root/include/asm-sparc/ptrace.h

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INCLUDED FROM


   1 /* $Id: ptrace.h,v 1.14 1995/11/25 02:32:33 davem 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_FP        UREG_I6
  39 #define UREG_RETPC     UREG_I7
  40 
  41 /* A register window */
  42 struct reg_window {
  43         unsigned long locals[8];
  44         unsigned long ins[8];
  45 };
  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 /* First generic task_struct offsets. sizeof(task_struct)=1536 */
  77 #define TASK_STATE        0x000
  78 #define TASK_PRIORITY     0x008
  79 #define TASK_SIGNAL       0x00c
  80 #define TASK_BLOCKED      0x010
  81 #define TASK_FLAGS        0x014
  82 #define TASK_SAVED_KSTACK 0x054
  83 #define TASK_KSTACK_PG    0x058
  84 
  85 /* Thread stuff. */
  86 #define THREAD_UMASK      0x210
  87 #define THREAD_SADDR      0x218
  88 #define THREAD_SDESC      0x21c
  89 #define THREAD_KSP        0x220
  90 #define THREAD_KPC        0x224
  91 #define THREAD_KPSR       0x228
  92 #define THREAD_KWIM       0x22c
  93 #define THREAD_REG_WINDOW 0x230
  94 #define THREAD_STACK_PTRS 0x430
  95 #define THREAD_W_SAVED    0x450
  96 #define THREAD_PGD_PTR    0x454
  97 #define THREAD_CONTEXT    0x458
  98 #define THREAD_FLOAT_REGS 0x460
  99 #define THREAD_FSR        0x560
 100 #define THREAD_SIGSTK     0x5e8
 101 
 102 /* These are for pt_regs. */
 103 #define PT_PSR    0x0
 104 #define PT_PC     0x4
 105 #define PT_NPC    0x8
 106 #define PT_Y      0xc
 107 #define PT_G0     0x10
 108 #define PT_WIM    PT_G0
 109 #define PT_G1     0x14
 110 #define PT_G2     0x18
 111 #define PT_G3     0x1c
 112 #define PT_G4     0x20
 113 #define PT_G5     0x24
 114 #define PT_G6     0x28
 115 #define PT_G7     0x2c
 116 #define PT_I0     0x30
 117 #define PT_I1     0x34
 118 #define PT_I2     0x38
 119 #define PT_I3     0x3c
 120 #define PT_I4     0x40
 121 #define PT_I5     0x44
 122 #define PT_I6     0x48
 123 #define PT_FP     PT_I6
 124 #define PT_I7     0x4c
 125 
 126 /* Reg_window offsets */
 127 #define RW_L0     0x00
 128 #define RW_L1     0x04
 129 #define RW_L2     0x08
 130 #define RW_L3     0x0c
 131 #define RW_L4     0x10
 132 #define RW_L5     0x14
 133 #define RW_L6     0x18
 134 #define RW_L7     0x1c
 135 #define RW_I0     0x20
 136 #define RW_I1     0x24
 137 #define RW_I2     0x28
 138 #define RW_I3     0x2c
 139 #define RW_I4     0x30
 140 #define RW_I5     0x34
 141 #define RW_I6     0x38
 142 #define RW_I7     0x3c
 143 
 144 /* Stack_frame offsets */
 145 #define SF_L0     0x00
 146 #define SF_L1     0x04
 147 #define SF_L2     0x08
 148 #define SF_L3     0x0c
 149 #define SF_L4     0x10
 150 #define SF_L5     0x14
 151 #define SF_L6     0x18
 152 #define SF_L7     0x1c
 153 #define SF_I0     0x20
 154 #define SF_I1     0x24
 155 #define SF_I2     0x28
 156 #define SF_I3     0x2c
 157 #define SF_I4     0x30
 158 #define SF_I5     0x34
 159 #define SF_FP     0x38
 160 #define SF_PC     0x3c
 161 #define SF_RETP   0x40
 162 #define SF_XARG0  0x44
 163 #define SF_XARG1  0x48
 164 #define SF_XARG2  0x4c
 165 #define SF_XARG3  0x50
 166 #define SF_XARG4  0x54
 167 #define SF_XARG5  0x58
 168 #define SF_XXARG  0x5c
 169 
 170 #endif /* !(_SPARC_PTRACE_H) */

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