1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linu !! 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* !! 2 #ifndef _UAPI__SPARC_PTRACE_H
3 * Author: Hanlu Li <lihanlu@loongson.cn> !! 3 #define _UAPI__SPARC_PTRACE_H
4 * Huacai Chen <chenhuacai@loongson.cn !! 4
5 * !! 5 #if defined(__sparc__) && defined(__arch64__)
6 * Copyright (C) 2020-2022 Loongson Technology !! 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.
7 */ 15 */
8 #ifndef _UAPI_ASM_PTRACE_H !! 16 #define PT_REGS_MAGIC 0x57ac6c00
9 #define _UAPI_ASM_PTRACE_H !! 17
>> 18 #ifndef __ASSEMBLY__
10 19
11 #include <linux/types.h> 20 #include <linux/types.h>
12 21
13 #ifndef __KERNEL__ !! 22 struct pt_regs {
14 #include <stdint.h> !! 23 unsigned long u_regs[16]; /* globals and ins */
15 #endif !! 24 unsigned long tstate;
16 !! 25 unsigned long tpc;
17 /* !! 26 unsigned long tnpc;
18 * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs, !! 27 unsigned int y;
19 * 32 is syscall's original ARG0, 33 is PC, 34 !! 28
20 */ !! 29 /* We encode a magic number, PT_REGS_MAGIC, along
21 #define GPR_BASE 0 !! 30 * with the %tt (trap type) register value at trap
22 #define GPR_NUM 32 !! 31 * entry time. The magic number allows us to identify
23 #define GPR_END (GPR_BASE + GPR_NUM - !! 32 * accurately a trap stack frame in the stack
24 #define ARG0 (GPR_END + 1) !! 33 * unwinder, and the %tt value allows us to test
25 #define PC (GPR_END + 2) !! 34 * things like "in a system call" etc. for an arbitray
26 #define BADVADDR (GPR_END + 3) !! 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 };
27 42
28 #define NUM_FPU_REGS 32 !! 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 };
29 50
30 struct user_pt_regs { !! 51 /* A V9 register window */
31 /* Main processor registers. */ !! 52 struct reg_window {
32 unsigned long regs[32]; !! 53 unsigned long locals[8];
>> 54 unsigned long ins[8];
>> 55 };
33 56
34 /* Original syscall arg0. */ !! 57 /* A 32-bit register window. */
35 unsigned long orig_a0; !! 58 struct reg_window32 {
>> 59 unsigned int locals[8];
>> 60 unsigned int ins[8];
>> 61 };
36 62
37 /* Special CSR registers. */ !! 63 /* A V9 Sparc stack frame */
38 unsigned long csr_era; !! 64 struct sparc_stackf {
39 unsigned long csr_badv; !! 65 unsigned long locals[8];
40 unsigned long reserved[10]; !! 66 unsigned long ins[6];
41 } __attribute__((aligned(8))); !! 67 struct sparc_stackf *fp;
>> 68 unsigned long callers_pc;
>> 69 char *structptr;
>> 70 unsigned long xargs[6];
>> 71 unsigned long xxargs[1];
>> 72 };
42 73
43 struct user_fp_state { !! 74 /* A 32-bit Sparc stack frame */
44 uint64_t fpr[32]; !! 75 struct sparc_stackf32 {
45 uint64_t fcc; !! 76 unsigned int locals[8];
46 uint32_t fcsr; !! 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];
47 }; 83 };
48 84
49 struct user_lsx_state { !! 85 struct sparc_trapf {
50 /* 32 registers, 128 bits width per re !! 86 unsigned long locals[8];
51 uint64_t vregs[32*2]; !! 87 unsigned long ins[8];
>> 88 unsigned long _unused;
>> 89 struct pt_regs *regs;
52 }; 90 };
>> 91 #endif /* (!__ASSEMBLY__) */
>> 92 #else
>> 93 /* 32 bit sparc */
>> 94
>> 95 #include <asm/psr.h>
53 96
54 struct user_lasx_state { !! 97 /* This struct defines the way the registers are stored on the
55 /* 32 registers, 256 bits width per re !! 98 * stack during a system call and basically all traps.
56 uint64_t vregs[32*4]; !! 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 */
57 }; 110 };
58 111
59 struct user_lbt_state { !! 112 /* A 32-bit register window. */
60 uint64_t scr[4]; !! 113 struct reg_window32 {
61 uint32_t eflags; !! 114 unsigned long locals[8];
62 uint32_t ftop; !! 115 unsigned long ins[8];
63 }; 116 };
64 117
65 struct user_watch_state { !! 118 /* A Sparc stack frame */
66 uint64_t dbg_info; !! 119 struct sparc_stackf {
67 struct { !! 120 unsigned long locals[8];
68 uint64_t addr; !! 121 unsigned long ins[6];
69 uint64_t mask; !! 122 struct sparc_stackf *fp;
70 uint32_t ctrl; !! 123 unsigned long callers_pc;
71 uint32_t pad; !! 124 char *structptr;
72 } dbg_regs[8]; !! 125 unsigned long xargs[6];
>> 126 unsigned long xxargs[1];
73 }; 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 */
74 346
75 #define PTRACE_SYSEMU 0x1f !! 347 #define PTRACE_GETREGS64 22
76 #define PTRACE_SYSEMU_SINGLESTEP 0x20 !! 348 #define PTRACE_SETREGS64 23
>> 349 /* PTRACE_SYSCALL is 24 */
>> 350 #define PTRACE_GETFPREGS64 25
>> 351 #define PTRACE_SETFPREGS64 26
77 352
78 #endif /* _UAPI_ASM_PTRACE_H */ !! 353 #endif /* _UAPI__SPARC_PTRACE_H */
79 354
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