1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* 2 /*
3 * Ptrace definitions for the Hexagon architec !! 3 * This file is subject to the terms and conditions of the GNU General Public
>> 4 * License. See the file "COPYING" in the main directory of this archive
>> 5 * for more details.
4 * 6 *
5 * Copyright (c) 2010-2011, The Linux Foundati !! 7 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
6 * !! 8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
7 * This program is free software; you can redi <<
8 * it under the terms of the GNU General Publi <<
9 * only version 2 as published by the Free Sof <<
10 * <<
11 * This program is distributed in the hope tha <<
12 * but WITHOUT ANY WARRANTY; without even the <<
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR <<
14 * GNU General Public License for more details <<
15 * <<
16 * You should have received a copy of the GNU <<
17 * along with this program; if not, write to t <<
18 * Foundation, Inc., 51 Franklin Street, Fifth <<
19 * 02110-1301, USA. <<
20 */ 9 */
>> 10 #ifndef _UAPI_ASM_PTRACE_H
>> 11 #define _UAPI_ASM_PTRACE_H
>> 12
>> 13 #include <linux/types.h>
21 14
22 #ifndef _ASM_PTRACE_H !! 15 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
23 #define _ASM_PTRACE_H !! 16 #define FPR_BASE 32
>> 17 #define PC 64
>> 18 #define CAUSE 65
>> 19 #define BADVADDR 66
>> 20 #define MMHI 67
>> 21 #define MMLO 68
>> 22 #define FPC_CSR 69
>> 23 #define FPC_EIR 70
>> 24 #define DSP_BASE 71 /* 3 more hi / lo register pairs */
>> 25 #define DSP_CONTROL 77
>> 26 #define ACX 78
24 27
25 #include <asm/registers.h> !! 28 /*
>> 29 * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The
>> 30 * format is the same for both 32- and 64-bit processes. Registers for 32-bit
>> 31 * processes are sign extended.
>> 32 */
>> 33 #ifdef __KERNEL__
>> 34 struct user_pt_regs {
>> 35 #else
>> 36 struct pt_regs {
>> 37 #endif
>> 38 /* Saved main processor registers. */
>> 39 __u64 regs[32];
26 40
27 #define instruction_pointer(regs) pt_elr(regs) !! 41 /* Saved special registers. */
28 #define user_stack_pointer(regs) ((regs)->r29) !! 42 __u64 lo;
>> 43 __u64 hi;
>> 44 __u64 cp0_epc;
>> 45 __u64 cp0_badvaddr;
>> 46 __u64 cp0_status;
>> 47 __u64 cp0_cause;
>> 48 } __attribute__ ((aligned (8)));
29 49
30 #define profile_pc(regs) instruction_pointer(r !! 50 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
>> 51 #define PTRACE_GETREGS 12
>> 52 #define PTRACE_SETREGS 13
>> 53 #define PTRACE_GETFPREGS 14
>> 54 #define PTRACE_SETFPREGS 15
>> 55 /* #define PTRACE_GETFPXREGS 18 */
>> 56 /* #define PTRACE_SETFPXREGS 19 */
31 57
32 #endif !! 58 #define PTRACE_OLDSETOPTIONS 21
>> 59
>> 60 #define PTRACE_GET_THREAD_AREA 25
>> 61 #define PTRACE_SET_THREAD_AREA 26
>> 62
>> 63 /* Calls to trace a 64bit program from a 32bit program. */
>> 64 #define PTRACE_PEEKTEXT_3264 0xc0
>> 65 #define PTRACE_PEEKDATA_3264 0xc1
>> 66 #define PTRACE_POKETEXT_3264 0xc2
>> 67 #define PTRACE_POKEDATA_3264 0xc3
>> 68 #define PTRACE_GET_THREAD_AREA_3264 0xc4
>> 69
>> 70 /* Read and write watchpoint registers. */
>> 71 enum pt_watch_style {
>> 72 pt_watch_style_mips32,
>> 73 pt_watch_style_mips64
>> 74 };
>> 75 struct mips32_watch_regs {
>> 76 unsigned int watchlo[8];
>> 77 /* Lower 16 bits of watchhi. */
>> 78 unsigned short watchhi[8];
>> 79 /* Valid mask and I R W bits.
>> 80 * bit 0 -- 1 if W bit is usable.
>> 81 * bit 1 -- 1 if R bit is usable.
>> 82 * bit 2 -- 1 if I bit is usable.
>> 83 * bits 3 - 11 -- Valid watchhi mask bits.
>> 84 */
>> 85 unsigned short watch_masks[8];
>> 86 /* The number of valid watch register pairs. */
>> 87 unsigned int num_valid;
>> 88 } __attribute__((aligned(8)));
>> 89
>> 90 struct mips64_watch_regs {
>> 91 unsigned long long watchlo[8];
>> 92 unsigned short watchhi[8];
>> 93 unsigned short watch_masks[8];
>> 94 unsigned int num_valid;
>> 95 } __attribute__((aligned(8)));
>> 96
>> 97 struct pt_watch_regs {
>> 98 enum pt_watch_style style;
>> 99 union {
>> 100 struct mips32_watch_regs mips32;
>> 101 struct mips64_watch_regs mips64;
>> 102 };
>> 103 };
>> 104
>> 105 #define PTRACE_GET_WATCH_REGS 0xd0
>> 106 #define PTRACE_SET_WATCH_REGS 0xd1
>> 107
>> 108
>> 109 #endif /* _UAPI_ASM_PTRACE_H */
33 110
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