xref: /illumos-gate/usr/src/cmd/sgs/demo_rdb/amd64/regs.c (revision d9328cd4)
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
disp_reg_line(struct ps_prochandle * ph,pstatus_t * prst,char * r1,int ind1,char * r2,int ind2)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
display_all_regs(struct ps_prochandle * ph)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 }
74