uapi/asm/ptrace.h

157 struct switch_stack {  struct
158 	unsigned long caller_unat;	/* user NaT collection register (preserved) */
159 	unsigned long ar_fpsr;		/* floating-point status register */
161 	struct ia64_fpreg f2;		/* preserved */
162 	struct ia64_fpreg f3;		/* preserved */
163 	struct ia64_fpreg f4;		/* preserved */
164 	struct ia64_fpreg f5;		/* preserved */
166 	struct ia64_fpreg f12;		/* scratch, but untouched by kernel */
167 	struct ia64_fpreg f13;		/* scratch, but untouched by kernel */
168 	struct ia64_fpreg f14;		/* scratch, but untouched by kernel */
169 	struct ia64_fpreg f15;		/* scratch, but untouched by kernel */
170 	struct ia64_fpreg f16;		/* preserved */
171 	struct ia64_fpreg f17;		/* preserved */
172 	struct ia64_fpreg f18;		/* preserved */
173 	struct ia64_fpreg f19;		/* preserved */
174 	struct ia64_fpreg f20;		/* preserved */
175 	struct ia64_fpreg f21;		/* preserved */
176 	struct ia64_fpreg f22;		/* preserved */
177 	struct ia64_fpreg f23;		/* preserved */
178 	struct ia64_fpreg f24;		/* preserved */
179 	struct ia64_fpreg f25;		/* preserved */
180 	struct ia64_fpreg f26;		/* preserved */
181 	struct ia64_fpreg f27;		/* preserved */
182 	struct ia64_fpreg f28;		/* preserved */
183 	struct ia64_fpreg f29;		/* preserved */
184 	struct ia64_fpreg f30;		/* preserved */
185 	struct ia64_fpreg f31;		/* preserved */
187 	unsigned long r4;		/* preserved */
188 	unsigned long r5;		/* preserved */
189 	unsigned long r6;		/* preserved */
190 	unsigned long r7;		/* preserved */
192 	unsigned long b0;		/* so we can force a direct return in copy_thread */
193 	unsigned long b1;
194 	unsigned long b2;
195 	unsigned long b3;
196 	unsigned long b4;
197 	unsigned long b5;
199 	unsigned long ar_pfs;		/* previous function state */
200 	unsigned long ar_lc;		/* loop counter (preserved) */
201 	unsigned long ar_unat;		/* NaT bits for r4-r7 */
202 	unsigned long ar_rnat;		/* RSE NaT collection register */
203 	unsigned long ar_bspstore;	/* RSE dirty base (preserved) */
204 	unsigned long pr;		/* 64 predicate registers (1 bit each) */