1 /* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
2 #ifndef _SPARC64_PTRACE_H
3 #define _SPARC64_PTRACE_H
5 #include <asm/pstate.h>
7 /* This struct defines the way the registers are stored on the
8 * stack during a system call and basically all traps.
14 unsigned long u_regs[16]; /* globals and ins */
27 unsigned int u_regs[16]; /* globals and ins */
46 #define UREG_FP UREG_I6
47 #define UREG_RETPC UREG_I7
49 /* A V9 register window */
51 unsigned long locals[8];
55 /* A 32-bit register window. */
57 unsigned int locals[8];
61 /* A V9 Sparc stack frame */
63 unsigned long locals[8];
65 struct sparc_stackf *fp;
66 unsigned long callers_pc;
68 unsigned long xargs[6];
69 unsigned long xxargs[1];
72 /* A 32-bit Sparc stack frame */
73 struct sparc_stackf32 {
74 unsigned int locals[8];
77 unsigned int callers_pc;
78 unsigned int structptr;
79 unsigned int xargs[6];
80 unsigned int xxargs[1];
84 unsigned long locals[8];
86 unsigned long _unused;
90 #define TRACEREG_SZ sizeof(struct pt_regs)
91 #define STACKFRAME_SZ sizeof(struct sparc_stackf)
93 #define TRACEREG32_SZ sizeof(struct pt_regs32)
94 #define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
97 #define force_successful_syscall_return() \
98 set_thread_flag(TIF_SYSCALL_SUCCESS)
99 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
100 #define instruction_pointer(regs) ((regs)->tpc)
101 extern void show_regs(struct pt_regs *);
104 #else /* __ASSEMBLY__ */
105 /* For assembly code. */
106 #define TRACEREG_SZ 0xa0
107 #define STACKFRAME_SZ 0xc0
109 #define TRACEREG32_SZ 0x50
110 #define STACKFRAME32_SZ 0x60
114 #define STACK_BIAS 2047
117 /* These are for pt_regs. */
118 #define PT_V9_G0 0x00
119 #define PT_V9_G1 0x08
120 #define PT_V9_G2 0x10
121 #define PT_V9_G3 0x18
122 #define PT_V9_G4 0x20
123 #define PT_V9_G5 0x28
124 #define PT_V9_G6 0x30
125 #define PT_V9_G7 0x38
126 #define PT_V9_I0 0x40
127 #define PT_V9_I1 0x48
128 #define PT_V9_I2 0x50
129 #define PT_V9_I3 0x58
130 #define PT_V9_I4 0x60
131 #define PT_V9_I5 0x68
132 #define PT_V9_I6 0x70
133 #define PT_V9_FP PT_V9_I6
134 #define PT_V9_I7 0x78
135 #define PT_V9_TSTATE 0x80
136 #define PT_V9_TPC 0x88
137 #define PT_V9_TNPC 0x90
139 #define PT_V9_FPRS 0x9c
140 #define PT_TSTATE PT_V9_TSTATE
141 #define PT_TPC PT_V9_TPC
142 #define PT_TNPC PT_V9_TNPC
144 /* These for pt_regs32. */
168 /* Reg_window offsets */
169 #define RW_V9_L0 0x00
170 #define RW_V9_L1 0x08
171 #define RW_V9_L2 0x10
172 #define RW_V9_L3 0x18
173 #define RW_V9_L4 0x20
174 #define RW_V9_L5 0x28
175 #define RW_V9_L6 0x30
176 #define RW_V9_L7 0x38
177 #define RW_V9_I0 0x40
178 #define RW_V9_I1 0x48
179 #define RW_V9_I2 0x50
180 #define RW_V9_I3 0x58
181 #define RW_V9_I4 0x60
182 #define RW_V9_I5 0x68
183 #define RW_V9_I6 0x70
184 #define RW_V9_I7 0x78
203 /* Stack_frame offsets */
204 #define SF_V9_L0 0x00
205 #define SF_V9_L1 0x08
206 #define SF_V9_L2 0x10
207 #define SF_V9_L3 0x18
208 #define SF_V9_L4 0x20
209 #define SF_V9_L5 0x28
210 #define SF_V9_L6 0x30
211 #define SF_V9_L7 0x38
212 #define SF_V9_I0 0x40
213 #define SF_V9_I1 0x48
214 #define SF_V9_I2 0x50
215 #define SF_V9_I3 0x58
216 #define SF_V9_I4 0x60
217 #define SF_V9_I5 0x68
218 #define SF_V9_FP 0x70
219 #define SF_V9_PC 0x78
220 #define SF_V9_RETP 0x80
221 #define SF_V9_XARG0 0x88
222 #define SF_V9_XARG1 0x90
223 #define SF_V9_XARG2 0x98
224 #define SF_V9_XARG3 0xa0
225 #define SF_V9_XARG4 0xa8
226 #define SF_V9_XARG5 0xb0
227 #define SF_V9_XXARG 0xb8
246 #define SF_XARG0 0x44
247 #define SF_XARG1 0x48
248 #define SF_XARG2 0x4c
249 #define SF_XARG3 0x50
250 #define SF_XARG4 0x54
251 #define SF_XARG5 0x58
252 #define SF_XXARG 0x5c
254 /* Stuff for the ptrace system call */
255 #define PTRACE_SUNATTACH 10
256 #define PTRACE_SUNDETACH 11
257 #define PTRACE_GETREGS 12
258 #define PTRACE_SETREGS 13
259 #define PTRACE_GETFPREGS 14
260 #define PTRACE_SETFPREGS 15
261 #define PTRACE_READDATA 16
262 #define PTRACE_WRITEDATA 17
263 #define PTRACE_READTEXT 18
264 #define PTRACE_WRITETEXT 19
265 #define PTRACE_GETFPAREGS 20
266 #define PTRACE_SETFPAREGS 21
268 /* There are for debugging 64-bit processes, either from a 32 or 64 bit
269 * parent. Thus their complements are for debugging 32-bit processes only.
272 #define PTRACE_GETREGS64 22
273 #define PTRACE_SETREGS64 23
274 /* PTRACE_SYSCALL is 24 */
275 #define PTRACE_GETFPREGS64 25
276 #define PTRACE_SETFPREGS64 26
278 #define PTRACE_GETUCODE 29 /* stupid bsd-ism */
280 /* These are for 32-bit processes debugging 64-bit ones.
281 * Here addr and addr2 are passed in %g2 and %g3 respectively.
283 #define PTRACE_PEEKTEXT64 (30 + PTRACE_PEEKTEXT)
284 #define PTRACE_POKETEXT64 (30 + PTRACE_POKETEXT)
285 #define PTRACE_PEEKDATA64 (30 + PTRACE_PEEKDATA)
286 #define PTRACE_POKEDATA64 (30 + PTRACE_POKEDATA)
287 #define PTRACE_READDATA64 (30 + PTRACE_READDATA)
288 #define PTRACE_WRITEDATA64 (30 + PTRACE_WRITEDATA)
289 #define PTRACE_READTEXT64 (30 + PTRACE_READTEXT)
290 #define PTRACE_WRITETEXT64 (30 + PTRACE_WRITETEXT)
292 #endif /* !(_SPARC64_PTRACE_H) */