Replace libdisasm with capstone

src/third_party/libdisasm/ia32_reg.h

-#ifndef IA32_REG_H
-#define IA32_REG_H
-
-#include <sys/types.h>  /* for size_t */
-#include "libdis.h"     /* for x86_reg_t */
-
-/* NOTE these are used in opcode tables for hard-coded registers */
-#define REG_DWORD_OFFSET         1      /* 0 + 1 */
-#define REG_ECX_INDEX            2      /* 0 + 1 + 1 */
-#define REG_ESP_INDEX            5      /* 0 + 4 + 1 */
-#define REG_EBP_INDEX            6      /* 0 + 5 + 1 */
-#define REG_ESI_INDEX            7      /* 0 + 6 + 1 */
-#define REG_EDI_INDEX            8      /* 0 + 7 + 1 */
-#define REG_WORD_OFFSET          9      /* 1 * 8 + 1 */
-#define REG_BYTE_OFFSET         17      /* 2 * 8 + 1 */
-#define REG_MMX_OFFSET          25      /* 3 * 8 + 1 */
-#define REG_SIMD_OFFSET         33      /* 4 * 8 + 1 */
-#define REG_DEBUG_OFFSET        41      /* 5 * 8 + 1 */
-#define REG_CTRL_OFFSET         49      /* 6 * 8 + 1 */
-#define REG_TEST_OFFSET         57      /* 7 * 8 + 1 */
-#define REG_SEG_OFFSET          65      /* 8 * 8 + 1 */
-#define REG_LDTR_INDEX          71      /* 8 * 8 + 1 + 1 */
-#define REG_GDTR_INDEX          72      /* 8 * 8 + 2 + 1 */
-#define REG_FPU_OFFSET          73      /* 9 * 8 + 1 */
-#define REG_FLAGS_INDEX         81      /* 10 * 8 + 1 */
-#define REG_FPCTRL_INDEX        82      /* 10 * 8 + 1 + 1 */
-#define REG_FPSTATUS_INDEX      83      /* 10 * 8 + 2 + 1 */
-#define REG_FPTAG_INDEX         84      /* 10 * 8 + 3 + 1 */
-#define REG_EIP_INDEX           85      /* 10 * 8 + 4 + 1 */
-#define REG_IP_INDEX            86      /* 10 * 8 + 5 + 1 */
-#define REG_IDTR_INDEX          87      /* 10 * 8 + 6 + 1 */
-#define REG_MXCSG_INDEX         88      /* 10 * 8 + 7 + 1 */
-#define REG_TR_INDEX            89      /* 10 * 8 + 8 + 1 */
-#define REG_CSMSR_INDEX         90      /* 10 * 8 + 9 + 1 */
-#define REG_ESPMSR_INDEX        91      /* 10 * 8 + 10 + 1 */
-#define REG_EIPMSR_INDEX        92      /* 10 * 8 + 11 + 1 */
-
-void ia32_handle_register( x86_reg_t *reg, size_t id );
-size_t ia32_true_register_id( size_t id );
-
-#endif