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 */ 354