2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #ifdef __DECODER_TEST__
21 #include "vmm_decoder.h"
23 #include <xed/xed-interface.h>
29 #include <palacios/vmm_decoder.h>
30 #include <palacios/vmm_xed.h>
31 #include <xed/xed-interface.h>
32 #include <palacios/vm_guest.h>
33 #include <palacios/vmm.h>
40 #define PrintDebug(fmt, args...)
46 static uint_t tables_inited = 0;
49 #define GPR_REGISTER 0
50 #define SEGMENT_REGISTER 1
51 #define CTRL_REGISTER 2
52 #define DEBUG_REGISTER 3
56 /* Disgusting mask hack...
57 I can't think right now, so we'll do it this way...
59 static const ullong_t mask_1 = 0x00000000000000ffLL;
60 static const ullong_t mask_2 = 0x000000000000ffffLL;
61 static const ullong_t mask_4 = 0x00000000ffffffffLL;
62 static const ullong_t mask_8 = 0xffffffffffffffffLL;
65 #define MASK(val, length) ({ \
66 ullong_t mask = 0x0LL; \
83 struct memory_operand {
91 uint_t displacement_size;
92 ullong_t displacement;
98 static v3_op_type_t get_opcode(xed_iform_enum_t iform);
100 static int xed_reg_to_v3_reg(struct guest_info * info, xed_reg_enum_t xed_reg, addr_t * v3_reg, uint_t * reg_len);
101 static int get_memory_operand(struct guest_info * info, xed_decoded_inst_t * xed_instr, uint_t index, struct x86_operand * operand);
103 static int set_decoder_mode(struct guest_info * info, xed_state_t * state) {
104 switch (info->cpu_mode) {
106 if (state->mmode != XED_MACHINE_MODE_LEGACY_16) {
107 xed_state_init(state,
108 XED_MACHINE_MODE_LEGACY_16,
109 XED_ADDRESS_WIDTH_16b,
110 XED_ADDRESS_WIDTH_16b);
115 if (state->mmode != XED_MACHINE_MODE_LEGACY_32) {
116 xed_state_init(state,
117 XED_MACHINE_MODE_LEGACY_32,
118 XED_ADDRESS_WIDTH_32b,
119 XED_ADDRESS_WIDTH_32b);
123 if (state->mmode != XED_MACHINE_MODE_LONG_COMPAT_32) {
124 xed_state_init(state,
125 XED_MACHINE_MODE_LONG_COMPAT_32,
126 XED_ADDRESS_WIDTH_32b,
127 XED_ADDRESS_WIDTH_32b);
131 if (state->mmode != XED_MACHINE_MODE_LONG_64) {
132 PrintDebug("Setting decoder to long mode\n");
133 // state->mmode = XED_MACHINE_MODE_LONG_64;
134 //xed_state_set_machine_mode(state, XED_MACHINE_MODE_LONG_64);
135 xed_state_init(state,
136 XED_MACHINE_MODE_LONG_64,
137 XED_ADDRESS_WIDTH_64b,
138 XED_ADDRESS_WIDTH_64b);
142 PrintError("Unsupported CPU mode: %d\n", info->cpu_mode);
148 static int is_flags_reg(xed_reg_enum_t xed_reg) {
161 int v3_init_decoder(struct guest_info * info) {
162 // Global library initialization, only do it once
163 if (tables_inited == 0) {
168 xed_state_t * decoder_state = (xed_state_t *)V3_Malloc(sizeof(xed_state_t));
169 xed_state_zero(decoder_state);
170 xed_state_init(decoder_state,
171 XED_MACHINE_MODE_LEGACY_32,
172 XED_ADDRESS_WIDTH_32b,
173 XED_ADDRESS_WIDTH_32b);
175 info->decoder_state = decoder_state;
182 int v3_basic_mem_decode(struct guest_info * info, addr_t instr_ptr, struct basic_instr_info * instr_info) {
183 xed_decoded_inst_t xed_instr;
184 xed_error_enum_t xed_error;
187 if (set_decoder_mode(info, info->decoder_state) == -1) {
188 PrintError("Could not set decoder mode\n");
193 xed_decoded_inst_zero_set_mode(&xed_instr, info->decoder_state);
195 xed_error = xed_decode(&xed_instr,
196 REINTERPRET_CAST(const xed_uint8_t *, instr_ptr),
197 XED_MAX_INSTRUCTION_BYTES);
199 if (xed_error != XED_ERROR_NONE) {
200 PrintError("Xed error: %s\n", xed_error_enum_t2str(xed_error));
204 instr_info->instr_length = xed_decoded_inst_get_length(&xed_instr);
