1 /* 2 * Copyright (C) 2006 Atmark Techno, Inc. 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 */ 8 9 #ifndef _ASM_MICROBLAZE_PTRACE_H 10 #define _ASM_MICROBLAZE_PTRACE_H 11 12 #ifndef __ASSEMBLY__ 13 14 typedef unsigned long microblaze_reg_t; 15 16 struct pt_regs { 17 microblaze_reg_t r0; 18 microblaze_reg_t r1; 19 microblaze_reg_t r2; 20 microblaze_reg_t r3; 21 microblaze_reg_t r4; 22 microblaze_reg_t r5; 23 microblaze_reg_t r6; 24 microblaze_reg_t r7; 25 microblaze_reg_t r8; 26 microblaze_reg_t r9; 27 microblaze_reg_t r10; 28 microblaze_reg_t r11; 29 microblaze_reg_t r12; 30 microblaze_reg_t r13; 31 microblaze_reg_t r14; 32 microblaze_reg_t r15; 33 microblaze_reg_t r16; 34 microblaze_reg_t r17; 35 microblaze_reg_t r18; 36 microblaze_reg_t r19; 37 microblaze_reg_t r20; 38 microblaze_reg_t r21; 39 microblaze_reg_t r22; 40 microblaze_reg_t r23; 41 microblaze_reg_t r24; 42 microblaze_reg_t r25; 43 microblaze_reg_t r26; 44 microblaze_reg_t r27; 45 microblaze_reg_t r28; 46 microblaze_reg_t r29; 47 microblaze_reg_t r30; 48 microblaze_reg_t r31; 49 microblaze_reg_t pc; 50 microblaze_reg_t msr; 51 microblaze_reg_t ear; 52 microblaze_reg_t esr; 53 microblaze_reg_t fsr; 54 int pt_mode; 55 }; 56 57 #ifdef __KERNEL__ 58 #define kernel_mode(regs) ((regs)->pt_mode) 59 #define user_mode(regs) (!kernel_mode(regs)) 60 61 #define instruction_pointer(regs) ((regs)->pc) 62 #define profile_pc(regs) instruction_pointer(regs) 63 regs_return_value(struct pt_regs * regs)64static inline long regs_return_value(struct pt_regs *regs) 65 { 66 return regs->r3; 67 } 68 69 #else /* __KERNEL__ */ 70 71 /* pt_regs offsets used by gdbserver etc in ptrace syscalls */ 72 #define PT_GPR(n) ((n) * sizeof(microblaze_reg_t)) 73 #define PT_PC (32 * sizeof(microblaze_reg_t)) 74 #define PT_MSR (33 * sizeof(microblaze_reg_t)) 75 #define PT_EAR (34 * sizeof(microblaze_reg_t)) 76 #define PT_ESR (35 * sizeof(microblaze_reg_t)) 77 #define PT_FSR (36 * sizeof(microblaze_reg_t)) 78 #define PT_KERNEL_MODE (37 * sizeof(microblaze_reg_t)) 79 80 #endif /* __KERNEL */ 81 82 #endif /* __ASSEMBLY__ */ 83 84 #endif /* _ASM_MICROBLAZE_PTRACE_H */ 85