5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * isa-dependent portions of the kmdb target
31 */
32
33 #include <mdb/mdb_kreg_impl.h>
34 #include <mdb/mdb_debug.h>
35 #include <mdb/mdb_modapi.h>
36 #include <mdb/mdb_v9util.h>
37 #include <mdb/mdb_target_impl.h>
38 #include <mdb/mdb_err.h>
39 #include <mdb/mdb_umem.h>
40 #include <kmdb/kmdb_kdi.h>
41 #include <kmdb/kmdb_dpi.h>
42 #include <kmdb/kmdb_promif.h>
43 #include <kmdb/kmdb_asmutil.h>
44 #include <kmdb/kvm.h>
45 #include <mdb/mdb.h>
46
47 #include <sys/types.h>
48 #include <sys/stack.h>
360 *p = o7 + 2 * sizeof (mdb_instr_t);
361 else {
362 mdb_instr_t instr;
363
364 if (mdb_tgt_vread(t, &instr, sizeof (instr), pc) !=
365 sizeof (instr)) {
366 warn("failed to read instruction at %p for step out",
367 (void *)pc);
368 return (-1);
369 }
370
371 if (OP(instr) == OP_ARITH && OP3(instr) == OP3_SAVE)
372 *p = o7 + 2 * sizeof (mdb_instr_t);
373 else
374 *p = i7 + 2 * sizeof (mdb_instr_t);
375 }
376
377 return (0);
378 }
379
380 /*ARGSUSED*/
381 int
382 kmt_step_branch(mdb_tgt_t *t)
383 {
384 return (set_errno(EMDB_TGTHWNOTSUP));
385 }
386
387 static const char *
388 regno2name(int idx)
389 {
390 const mdb_tgt_regdesc_t *rd;
391
392 for (rd = mdb_sparcv9_kregs; rd->rd_name != NULL; rd++) {
393 if (idx == rd->rd_num)
394 return (rd->rd_name);
395 }
396
397 ASSERT(rd->rd_name != NULL);
398
399 return ("unknown");
400 }
401
402 /*
403 * Step over call and jmpl by returning the address of the position where a
404 * temporary breakpoint can be set to catch return from the control transfer.
405 * This function does not currently provide advanced decoding of DCTI couples
406 * or any other complex special case; we just fall back to single-step.
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5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 *
26 * Copyright 2018 Joyent, Inc.
27 */
28
29 /*
30 * isa-dependent portions of the kmdb target
31 */
32
33 #include <mdb/mdb_kreg_impl.h>
34 #include <mdb/mdb_debug.h>
35 #include <mdb/mdb_modapi.h>
36 #include <mdb/mdb_v9util.h>
37 #include <mdb/mdb_target_impl.h>
38 #include <mdb/mdb_err.h>
39 #include <mdb/mdb_umem.h>
40 #include <kmdb/kmdb_kdi.h>
41 #include <kmdb/kmdb_dpi.h>
42 #include <kmdb/kmdb_promif.h>
43 #include <kmdb/kmdb_asmutil.h>
44 #include <kmdb/kvm.h>
45 #include <mdb/mdb.h>
46
47 #include <sys/types.h>
48 #include <sys/stack.h>
360 *p = o7 + 2 * sizeof (mdb_instr_t);
361 else {
362 mdb_instr_t instr;
363
364 if (mdb_tgt_vread(t, &instr, sizeof (instr), pc) !=
365 sizeof (instr)) {
366 warn("failed to read instruction at %p for step out",
367 (void *)pc);
368 return (-1);
369 }
370
371 if (OP(instr) == OP_ARITH && OP3(instr) == OP3_SAVE)
372 *p = o7 + 2 * sizeof (mdb_instr_t);
373 else
374 *p = i7 + 2 * sizeof (mdb_instr_t);
375 }
376
377 return (0);
378 }
379
380 static const char *
381 regno2name(int idx)
382 {
383 const mdb_tgt_regdesc_t *rd;
384
385 for (rd = mdb_sparcv9_kregs; rd->rd_name != NULL; rd++) {
386 if (idx == rd->rd_num)
387 return (rd->rd_name);
388 }
389
390 ASSERT(rd->rd_name != NULL);
391
392 return ("unknown");
393 }
394
395 /*
396 * Step over call and jmpl by returning the address of the position where a
397 * temporary breakpoint can be set to catch return from the control transfer.
398 * This function does not currently provide advanced decoding of DCTI couples
399 * or any other complex special case; we just fall back to single-step.
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