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 22struct 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 43struct 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 */ 52struct reg_window { 53 unsigned long locals[8]; 54 unsigned long ins[8]; 55}; 56 57/* A 32-bit register window. */ 58struct reg_window32 { 59 unsigned int locals[8]; 60 unsigned int ins[8]; 61}; 62 63/* A V9 Sparc stack frame */ 64struct 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 */ 75struct 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 85struct 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 104struct 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. */ 113struct reg_window32 { 114 unsigned long locals[8]; 115 unsigned long ins[8]; 116}; 117 118/* A Sparc stack frame */ 119struct 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