arch/microblaze/include/asm/ptrace.h

   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
  64 static 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 */