include/asm-sparc/ptrace.h

   1 /* $Id: ptrace.h,v 1.25 1997/03/04 16:27:25 jj Exp $ */
   2 #ifndef _SPARC_PTRACE_H
   3 #define _SPARC_PTRACE_H
   4
   5 #include <asm/psr.h>
   6
   7 /* This struct defines the way the registers are stored on the
   8  * stack during a system call and basically all traps.
   9  */
  10
  11 #ifndef __ASSEMBLY__
  12
  13 struct pt_regs {
  14         unsigned long psr;
  15         unsigned long pc;
  16         unsigned long npc;
  17         unsigned long y;
  18         unsigned long u_regs[16]; /* globals and ins */
  19 };
  20
  21 #define UREG_G0        0
  22 #define UREG_G1        1
  23 #define UREG_G2        2
  24 #define UREG_G3        3
  25 #define UREG_G4        4
  26 #define UREG_G5        5
  27 #define UREG_G6        6
  28 #define UREG_G7        7
  29 #define UREG_I0        8
  30 #define UREG_I1        9
  31 #define UREG_I2        10
  32 #define UREG_I3        11
  33 #define UREG_I4        12
  34 #define UREG_I5        13
  35 #define UREG_I6        14
  36 #define UREG_I7        15
  37 #define UREG_WIM       UREG_G0
  38 #define UREG_FADDR     UREG_G0
  39 #define UREG_FP        UREG_I6
  40 #define UREG_RETPC     UREG_I7
  41
  42 /* A register window */
  43 struct reg_window {
  44         unsigned long locals[8];
  45         unsigned long ins[8];
  46 };
  47
  48 /* A Sparc stack frame */
  49 struct sparc_stackf {
  50         unsigned long locals[8];
  51         unsigned long ins[6];
  52         struct sparc_stackf *fp;
  53         unsigned long callers_pc;
  54         char *structptr;
  55         unsigned long xargs[6];
  56         unsigned long xxargs[1];
  57 };
  58
  59 #define TRACEREG_SZ   sizeof(struct pt_regs)
  60 #define STACKFRAME_SZ sizeof(struct sparc_stackf)
  61 #define REGWIN_SZ     sizeof(struct reg_window)
  62
  63 #ifdef __KERNEL__
  64 #define user_mode(regs) (!((regs)->psr & PSR_PS))
  65 #define instruction_pointer(regs) ((regs)->pc)
  66 extern void show_regs(struct pt_regs *);
  67 #endif
  68
  69 #else /* __ASSEMBLY__ */
  70 /* For assembly code. */
  71 #define TRACEREG_SZ       0x50
  72 #define STACKFRAME_SZ     0x60
  73 #define REGWIN_SZ         0x40
  74 #endif
  75
  76 #include <asm/asm_offsets.h>
  77
  78 /* These are for pt_regs. */
  79 #define PT_PSR    0x0
  80 #define PT_PC     0x4
  81 #define PT_NPC    0x8
  82 #define PT_Y      0xc
  83 #define PT_G0     0x10
  84 #define PT_WIM    PT_G0
  85 #define PT_G1     0x14
  86 #define PT_G2     0x18
  87 #define PT_G3     0x1c
  88 #define PT_G4     0x20
  89 #define PT_G5     0x24
  90 #define PT_G6     0x28
  91 #define PT_G7     0x2c
  92 #define PT_I0     0x30
  93 #define PT_I1     0x34
  94 #define PT_I2     0x38
  95 #define PT_I3     0x3c
  96 #define PT_I4     0x40
  97 #define PT_I5     0x44
  98 #define PT_I6     0x48
  99 #define PT_FP     PT_I6
 100 #define PT_I7     0x4c
 101
 102 /* Reg_window offsets */
 103 #define RW_L0     0x00
 104 #define RW_L1     0x04
 105 #define RW_L2     0x08
 106 #define RW_L3     0x0c
 107 #define RW_L4     0x10
 108 #define RW_L5     0x14
 109 #define RW_L6     0x18
 110 #define RW_L7     0x1c
 111 #define RW_I0     0x20
 112 #define RW_I1     0x24
 113 #define RW_I2     0x28
 114 #define RW_I3     0x2c
 115 #define RW_I4     0x30
 116 #define RW_I5     0x34
 117 #define RW_I6     0x38
 118 #define RW_I7     0x3c
 119
 120 /* Stack_frame offsets */
 121 #define SF_L0     0x00
 122 #define SF_L1     0x04
 123 #define SF_L2     0x08
 124 #define SF_L3     0x0c
 125 #define SF_L4     0x10
 126 #define SF_L5     0x14
 127 #define SF_L6     0x18
 128 #define SF_L7     0x1c
 129 #define SF_I0     0x20
 130 #define SF_I1     0x24
 131 #define SF_I2     0x28
 132 #define SF_I3     0x2c
 133 #define SF_I4     0x30
 134 #define SF_I5     0x34
 135 #define SF_FP     0x38
 136 #define SF_PC     0x3c
 137 #define SF_RETP   0x40
 138 #define SF_XARG0  0x44
 139 #define SF_XARG1  0x48
 140 #define SF_XARG2  0x4c
 141 #define SF_XARG3  0x50
 142 #define SF_XARG4  0x54
 143 #define SF_XARG5  0x58
 144 #define SF_XXARG  0x5c
 145
 146 /* Stuff for the ptrace system call */
 147 #define PTRACE_SUNATTACH          10
 148 #define PTRACE_SUNDETACH          11
 149 #define PTRACE_GETREGS            12
 150 #define PTRACE_SETREGS            13
 151 #define PTRACE_GETFPREGS          14
 152 #define PTRACE_SETFPREGS          15
 153 #define PTRACE_READDATA           16
 154 #define PTRACE_WRITEDATA          17
 155 #define PTRACE_READTEXT           18
 156 #define PTRACE_WRITETEXT          19
 157 #define PTRACE_GETFPAREGS         20
 158 #define PTRACE_SETFPAREGS         21
 159
 160 #define PTRACE_GETUCODE           29  /* stupid bsd-ism */
 161
 162
 163 #endif /* !(_SPARC_PTRACE_H) */