i386/svr4/svr4_machdep.c

100 	struct trapframe *tf = td->td_frame;
121 	if (tf->tf_eflags & PSL_VM) {
122 		r[SVR4_X86_GS] = tf->tf_vm86_gs;
123 		r[SVR4_X86_FS] = tf->tf_vm86_fs;
124 		r[SVR4_X86_ES] = tf->tf_vm86_es;
125 		r[SVR4_X86_DS] = tf->tf_vm86_ds;
135 		r[SVR4_X86_FS] = tf->tf_fs;
137 		r[SVR4_X86_ES] = tf->tf_es;
138 		r[SVR4_X86_DS] = tf->tf_ds;
139 		r[SVR4_X86_EFL] = tf->tf_eflags;
141 	r[SVR4_X86_EDI] = tf->tf_edi;
142 	r[SVR4_X86_ESI] = tf->tf_esi;
143 	r[SVR4_X86_EBP] = tf->tf_ebp;
144 	r[SVR4_X86_ESP] = tf->tf_esp;
145 	r[SVR4_X86_EBX] = tf->tf_ebx;
146 	r[SVR4_X86_EDX] = tf->tf_edx;
147 	r[SVR4_X86_ECX] = tf->tf_ecx;
148 	r[SVR4_X86_EAX] = tf->tf_eax;
149 	r[SVR4_X86_TRAPNO] = tf->tf_trapno;
150 	r[SVR4_X86_ERR] = tf->tf_err;
151 	r[SVR4_X86_EIP] = tf->tf_eip;
152 	r[SVR4_X86_CS] = tf->tf_cs;
154 	r[SVR4_X86_SS] = tf->tf_ss;
162 	s->ss_sp = (void *)rounddown2((u_long)tf->tf_esp, 16384);
198 	register struct trapframe *tf;
226 	tf = td->td_frame;
234 		tf->tf_vm86_gs = r[SVR4_X86_GS];
235 		tf->tf_vm86_fs = r[SVR4_X86_FS];
236 		tf->tf_vm86_es = r[SVR4_X86_ES];
237 		tf->tf_vm86_ds = r[SVR4_X86_DS];
248 		if (((r[SVR4_X86_EFL] ^ tf->tf_eflags) & PSL_USERSTATIC) != 0 ||
258 		tf->tf_fs = r[SVR4_X86_FS];
260 		tf->tf_es = r[SVR4_X86_ES];
261 		tf->tf_ds = r[SVR4_X86_DS];
262 		tf->tf_eflags = r[SVR4_X86_EFL];
264 	tf->tf_edi = r[SVR4_X86_EDI];
265 	tf->tf_esi = r[SVR4_X86_ESI];
266 	tf->tf_ebp = r[SVR4_X86_EBP];
267 	tf->tf_ebx = r[SVR4_X86_EBX];
268 	tf->tf_edx = r[SVR4_X86_EDX];
269 	tf->tf_ecx = r[SVR4_X86_ECX];
270 	tf->tf_eax = r[SVR4_X86_EAX];
271 	tf->tf_trapno = r[SVR4_X86_TRAPNO];
272 	tf->tf_err = r[SVR4_X86_ERR];
273 	tf->tf_eip = r[SVR4_X86_EIP];
274 	tf->tf_cs = r[SVR4_X86_CS];
275 	tf->tf_ss = r[SVR4_X86_SS];
276 	tf->tf_esp = r[SVR4_X86_ESP];
420 	register struct trapframe *tf;
436 	tf = td->td_frame;
437 	oonstack = sigonstack(tf->tf_esp);
448 		fp = (struct svr4_sigframe *)tf->tf_esp - 1;
467 	svr4_getsiginfo(&frame.sf_si, sig, code, (caddr_t) tf->tf_eip);
493 	tf->tf_es = GSEL(GUSERLDT_SEL, SEL_UPL);
494 	tf->tf_ds = GSEL(GUSERLDT_SEL, SEL_UPL);
495 	tf->tf_eip = (int)(((char *)PS_STRINGS) -
497 	tf->tf_cs = GSEL(GUSERLDT_SEL, SEL_UPL);
499 	tf->tf_eflags &= ~(PSL_T|PSL_VM|PSL_AC|PSL_D);
500 	tf->tf_esp = (int)fp;
501 	tf->tf_ss = GSEL(GUSERLDT_SEL, SEL_UPL);
503 	tf->tf_esp = (int)fp;
504 	tf->tf_eip = (int)(((char *)PS_STRINGS) - *(p->p_sysent->sv_szsigcode));
505 	tf->tf_eflags &= ~(PSL_T | PSL_D);
506 	tf->tf_cs = _ucodesel;
507 	tf->tf_ds = _udatasel;
508 	tf->tf_es = _udatasel;
509 	tf->tf_fs = _udatasel;
511 	tf->tf_ss = _udatasel;