Revision f20f9df0
b/gdbstub.c | ||
---|---|---|
520 | 520 |
|
521 | 521 |
#if defined(TARGET_I386) |
522 | 522 |
|
523 |
#ifdef TARGET_X86_64 |
|
524 |
static const int gpr_map[16] = { |
|
525 |
R_EAX, R_EBX, R_ECX, R_EDX, R_ESI, R_EDI, R_EBP, R_ESP, |
|
526 |
8, 9, 10, 11, 12, 13, 14, 15 |
|
527 |
}; |
|
528 |
#else |
|
529 |
#define gpr_map gpr_map32 |
|
530 |
#endif |
|
531 |
static const int gpr_map32[8] = { 0, 1, 2, 3, 4, 5, 6, 7 }; |
|
532 |
|
|
533 |
#define IDX_IP_REG CPU_NB_REGS |
|
534 |
#define IDX_FLAGS_REG (IDX_IP_REG + 1) |
|
535 |
#define IDX_SEG_REGS (IDX_FLAGS_REG + 1) |
|
536 |
#define IDX_FP_REGS (IDX_SEG_REGS + 6) |
|
537 |
#define IDX_XMM_REGS (IDX_FP_REGS + 16) |
|
538 |
#define IDX_MXCSR_REG (IDX_XMM_REGS + CPU_NB_REGS) |
|
539 |
|
|
540 |
static int cpu_gdb_read_register(CPUX86State *env, uint8_t *mem_buf, int n) |
|
541 |
{ |
|
542 |
if (n < CPU_NB_REGS) { |
|
543 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
544 |
GET_REG64(env->regs[gpr_map[n]]); |
|
545 |
} else if (n < CPU_NB_REGS32) { |
|
546 |
GET_REG32(env->regs[gpr_map32[n]]); |
|
547 |
} |
|
548 |
} else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { |
|
549 |
#ifdef USE_X86LDOUBLE |
|
550 |
/* FIXME: byteswap float values - after fixing fpregs layout. */ |
|
551 |
memcpy(mem_buf, &env->fpregs[n - IDX_FP_REGS], 10); |
|
552 |
#else |
|
553 |
memset(mem_buf, 0, 10); |
|
554 |
#endif |
|
555 |
return 10; |
|
556 |
} else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { |
|
557 |
n -= IDX_XMM_REGS; |
|
558 |
if (n < CPU_NB_REGS32 || |
|
559 |
(TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { |
|
560 |
stq_p(mem_buf, env->xmm_regs[n].XMM_Q(0)); |
|
561 |
stq_p(mem_buf + 8, env->xmm_regs[n].XMM_Q(1)); |
|
562 |
return 16; |
|
563 |
} |
|
564 |
} else { |
|
565 |
switch (n) { |
|
566 |
case IDX_IP_REG: |
|
567 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
568 |
GET_REG64(env->eip); |
|
569 |
} else { |
|
570 |
GET_REG32(env->eip); |
|
571 |
} |
|
572 |
case IDX_FLAGS_REG: |
|
573 |
GET_REG32(env->eflags); |
|
574 |
|
|
575 |
case IDX_SEG_REGS: |
|
576 |
GET_REG32(env->segs[R_CS].selector); |
|
577 |
case IDX_SEG_REGS + 1: |
|
578 |
GET_REG32(env->segs[R_SS].selector); |
|
579 |
case IDX_SEG_REGS + 2: |
|
580 |
GET_REG32(env->segs[R_DS].selector); |
|
581 |
case IDX_SEG_REGS + 3: |
|
582 |
GET_REG32(env->segs[R_ES].selector); |
|
583 |
case IDX_SEG_REGS + 4: |
|
584 |
GET_REG32(env->segs[R_FS].selector); |
|
585 |
case IDX_SEG_REGS + 5: |
|
586 |
GET_REG32(env->segs[R_GS].selector); |
|
587 |
|
|
588 |
case IDX_FP_REGS + 8: |
|
589 |
GET_REG32(env->fpuc); |
|
590 |
case IDX_FP_REGS + 9: |
|
591 |
GET_REG32((env->fpus & ~0x3800) | |
|
592 |
(env->fpstt & 0x7) << 11); |
|
593 |
case IDX_FP_REGS + 10: |
|
594 |
GET_REG32(0); /* ftag */ |
|
595 |
case IDX_FP_REGS + 11: |
|
596 |
GET_REG32(0); /* fiseg */ |
|
597 |
case IDX_FP_REGS + 12: |
|
598 |
GET_REG32(0); /* fioff */ |
|
599 |
case IDX_FP_REGS + 13: |
|
600 |
GET_REG32(0); /* foseg */ |