207 if (xed_decoded_inst_number_of_memory_operands(&xed_instr) == 0) {
208 PrintError("Tried to decode memory operation with no memory operands\n");
212 instr_info->op_size = xed_decoded_inst_get_memory_operand_length(&xed_instr, 0);
215 xed_category_enum_t cat = xed_decoded_inst_get_category(&xed_instr);
216 if (cat == XED_CATEGORY_STRINGOP) {
217 instr_info->str_op = 1;
219 instr_info->str_op = 0;
222 xed_operand_values_t * operands = xed_decoded_inst_operands(&xed_instr);
223 if (xed_operand_values_has_real_rep(operands)) {
224 instr_info->has_rep = 1;
226 instr_info->has_rep = 0;
233 static int decode_string_op(struct guest_info * info,
234 xed_decoded_inst_t * xed_instr, const xed_inst_t * xi,
235 struct x86_instr * instr) {
237 PrintDebug("String operation\n");
239 if (instr->op_type == V3_OP_MOVS) {
240 instr->num_operands = 2;
242 if (get_memory_operand(info, xed_instr, 0, &(instr->dst_operand)) == -1) {
243 PrintError("Could not get Destination memory operand\n");
247 if (get_memory_operand(info, xed_instr, 1, &(instr->src_operand)) == -1) {
248 PrintError("Could not get Source memory operand\n");
252 if (instr->prefixes.rep == 1) {
254 uint_t reg_length = 0;
256 xed_reg_to_v3_reg(info, xed_decoded_inst_get_reg(xed_instr, XED_OPERAND_REG0), ®_addr, ®_length);
257 instr->str_op_length = MASK(*(addr_t *)reg_addr, reg_length);
259 instr->str_op_length = 1;
262 } else if (instr->op_type == V3_OP_STOS) {
263 instr->num_operands = 2;
265 if (get_memory_operand(info, xed_instr, 0, &(instr->dst_operand)) == -1) {
266 PrintError("Could not get Destination memory operand\n");
270 // STOS reads from rax
271 xed_reg_to_v3_reg(info, xed_decoded_inst_get_reg(xed_instr, XED_OPERAND_REG0),
272 &(instr->src_operand.operand),
273 &(instr->src_operand.size));
274 instr->src_operand.type = REG_OPERAND;
276 if (instr->prefixes.rep == 1) {
278 uint_t reg_length = 0;
280 xed_reg_to_v3_reg(info, xed_decoded_inst_get_reg(xed_instr, XED_OPERAND_REG1), ®_addr, ®_length);
281 instr->str_op_length = MASK(*(addr_t *)reg_addr, reg_length);
283 instr->str_op_length = 1;
287 PrintError("Unhandled String OP\n");
296 int v3_decode(struct guest_info * info, addr_t instr_ptr, struct x86_instr * instr) {
297 xed_decoded_inst_t xed_instr;
298 xed_error_enum_t xed_error;
301 v3_get_prefixes((uchar_t *)instr_ptr, &(instr->prefixes));
303 if (set_decoder_mode(info, info->decoder_state) == -1) {
304 PrintError("Could not set decoder mode\n");
308 xed_decoded_inst_zero_set_mode(&xed_instr, info->decoder_state);
310 xed_error = xed_decode(&xed_instr,
311 REINTERPRET_CAST(const xed_uint8_t *, instr_ptr),
312 XED_MAX_INSTRUCTION_BYTES);
315 if (xed_error != XED_ERROR_NONE) {
316 PrintError("Xed error: %s\n", xed_error_enum_t2str(xed_error));
320 const xed_inst_t * xi = xed_decoded_inst_inst(&xed_instr);
322 instr->instr_length = xed_decoded_inst_get_length(&xed_instr);
325 xed_iform_enum_t iform = xed_decoded_inst_get_iform_enum(&xed_instr);
328 xed_iclass_enum_t iclass = xed_decoded_inst_get_iclass(&xed_instr);
330 PrintDebug("iform=%s, iclass=%s\n", xed_iform_enum_t2str(iform), xed_iclass_enum_t2str(iclass));
334 if ((instr->op_type = get_opcode(iform)) == V3_INVALID_OP) {
335 PrintError("Could not get opcode. (iform=%s)\n", xed_iform_enum_t2str(iform));
340 // We special case the string operations...
