1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated 4 * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com) 5 * 6 * Updated for 2.6.34: Mark Salter <msalter@redhat.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12#ifndef _UAPI_ASM_C6X_PTRACE_H 13#define _UAPI_ASM_C6X_PTRACE_H 14 15#define BKPT_OPCODE 0x56454314 /* illegal opcode */ 16 17#ifdef _BIG_ENDIAN 18#define PT_LO(odd, even) odd 19#define PT_HI(odd, even) even 20#else 21#define PT_LO(odd, even) even 22#define PT_HI(odd, even) odd 23#endif 24 25#define PT_A4_ORG PT_LO(1, 0) 26#define PT_TSR PT_HI(1, 0) 27#define PT_ILC PT_LO(3, 2) 28#define PT_RILC PT_HI(3, 2) 29#define PT_CSR PT_LO(5, 4) 30#define PT_PC PT_HI(5, 4) 31#define PT_B16 PT_LO(7, 6) 32#define PT_B17 PT_HI(7, 6) 33#define PT_B18 PT_LO(9, 8) 34#define PT_B19 PT_HI(9, 8) 35#define PT_B20 PT_LO(11, 10) 36#define PT_B21 PT_HI(11, 10) 37#define PT_B22 PT_LO(13, 12) 38#define PT_B23 PT_HI(13, 12) 39#define PT_B24 PT_LO(15, 14) 40#define PT_B25 PT_HI(15, 14) 41#define PT_B26 PT_LO(17, 16) 42#define PT_B27 PT_HI(17, 16) 43#define PT_B28 PT_LO(19, 18) 44#define PT_B29 PT_HI(19, 18) 45#define PT_B30 PT_LO(21, 20) 46#define PT_B31 PT_HI(21, 20) 47#define PT_B0 PT_LO(23, 22) 48#define PT_B1 PT_HI(23, 22) 49#define PT_B2 PT_LO(25, 24) 50#define PT_B3 PT_HI(25, 24) 51#define PT_B4 PT_LO(27, 26) 52#define PT_B5 PT_HI(27, 26) 53#define PT_B6 PT_LO(29, 28) 54#define PT_B7 PT_HI(29, 28) 55#define PT_B8 PT_LO(31, 30) 56#define PT_B9 PT_HI(31, 30) 57#define PT_B10 PT_LO(33, 32) 58#define PT_B11 PT_HI(33, 32) 59#define PT_B12 PT_LO(35, 34) 60#define PT_B13 PT_HI(35, 34) 61#define PT_A16 PT_LO(37, 36) 62#define PT_A17 PT_HI(37, 36) 63#define PT_A18 PT_LO(39, 38) 64#define PT_A19 PT_HI(39, 38) 65#define PT_A20 PT_LO(41, 40) 66#define PT_A21 PT_HI(41, 40) 67#define PT_A22 PT_LO(43, 42) 68#define PT_A23 PT_HI(43, 42) 69#define PT_A24 PT_LO(45, 44) 70#define PT_A25 PT_HI(45, 44) 71#define PT_A26 PT_LO(47, 46) 72#define PT_A27 PT_HI(47, 46) 73#define PT_A28 PT_LO(49, 48) 74#define PT_A29 PT_HI(49, 48) 75#define PT_A30 PT_LO(51, 50) 76#define PT_A31 PT_HI(51, 50) 77#define PT_A0 PT_LO(53, 52) 78#define PT_A1 PT_HI(53, 52) 79#define PT_A2 PT_LO(55, 54) 80#define PT_A3 PT_HI(55, 54) 81#define PT_A4 PT_LO(57, 56) 82#define PT_A5 PT_HI(57, 56) 83#define PT_A6 PT_LO(59, 58) 84#define PT_A7 PT_HI(59, 58) 85#define PT_A8 PT_LO(61, 60) 86#define PT_A9 PT_HI(61, 60) 87#define PT_A10 PT_LO(63, 62) 88#define PT_A11 PT_HI(63, 62) 89#define PT_A12 PT_LO(65, 64) 90#define PT_A13 PT_HI(65, 64) 91#define PT_A14 PT_LO(67, 66) 92#define PT_A15 PT_HI(67, 66) 93#define PT_B14 PT_LO(69, 68) 94#define PT_B15 PT_HI(69, 68) 95 96#define NR_PTREGS 70 97 98#define PT_DP PT_B14 /* Data Segment Pointer (B14) */ 99#define PT_SP PT_B15 /* Stack Pointer (B15) */ 100 101#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ 102 103#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ 104#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ 105 106#ifndef __ASSEMBLY__ 107 108#ifdef _BIG_ENDIAN 109#define REG_PAIR(odd, even) unsigned long odd; unsigned long even 110#else 111#define REG_PAIR(odd, even) unsigned long even; unsigned long odd 112#endif 113 114/* 115 * this struct defines the way the registers are stored on the 116 * stack during a system call. fields defined with REG_PAIR 117 * are saved and restored using double-word memory operations 118 * which means the word ordering of the pair depends on endianess. 119 */ 120struct pt_regs { 121 REG_PAIR(tsr, orig_a4); 122 REG_PAIR(rilc, ilc); 123 REG_PAIR(pc, csr); 124 125 REG_PAIR(b17, b16); 126 REG_PAIR(b19, b18); 127 REG_PAIR(b21, b20); 128 REG_PAIR(b23, b22); 129 REG_PAIR(b25, b24); 130 REG_PAIR(b27, b26); 131 REG_PAIR(b29, b28); 132 REG_PAIR(b31, b30); 133 134 REG_PAIR(b1, b0); 135 REG_PAIR(b3, b2); 136 REG_PAIR(b5, b4); 137 REG_PAIR(b7, b6); 138 REG_PAIR(b9, b8); 139 REG_PAIR(b11, b10); 140 REG_PAIR(b13, b12); 141 142 REG_PAIR(a17, a16); 143 REG_PAIR(a19, a18); 144 REG_PAIR(a21, a20); 145 REG_PAIR(a23, a22); 146 REG_PAIR(a25, a24); 147 REG_PAIR(a27, a26); 148 REG_PAIR(a29, a28); 149 REG_PAIR(a31, a30); 150 151 REG_PAIR(a1, a0); 152 REG_PAIR(a3, a2); 153 REG_PAIR(a5, a4); 154 REG_PAIR(a7, a6); 155 REG_PAIR(a9, a8); 156 REG_PAIR(a11, a10); 157 REG_PAIR(a13, a12); 158 159 REG_PAIR(a15, a14); 160 REG_PAIR(sp, dp); 161}; 162 163#endif /* __ASSEMBLY__ */ 164#endif /* _UAPI_ASM_C6X_PTRACE_H */ 165