sh/kernel/process.c

118 void show_regs(struct pt_regs * regs)
122 	print_symbol("PC is at %s\n", instruction_pointer(regs));
124 	       regs->pc, regs->regs[15], regs->sr);
133 	       regs->regs[0],regs->regs[1],
134 	       regs->regs[2],regs->regs[3]);
136 	       regs->regs[4],regs->regs[5],
137 	       regs->regs[6],regs->regs[7]);
139 	       regs->regs[8],regs->regs[9],
140 	       regs->regs[10],regs->regs[11]);
142 	       regs->regs[12],regs->regs[13],
143 	       regs->regs[14]);
145 	       regs->mach, regs->macl, regs->gbr, regs->pr);
147 	show_trace(NULL, (unsigned long *)regs->regs[15], regs);
172 	struct pt_regs regs;
174 	memset(&regs, 0, sizeof(regs));
175 	regs.regs[4] = (unsigned long)arg;
176 	regs.regs[5] = (unsigned long)fn;
178 	regs.pc = (unsigned long)kernel_thread_helper;
179 	regs.sr = (1 << 30);
183 		       &regs, 0, NULL, NULL);
213 int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
222 		unlazy_fpu(tsk, regs);
233 int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
238 	elf_core_copy_regs(regs, &ptregs);
262 		struct task_struct *p, struct pt_regs *regs)
269 	unlazy_fpu(tsk, regs);
275 	*childregs = *regs;
277 	if (user_mode(regs)) {
278 		childregs->regs[15] = usp;
281 		childregs->regs[15] = (unsigned long)childregs;
286 		childregs->gbr = childregs->regs[0];
288 	childregs->regs[0] = 0; /* Set return value for child */
355 		struct pt_regs *regs;
358 		regs = task_pt_regs(prev);
359 		if (user_mode(regs) && regs->regs[15] >= 0xc0000000) {
360 			int offset = (int)regs->regs[15];
363 			regs->regs[15] = regs->regs[1];
364 			if (regs->pc < regs->regs[0])
366 				regs->pc = regs->regs[0] + offset;
408 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
410 	return do_fork(SIGCHLD, regs->regs[15], regs, 0, NULL, NULL);
422 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
424 		newsp = regs->regs[15];
425 	return do_fork(clone_flags, newsp, regs, 0,
444 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
445 	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->regs[15], regs,
456 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
468 			  regs);
522 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
525 	regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
527 	if (notify_die(DIE_TRAP, "debug trap", regs, 0, regs->tra & 0xff,
541 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
544 	regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
546 	if (notify_die(DIE_TRAP, "bug trap", regs, 0, TRAPA_BUG_OPCODE & 0xff,
551 	if (__kernel_text_address(instruction_pointer(regs))) {
552 		u16 insn = *(u16 *)instruction_pointer(regs);
554 			handle_BUG(regs);