341 if (xed_decoded_inst_get_category(&xed_instr) == XED_CATEGORY_STRINGOP) {
342 instr->is_str_op = 1;
343 return decode_string_op(info, &xed_instr, xi, instr);
345 instr->is_str_op = 0;
346 instr->str_op_length = 0;
350 instr->num_operands = xed_decoded_inst_noperands(&xed_instr);
352 if (instr->num_operands > 3) {
353 PrintDebug("Special Case Not Handled\n");
356 } else if (instr->num_operands == 3) {
357 const xed_operand_t * op = xed_inst_operand(xi, 2);
358 xed_operand_enum_t op_enum = xed_operand_name(op);
360 if ((!xed_operand_is_register(op_enum)) ||
361 (!is_flags_reg(xed_decoded_inst_get_reg(&xed_instr, op_enum)))) {
363 PrintError("Special Case not handled\n");
370 //PrintDebug("Number of operands: %d\n", instr->num_operands);
371 //PrintDebug("INSTR length: %d\n", instr->instr_length);
374 if (instr->num_operands >= 1) {
375 const xed_operand_t * op = xed_inst_operand(xi, 0);
376 xed_operand_enum_t op_enum = xed_operand_name(op);
378 struct x86_operand * v3_op = NULL;
380 if (xed_operand_written(op)) {
381 v3_op = &(instr->dst_operand);
383 v3_op = &(instr->src_operand);
387 if (xed_operand_is_register(op_enum)) {
388 xed_reg_enum_t xed_reg = xed_decoded_inst_get_reg(&xed_instr, op_enum);
389 int v3_reg_type = xed_reg_to_v3_reg(info,
394 if (v3_reg_type == -1) {
395 PrintError("First operand is an Unhandled Operand: %s\n", xed_reg_enum_t2str(xed_reg));
396 v3_op->type = INVALID_OPERAND;
398 } else if (v3_reg_type == SEGMENT_REGISTER) {
399 struct v3_segment * seg_reg = (struct v3_segment *)(v3_op->operand);
400 v3_op->operand = (addr_t)&(seg_reg->selector);
403 v3_op->type = REG_OPERAND;
408 case XED_OPERAND_MEM0:
410 if (get_memory_operand(info, &xed_instr, 0, v3_op) == -1) {
411 PrintError("Could not get first memory operand\n");
417 case XED_OPERAND_MEM1:
418 case XED_OPERAND_IMM1:
420 PrintError("Illegal Operand Order\n");
424 case XED_OPERAND_IMM0:
425 case XED_OPERAND_AGEN:
426 case XED_OPERAND_PTR:
427 case XED_OPERAND_RELBR:
429 PrintError("Unhandled Operand Type\n");
437 // set second operand
438 if (instr->num_operands >= 2) {
439 const xed_operand_t * op = xed_inst_operand(xi, 1);
440 // xed_operand_type_enum_t op_type = xed_operand_type(op);
441 xed_operand_enum_t op_enum = xed_operand_name(op);
443 struct x86_operand * v3_op;
445 if (xed_operand_written(op)) {
446 v3_op = &(instr->dst_operand);
448 v3_op = &(instr->src_operand);
452 if (xed_operand_is_register(op_enum)) {
453 xed_reg_enum_t xed_reg = xed_decoded_inst_get_reg(&xed_instr, op_enum);
454 int v3_reg_type = xed_reg_to_v3_reg(info,
458 if (v3_reg_type == -1) {
459 PrintError("Second operand is an Unhandled Operand: %s\n", xed_reg_enum_t2str(xed_reg));
