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

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI__SPARC_PTRACE_H
   3 #define _UAPI__SPARC_PTRACE_H
   4
   5 #if defined(__sparc__) && defined(__arch64__)
   6 /* 64 bit sparc */
   7 #include <asm/pstate.h>
   8
   9 /* This struct defines the way the registers are stored on the
  10  * stack during a system call and basically all traps.
  11  */
  12
  13 /* This magic value must have the low 9 bits clear,
  14  * as that is where we encode the %tt value, see below.
  15  */
  16 #define PT_REGS_MAGIC 0x57ac6c00
  17
  18 #ifndef __ASSEMBLY__
  19
  20 #include <linux/types.h>
  21
  22 struct pt_regs {
  23         unsigned long u_regs[16]; /* globals and ins */
  24         unsigned long tstate;
  25         unsigned long tpc;
  26         unsigned long tnpc;
  27         unsigned int y;
  28
  29         /* We encode a magic number, PT_REGS_MAGIC, along
  30          * with the %tt (trap type) register value at trap
  31          * entry time.  The magic number allows us to identify
  32          * accurately a trap stack frame in the stack
  33          * unwinder, and the %tt value allows us to test
  34          * things like "in a system call" etc. for an arbitray
  35          * process.
  36          *
  37          * The PT_REGS_MAGIC is chosen such that it can be
  38          * loaded completely using just a sethi instruction.
  39          */
  40         unsigned int magic;
  41 };
  42
  43 struct pt_regs32 {
  44         unsigned int psr;
  45         unsigned int pc;
  46         unsigned int npc;
  47         unsigned int y;
  48         unsigned int u_regs[16]; /* globals and ins */
  49 };
  50
  51 /* A V9 register window */
  52 struct reg_window {
  53         unsigned long locals[8];
  54         unsigned long ins[8];
  55 };
  56
  57 /* A 32-bit register window. */
  58 struct reg_window32 {
  59         unsigned int locals[8];
  60         unsigned int ins[8];
  61 };
  62
  63 /* A V9 Sparc stack frame */
  64 struct sparc_stackf {
  65         unsigned long locals[8];
  66         unsigned long ins[6];
  67         struct sparc_stackf *fp;
  68         unsigned long callers_pc;
  69         char *structptr;
  70         unsigned long xargs[6];
  71         unsigned long xxargs[1];
  72 };
  73
  74 /* A 32-bit Sparc stack frame */
  75 struct sparc_stackf32 {
  76         unsigned int locals[8];
  77         unsigned int ins[6];
  78         unsigned int fp;
  79         unsigned int callers_pc;
  80         unsigned int structptr;
  81         unsigned int xargs[6];
  82         unsigned int xxargs[1];
  83 };
  84
  85 struct sparc_trapf {
  86         unsigned long locals[8];
  87         unsigned long ins[8];
  88         unsigned long _unused;
  89         struct pt_regs *regs;
  90 };
  91 #endif /* (!__ASSEMBLY__) */
  92 #else
  93 /* 32 bit sparc */
  94
  95 #include <asm/psr.h>
  96
  97 /* This struct defines the way the registers are stored on the
  98  * stack during a system call and basically all traps.
