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trgt_arm.c (162303) trgt_arm.c (163440)
1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

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20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

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20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt_arm.c 162303 2006-09-14 07:51:52Z imp $");
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt_arm.c 163440 2006-10-16 20:07:23Z jhb $");
29
30#include <sys/types.h>
31#ifndef CROSS_DEBUGGER
32#include <machine/pcb.h>
33#include <machine/frame.h>
34#include <machine/armreg.h>
35#endif
36#include <err.h>

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49
50void
51kgdb_trgt_fetch_registers(int regno __unused)
52{
53#ifndef CROSS_DEBUGGER
54 struct kthr *kt;
55 struct pcb pcb;
56 int i, reg;
29
30#include <sys/types.h>
31#ifndef CROSS_DEBUGGER
32#include <machine/pcb.h>
33#include <machine/frame.h>
34#include <machine/armreg.h>
35#endif
36#include <err.h>

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49
50void
51kgdb_trgt_fetch_registers(int regno __unused)
52{
53#ifndef CROSS_DEBUGGER
54 struct kthr *kt;
55 struct pcb pcb;
56 int i, reg;
57
57
58 kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid));
59 if (kt == NULL)
60 return;
61 if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) {
62 warnx("kvm_read: %s", kvm_geterr(kvm));
63 memset(&pcb, 0, sizeof(pcb));
64 }
65 for (i = ARM_A1_REGNUM + 8; i <= ARM_SP_REGNUM; i++) {
58 kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid));
59 if (kt == NULL)
60 return;
61 if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) {
62 warnx("kvm_read: %s", kvm_geterr(kvm));
63 memset(&pcb, 0, sizeof(pcb));
64 }
65 for (i = ARM_A1_REGNUM + 8; i <= ARM_SP_REGNUM; i++) {
66 supply_register(i, (char *)&pcb.un_32.pcb32_r8 +
66 supply_register(i, (char *)&pcb.un_32.pcb32_r8 +
67 (i - (ARM_A1_REGNUM + 8 )) * 4);
68 }
69 if (pcb.un_32.pcb32_sp != 0) {
70 for (i = 0; i < 4; i++) {
71 if (kvm_read(kvm, pcb.un_32.pcb32_sp + (i) * 4,
72 &reg, 4) != 4) {
73 warnx("kvm_read: %s", kvm_geterr(kvm));
74 break;

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169 *realnump = -1;
170
171 ofs = (regnum >= 0 && regnum <= ARM_PS_REGNUM)
172 ? kgdb_trgt_frame_offset[regnum] : -1;
173 if (ofs == -1)
174 return;
175
176 cache = kgdb_trgt_frame_cache(next_frame, this_cache);
67 (i - (ARM_A1_REGNUM + 8 )) * 4);
68 }
69 if (pcb.un_32.pcb32_sp != 0) {
70 for (i = 0; i < 4; i++) {
71 if (kvm_read(kvm, pcb.un_32.pcb32_sp + (i) * 4,
72 &reg, 4) != 4) {
73 warnx("kvm_read: %s", kvm_geterr(kvm));
74 break;

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169 *realnump = -1;
170
171 ofs = (regnum >= 0 && regnum <= ARM_PS_REGNUM)
172 ? kgdb_trgt_frame_offset[regnum] : -1;
173 if (ofs == -1)
174 return;
175
176 cache = kgdb_trgt_frame_cache(next_frame, this_cache);
177
177
178 if (is_undef && (regnum == ARM_SP_REGNUM || regnum == ARM_PC_REGNUM)) {
179 *addrp = cache->sp + offsetof(struct trapframe, tf_spsr);
180 target_read_memory(*addrp, valuep, regsz);
181 is_undefined = 1;
182 ofs = kgdb_trgt_frame_offset[ARM_SP_REGNUM];
183
184 }
185 *addrp = cache->sp + ofs;

--- 47 unchanged lines hidden --- 		178 if (is_undef && (regnum == ARM_SP_REGNUM || regnum == ARM_PC_REGNUM)) {
179 *addrp = cache->sp + offsetof(struct trapframe, tf_spsr);
180 target_read_memory(*addrp, valuep, regsz);
181 is_undefined = 1;
182 ofs = kgdb_trgt_frame_offset[ARM_SP_REGNUM];
183
184 }
185 *addrp = cache->sp + ofs;

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