usr/src/cmd/sgs/librtld_db/demo/i386/regs.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <string.h>
  29 #include <sys/param.h>
  30 #include <sys/regset.h>
  31
  32 #include "rdb.h"
  33
  34 static void
  35 disp_reg_line(struct ps_prochandle *ph, pstatus_t *prst, char *r1, int ind1,
  36     char *r2, int ind2)
  37 {
  38         char    str1[MAXPATHLEN], str2[MAXPATHLEN];
  39
  40         (void) strcpy(str1, print_address_ps(ph, prst->pr_lwp.pr_reg[ind1],
  41             FLG_PAP_NOHEXNAME));
  42         (void) strcpy(str2, print_address_ps(ph, prst->pr_lwp.pr_reg[ind2],
  43             FLG_PAP_NOHEXNAME));
  44
  45         (void) printf("%8s: 0x%08x %-16s %8s: 0x%08x %-16s\n", r1,
  46             prst->pr_lwp.pr_reg[ind1], str1, r2, prst->pr_lwp.pr_reg[ind2],
  47             str2);
  48 }
  49
  50 retc_t
  51 display_all_regs(struct ps_prochandle *ph)
  52 {
  53         pstatus_t       pstatus;
  54
  55         if (pread(ph->pp_statusfd, &pstatus, sizeof (pstatus),
  56             0) == -1) {
  57                 perror("dar: reading status");
  58                 return (RET_FAILED);
  59         }
  60         (void) printf("registers:\n");
  61         disp_reg_line(ph, &pstatus, "gs", GS, "fs", FS);
  62         disp_reg_line(ph, &pstatus, "es", ES, "ds", DS);
  63         disp_reg_line(ph, &pstatus, "edi", EDI, "esi", ESI);
  64         disp_reg_line(ph, &pstatus, "ebp", EBP, "esp", ESP);
  65         disp_reg_line(ph, &pstatus, "ebx", EBX, "edx", EDX);
  66         disp_reg_line(ph, &pstatus, "ecx", ECX, "eax", EAX);
  67         disp_reg_line(ph, &pstatus, "trapno", TRAPNO, "err", ERR);
  68         disp_reg_line(ph, &pstatus, "eip", EIP, "cs", CS);
  69         disp_reg_line(ph, &pstatus, "efl", EFL, "uesp", UESP);
  70         return (RET_OK);
  71 }