1 /* 2 * arch/arm/include/asm/ptrace.h 3 * 4 * Copyright (C) 1996-2003 Russell King 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #ifndef _UAPI__ASM_ARM_PTRACE_H 11 #define _UAPI__ASM_ARM_PTRACE_H 12 13 #include <asm/hwcap.h> 14 15 #define PTRACE_GETREGS 12 16 #define PTRACE_SETREGS 13 17 #define PTRACE_GETFPREGS 14 18 #define PTRACE_SETFPREGS 15 19 /* PTRACE_ATTACH is 16 */ 20 /* PTRACE_DETACH is 17 */ 21 #define PTRACE_GETWMMXREGS 18 22 #define PTRACE_SETWMMXREGS 19 23 /* 20 is unused */ 24 #define PTRACE_OLDSETOPTIONS 21 25 #define PTRACE_GET_THREAD_AREA 22 26 #define PTRACE_SET_SYSCALL 23 27 /* PTRACE_SYSCALL is 24 */ 28 #define PTRACE_GETCRUNCHREGS 25 29 #define PTRACE_SETCRUNCHREGS 26 30 #define PTRACE_GETVFPREGS 27 31 #define PTRACE_SETVFPREGS 28 32 #define PTRACE_GETHBPREGS 29 33 #define PTRACE_SETHBPREGS 30 34 35 /* 36 * PSR bits 37 * Note on V7M there is no mode contained in the PSR 38 */ 39 #define USR26_MODE 0x00000000 40 #define FIQ26_MODE 0x00000001 41 #define IRQ26_MODE 0x00000002 42 #define SVC26_MODE 0x00000003 43 #if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) 44 /* 45 * Use 0 here to get code right that creates a userspace 46 * or kernel space thread. 47 */ 48 #define USR_MODE 0x00000000 49 #define SVC_MODE 0x00000000 50 #else 51 #define USR_MODE 0x00000010 52 #define SVC_MODE 0x00000013 53 #endif 54 #define FIQ_MODE 0x00000011 55 #define IRQ_MODE 0x00000012 56 #define ABT_MODE 0x00000017 57 #define HYP_MODE 0x0000001a 58 #define UND_MODE 0x0000001b 59 #define SYSTEM_MODE 0x0000001f 60 #define MODE32_BIT 0x00000010 61 #define MODE_MASK 0x0000001f 62 63 #define V4_PSR_T_BIT 0x00000020 /* >= V4T, but not V7M */ 64 #define V7M_PSR_T_BIT 0x01000000 65 #if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) 66 #define PSR_T_BIT V7M_PSR_T_BIT 67 #else 68 /* for compatibility */ 69 #define PSR_T_BIT V4_PSR_T_BIT 70 #endif 71 72 #define PSR_F_BIT 0x00000040 /* >= V4, but not V7M */ 73 #define PSR_I_BIT 0x00000080 /* >= V4, but not V7M */ 74 #define PSR_A_BIT 0x00000100 /* >= V6, but not V7M */ 75 #define PSR_E_BIT 0x00000200 /* >= V6, but not V7M */ 76 #define PSR_J_BIT 0x01000000 /* >= V5J, but not V7M */ 77 #define PSR_Q_BIT 0x08000000 /* >= V5E, including V7M */ 78 #define PSR_V_BIT 0x10000000 79 #define PSR_C_BIT 0x20000000 80 #define PSR_Z_BIT 0x40000000 81 #define PSR_N_BIT 0x80000000 82 83 /* 84 * Groups of PSR bits 85 */ 86 #define PSR_f 0xff000000 /* Flags */ 87 #define PSR_s 0x00ff0000 /* Status */ 88 #define PSR_x 0x0000ff00 /* Extension */ 89 #define PSR_c 0x000000ff /* Control */ 90 91 /* 92 * ARMv7 groups of PSR bits 93 */ 94 #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ 95 #define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ 96 #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ 97 #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ 98 99 /* 100 * Default endianness state 101 */ 102 #ifdef CONFIG_CPU_ENDIAN_BE8 103 #define PSR_ENDSTATE PSR_E_BIT 104 #else 105 #define PSR_ENDSTATE 0 106 #endif 107 108 /* 109 * These are 'magic' values for PTRACE_PEEKUSR that return info about where a 110 * process is located in memory. 111 */ 112 #define PT_TEXT_ADDR 0x10000 113 #define PT_DATA_ADDR 0x10004 114 #define PT_TEXT_END_ADDR 0x10008 115 116 #ifndef __ASSEMBLY__ 117 118 /* 119 * This struct defines the way the registers are stored on the 120 * stack during a system call. Note that sizeof(struct pt_regs) 121 * has to be a multiple of 8. 122 */ 123 #ifndef __KERNEL__ 124 struct pt_regs { 125 long uregs[18]; 126 }; 127 #endif /* __KERNEL__ */ 128 129 #define ARM_cpsr uregs[16] 130 #define ARM_pc uregs[15] 131 #define ARM_lr uregs[14] 132 #define ARM_sp uregs[13] 133 #define ARM_ip uregs[12] 134 #define ARM_fp uregs[11] 135 #define ARM_r10 uregs[10] 136 #define ARM_r9 uregs[9] 137 #define ARM_r8 uregs[8] 138 #define ARM_r7 uregs[7] 139 #define ARM_r6 uregs[6] 140 #define ARM_r5 uregs[5] 141 #define ARM_r4 uregs[4] 142 #define ARM_r3 uregs[3] 143 #define ARM_r2 uregs[2] 144 #define ARM_r1 uregs[1] 145 #define ARM_r0 uregs[0] 146 #define ARM_ORIG_r0 uregs[17] 147 148 /* 149 * The size of the user-visible VFP state as seen by PTRACE_GET/SETVFPREGS 150 * and core dumps. 151 */ 152 #define ARM_VFPREGS_SIZE ( 32 * 8 /*fpregs*/ + 4 /*fpscr*/ ) 153 154 155 #endif /* __ASSEMBLY__ */ 156 157 #endif /* _UAPI__ASM_ARM_PTRACE_H */ 158
