1 /* $Id: ptrace.h,v 1.13 1997/09/17 17:27:51 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 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) 98 #define instruction_pointer(regs) ((regs)->tpc) 99 extern void show_regs(struct pt_regs *); 100 #define force_successful_syscall_return() \ 101 do { \ 102 current->thread.flags |= SPARC_FLAG_SYS_SUCCESS; \ 103 } while (0) 104 #endif 105 106 #else /* __ASSEMBLY__ */ 107 /* For assembly code. */ 108 #define TRACEREG_SZ 0xa0 109 #define STACKFRAME_SZ 0xc0 110 111 #define TRACEREG32_SZ 0x50 112 #define STACKFRAME32_SZ 0x60 113 114 #include <asm/asm_offsets.h> 115 #endif 116 117 #ifdef __KERNEL__ 118 #define STACK_BIAS 2047 119 #endif 120 121 /* These are for pt_regs. */ 122 #define PT_V9_G0 0x00 123 #define PT_V9_G1 0x08 124 #define PT_V9_G2 0x10 125 #define PT_V9_G3 0x18 126 #define PT_V9_G4 0x20 127 #define PT_V9_G5 0x28 128 #define PT_V9_G6 0x30 129 #define PT_V9_G7 0x38 130 #define PT_V9_I0 0x40 131 #define PT_V9_I1 0x48 132 #define PT_V9_I2 0x50 133 #define PT_V9_I3 0x58 134 #define PT_V9_I4 0x60 135 #define PT_V9_I5 0x68 136 #define PT_V9_I6 0x70 137 #define PT_V9_FP PT_V9_I6 138 #define PT_V9_I7 0x78 139 #define PT_V9_TSTATE 0x80 140 #define PT_V9_TPC 0x88 141 #define PT_V9_TNPC 0x90 142 #define PT_V9_Y 0x98 143 #define PT_V9_FPRS 0x9c 144 #define PT_TSTATE PT_V9_TSTATE 145 #define PT_TPC PT_V9_TPC 146 #define PT_TNPC PT_V9_TNPC 147 148 /* These for pt_regs32. */ 149 #define PT_PSR 0x0 150 #define PT_PC 0x4 151 #define PT_NPC 0x8 152 #define PT_Y 0xc 153 #define PT_G0 0x10 154 #define PT_WIM PT_G0 155 #define PT_G1 0x14 156 #define PT_G2 0x18 157 #define PT_G3 0x1c 158 #define PT_G4 0x20 159 #define PT_G5 0x24 160 #define PT_G6 0x28 161 #define PT_G7 0x2c 162 #define PT_I0 0x30 163 #define PT_I1 0x34 164 #define PT_I2 0x38 165 #define PT_I3 0x3c 166 #define PT_I4 0x40 167 #define PT_I5 0x44 168 #define PT_I6 0x48 169 #define PT_FP PT_I6 170 #define PT_I7 0x4c 171 172 /* Reg_window offsets */ 173 #define RW_V9_L0 0x00 174 #define RW_V9_L1 0x08 175 #define RW_V9_L2 0x10 176 #define RW_V9_L3 0x18 177 #define RW_V9_L4 0x20 178 #define RW_V9_L5 0x28 179 #define RW_V9_L6 0x30 180 #define RW_V9_L7 0x38 181 #define RW_V9_I0 0x40 182 #define RW_V9_I1 0x48 183 #define RW_V9_I2 0x50 184 #define RW_V9_I3 0x58 185 #define RW_V9_I4 0x60 186 #define RW_V9_I5 0x68 187 #define RW_V9_I6 0x70 188 #define RW_V9_I7 0x78 189 190 #define RW_L0 0x00 191 #define RW_L1 0x04 192 #define RW_L2 0x08 193 #define RW_L3 0x0c 194 #define RW_L4 0x10 195 #define RW_L5 0x14 196 #define RW_L6 0x18 197 #define RW_L7 0x1c 198 #define RW_I0 0x20 199 #define RW_I1 0x24 200 #define RW_I2 0x28 201 #define RW_I3 0x2c 202 #define RW_I4 0x30 203 #define RW_I5 0x34 204 #define RW_I6 0x38 205 #define RW_I7 0x3c 206 207 /* Stack_frame offsets */ 208 #define SF_V9_L0 0x00 209 #define SF_V9_L1 0x08 210 #define SF_V9_L2 0x10 211 #define SF_V9_L3 0x18 212 #define SF_V9_L4 0x20 213 #define SF_V9_L5 0x28 214 #define SF_V9_L6 0x30 215 #define SF_V9_L7 0x38 216 #define SF_V9_I0 0x40 217 #define SF_V9_I1 0x48 218 #define SF_V9_I2 0x50 219 #define SF_V9_I3 0x58 220 #define SF_V9_I4 0x60 221 #define SF_V9_I5 0x68 222 #define SF_V9_FP 0x70 223 #define SF_V9_PC 0x78 224 #define SF_V9_RETP 0x80 225 #define SF_V9_XARG0 0x88 226 #define SF_V9_XARG1 0x90 227 #define SF_V9_XARG2 0x98 228 #define SF_V9_XARG3 0xa0 229 #define SF_V9_XARG4 0xa8 230 #define SF_V9_XARG5 0xb0 231 #define SF_V9_XXARG 0xb8 232 233 #define SF_L0 0x00 234 #define SF_L1 0x04 235 #define SF_L2 0x08 236 #define SF_L3 0x0c 237 #define SF_L4 0x10 238 #define SF_L5 0x14 239 #define SF_L6 0x18 240 #define SF_L7 0x1c 241 #define SF_I0 0x20 242 #define SF_I1 0x24 243 #define SF_I2 0x28 244 #define SF_I3 0x2c 245 #define SF_I4 0x30 246 #define SF_I5 0x34 247 #define SF_FP 0x38 248 #define SF_PC 0x3c 249 #define SF_RETP 0x40 250 #define SF_XARG0 0x44 251 #define SF_XARG1 0x48 252 #define SF_XARG2 0x4c 253 #define SF_XARG3 0x50 254 #define SF_XARG4 0x54 255 #define SF_XARG5 0x58 256 #define SF_XXARG 0x5c 257 258 /* Stuff for the ptrace system call */ 259 #define PTRACE_SUNATTACH 10 260 #define PTRACE_SUNDETACH 11 261 #define PTRACE_GETREGS 12 262 #define PTRACE_SETREGS 13 263 #define PTRACE_GETFPREGS 14 264 #define PTRACE_SETFPREGS 15 265 #define PTRACE_READDATA 16 266 #define PTRACE_WRITEDATA 17 267 #define PTRACE_READTEXT 18 268 #define PTRACE_WRITETEXT 19 269 #define PTRACE_GETFPAREGS 20 270 #define PTRACE_SETFPAREGS 21 271 272 /* There are for debugging 64-bit processes, either from a 32 or 64 bit 273 * parent. Thus their compliments are for debugging 32-bit processes only. 274 */ 275 276 #define PTRACE_GETREGS64 22 277 #define PTRACE_SETREGS64 23 278 /* PTRACE_SYSCALL is 24 */ 279 #define PTRACE_GETFPREGS64 25 280 #define PTRACE_SETFPREGS64 26 281 282 #define PTRACE_GETUCODE 29 /* stupid bsd-ism */ 283 284 /* These are for 32-bit processes debugging 64-bit ones. 285 * Here addr and addr2 are passed in %g2 and %g3 respectively. 286 */ 287 #define PTRACE_PEEKTEXT64 (30 + PTRACE_PEEKTEXT) 288 #define PTRACE_POKETEXT64 (30 + PTRACE_POKETEXT) 289 #define PTRACE_PEEKDATA64 (30 + PTRACE_PEEKDATA) 290 #define PTRACE_POKEDATA64 (30 + PTRACE_POKEDATA) 291 #define PTRACE_READDATA64 (30 + PTRACE_READDATA) 292 #define PTRACE_WRITEDATA64 (30 + PTRACE_WRITEDATA) 293 #define PTRACE_READTEXT64 (30 + PTRACE_READTEXT) 294 #define PTRACE_WRITETEXT64 (30 + PTRACE_WRITETEXT) 295 296 #endif /* !(_SPARC64_PTRACE_H) */ 297