1 /* $OpenBSD: asm.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */ 2 /* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */ 3 4 /* 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * William Jolitz. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)asm.h 5.5 (Berkeley) 5/7/91 36 */ 37 38 #pragma once 39 40 #define __bionic_asm_align 16 41 42 #undef __bionic_asm_function_type 43 #define __bionic_asm_function_type %function 44 45 #if defined(__ARM_FEATURE_BTI_DEFAULT) 46 #define __bionic_asm_aarch64_feature_bti (1 << 0) 47 #undef __bionic_asm_custom_entry 48 #define __bionic_asm_custom_entry(f) bti c 49 #else 50 #define __bionic_asm_aarch64_feature_bti 0 51 #endif 52 53 #if defined(__ARM_FEATURE_PAC_DEFAULT) 54 #define __bionic_asm_aarch64_feature_pac (1 << 1) 55 #else 56 #define __bionic_asm_aarch64_feature_pac 0 57 #endif 58 59 #undef __bionic_asm_custom_note_gnu_section 60 #define __bionic_asm_custom_note_gnu_section() \ 61 .pushsection .note.gnu.property, "a"; \ 62 .balign 8; \ 63 .long 4; \ 64 .long 0x10; \ 65 .long 0x5; /* NT_GNU_PROPERTY_TYPE_0 */ \ 66 .asciz "GNU"; \ 67 .long 0xc0000000; /* GNU_PROPERTY_AARCH64_FEATURE_1_AND */ \ 68 .long 4; \ 69 .long (__bionic_asm_aarch64_feature_pac | \ 70 __bionic_asm_aarch64_feature_bti); \ 71 .long 0; \ 72 .popsection; 73 74 #define NT_MEMTAG_LEVEL_MASK 3 75 #define NT_MEMTAG_LEVEL_DEFAULT 0 76 #define NT_MEMTAG_LEVEL_ASYNC 1 77 #define NT_MEMTAG_LEVEL_SYNC 2 78 #define NT_MEMTAG_HEAP 4 79