460 v3_op->type = INVALID_OPERAND;
462 } else if (v3_reg_type == SEGMENT_REGISTER) {
463 struct v3_segment * seg_reg = (struct v3_segment *)(v3_op->operand);
464 v3_op->operand = (addr_t)&(seg_reg->selector);
467 v3_op->type = REG_OPERAND;
474 case XED_OPERAND_MEM0:
476 if (get_memory_operand(info, &xed_instr, 0, v3_op) == -1) {
477 PrintError("Could not get first memory operand\n");
483 case XED_OPERAND_IMM0:
485 instr->src_operand.size = xed_decoded_inst_get_immediate_width(&xed_instr);
487 if (instr->src_operand.size > 4) {
488 PrintError("Unhandled 64 bit immediates\n");
491 instr->src_operand.operand = xed_decoded_inst_get_unsigned_immediate(&xed_instr);
493 instr->src_operand.type = IMM_OPERAND;
498 case XED_OPERAND_MEM1:
499 case XED_OPERAND_IMM1:
501 PrintError("Illegal Operand Order\n");
504 case XED_OPERAND_AGEN:
505 case XED_OPERAND_PTR:
506 case XED_OPERAND_RELBR:
508 PrintError("Unhandled Operand Type\n");
516 if (instr->num_operands >= 3) {
517 const xed_operand_t * op = xed_inst_operand(xi, 2);
518 xed_operand_type_enum_t op_type = xed_operand_type(op);
519 xed_operand_enum_t op_enum = xed_operand_name(op);
521 if (xed_operand_is_register(op_enum)) {
522 xed_reg_enum_t xed_reg = xed_decoded_inst_get_reg(&xed_instr, op_enum);
523 int v3_reg_type = xed_reg_to_v3_reg(info,
525 &(instr->third_operand.operand),
526 &(instr->third_operand.size));
528 if (v3_reg_type == -1) {
529 PrintError("Third operand is an Unhandled Operand: %s\n", xed_reg_enum_t2str(xed_reg));
530 instr->third_operand.type = INVALID_OPERAND;
532 } else if (v3_reg_type == SEGMENT_REGISTER) {
533 struct v3_segment * seg_reg = (struct v3_segment *)(instr->third_operand.operand);
534 instr->third_operand.operand = (addr_t)&(seg_reg->selector);
538 instr->third_operand.type = REG_OPERAND;
542 PrintError("Unhandled third operand type %s\n", xed_operand_type_enum_t2str(op_type));
555 int v3_encode(struct guest_info * info, struct x86_instr * instr, char * instr_buf) {
564 static int get_memory_operand(struct guest_info * info, xed_decoded_inst_t * xed_instr, uint_t op_index, struct x86_operand * operand) {
565 struct memory_operand mem_op;
571 ullong_t displacement;
572 // struct v3_segment * seg_reg;
574 PrintDebug("Xen mode = %s\n", xed_machine_mode_enum_t2str(xed_state_get_machine_mode(info->decoder_state)));
575 PrintDebug("Address width: %s\n",
576 xed_address_width_enum_t2str(xed_state_get_address_width(info->decoder_state)));
577 PrintDebug("Stack Address width: %s\n",
578 xed_address_width_enum_t2str(xed_state_get_stack_address_width(info->decoder_state)));
