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)
98 #define __ARCH_SYS_PTRACE 1
100 #define force_successful_syscall_return() \
101 do { current_thread_info()->syscall_noerror = 1; \
103 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
104 #define instruction_pointer(regs) ((regs)->tpc)
106 extern unsigned long profile_pc(struct pt_regs *);
108 #define profile_pc(regs) instruction_pointer(regs)
110 extern void show_regs(struct pt_regs *);
113 #else /* __ASSEMBLY__ */
114 /* For assembly code. */
115 #define TRACEREG_SZ 0xa0
116 #define STACKFRAME_SZ 0xc0
118 #define TRACEREG32_SZ 0x50
119 #define STACKFRAME32_SZ 0x60
123 #define STACK_BIAS 2047
126 /* These are for pt_regs. */
127 #define PT_V9_G0 0x00
128 #define PT_V9_G1 0x08
129 #define PT_V9_G2 0x10
130 #define PT_V9_G3 0x18
131 #define PT_V9_G4 0x20
132 #define PT_V9_G5 0x28
133 #define PT_V9_G6 0x30
134 #define PT_V9_G7 0x38
135 #define PT_V9_I0 0x40
136 #define PT_V9_I1 0x48
137 #define PT_V9_I2 0x50
138 #define PT_V9_I3 0x58
139 #define PT_V9_I4 0x60
140 #define PT_V9_I5 0x68
141 #define PT_V9_I6 0x70
142 #define PT_V9_FP PT_V9_I6
143 #define PT_V9_I7 0x78
144 #define PT_V9_TSTATE 0x80
145 #define PT_V9_TPC 0x88
146 #define PT_V9_TNPC 0x90
148 #define PT_V9_FPRS 0x9c
149 #define PT_TSTATE PT_V9_TSTATE
150 #define PT_TPC PT_V9_TPC
151 #define PT_TNPC PT_V9_TNPC
153 /* These for pt_regs32. */
177 /* Reg_window offsets */
178 #define RW_V9_L0 0x00
179 #define RW_V9_L1 0x08
180 #define RW_V9_L2 0x10
181 #define RW_V9_L3 0x18
182 #define RW_V9_L4 0x20
183 #define RW_V9_L5 0x28
184 #define RW_V9_L6 0x30
185 #define RW_V9_L7 0x38
186 #define RW_V9_I0 0x40
187 #define RW_V9_I1 0x48
188 #define RW_V9_I2 0x50
189 #define RW_V9_I3 0x58
190 #define RW_V9_I4 0x60
191 #define RW_V9_I5 0x68
192 #define RW_V9_I6 0x70
193 #define RW_V9_I7 0x78
212 /* Stack_frame offsets */
213 #define SF_V9_L0 0x00
214 #define SF_V9_L1 0x08
215 #define SF_V9_L2 0x10
216 #define SF_V9_L3 0x18
217 #define SF_V9_L4 0x20
218 #define SF_V9_L5 0x28
219 #define SF_V9_L6 0x30
220 #define SF_V9_L7 0x38
221 #define SF_V9_I0 0x40
222 #define SF_V9_I1 0x48
223 #define SF_V9_I2 0x50
224 #define SF_V9_I3 0x58
225 #define SF_V9_I4 0x60
226 #define SF_V9_I5 0x68
227 #define SF_V9_FP 0x70
228 #define SF_V9_PC 0x78
229 #define SF_V9_RETP 0x80
230 #define SF_V9_XARG0 0x88
231 #define SF_V9_XARG1 0x90
232 #define SF_V9_XARG2 0x98
233 #define SF_V9_XARG3 0xa0
234 #define SF_V9_XARG4 0xa8
235 #define SF_V9_XARG5 0xb0
236 #define SF_V9_XXARG 0xb8
255 #define SF_XARG0 0x44
256 #define SF_XARG1 0x48
257 #define SF_XARG2 0x4c
258 #define SF_XARG3 0x50
259 #define SF_XARG4 0x54
260 #define SF_XARG5 0x58
261 #define SF_XXARG 0x5c
263 /* Stuff for the ptrace system call */
264 #define PTRACE_SUNATTACH 10
265 #define PTRACE_SUNDETACH 11
266 #define PTRACE_GETREGS 12
267 #define PTRACE_SETREGS 13
268 #define PTRACE_GETFPREGS 14
269 #define PTRACE_SETFPREGS 15
270 #define PTRACE_READDATA 16
271 #define PTRACE_WRITEDATA 17
272 #define PTRACE_READTEXT 18
273 #define PTRACE_WRITETEXT 19
274 #define PTRACE_GETFPAREGS 20
275 #define PTRACE_SETFPAREGS 21
277 /* There are for debugging 64-bit processes, either from a 32 or 64 bit
278 * parent. Thus their complements are for debugging 32-bit processes only.
281 #define PTRACE_GETREGS64 22
282 #define PTRACE_SETREGS64 23
283 /* PTRACE_SYSCALL is 24 */
284 #define PTRACE_GETFPREGS64 25
285 #define PTRACE_SETFPREGS64 26
287 #define PTRACE_GETUCODE 29 /* stupid bsd-ism */
289 /* These are for 32-bit processes debugging 64-bit ones.
290 * Here addr and addr2 are passed in %g2 and %g3 respectively.
292 #define PTRACE_PEEKTEXT64 (30 + PTRACE_PEEKTEXT)
293 #define PTRACE_POKETEXT64 (30 + PTRACE_POKETEXT)
294 #define PTRACE_PEEKDATA64 (30 + PTRACE_PEEKDATA)
295 #define PTRACE_POKEDATA64 (30 + PTRACE_POKEDATA)
296 #define PTRACE_READDATA64 (30 + PTRACE_READDATA)
297 #define PTRACE_WRITEDATA64 (30 + PTRACE_WRITEDATA)
298 #define PTRACE_READTEXT64 (30 + PTRACE_READTEXT)
299 #define PTRACE_WRITETEXT64 (30 + PTRACE_WRITETEXT)
301 #endif /* !(_SPARC64_PTRACE_H) */