usr/src/cmd/sgs/librtld_db/demo/amd64/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/reg.h>
  31 #include <sys/machelf.h>
  32
  33 #include "rdb.h"
  34
  35 static void
  36 disp_reg_line(struct ps_prochandle *ph, pstatus_t *prst, char *r1, int ind1,
  37     char *r2, int ind2)
  38 {
  39         char    str1[MAXPATHLEN], str2[MAXPATHLEN];
  40
  41         (void) strcpy(str1, print_address_ps(ph, prst->pr_lwp.pr_reg[ind1],
  42             FLG_PAP_NOHEXNAME));
  43
  44         (void) strcpy(str2, print_address_ps(ph, prst->pr_lwp.pr_reg[ind2],
  45             FLG_PAP_NOHEXNAME));
  46
  47         (void) printf("%8s: 0x%08x %-16s %8s: 0x%08x %-16s\n", r1,
  48             EC_WORD(prst->pr_lwp.pr_reg[ind1]), str1, r2,
  49             EC_WORD(prst->pr_lwp.pr_reg[ind2]), str2);
  50 }
  51
  52 retc_t
  53 display_all_regs(struct ps_prochandle *ph)
  54 {
  55         pstatus_t       pstatus;
  56
  57         if (pread(ph->pp_statusfd, &pstatus, sizeof (pstatus),
  58             0) == -1) {
  59                 perror("dar: reading status");
  60                 return (RET_FAILED);
  61         }
  62         (void) printf("registers:\n");
  63         disp_reg_line(ph, &pstatus, "gs", REG_GS, "fs", REG_FS);
  64         disp_reg_line(ph, &pstatus, "es", REG_ES, "ds", REG_DS);
  65         disp_reg_line(ph, &pstatus, "rdi", REG_RDI, "rsi", REG_RSI);
  66         disp_reg_line(ph, &pstatus, "rbp", REG_RBP, "rsp", REG_RSP);
  67         disp_reg_line(ph, &pstatus, "rbx", REG_RBX, "rdx", REG_RDX);
  68         disp_reg_line(ph, &pstatus, "rcx", REG_RCX, "rax", REG_RAX);
  69         disp_reg_line(ph, &pstatus, "trapno", REG_TRAPNO, "err", REG_ERR);
  70         disp_reg_line(ph, &pstatus, "rip", REG_RIP, "cs", REG_CS);
  71         disp_reg_line(ph, &pstatus, "rfl", REG_RFL, "uesp", REG_RSP);
  72         return (RET_OK);
  73 }