580 memset((void*)&mem_op, '\0', sizeof(struct memory_operand));
582 xed_reg_enum_t xed_seg = xed_decoded_inst_get_seg_reg(xed_instr, op_index);
583 if (xed_seg != XED_REG_INVALID) {
584 struct v3_segment *tmp_segment;
585 if (xed_reg_to_v3_reg(info, xed_seg, (addr_t *)&tmp_segment, &(mem_op.segment_size)) == -1) {
586 PrintError("Unhandled Segment Register\n");
589 mem_op.segment = tmp_segment->base;
592 xed_reg_enum_t xed_base = xed_decoded_inst_get_base_reg(xed_instr, op_index);
593 if (xed_base != XED_REG_INVALID) {
595 if (xed_reg_to_v3_reg(info, xed_base, &base_reg, &(mem_op.base_size)) == -1) {
596 PrintError("Unhandled Base register\n");
599 mem_op.base = *(addr_t *)base_reg;
604 xed_reg_enum_t xed_idx = xed_decoded_inst_get_index_reg(xed_instr, op_index);
605 if ((op_index == 0) && (xed_idx != XED_REG_INVALID)) {
608 if (xed_reg_to_v3_reg(info, xed_idx, &index_reg, &(mem_op.index_size)) == -1) {
609 PrintError("Unhandled Index Register\n");
613 mem_op.index= *(addr_t *)index_reg;
615 xed_uint_t xed_scale = xed_decoded_inst_get_scale(xed_instr, op_index);
616 if (xed_scale != 0) {
617 mem_op.scale = xed_scale;
622 xed_uint_t disp_bits = xed_decoded_inst_get_memory_displacement_width(xed_instr, op_index);
624 xed_int64_t xed_disp = xed_decoded_inst_get_memory_displacement(xed_instr, op_index);
626 mem_op.displacement_size = disp_bits;
627 mem_op.displacement = xed_disp;
630 operand->type = MEM_OPERAND;
631 operand->size = xed_decoded_inst_get_memory_operand_length(xed_instr, op_index);
635 PrintDebug("Struct: Seg=%p (size=%d), base=%p, index=%p, scale=%p, displacement=%p (size=%d)\n",
636 (void *)mem_op.segment, mem_op.segment_size, (void*)mem_op.base, (void *)mem_op.index,
637 (void *)mem_op.scale, (void *)(addr_t)mem_op.displacement, mem_op.displacement_size);
640 PrintDebug("operand size: %d\n", operand->size);
642 seg = MASK(mem_op.segment, mem_op.segment_size);
643 base = MASK(mem_op.base, mem_op.base_size);
644 index = MASK(mem_op.index, mem_op.index_size);
645 scale = mem_op.scale;
647 // This is a horrendous hack...
648 // XED really screwed the pooch in calculating the displacement
649 if (v3_get_cpu_mode(info) == LONG) {
650 displacement = mem_op.displacement;
652 displacement = MASK(mem_op.displacement, mem_op.displacement_size);
655 PrintDebug("Seg=%p, base=%p, index=%p, scale=%p, displacement=%p\n",
656 (void *)seg, (void *)base, (void *)index, (void *)scale, (void *)(addr_t)displacement);
658 operand->operand = seg + base + (scale * index) + displacement;
663 static int xed_reg_to_v3_reg(struct guest_info * info, xed_reg_enum_t xed_reg, addr_t * v3_reg, uint_t * reg_len) {