|
601 |
case IDX_FP_REGS + 14: |
|
602 |
GET_REG32(0); /* fooff */ |
|
603 |
case IDX_FP_REGS + 15: |
|
604 |
GET_REG32(0); /* fop */ |
|
605 |
|
|
606 |
case IDX_MXCSR_REG: |
|
607 |
GET_REG32(env->mxcsr); |
|
608 |
} |
|
609 |
} |
|
610 |
return 0; |
|
611 |
} |
|
612 |
|
|
613 |
static int cpu_x86_gdb_load_seg(CPUX86State *env, int sreg, uint8_t *mem_buf) |
|
614 |
{ |
|
615 |
uint16_t selector = ldl_p(mem_buf); |
|
616 |
|
|
617 |
if (selector != env->segs[sreg].selector) { |
|
618 |
#if defined(CONFIG_USER_ONLY) |
|
619 |
cpu_x86_load_seg(env, sreg, selector); |
|
620 |
#else |
|
621 |
unsigned int limit, flags; |
|
622 |
target_ulong base; |
|
623 |
|
|
624 |
if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { |
|
625 |
base = selector << 4; |
|
626 |
limit = 0xffff; |
|
627 |
flags = 0; |
|
628 |
} else { |
|
629 |
if (!cpu_x86_get_descr_debug(env, selector, &base, &limit, |
|
630 |
&flags)) { |
|
631 |
return 4; |
|
632 |
} |
|
633 |
} |
|
634 |
cpu_x86_load_seg_cache(env, sreg, selector, base, limit, flags); |
|
635 |
#endif |
|
636 |
} |
|
637 |
return 4; |
|
638 |
} |
|
639 |
|
|
640 |
static int cpu_gdb_write_register(CPUX86State *env, uint8_t *mem_buf, int n) |
|
641 |
{ |
|
642 |
uint32_t tmp; |
|
643 |
|
|
644 |
if (n < CPU_NB_REGS) { |
|
645 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
646 |
env->regs[gpr_map[n]] = ldtul_p(mem_buf); |
|
647 |
return sizeof(target_ulong); |
|
648 |
} else if (n < CPU_NB_REGS32) { |
|
649 |
n = gpr_map32[n]; |
|
650 |
env->regs[n] &= ~0xffffffffUL; |
|
651 |
env->regs[n] |= (uint32_t)ldl_p(mem_buf); |
|
652 |
return 4; |
|
653 |
} |
|
654 |
} else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { |
|
655 |
#ifdef USE_X86LDOUBLE |
|
656 |
/* FIXME: byteswap float values - after fixing fpregs layout. */ |
|
657 |
memcpy(&env->fpregs[n - IDX_FP_REGS], mem_buf, 10); |
|
658 |
#endif |
|
659 |
return 10; |
|
660 |
} else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { |
|
661 |
n -= IDX_XMM_REGS; |
|
662 |
if (n < CPU_NB_REGS32 || |
|
663 |
(TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { |
|
664 |
env->xmm_regs[n].XMM_Q(0) = ldq_p(mem_buf); |
|
665 |
env->xmm_regs[n].XMM_Q(1) = ldq_p(mem_buf + 8); |
|
666 |
return 16; |
|
667 |
} |
|
668 |
} else { |
|
669 |
switch (n) { |
|
670 |
case IDX_IP_REG: |
|
671 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
672 |
env->eip = ldq_p(mem_buf); |
|
673 |
return 8; |
|
674 |
} else { |
|
675 |
env->eip &= ~0xffffffffUL; |
|
676 |
env->eip |= (uint32_t)ldl_p(mem_buf); |
|
677 |
return 4; |
|
678 |
} |
|
679 |
case IDX_FLAGS_REG: |
|
680 |
env->eflags = ldl_p(mem_buf); |
|
681 |
return 4; |
|
682 |
|
|
683 |
case IDX_SEG_REGS: |
|
684 |
return cpu_x86_gdb_load_seg(env, R_CS, mem_buf); |
|
685 |
case IDX_SEG_REGS + 1: |
|
686 |
return cpu_x86_gdb_load_seg(env, R_SS, mem_buf); |
|
687 |
case IDX_SEG_REGS + 2: |
|
688 |
return cpu_x86_gdb_load_seg(env, R_DS, mem_buf); |
|
689 |
case IDX_SEG_REGS + 3: |
|
690 |
