| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| // Defines constants used as part of the interface in an experimental MTE branch |
| // of the Linux kernel, which may be found at: |
| // |
| // https://github.com/pcc/linux/tree/android-experimental-mte |
| // |
| // This interface should not be considered to be stable. |
| |
| #ifdef ANDROID_EXPERIMENTAL_MTE |
| |
| #define HWCAP2_MTE (1 << 18) |
| #define PROT_MTE 0x20 |
| |
| #define PR_MTE_TCF_SHIFT 1 |
| #define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT) |
| #define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT) |
| #define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT) |
| #define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT) |
| #define PR_MTE_TAG_SHIFT 3 |
| #define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT) |
| |
| #define SEGV_MTEAERR 8 |
| #define SEGV_MTESERR 9 |
| |
| #define PTRACE_PEEKMTETAGS 33 |
| #define PTRACE_POKEMTETAGS 34 |
| |
| #define NT_ARM_TAGGED_ADDR_CTRL 0x409 |
| |
| #endif |
