arch/score/include/uapi/asm/ptrace.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI_ASM_SCORE_PTRACE_H
   3 #define _UAPI_ASM_SCORE_PTRACE_H
   4
   5 #define PTRACE_GETREGS          12
   6 #define PTRACE_SETREGS          13
   7
   8 #define SINGLESTEP16_INSN       0x7006
   9 #define SINGLESTEP32_INSN       0x840C8000
  10 #define BREAKPOINT16_INSN       0x7002          /* work on SPG300 */
  11 #define BREAKPOINT32_INSN       0x84048000      /* work on SPG300 */
  12
  13 /* Define instruction mask */
  14 #define INSN32_MASK     0x80008000
  15
  16 #define J32     0x88008000      /* 1_00010_0000000000_1_000000000000000 */
  17 #define J32M    0xFC008000      /* 1_11111_0000000000_1_000000000000000 */
  18
  19 #define B32     0x90008000      /* 1_00100_0000000000_1_000000000000000 */
  20 #define B32M    0xFC008000
  21 #define BL32    0x90008001      /* 1_00100_0000000000_1_000000000000001 */
  22 #define BL32M   B32
  23 #define BR32    0x80008008      /* 1_00000_0000000000_1_00000000_000100_0 */
  24 #define BR32M   0xFFE0807E
  25 #define BRL32   0x80008009      /* 1_00000_0000000000_1_00000000_000100_1 */
  26 #define BRL32M  BR32M
  27
  28 #define B32_SET (J32 | B32 | BL32 | BR32 | BRL32)
  29
  30 #define J16     0x3000          /* 0_011_....... */
  31 #define J16M    0xF000
  32 #define B16     0x4000          /* 0_100_....... */
  33 #define B16M    0xF000
  34 #define BR16    0x0004          /* 0_000.......0100 */
  35 #define BR16M   0xF00F
  36 #define B16_SET (J16 | B16 | BR16)
  37
  38
  39 /*
  40  * This struct defines the way the registers are stored on the stack during a
  41  * system call/exception. As usual the registers k0/k1 aren't being saved.
  42  */
  43 struct pt_regs {
  44         unsigned long pad0[6];  /* stack arguments */
  45         unsigned long orig_r4;
  46         unsigned long orig_r7;
  47         long is_syscall;
  48
  49         unsigned long regs[32];
  50
  51         unsigned long cel;
  52         unsigned long ceh;
  53
  54         unsigned long sr0;      /* cnt */
  55         unsigned long sr1;      /* lcr */
  56         unsigned long sr2;      /* scr */
  57
  58         unsigned long cp0_epc;
  59         unsigned long cp0_ema;
  60         unsigned long cp0_psr;
  61         unsigned long cp0_ecr;
  62         unsigned long cp0_condition;
  63 };
  64
  65
  66 #endif /* _UAPI_ASM_SCORE_PTRACE_H */