return cpu_x86_gdb_load_seg(env, R_ES, mem_buf); |
|
691 |
case IDX_SEG_REGS + 4: |
|
692 |
return cpu_x86_gdb_load_seg(env, R_FS, mem_buf); |
|
693 |
case IDX_SEG_REGS + 5: |
|
694 |
return cpu_x86_gdb_load_seg(env, R_GS, mem_buf); |
|
695 |
|
|
696 |
case IDX_FP_REGS + 8: |
|
697 |
env->fpuc = ldl_p(mem_buf); |
|
698 |
return 4; |
|
699 |
case IDX_FP_REGS + 9: |
|
700 |
tmp = ldl_p(mem_buf); |
|
701 |
env->fpstt = (tmp >> 11) & 7; |
|
702 |
env->fpus = tmp & ~0x3800; |
|
703 |
return 4; |
|
704 |
case IDX_FP_REGS + 10: /* ftag */ |
|
705 |
return 4; |
|
706 |
case IDX_FP_REGS + 11: /* fiseg */ |
|
707 |
return 4; |
|
708 |
case IDX_FP_REGS + 12: /* fioff */ |
|
709 |
return 4; |
|
710 |
case IDX_FP_REGS + 13: /* foseg */ |
|
711 |
return 4; |
|
712 |
case IDX_FP_REGS + 14: /* fooff */ |
|
713 |
return 4; |
|
714 |
case IDX_FP_REGS + 15: /* fop */ |
|
715 |
return 4; |
|
716 |
|
|
717 |
case IDX_MXCSR_REG: |
|
718 |
env->mxcsr = ldl_p(mem_buf); |
|
719 |
return 4; |
|
720 |
} |
|
721 |
} |
|
722 |
/* Unrecognised register. */ |
|
723 |
return 0; |
|
724 |
} |
|
523 |
#include "target-i386/gdbstub.c" |
|
725 | 524 |
|
726 | 525 |
#elif defined (TARGET_PPC) |
727 | 526 |
|
b/target-i386/gdbstub.c | ||
---|---|---|
1 |
/* |
|
2 |
* x86 gdb server stub |
|
3 |
* |
|
4 |
* Copyright (c) 2003-2005 Fabrice Bellard |
|
5 |
* Copyright (c) 2013 SUSE LINUX Products GmbH |
|
6 |
* |
|
7 |
* This library is free software; you can redistribute it and/or |
|
8 |
* modify it under the terms of the GNU Lesser General Public |
|
9 |
* License as published by the Free Software Foundation; either |
|
10 |
* version 2 of the License, or (at your option) any later version. |
|
11 |
* |
|
12 |
* This library is distributed in the hope that it will be useful, |
|
13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
15 |
* Lesser General Public License for more details. |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU Lesser General Public |
|
18 |
* License along with this library; if not, see <http://www.gnu.org/licenses/>. |
|
19 |
*/ |
|
20 |
|
|
21 |
#ifdef TARGET_X86_64 |
|
22 |
static const int gpr_map[16] = { |
|
23 |
R_EAX, R_EBX, R_ECX, R_EDX, R_ESI, R_EDI, R_EBP, R_ESP, |
|
24 |
8, 9, 10, 11, 12, 13, 14, 15 |
|
25 |
}; |
|
26 |
#else |
|
27 |
#define gpr_map gpr_map32 |
|
28 |
#endif |
|
29 |
static const int gpr_map32[8] = { 0, 1, 2, 3, 4, 5, 6, 7 }; |
|
30 |
|
|
31 |
#define IDX_IP_REG CPU_NB_REGS |
|
32 |
#define IDX_FLAGS_REG (IDX_IP_REG + 1) |
|
33 |
#define IDX_SEG_REGS (IDX_FLAGS_REG + 1) |
|
34 |
#define IDX_FP_REGS (IDX_SEG_REGS + 6) |
|
35 |
#define IDX_XMM_REGS (IDX_FP_REGS + 16) |
|
36 |
#define IDX_MXCSR_REG (IDX_XMM_REGS + CPU_NB_REGS) |
|
37 |
|
|
38 |
static int cpu_gdb_read_register(CPUX86State *env, uint8_t *mem_buf, int n) |
|
39 |
{ |
|
40 |
if (n < CPU_NB_REGS) { |
|
41 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
42 |
GET_REG64(env->regs[gpr_map[n]]); |
|
43 |
} else if (n < CPU_NB_REGS32) { |
|
44 |
GET_REG32(env->regs[gpr_map32[n]]); |
