1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
>> 2 #ifndef _UAPI_ASMAXP_PTRACE_H
>> 3 #define _UAPI_ASMAXP_PTRACE_H
>> 4
>> 5
2 /* 6 /*
3 * Copyright (C) 2010 Tobias Klauser <tklauser !! 7 * This struct defines the way the registers are stored on the
4 * Copyright (C) 2004 Microtronix Datacom Ltd !! 8 * kernel stack during a system call or other kernel entry
5 * 9 *
6 * based on m68k asm/processor.h !! 10 * NOTE! I want to minimize the overhead of system calls, so this
>> 11 * struct has as little information as possible. It does not have
7 * 12 *
8 * This file is subject to the terms and condi !! 13 * - floating point regs: the kernel doesn't change those
9 * License. See the file "COPYING" in the mai !! 14 * - r9-15: saved by the C compiler
10 * for more details. !! 15 *
>> 16 * This makes "fork()" and "exec()" a bit more complex, but should
>> 17 * give us low system call latency.
11 */ 18 */
12 19
13 #ifndef _UAPI_ASM_NIOS2_PTRACE_H !! 20 struct pt_regs {
14 #define _UAPI_ASM_NIOS2_PTRACE_H !! 21 unsigned long r0;
15 !! 22 unsigned long r1;
16 #ifndef __ASSEMBLY__ !! 23 unsigned long r2;
17 !! 24 unsigned long r3;
18 #include <linux/types.h> !! 25 unsigned long r4;
>> 26 unsigned long r5;
>> 27 unsigned long r6;
>> 28 unsigned long r7;
>> 29 unsigned long r8;
>> 30 unsigned long r19;
>> 31 unsigned long r20;
>> 32 unsigned long r21;
>> 33 unsigned long r22;
>> 34 unsigned long r23;
>> 35 unsigned long r24;
>> 36 unsigned long r25;
>> 37 unsigned long r26;
>> 38 unsigned long r27;
>> 39 unsigned long r28;
>> 40 unsigned long hae;
>> 41 /* JRP - These are the values provided to a0-a2 by PALcode */
>> 42 unsigned long trap_a0;
>> 43 unsigned long trap_a1;
>> 44 unsigned long trap_a2;
>> 45 /* These are saved by PAL-code: */
>> 46 unsigned long ps;
>> 47 unsigned long pc;
>> 48 unsigned long gp;
>> 49 unsigned long r16;
>> 50 unsigned long r17;
>> 51 unsigned long r18;
>> 52 };
19 53
20 /* 54 /*
21 * Register numbers used by 'ptrace' system ca !! 55 * This is the extended stack used by signal handlers and the context
>> 56 * switcher: it's pushed after the normal "struct pt_regs".
22 */ 57 */
23 !! 58 struct switch_stack {
24 /* GP registers */ !! 59 unsigned long r9;
25 #define PTR_R0 0 !! 60 unsigned long r10;
26 #define PTR_R1 1 !! 61 unsigned long r11;
27 #define PTR_R2 2 !! 62 unsigned long r12;
28 #define PTR_R3 3 !! 63 unsigned long r13;
29 #define PTR_R4 4 !! 64 unsigned long r14;
30 #define PTR_R5 5 !! 65 unsigned long r15;
31 #define PTR_R6 6 !! 66 unsigned long r26;
32 #define PTR_R7 7 !! 67 #ifndef __KERNEL__
33 #define PTR_R8 8 !! 68 unsigned long fp[32]; /* fp[31] is fpcr */
34 #define PTR_R9 9 !! 69 #endif
35 #define PTR_R10 10 <<
36 #define PTR_R11 11 <<
37 #define PTR_R12 12 <<
38 #define PTR_R13 13 <<
39 #define PTR_R14 14 <<
40 #define PTR_R15 15 <<
41 #define PTR_R16 16 <<
42 #define PTR_R17 17 <<
43 #define PTR_R18 18 <<
44 #define PTR_R19 19 <<
45 #define PTR_R20 20 <<
46 #define PTR_R21 21 <<
47 #define PTR_R22 22 <<
48 #define PTR_R23 23 <<
49 #define PTR_R24 24 <<
50 #define PTR_R25 25 <<
51 #define PTR_GP 26 <<
52 #define PTR_SP 27 <<
53 #define PTR_FP 28 <<
54 #define PTR_EA 29 <<
55 #define PTR_BA 30 <<
56 #define PTR_RA 31 <<
57 /* Control registers */ <<
58 #define PTR_PC 32 <<
59 #define PTR_STATUS 33 <<
60 #define PTR_ESTATUS 34 <<
61 #define PTR_BSTATUS 35 <<
62 #define PTR_IENABLE 36 <<
63 #define PTR_IPENDING 37 <<
64 #define PTR_CPUID 38 <<
65 #define PTR_CTL6 39 <<
66 #define PTR_EXCEPTION 40 <<
67 #define PTR_PTEADDR 41 <<
68 #define PTR_TLBACC 42 <<
69 #define PTR_TLBMISC 43 <<
70 #define PTR_ECCINJ 44 <<
71 #define PTR_BADADDR 45 <<
72 #define PTR_CONFIG 46 <<
73 #define PTR_MPUBASE 47 <<
74 #define PTR_MPUACC 48 <<
75 <<
76 #define NUM_PTRACE_REG (PTR_MPUACC + 1) <<
77 <<
78 /* User structures for general purpose registe <<
79 struct user_pt_regs { <<
80 __u32 regs[49]; <<
81 }; 70 };
82 71
83 #endif /* __ASSEMBLY__ */ !! 72
84 #endif /* _UAPI_ASM_NIOS2_PTRACE_H */ !! 73 #endif /* _UAPI_ASMAXP_PTRACE_H */
85 74
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