| subr_trap.c (2660) | subr_trap.c (3258) |
|---|---|
| 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 | 1/*- 2 * Copyright (C) 1994, David Greenman 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the University of Utah, and William Jolitz. 8 * --- 21 unchanged lines hidden (view full) --- 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)trap.c 7.4 (Berkeley) 5/13/91 |
| 38 * $Id: trap.c,v 1.33 1994/09/08 11:48:52 bde Exp $ | 38 * $Id: trap.c,v 1.34 1994/09/11 11:26:18 davidg Exp $ |
| 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 407 unchanged lines hidden (view full) --- 454 return((rv == KERN_PROTECTION_FAILURE) ? SIGBUS : SIGSEGV); 455} 456 457void 458trap_fatal(frame) 459 struct trapframe *frame; 460{ 461 int code, type, eva; | 39 */ 40 41/* 42 * 386 Trap and System call handling 43 */ 44 45#include <sys/param.h> 46#include <sys/systm.h> --- 407 unchanged lines hidden (view full) --- 454 return((rv == KERN_PROTECTION_FAILURE) ? SIGBUS : SIGSEGV); 455} 456 457void 458trap_fatal(frame) 459 struct trapframe *frame; 460{ 461 int code, type, eva; |
| 462 struct soft_segment_descriptor softseg; |
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| 462 463 code = frame->tf_err; 464 type = frame->tf_trapno; 465 eva = rcr2(); | 463 464 code = frame->tf_err; 465 type = frame->tf_trapno; 466 eva = rcr2(); |
| 467 sdtossd(gdt + IDXSEL(frame->tf_cs & 0xffff), &softseg); |
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| 466 467 if (type <= MAX_TRAP_MSG) 468 printf("\n\nFatal trap %d: %s while in %s mode\n", 469 type, trap_msg[type], 470 ISPL(frame->tf_cs) == SEL_UPL ? "user" : "kernel"); 471 if (type == T_PAGEFLT) { 472 printf("fault virtual address = 0x%x\n", eva); 473 printf("fault code = %s %s, %s\n", 474 code & PGEX_U ? "user" : "supervisor", 475 code & PGEX_W ? "write" : "read", 476 code & PGEX_P ? "protection violation" : "page not present"); 477 } | 468 469 if (type <= MAX_TRAP_MSG) 470 printf("\n\nFatal trap %d: %s while in %s mode\n", 471 type, trap_msg[type], 472 ISPL(frame->tf_cs) == SEL_UPL ? "user" : "kernel"); 473 if (type == T_PAGEFLT) { 474 printf("fault virtual address = 0x%x\n", eva); 475 printf("fault code = %s %s, %s\n", 476 code & PGEX_U ? "user" : "supervisor", 477 code & PGEX_W ? "write" : "read", 478 code & PGEX_P ? "protection violation" : "page not present"); 479 } |
| 478 printf("instruction pointer = 0x%x\n", frame->tf_eip); | 480 printf("instruction pointer = 0x%x:0x%x\n", frame->tf_cs & 0xffff, frame->tf_eip); 481 printf("code segment = base 0x%x, limit 0x%x, type 0x%x\n", 482 softseg.ssd_base, softseg.ssd_limit, softseg.ssd_type); 483 printf(" = DPL %d, pres %d, def32 %d, gran %d\n", 484 softseg.ssd_dpl, softseg.ssd_p, softseg.ssd_def32, softseg.ssd_gran); |
| 479 printf("processor eflags = "); 480 if (frame->tf_eflags & PSL_T) 481 printf("trace/trap, "); 482 if (frame->tf_eflags & PSL_I) 483 printf("interrupt enabled, "); 484 if (frame->tf_eflags & PSL_NT) 485 printf("nested task, "); 486 if (frame->tf_eflags & PSL_RF) --- 209 unchanged lines hidden --- | 485 printf("processor eflags = "); 486 if (frame->tf_eflags & PSL_T) 487 printf("trace/trap, "); 488 if (frame->tf_eflags & PSL_I) 489 printf("interrupt enabled, "); 490 if (frame->tf_eflags & PSL_NT) 491 printf("nested task, "); 492 if (frame->tf_eflags & PSL_RF) --- 209 unchanged lines hidden --- |