[src/trunk]: src/sys/arch/amd64/amd64 improve readability of TRAP_SIGDEBUG in...

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c9bd5f39154f
branches:  trunk
changeset: 351981:c9bd5f39154f
user:      chs <chs%NetBSD.org@localhost>
date:      Thu Mar 09 00:16:07 2017 +0000

description:
improve readability of TRAP_SIGDEBUG info and add fsbase/gsbase.

diffstat:

 sys/arch/amd64/amd64/trap.c |  58 ++++++++++++++++++++++++--------------------
 1 files changed, 31 insertions(+), 27 deletions(-)

diffs (125 lines):

diff -r f0621fb9d9c7 -r c9bd5f39154f sys/arch/amd64/amd64/trap.c
--- a/sys/arch/amd64/amd64/trap.c       Thu Mar 09 00:15:06 2017 +0000
+++ b/sys/arch/amd64/amd64/trap.c       Thu Mar 09 00:16:07 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.92 2017/02/23 03:34:22 kamil Exp $  */
+/*     $NetBSD: trap.c,v 1.93 2017/03/09 00:16:07 chs Exp $    */
 
 /*-
  * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.92 2017/02/23 03:34:22 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.93 2017/03/09 00:16:07 chs Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -154,7 +154,7 @@
 #define        IDTVEC(name)    __CONCAT(X, name)
 
 #ifdef TRAP_SIGDEBUG
-static void frame_dump(struct trapframe *);
+static void frame_dump(struct trapframe *, struct pcb *);
 #endif
 
 static void *
@@ -194,8 +194,8 @@
        }
        printf(" in %s mode\n", (type & T_USER) ? "user" : "supervisor");
 
-       printf("trap type %d code %lx rip %lx cs %lx rflags %lx cr2 %lx "
-           "ilevel %x rsp %lx\n",
+       printf("trap type %d code %#lx rip %#lx cs %#lx rflags %#lx cr2 %#lx "
+           "ilevel %#x rsp %#lx\n",
            type, frame->tf_err, (u_long)frame->tf_rip, frame->tf_cs,
            frame->tf_rflags, rcr2(), curcpu()->ci_ilevel, frame->tf_rsp);
 
@@ -408,9 +408,9 @@
        case T_STKFLT|T_USER:
        case T_ALIGNFLT|T_USER:
 #ifdef TRAP_SIGDEBUG
-               printf("pid %d.%d (%s): BUS/SEGV (%x) at rip %lx addr %lx\n",
+               printf("pid %d.%d (%s): BUS/SEGV (%#x) at rip %#lx addr %#lx\n",
                    p->p_pid, l->l_lid, p->p_comm, type, frame->tf_rip, rcr2());
-               frame_dump(frame);
+               frame_dump(frame, pcb);
 #endif
                KSI_INIT_TRAP(&ksi);
                ksi.ksi_trap = type & ~T_USER;
@@ -442,9 +442,9 @@
        case T_PRIVINFLT|T_USER:        /* privileged instruction fault */
        case T_FPOPFLT|T_USER:          /* coprocessor operand fault */
 #ifdef TRAP_SIGDEBUG
-               printf("pid %d.%d (%s): ILL at rip %lx addr %lx\n",
+               printf("pid %d.%d (%s): ILL at rip %#lx addr %#lx\n",
                    p->p_pid, l->l_lid, p->p_comm, frame->tf_rip, rcr2());
-               frame_dump(frame);
+               frame_dump(frame, pcb);
 #endif
                KSI_INIT_TRAP(&ksi);
                ksi.ksi_signo = SIGILL;
@@ -670,7 +670,7 @@
                    "error %d trap %d cr2 %p\n", p->p_pid, l->l_lid, p->p_comm,
                    ksi.ksi_signo, frame->tf_rip, va, error, ksi.ksi_trap,
                    ksi.ksi_addr);
-               frame_dump(frame);
+               frame_dump(frame, pcb);
 #endif
                (*p->p_emul->e_trapsignal)(l, &ksi);
                break;
@@ -763,32 +763,36 @@
 }
 
 #ifdef TRAP_SIGDEBUG
-static void
-frame_dump(struct trapframe *tf)
+void
+frame_dump(struct trapframe *tf, struct pcb *pcb)
 {
        int i;
        unsigned long *p;
 
-       printf("rip %p  rsp %p  rfl %p\n",
-           (void *)tf->tf_rip, (void *)tf->tf_rsp, (void *)tf->tf_rflags);
-       printf("rdi %p  rsi %p  rdx %p\n",
-           (void *)tf->tf_rdi, (void *)tf->tf_rsi, (void *)tf->tf_rdx);
-       printf("rcx %p  r8  %p  r9  %p\n",
-           (void *)tf->tf_rcx, (void *)tf->tf_r8, (void *)tf->tf_r9);
-       printf("r10 %p  r11 %p  r12 %p\n",
-           (void *)tf->tf_r10, (void *)tf->tf_r11, (void *)tf->tf_r12);
-       printf("r13 %p  r14 %p  r15 %p\n",
-           (void *)tf->tf_r13, (void *)tf->tf_r14, (void *)tf->tf_r15);
-       printf("rbp %p  rbx %p  rax %p\n",
-           (void *)tf->tf_rbp, (void *)tf->tf_rbx, (void *)tf->tf_rax);
-       printf("cs %lx  ds %lx  es %lx  fs %lx  gs %lx  ss %lx\n",
+       printf("trapframe %p\n", tf);
+       printf("rip 0x%016lx  rsp 0x%016lx  rfl 0x%016lx\n",
+           tf->tf_rip, tf->tf_rsp, tf->tf_rflags);
+       printf("rdi 0x%016lx  rsi 0x%016lx  rdx 0x%016lx\n",
+           tf->tf_rdi, tf->tf_rsi, tf->tf_rdx);
+       printf("rcx 0x%016lx  r8  0x%016lx  r9  0x%016lx\n",
+           tf->tf_rcx, tf->tf_r8, tf->tf_r9);
+       printf("r10 0x%016lx  r11 0x%016lx  r12 0x%016lx\n",
+           tf->tf_r10, tf->tf_r11, tf->tf_r12);
+       printf("r13 0x%016lx  r14 0x%016lx  r15 0x%016lx\n",
+           tf->tf_r13, tf->tf_r14, tf->tf_r15);
+       printf("rbp 0x%016lx  rbx 0x%016lx  rax 0x%016lx\n",
+           tf->tf_rbp, tf->tf_rbx, tf->tf_rax);
+       printf("cs 0x%04lx  ds 0x%04lx  es 0x%04lx  "
+              "fs 0x%04lx  gs 0x%04lx  ss 0x%04lx\n",
                tf->tf_cs & 0xffff, tf->tf_ds & 0xffff, tf->tf_es & 0xffff,
                tf->tf_fs & 0xffff, tf->tf_gs & 0xffff, tf->tf_ss & 0xffff);
-
+       printf("fsbase 0x%016lx gsbase 0x%016lx\n",
+              pcb->pcb_fs, pcb->pcb_gs);
        printf("\n");
        printf("Stack dump:\n");
        for (i = 0, p = (unsigned long *) tf; i < 20; i ++, p += 4)
-               printf("   0x%.16lx  0x%.16lx  0x%.16lx 0x%.16lx\n", *p, p[1], p[2], p[3]);
+               printf(" 0x%.16lx  0x%.16lx  0x%.16lx  0x%.16lx\n",
+                      p[0], p[1], p[2], p[3]);
        printf("\n");
 }
 #endif