|
45 |
} |
|
46 |
} else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { |
|
47 |
#ifdef USE_X86LDOUBLE |
|
48 |
/* FIXME: byteswap float values - after fixing fpregs layout. */ |
|
49 |
memcpy(mem_buf, &env->fpregs[n - IDX_FP_REGS], 10); |
|
50 |
#else |
|
51 |
memset(mem_buf, 0, 10); |
|
52 |
#endif |
|
53 |
return 10; |
|
54 |
} else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { |
|
55 |
n -= IDX_XMM_REGS; |
|
56 |
if (n < CPU_NB_REGS32 || |
|
57 |
(TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { |
|
58 |
stq_p(mem_buf, env->xmm_regs[n].XMM_Q(0)); |
|
59 |
stq_p(mem_buf + 8, env->xmm_regs[n].XMM_Q(1)); |
|
60 |
return 16; |
|
61 |
} |
|
62 |
} else { |
|
63 |
switch (n) { |
|
64 |
case IDX_IP_REG: |
|
65 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
66 |
GET_REG64(env->eip); |
|
67 |
} else { |
|
68 |
GET_REG32(env->eip); |
|
69 |
} |
|
70 |
case IDX_FLAGS_REG: |
|
71 |
GET_REG32(env->eflags); |
|
72 |
|
|
73 |
case IDX_SEG_REGS: |
|
74 |
GET_REG32(env->segs[R_CS].selector); |
|
75 |
case IDX_SEG_REGS + 1: |
|
76 |
GET_REG32(env->segs[R_SS].selector); |
|
77 |
case IDX_SEG_REGS + 2: |
|
78 |
GET_REG32(env->segs[R_DS].selector); |
|
79 |
case IDX_SEG_REGS + 3: |
|
80 |
GET_REG32(env->segs[R_ES].selector); |
|
81 |
case IDX_SEG_REGS + 4: |
|
82 |
GET_REG32(env->segs[R_FS].selector); |
|
83 |
case IDX_SEG_REGS + 5: |
|
84 |
GET_REG32(env->segs[R_GS].selector); |
|
85 |
|
|
86 |
case IDX_FP_REGS + 8: |
|
87 |
GET_REG32(env->fpuc); |
|
88 |
case IDX_FP_REGS + 9: |
|
89 |
GET_REG32((env->fpus & ~0x3800) | |
|
90 |
(env->fpstt & 0x7) << 11); |
|
91 |
case IDX_FP_REGS + 10: |
|
92 |
GET_REG32(0); /* ftag */ |
|
93 |
case IDX_FP_REGS + 11: |
|
94 |
GET_REG32(0); /* fiseg */ |
|
95 |
case IDX_FP_REGS + 12: |
|
96 |
GET_REG32(0); /* fioff */ |
|
97 |
case IDX_FP_REGS + 13: |
|
98 |
GET_REG32(0); /* foseg */ |
|
99 |
case IDX_FP_REGS + 14: |
|
100 |
GET_REG32(0); /* fooff */ |
|
101 |
case IDX_FP_REGS + 15: |
|
102 |
GET_REG32(0); /* fop */ |
|
103 |
|
|
104 |
case IDX_MXCSR_REG: |
|
105 |
GET_REG32(env->mxcsr); |
|
106 |
} |
|
107 |
} |
|
108 |
return 0; |
|
109 |
} |
|
110 |
|
|
111 |
static int cpu_x86_gdb_load_seg(CPUX86State *env, int sreg, uint8_t *mem_buf) |
|
112 |
{ |
|
113 |
uint16_t selector = ldl_p(mem_buf); |
|
114 |
|
|
115 |
if (selector != env->segs[sreg].selector) { |
|
116 |
#if defined(CONFIG_USER_ONLY) |
|
117 |
cpu_x86_load_seg(env, sreg, selector); |
|
118 |
#else |
|
119 |
unsigned int limit, flags; |
|
120 |
target_ulong base; |
|
121 |
|
|
122 |
if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { |
|
123 |
base = selector << 4; |
|
124 |
limit = 0xffff; |
|
125 |
flags = 0; |
|
126 |
} else { |
|
127 |
if (!cpu_x86_get_descr_debug(env, selector, &base, &limit, |
|
128 |
&flags)) { |
|
129 |
return 4; |
|
130 |
} |
|
131 |
} |
|
132 |
cpu_x86_load_seg_cache(env, sreg, selector, base, limit, flags); |
|
133 |
#endif |
|
134 |
} |
|
135 |
return 4; |
|
136 |
} |
|
137 |
|
|
138 |
