) 55 56 #define COMMPAGE_SIG_END(x) \ 57 .long BSWAP_32(0x4e800020) ; \ 58 .long BSWAP_32(0x14400000) ; \ 59 .long BSWAP_32(0x00000000) ; \ 60 .asciz # x ; \ 61 .align 2 ; \ 62 .long BSWAP_32(0x14400000) 63 64 #define OBJCRTP_SIG_START(x) COMMPAGE_SIG_START(x) 65 66 #define OBJCRTP_SIG_END(x) \ 67 .long BSWAP_32(0x14400000) ; \ 68 .long BSWAP_32(0x00000000) ; \ 69 .asciz # x ; \ 70 .align 2 ; \ 71 .long BSWAP_32(0x14400000) 72 73 #define OBJCRTP_SIG_CALL_SUBJECT(x) \ 74 .long BSWAP_32(0x14400002) ; \ 75 .long BSWAP_32(0x00000000) ; \ 76 .long BSWAP_32(0x00040000) ; \ 77 .long BSWAP_32(0x00000000) ; \ 78 .asciz # x ; \ 79 .align 2 ; \ 80 .long BSWAP_32(0x14400002) 81 82 #define ARG(n) \ 83 ((((n * 2) + 6) << 20) + 4) 84 85 #define COMMPAGE_SIG_ARG(n) \ 86 .long BSWAP_32(0x14400001) ; \ 87 .long BSWAP_32(ARG(n)) ; \ 88 .long BSWAP_32(0x14400001) 89 90 #define COMMPAGE_SIG_CALL(x, n) \ 91 .long BSWAP_32(0x14400002) ; \ 92 .long BSWAP_32(n) ; \ 93 .long BSWAP_32(0x00000000) ; \ 94 .long BSWAP_32(0x00000000) ; \ 95 .asciz # x ; \ 96 .align 2 ; \ 97 .long BSWAP_32(0x14400002) 98 99 #define COMMPAGE_SIG_CALL_VOID(x) \ 100 COMMPAGE_SIG_CALL(x, 0) 101 102 #define COMMPAGE_SIG_CALL_RET0(x) \ 103 COMMPAGE_SIG_CALL(x, ARG(0)) 104 105 #define COMMPAGE_SIG_CALL_RET1(x) \ 106 COMMPAGE_SIG_CALL(x, ARG(1)) 107 108 #define COMMPAGE_FAST_TRAP(x) \ 109 .long BSWAP_32(0x14400005) ; \ 110 .long BSWAP_32_OFFSET(x) ; \ 111 .long BSWAP_32(0x14400005) 112