include/asm-sparc64/ptrace.h

   1 /* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
   2 #ifndef _SPARC64_PTRACE_H
   3 #define _SPARC64_PTRACE_H
   4
   5 #include <asm/pstate.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 u_regs[16]; /* globals and ins */
  15         unsigned long tstate;
  16         unsigned long tpc;
  17         unsigned long tnpc;
  18         unsigned int y;
  19         unsigned int fprs;
  20 };
  21
  22 struct pt_regs32 {
  23         unsigned int psr;
  24         unsigned int pc;
  25         unsigned int npc;
  26         unsigned int y;
  27         unsigned int u_regs[16]; /* globals and ins */
  28 };
  29
  30 #define UREG_G0        0
  31 #define UREG_G1        1
  32 #define UREG_G2        2
  33 #define UREG_G3        3
  34 #define UREG_G4        4
  35 #define UREG_G5        5
  36 #define UREG_G6        6
  37 #define UREG_G7        7
  38 #define UREG_I0        8
  39 #define UREG_I1        9
  40 #define UREG_I2        10
  41 #define UREG_I3        11
  42 #define UREG_I4        12
  43 #define UREG_I5        13
  44 #define UREG_I6        14
  45 #define UREG_I7        15
  46 #define UREG_FP        UREG_I6
  47 #define UREG_RETPC     UREG_I7
  48
  49 /* A V9 register window */
  50 struct reg_window {
  51         unsigned long locals[8];
  52         unsigned long ins[8];
  53 };
  54
  55 /* A 32-bit register window. */
  56 struct reg_window32 {
  57         unsigned int locals[8];
  58         unsigned int ins[8];
  59 };
  60
  61 /* A V9 Sparc stack frame */
  62 struct sparc_stackf {
  63         unsigned long locals[8];
  64         unsigned long ins[6];
  65         struct sparc_stackf *fp;
  66         unsigned long callers_pc;
  67         char *structptr;
  68         unsigned long xargs[6];
  69         unsigned long xxargs[1];
  70 };
  71
  72 /* A 32-bit Sparc stack frame */
  73 struct sparc_stackf32 {
  74         unsigned int locals[8];
  75         unsigned int ins[6];
  76         unsigned int fp;
  77         unsigned int callers_pc;
  78         unsigned int structptr;
  79         unsigned int xargs[6];
  80         unsigned int xxargs[1];
  81 };
  82
  83 struct sparc_trapf {
  84         unsigned long locals[8];
  85         unsigned long ins[8];
  86         unsigned long _unused;
  87         struct pt_regs *regs;
  88 };
  89
  90 #define TRACEREG_SZ     sizeof(struct pt_regs)
  91 #define STACKFRAME_SZ   sizeof(struct sparc_stackf)
  92
  93 #define TRACEREG32_SZ   sizeof(struct pt_regs32)
  94 #define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
  95
  96 #ifdef __KERNEL__
  97
  98 #define __ARCH_WANT_COMPAT_SYS_PTRACE
  99
 100 #define force_successful_syscall_return()           \
 101 do {    current_thread_info()->syscall_noerror = 1; \
 102 } while (0)
 103 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 104 #define instruction_pointer(regs) ((regs)->tpc)
 105 #define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
 106 #ifdef CONFIG_SMP
 107 extern unsigned long profile_pc(struct pt_regs *);
 108 #else
 109 #define profile_pc(regs) instruction_pointer(regs)
 110 #endif
 111 extern void show_regs(struct pt_regs *);
 112 #endif
 113
 114 #else /* __ASSEMBLY__ */
 115 /* For assembly code. */
 116 #define TRACEREG_SZ             0xa0
 117 #define STACKFRAME_SZ           0xc0
 118
 119 #define TRACEREG32_SZ           0x50
 120 #define STACKFRAME32_SZ         0x60
 121 #endif
 122
 123 #ifdef __KERNEL__
 124 #define STACK_BIAS              2047
 125 #endif
 126
 127 /* These are for pt_regs. */
 128 #define PT_V9_G0     0x00
 129 #define PT_V9_G1     0x08
 130 #define PT_V9_G2     0x10
 131 #define PT_V9_G3     0x18
 132 #define PT_V9_G4     0x20
 133 #define PT_V9_G5     0x28
 134 #define PT_V9_G6     0x30
 135 #define PT_V9_G7     0x38
 136 #define PT_V9_I0     0x40
 137 #define PT_V9_I1     0x48
 138 #define PT_V9_I2     0x50
 139 #define PT_V9_I3     0x58
 140 #define PT_V9_I4     0x60
 141 #define PT_V9_I5     0x68
 142 #define PT_V9_I6     0x70
 143 #define PT_V9_FP     PT_V9_I6
 144 #define PT_V9_I7     0x78
 145 #define PT_V9_TSTATE 0x80
 146 #define PT_V9_TPC    0x88