static int cpu_gdb_write_register(CPUX86State *env, uint8_t *mem_buf, int n) |
|
139 |
{ |
|
140 |
uint32_t tmp; |
|
141 |
|
|
142 |
if (n < CPU_NB_REGS) { |
|
143 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
144 |
env->regs[gpr_map[n]] = ldtul_p(mem_buf); |
|
145 |
return sizeof(target_ulong); |
|
146 |
} else if (n < CPU_NB_REGS32) { |
|
147 |
n = gpr_map32[n]; |
|
148 |
env->regs[n] &= ~0xffffffffUL; |
|
149 |
env->regs[n] |= (uint32_t)ldl_p(mem_buf); |
|
150 |
return 4; |
|
151 |
} |
|
152 |
} else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) { |
|
153 |
#ifdef USE_X86LDOUBLE |
|
154 |
/* FIXME: byteswap float values - after fixing fpregs layout. */ |
|
155 |
memcpy(&env->fpregs[n - IDX_FP_REGS], mem_buf, 10); |
|
156 |
#endif |
|
157 |
return 10; |
|
158 |
} else if (n >= IDX_XMM_REGS && n < IDX_XMM_REGS + CPU_NB_REGS) { |
|
159 |
n -= IDX_XMM_REGS; |
|
160 |
if (n < CPU_NB_REGS32 || |
|
161 |
(TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK)) { |
|
162 |
env->xmm_regs[n].XMM_Q(0) = ldq_p(mem_buf); |
|
163 |
env->xmm_regs[n].XMM_Q(1) = ldq_p(mem_buf + 8); |
|
164 |
return 16; |
|
165 |
} |
|
166 |
} else { |
|
167 |
switch (n) { |
|
168 |
case IDX_IP_REG: |
|
169 |
if (TARGET_LONG_BITS == 64 && env->hflags & HF_CS64_MASK) { |
|
170 |
env->eip = ldq_p(mem_buf); |
|
171 |
return 8; |
|
172 |
} else { |
|
173 |
env->eip &= ~0xffffffffUL; |
|
174 |
env->eip |= (uint32_t)ldl_p(mem_buf); |
|
175 |
return 4; |
|
176 |
} |
|
177 |
case IDX_FLAGS_REG: |
|
178 |
env->eflags = ldl_p(mem_buf); |
|
179 |
return 4; |
|
180 |
|
|
181 |
case IDX_SEG_REGS: |
|
182 |
return cpu_x86_gdb_load_seg(env, R_CS, mem_buf); |
|
183 |
case IDX_SEG_REGS + 1: |
|
184 |
return cpu_x86_gdb_load_seg(env, R_SS, mem_buf); |
|
185 |
case IDX_SEG_REGS + 2: |
|
186 |
return cpu_x86_gdb_load_seg(env, R_DS, mem_buf); |
|
187 |
case IDX_SEG_REGS + 3: |
|
188 |
return cpu_x86_gdb_load_seg(env, R_ES, mem_buf); |
|
189 |
case IDX_SEG_REGS + 4: |
|
190 |
return cpu_x86_gdb_load_seg(env, R_FS, mem_buf); |
|
191 |
case IDX_SEG_REGS + 5: |
|
192 |
return cpu_x86_gdb_load_seg(env, R_GS, mem_buf); |
|
193 |
|
|
194 |
case IDX_FP_REGS + 8: |
|
195 |
env->fpuc = ldl_p(mem_buf); |
|
196 |
return 4; |
|
197 |
case IDX_FP_REGS + 9: |
|
198 |
tmp = ldl_p(mem_buf); |
|
199 |
env->fpstt = (tmp >> 11) & 7; |
|
200 |
env->fpus = tmp & ~0x3800; |
|
201 |
return 4; |
|
202 |
case IDX_FP_REGS + 10: /* ftag */ |
|
203 |
return 4; |
|
204 |
case IDX_FP_REGS + 11: /* fiseg */ |
|
205 |
return 4; |
|
206 |
case IDX_FP_REGS + 12: /* fioff */ |
|
207 |
return 4; |
|
208 |
case IDX_FP_REGS + 13: /* foseg */ |
|
209 |
return 4; |
|
210 |
case IDX_FP_REGS + 14: /* fooff */ |
|
211 |
return 4; |
|
212 |
case IDX_FP_REGS + 15: /* fop */ |
|
213 |
return 4; |
|
214 |
|
|
215 |
case IDX_MXCSR_REG: |
|
216 |
env->mxcsr = ldl_p(mem_buf); |
|
217 |
return 4; |
|
218 |
} |
|
219 |
} |
|
220 |
/* Unrecognised register. */ |
|
221 |
return 0; |
|
222 |
} |
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