  99  */
 100 #ifndef __ASSEMBLY__
 101
 102 #include <linux/types.h>
 103
 104 struct pt_regs {
 105         unsigned long psr;
 106         unsigned long pc;
 107         unsigned long npc;
 108         unsigned long y;
 109         unsigned long u_regs[16]; /* globals and ins */
 110 };
 111
 112 /* A 32-bit register window. */
 113 struct reg_window32 {
 114         unsigned long locals[8];
 115         unsigned long ins[8];
 116 };
 117
 118 /* A Sparc stack frame */
 119 struct sparc_stackf {
 120         unsigned long locals[8];
 121         unsigned long ins[6];
 122         struct sparc_stackf *fp;
 123         unsigned long callers_pc;
 124         char *structptr;
 125         unsigned long xargs[6];
 126         unsigned long xxargs[1];
 127 };
 128 #endif /* (!__ASSEMBLY__) */
 129
 130 #endif /* (defined(__sparc__) && defined(__arch64__))*/
 131
 132 #ifndef __ASSEMBLY__
 133
 134 #define TRACEREG_SZ     sizeof(struct pt_regs)
 135 #define STACKFRAME_SZ   sizeof(struct sparc_stackf)
 136
 137 #define TRACEREG32_SZ   sizeof(struct pt_regs32)
 138 #define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
 139
 140 #endif /* (!__ASSEMBLY__) */
 141
 142 #define UREG_G0        0
 143 #define UREG_G1        1
 144 #define UREG_G2        2
 145 #define UREG_G3        3
 146 #define UREG_G4        4
 147 #define UREG_G5        5
 148 #define UREG_G6        6
 149 #define UREG_G7        7
 150 #define UREG_I0        8
 151 #define UREG_I1        9
 152 #define UREG_I2        10
 153 #define UREG_I3        11
 154 #define UREG_I4        12
 155 #define UREG_I5        13
 156 #define UREG_I6        14
 157 #define UREG_I7        15
 158 #define UREG_FP        UREG_I6
 159 #define UREG_RETPC     UREG_I7
 160
 161 #if defined(__sparc__) && defined(__arch64__)
 162 /* 64 bit sparc */
 163
 164 #ifndef __ASSEMBLY__
 165
 166
 167 #else /* __ASSEMBLY__ */
 168 /* For assembly code. */
 169 #define TRACEREG_SZ             0xa0
 170 #define STACKFRAME_SZ           0xc0
 171
 172 #define TRACEREG32_SZ           0x50
 173 #define STACKFRAME32_SZ         0x60
 174 #endif /* __ASSEMBLY__ */
 175
 176 #else /* (defined(__sparc__) && defined(__arch64__)) */
 177
 178 /* 32 bit sparc */
 179
 180 #ifndef __ASSEMBLY__
 181
 182
 183 #else /* (!__ASSEMBLY__) */
 184 /* For assembly code. */
 185 #define TRACEREG_SZ       0x50
 186 #define STACKFRAME_SZ     0x60
 187 #endif /* (!__ASSEMBLY__) */
 188
 189 #endif /* (defined(__sparc__) && defined(__arch64__)) */
 190
 191
 192 /* These are for pt_regs. */
 193 #define PT_V9_G0     0x00
 194 #define PT_V9_G1     0x08
 195 #define PT_V9_G2     0x10
 196 #define PT_V9_G3     0x18
 197 #define PT_V9_G4     0x20
 198 #define PT_V9_G5     0x28
 199 #define PT_V9_G6     0x30
 200 #define PT_V9_G7     0x38
 201 #define PT_V9_I0     0x40
 202 #define PT_V9_I1     0x48
 203 #define PT_V9_I2     0x50
 204 #define PT_V9_I3     0x58
 205 #define PT_V9_I4     0x60
 206 #define PT_V9_I5     0x68
 207 #define PT_V9_I6     0x70
 208 #define PT_V9_FP     PT_V9_I6
 209 #define PT_V9_I7     0x78
 210 #define PT_V9_TSTATE 0x80
 211 #define PT_V9_TPC    0x88
 212 #define PT_V9_TNPC   0x90
 213 #define PT_V9_Y      0x98
 214 #define PT_V9_MAGIC  0x9c
 215 #define PT_TSTATE       PT_V9_TSTATE
 216 #define PT_TPC          PT_V9_TPC
 217 #define PT_TNPC         PT_V9_TNPC
 218
 219 /* These for pt_regs32. */
 220 #define PT_PSR    0x0
 221 #define PT_PC     0x4
 222 #define PT_NPC    0x8
 223 #define PT_Y      0xc
 224 #define PT_G0     0x10
 225 #define PT_WIM    PT_G0
 226 #define PT_G1     0x14
 227 #define PT_G2     0x18
 228 #define PT_G3     0x1c
 229 #define PT_G4     0x20
 230 #define PT_G5     0x24