 147 #define PT_V9_TNPC   0x90
 148 #define PT_V9_Y      0x98
 149 #define PT_V9_FPRS   0x9c
 150 #define PT_TSTATE       PT_V9_TSTATE
 151 #define PT_TPC          PT_V9_TPC
 152 #define PT_TNPC         PT_V9_TNPC
 153
 154 /* These for pt_regs32. */
 155 #define PT_PSR    0x0
 156 #define PT_PC     0x4
 157 #define PT_NPC    0x8
 158 #define PT_Y      0xc
 159 #define PT_G0     0x10
 160 #define PT_WIM    PT_G0
 161 #define PT_G1     0x14
 162 #define PT_G2     0x18
 163 #define PT_G3     0x1c
 164 #define PT_G4     0x20
 165 #define PT_G5     0x24
 166 #define PT_G6     0x28
 167 #define PT_G7     0x2c
 168 #define PT_I0     0x30
 169 #define PT_I1     0x34
 170 #define PT_I2     0x38
 171 #define PT_I3     0x3c
 172 #define PT_I4     0x40
 173 #define PT_I5     0x44
 174 #define PT_I6     0x48
 175 #define PT_FP     PT_I6
 176 #define PT_I7     0x4c
 177
 178 /* Reg_window offsets */
 179 #define RW_V9_L0     0x00
 180 #define RW_V9_L1     0x08
 181 #define RW_V9_L2     0x10
 182 #define RW_V9_L3     0x18
 183 #define RW_V9_L4     0x20
 184 #define RW_V9_L5     0x28
 185 #define RW_V9_L6     0x30
 186 #define RW_V9_L7     0x38
 187 #define RW_V9_I0     0x40
 188 #define RW_V9_I1     0x48
 189 #define RW_V9_I2     0x50
 190 #define RW_V9_I3     0x58
 191 #define RW_V9_I4     0x60
 192 #define RW_V9_I5     0x68
 193 #define RW_V9_I6     0x70
 194 #define RW_V9_I7     0x78
 195
 196 #define RW_L0     0x00
 197 #define RW_L1     0x04
 198 #define RW_L2     0x08
 199 #define RW_L3     0x0c
 200 #define RW_L4     0x10
 201 #define RW_L5     0x14
 202 #define RW_L6     0x18
 203 #define RW_L7     0x1c
 204 #define RW_I0     0x20
 205 #define RW_I1     0x24
 206 #define RW_I2     0x28
 207 #define RW_I3     0x2c
 208 #define RW_I4     0x30
 209 #define RW_I5     0x34
 210 #define RW_I6     0x38
 211 #define RW_I7     0x3c
 212
 213 /* Stack_frame offsets */
 214 #define SF_V9_L0     0x00
 215 #define SF_V9_L1     0x08
 216 #define SF_V9_L2     0x10
 217 #define SF_V9_L3     0x18
 218 #define SF_V9_L4     0x20
 219 #define SF_V9_L5     0x28
 220 #define SF_V9_L6     0x30
 221 #define SF_V9_L7     0x38
 222 #define SF_V9_I0     0x40
 223 #define SF_V9_I1     0x48
 224 #define SF_V9_I2     0x50
 225 #define SF_V9_I3     0x58
 226 #define SF_V9_I4     0x60
 227 #define SF_V9_I5     0x68
 228 #define SF_V9_FP     0x70
 229 #define SF_V9_PC     0x78
 230 #define SF_V9_RETP   0x80
 231 #define SF_V9_XARG0  0x88
 232 #define SF_V9_XARG1  0x90
 233 #define SF_V9_XARG2  0x98
 234 #define SF_V9_XARG3  0xa0
 235 #define SF_V9_XARG4  0xa8
 236 #define SF_V9_XARG5  0xb0
 237 #define SF_V9_XXARG  0xb8
 238
 239 #define SF_L0     0x00
 240 #define SF_L1     0x04
 241 #define SF_L2     0x08
 242 #define SF_L3     0x0c
 243 #define SF_L4     0x10
 244 #define SF_L5     0x14
 245 #define SF_L6     0x18
 246 #define SF_L7     0x1c
 247 #define SF_I0     0x20
 248 #define SF_I1     0x24
 249 #define SF_I2     0x28
 250 #define SF_I3     0x2c
 251 #define SF_I4     0x30
 252 #define SF_I5     0x34
 253 #define SF_FP     0x38
 254 #define SF_PC     0x3c
 255 #define SF_RETP   0x40
 256 #define SF_XARG0  0x44
 257 #define SF_XARG1  0x48
 258 #define SF_XARG2  0x4c
 259 #define SF_XARG3  0x50
 260 #define SF_XARG4  0x54
 261 #define SF_XARG5  0x58
 262 #define SF_XXARG  0x5c
 263
 264 /* Stuff for the ptrace system call */
 265 #define PTRACE_GETREGS            12
 266 #define PTRACE_SETREGS            13
 267 #define PTRACE_GETFPREGS          14
 268 #define PTRACE_SETFPREGS          15
 269 #define PTRACE_READDATA           16
 270 #define PTRACE_WRITEDATA          17
 271 #define PTRACE_READTEXT           18
 272 #define PTRACE_WRITETEXT          19
 273 #define PTRACE_GETFPAREGS         20
 274 #define PTRACE_SETFPAREGS         21
 275
 276 /* There are for debugging 64-bit processes, either from a 32 or 64 bit
 277  * parent.  Thus their complements are for debugging 32-bit processes only.
 278  */
 279
 280 #define PTRACE_GETREGS64          22
 281 #define PTRACE_SETREGS64          23
 282 /* PTRACE_SYSCALL is 24 */
 283 #define PTRACE_GETFPREGS64        25
 284 #define PTRACE_SETFPREGS64        26
 285
 286 #endif /* !(_SPARC64_PTRACE_H) */