665 PrintDebug("Xed Register: %s\n", xed_reg_enum_t2str(xed_reg));
668 case XED_REG_INVALID:
677 *v3_reg = (addr_t)&(info->vm_regs.rax);
681 *v3_reg = (addr_t)&(info->vm_regs.rax);
685 *v3_reg = (addr_t)&(info->vm_regs.rax);
689 *v3_reg = (addr_t)(&(info->vm_regs.rax)) + 1;
693 *v3_reg = (addr_t)&(info->vm_regs.rax);
698 *v3_reg = (addr_t)&(info->vm_regs.rcx);
702 *v3_reg = (addr_t)&(info->vm_regs.rcx);
706 *v3_reg = (addr_t)&(info->vm_regs.rcx);
710 *v3_reg = (addr_t)(&(info->vm_regs.rcx)) + 1;
714 *v3_reg = (addr_t)&(info->vm_regs.rcx);
719 *v3_reg = (addr_t)&(info->vm_regs.rdx);
723 *v3_reg = (addr_t)&(info->vm_regs.rdx);
727 *v3_reg = (addr_t)&(info->vm_regs.rdx);
731 *v3_reg = (addr_t)(&(info->vm_regs.rdx)) + 1;
735 *v3_reg = (addr_t)&(info->vm_regs.rdx);
740 *v3_reg = (addr_t)&(info->vm_regs.rbx);
744 *v3_reg = (addr_t)&(info->vm_regs.rbx);
748 *v3_reg = (addr_t)&(info->vm_regs.rbx);
752 *v3_reg = (addr_t)(&(info->vm_regs.rbx)) + 1;
756 *v3_reg = (addr_t)&(info->vm_regs.rbx);
762 *v3_reg = (addr_t)&(info->vm_regs.rsp);
766 *v3_reg = (addr_t)&(info->vm_regs.rsp);
770 *v3_reg = (addr_t)&(info->vm_regs.rsp);
774 *v3_reg = (addr_t)&(info->vm_regs.rsp);
779 *v3_reg = (addr_t)&(info->vm_regs.rbp);
783 *v3_reg = (addr_t)&(info->vm_regs.rbp);
787 *v3_reg = (addr_t)&(info->vm_regs.rbp);
791 *v3_reg = (addr_t)&(info->vm_regs.rbp);
798 *v3_reg = (addr_t)&(info->vm_regs.rsi);
802 *v3_reg = (addr_t)&(info->vm_regs.rsi);
806 *v3_reg = (addr_t)&(info->vm_regs.rsi);
810 *v3_reg = (addr_t)&(info->vm_regs.rsi);
816 *v3_reg = (addr_t)&(info->vm_regs.rdi);
820 *v3_reg = (addr_t)&(info->vm_regs.rdi);
824 *v3_reg = (addr_t)&(info->vm_regs.rdi);
828 *v3_reg = (addr_t)&(info->vm_regs.rdi);
837 *v3_reg = (addr_t)&(info->vm_regs.r8);
841 *v3_reg = (addr_t)&(info->vm_regs.r8);
845 *v3_reg = (addr_t)&(info->vm_regs.r8);
849 *v3_reg = (addr_t)&(info->vm_regs.r8);
854 *v3_reg = (addr_t)&(info->vm_regs.r9);
858 *v3_reg = (addr_t)&(info->vm_regs.r9);
862 *v3_reg = (addr_t)&(info->vm_regs.r9);
866 *v3_reg = (addr_t)&(info->vm_regs.r9);
871 *v3_reg = (addr_t)&(info->vm_regs.r10);
875 *v3_reg = (addr_t)&(info->vm_regs.r10);
879 *v3_reg = (addr_t)&(info->vm_regs.r10);
883 *v3_reg = (addr_t)&(info->vm_regs.r10);
888 *v3_reg = (addr_t)&(info->vm_regs.r11);
892 *v3_reg = (addr_t)&(info->vm_regs.r11);
896 *v3_reg = (addr_t)&(info->vm_regs.r11);
900 *v3_reg = (addr_t)&(info->vm_regs.r11);
905 *v3_reg = (addr_t)&(info->vm_regs.r12);
909 *v3_reg = (addr_t)&(info->vm_regs.r12);
913 *v3_reg = (addr_t)&(info->vm_regs.r12);
917 *v3_reg = (addr_t)&(info->vm_regs.r12);
922 *v3_reg = (addr_t)&(info->vm_regs.r13);
926 *v3_reg = (addr_t)&(info->vm_regs.r13);