 231 #define PT_G6     0x28
 232 #define PT_G7     0x2c
 233 #define PT_I0     0x30
 234 #define PT_I1     0x34
 235 #define PT_I2     0x38
 236 #define PT_I3     0x3c
 237 #define PT_I4     0x40
 238 #define PT_I5     0x44
 239 #define PT_I6     0x48
 240 #define PT_FP     PT_I6
 241 #define PT_I7     0x4c
 242
 243 /* Reg_window offsets */
 244 #define RW_V9_L0     0x00
 245 #define RW_V9_L1     0x08
 246 #define RW_V9_L2     0x10
 247 #define RW_V9_L3     0x18
 248 #define RW_V9_L4     0x20
 249 #define RW_V9_L5     0x28
 250 #define RW_V9_L6     0x30
 251 #define RW_V9_L7     0x38
 252 #define RW_V9_I0     0x40
 253 #define RW_V9_I1     0x48
 254 #define RW_V9_I2     0x50
 255 #define RW_V9_I3     0x58
 256 #define RW_V9_I4     0x60
 257 #define RW_V9_I5     0x68
 258 #define RW_V9_I6     0x70
 259 #define RW_V9_I7     0x78
 260
 261 #define RW_L0     0x00
 262 #define RW_L1     0x04
 263 #define RW_L2     0x08
 264 #define RW_L3     0x0c
 265 #define RW_L4     0x10
 266 #define RW_L5     0x14
 267 #define RW_L6     0x18
 268 #define RW_L7     0x1c
 269 #define RW_I0     0x20
 270 #define RW_I1     0x24
 271 #define RW_I2     0x28
 272 #define RW_I3     0x2c
 273 #define RW_I4     0x30
 274 #define RW_I5     0x34
 275 #define RW_I6     0x38
 276 #define RW_I7     0x3c
 277
 278 /* Stack_frame offsets */
 279 #define SF_V9_L0     0x00
 280 #define SF_V9_L1     0x08
 281 #define SF_V9_L2     0x10
 282 #define SF_V9_L3     0x18
 283 #define SF_V9_L4     0x20
 284 #define SF_V9_L5     0x28
 285 #define SF_V9_L6     0x30
 286 #define SF_V9_L7     0x38
 287 #define SF_V9_I0     0x40
 288 #define SF_V9_I1     0x48
 289 #define SF_V9_I2     0x50
 290 #define SF_V9_I3     0x58
 291 #define SF_V9_I4     0x60
 292 #define SF_V9_I5     0x68
 293 #define SF_V9_FP     0x70
 294 #define SF_V9_PC     0x78
 295 #define SF_V9_RETP   0x80
 296 #define SF_V9_XARG0  0x88
 297 #define SF_V9_XARG1  0x90
 298 #define SF_V9_XARG2  0x98
 299 #define SF_V9_XARG3  0xa0
 300 #define SF_V9_XARG4  0xa8
 301 #define SF_V9_XARG5  0xb0
 302 #define SF_V9_XXARG  0xb8
 303
 304 #define SF_L0     0x00
 305 #define SF_L1     0x04
 306 #define SF_L2     0x08
 307 #define SF_L3     0x0c
 308 #define SF_L4     0x10
 309 #define SF_L5     0x14
 310 #define SF_L6     0x18
 311 #define SF_L7     0x1c
 312 #define SF_I0     0x20
 313 #define SF_I1     0x24
 314 #define SF_I2     0x28
 315 #define SF_I3     0x2c
 316 #define SF_I4     0x30
 317 #define SF_I5     0x34
 318 #define SF_FP     0x38
 319 #define SF_PC     0x3c
 320 #define SF_RETP   0x40
 321 #define SF_XARG0  0x44
 322 #define SF_XARG1  0x48
 323 #define SF_XARG2  0x4c
 324 #define SF_XARG3  0x50
 325 #define SF_XARG4  0x54
 326 #define SF_XARG5  0x58
 327 #define SF_XXARG  0x5c
 328
 329
 330 /* Stuff for the ptrace system call */
 331 #define PTRACE_SPARC_DETACH       11
 332 #define PTRACE_GETREGS            12
 333 #define PTRACE_SETREGS            13
 334 #define PTRACE_GETFPREGS          14
 335 #define PTRACE_SETFPREGS          15
 336 #define PTRACE_READDATA           16
 337 #define PTRACE_WRITEDATA          17
 338 #define PTRACE_READTEXT           18
 339 #define PTRACE_WRITETEXT          19
 340 #define PTRACE_GETFPAREGS         20
 341 #define PTRACE_SETFPAREGS         21
 342
 343 /* There are for debugging 64-bit processes, either from a 32 or 64 bit
 344  * parent.  Thus their complements are for debugging 32-bit processes only.
 345  */
 346
 347 #define PTRACE_GETREGS64          22
 348 #define PTRACE_SETREGS64          23
 349 /* PTRACE_SYSCALL is 24 */
 350 #define PTRACE_GETFPREGS64        25
 351 #define PTRACE_SETFPREGS64        26
 352
 353 #endif /* _UAPI__SPARC_PTRACE_H */