930 *v3_reg = (addr_t)&(info->vm_regs.r13);
934 *v3_reg = (addr_t)&(info->vm_regs.r13);
939 *v3_reg = (addr_t)&(info->vm_regs.r14);
943 *v3_reg = (addr_t)&(info->vm_regs.r14);
947 *v3_reg = (addr_t)&(info->vm_regs.r14);
951 *v3_reg = (addr_t)&(info->vm_regs.r14);
956 *v3_reg = (addr_t)&(info->vm_regs.r15);
960 *v3_reg = (addr_t)&(info->vm_regs.r15);
964 *v3_reg = (addr_t)&(info->vm_regs.r15);
968 *v3_reg = (addr_t)&(info->vm_regs.r15);
977 *v3_reg = (addr_t)&(info->rip);
979 return CTRL_REGISTER;
981 *v3_reg = (addr_t)&(info->rip);
983 return CTRL_REGISTER;
985 *v3_reg = (addr_t)&(info->rip);
987 return CTRL_REGISTER;
990 *v3_reg = (addr_t)&(info->ctrl_regs.rflags);
992 return CTRL_REGISTER;
994 *v3_reg = (addr_t)&(info->ctrl_regs.rflags);
996 return CTRL_REGISTER;
998 *v3_reg = (addr_t)&(info->ctrl_regs.rflags);
1000 return CTRL_REGISTER;
1003 *v3_reg = (addr_t)&(info->ctrl_regs.cr0);
1005 return CTRL_REGISTER;
1007 *v3_reg = (addr_t)&(info->ctrl_regs.cr2);
1009 return CTRL_REGISTER;
1011 *v3_reg = (addr_t)&(info->ctrl_regs.cr3);
1013 return CTRL_REGISTER;
1015 *v3_reg = (addr_t)&(info->ctrl_regs.cr4);
1017 return CTRL_REGISTER;
1019 *v3_reg = (addr_t)&(info->ctrl_regs.cr8);
1021 return CTRL_REGISTER;
1043 *v3_reg = (addr_t)&(info->segments.cs);
1045 return SEGMENT_REGISTER;
1047 *v3_reg = (addr_t)&(info->segments.ds);
1049 return SEGMENT_REGISTER;
1051 *v3_reg = (addr_t)&(info->segments.es);
1053 return SEGMENT_REGISTER;
1055 *v3_reg = (addr_t)&(info->segments.ss);
1057 return SEGMENT_REGISTER;
1059 *v3_reg = (addr_t)&(info->segments.fs);
1061 return SEGMENT_REGISTER;
1063 *v3_reg = (addr_t)&(info->segments.gs);
1065 return SEGMENT_REGISTER;
1072 PrintError("Segment selector operand... Don't know how to handle this...\n");
1137 case XED_REG_STACKPUSH:
1138 case XED_REG_STACKPOP:
1141 case XED_REG_TSCAUX:
1144 case XED_REG_X87CONTROL:
1145 case XED_REG_X87STATUS:
1146 case XED_REG_X87TOP:
1147 case XED_REG_X87TAG:
1148 case XED_REG_X87PUSH:
1149 case XED_REG_X87POP:
1150 case XED_REG_X87POP2:
1185 static v3_op_type_t get_opcode(xed_iform_enum_t iform) {
1189 /* Control Instructions */
1191 case XED_IFORM_MOV_CR_GPR64_CR:
1192 case XED_IFORM_MOV_CR_GPR32_CR:
1193 return V3_OP_MOVCR2;
1195 case XED_IFORM_MOV_CR_CR_GPR64:
1196 case XED_IFORM_MOV_CR_CR_GPR32:
1197 return V3_OP_MOV2CR;
1199 case XED_IFORM_SMSW_GPRv:
1202 case XED_IFORM_LMSW_GPR16:
1205 case XED_IFORM_CLTS:
1208 case XED_IFORM_INVLPG_MEMb:
1209 return V3_OP_INVLPG;
1212 /* Data Instructions */
1215 case XED_IFORM_ADC_MEMv_GPRv:
1216 case XED_IFORM_ADC_MEMv_IMM:
1217 case XED_IFORM_ADC_MEMb_GPR8:
1218 case XED_IFORM_ADC_MEMb_IMM:
1220 case XED_IFORM_ADC_GPRv_MEMv:
1221 case XED_IFORM_ADC_GPR8_MEMb:
1225 case XED_IFORM_ADD_MEMv_GPRv:
1226 case XED_IFORM_ADD_MEMb_IMM:
1227 case XED_IFORM_ADD_MEMb_GPR8:
1228 case XED_IFORM_ADD_MEMv_IMM:
1230 case XED_IFORM_ADD_GPRv_MEMv:
1231 case XED_IFORM_ADD_GPR8_MEMb:
1235 case XED_IFORM_AND_MEMv_IMM:
1236 case XED_IFORM_AND_MEMb_GPR8:
1237 case XED_IFORM_AND_MEMv_GPRv:
1238 case XED_IFORM_AND_MEMb_IMM:
1240 case XED_IFORM_AND_GPR8_MEMb:
1241 case XED_IFORM_AND_GPRv_MEMv:
1245 case XED_IFORM_SUB_MEMv_IMM:
1246 case XED_IFORM_SUB_MEMb_GPR8:
1247 case XED_IFORM_SUB_MEMb_IMM:
1248 case XED_IFORM_SUB_MEMv_GPRv:
1250 case XED_IFORM_SUB_GPR8_MEMb:
1251 case XED_IFORM_SUB_GPRv_MEMv:
1255 case XED_IFORM_MOV_MEMv_GPRv:
1256 case XED_IFORM_MOV_MEMb_GPR8:
1257 case XED_IFORM_MOV_MEMb_AL:
1258 case XED_IFORM_MOV_MEMv_IMM:
1259 case XED_IFORM_MOV_MEMb_IMM:
1261 case XED_IFORM_MOV_GPRv_MEMv:
1262 case XED_IFORM_MOV_GPR8_MEMb:
1263 case XED_IFORM_MOV_AL_MEMb:
1268 case XED_IFORM_MOVZX_GPRv_MEMb:
1269 case XED_IFORM_MOVZX_GPRv_MEMw:
1273 case XED_IFORM_MOVSX_GPRv_MEMb:
1274 case XED_IFORM_MOVSX_GPRv_MEMw:
1279 case XED_IFORM_DEC_MEMv:
1280 case XED_IFORM_DEC_MEMb:
1283 case XED_IFORM_INC_MEMb:
1284 case XED_IFORM_INC_MEMv:
1288 case XED_IFORM_OR_MEMv_IMM:
1289 case XED_IFORM_OR_MEMb_IMM:
1290 case XED_IFORM_OR_MEMv_GPRv:
1291 case XED_IFORM_OR_MEMb_GPR8:
1293 case XED_IFORM_OR_GPRv_MEMv:
1294 case XED_IFORM_OR_GPR8_MEMb:
1298 case XED_IFORM_XOR_MEMv_GPRv:
1299 case XED_IFORM_XOR_MEMb_IMM:
1300 case XED_IFORM_XOR_MEMb_GPR8:
1301 case XED_IFORM_XOR_MEMv_IMM:
1303 case XED_IFORM_XOR_GPRv_MEMv:
1304 case XED_IFORM_XOR_GPR8_MEMb:
1307 case XED_IFORM_NEG_MEMb:
1308 case XED_IFORM_NEG_MEMv:
1311 case XED_IFORM_NOT_MEMv:
1312 case XED_IFORM_NOT_MEMb:
1315 case XED_IFORM_XCHG_MEMv_GPRv:
1316 case XED_IFORM_XCHG_MEMb_GPR8:
1319 case XED_IFORM_SETB_MEMb:
1322 case XED_IFORM_SETBE_MEMb:
1325 case XED_IFORM_SETL_MEMb:
1328 case XED_IFORM_SETLE_MEMb:
1331 case XED_IFORM_SETNB_MEMb:
1334 case XED_IFORM_SETNBE_MEMb:
1335 return V3_OP_SETNBE;
1337 case XED_IFORM_SETNL_MEMb:
1340 case XED_IFORM_SETNLE_MEMb:
1341 return V3_OP_SETNLE;
1343 case XED_IFORM_SETNO_MEMb:
1346 case XED_IFORM_SETNP_MEMb:
1349 case XED_IFORM_SETNS_MEMb:
1352 case XED_IFORM_SETNZ_MEMb:
1355 case XED_IFORM_SETO_MEMb:
1358 case XED_IFORM_SETP_MEMb:
1361 case XED_IFORM_SETS_MEMb:
1364 case XED_IFORM_SETZ_MEMb:
1367 case XED_IFORM_MOVSB:
1368 case XED_IFORM_MOVSW:
1369 case XED_IFORM_MOVSD:
1370 case XED_IFORM_MOVSQ:
1373 case XED_IFORM_STOSB:
1374 case XED_IFORM_STOSW:
1375 case XED_IFORM_STOSD:
1376 case XED_IFORM_STOSQ:
1381 return V3_INVALID_OP;