1 /* Capstone Disassembly Engine */ 2 /* By Dang Hoang Vu <danghvu (at) gmail.com> 2013 */ 3 4 #ifdef CAPSTONE_HAS_X86 5 6 #include "../../cs_priv.h" 7 #include "../../MCRegisterInfo.h" 8 #include "X86Disassembler.h" 9 #include "X86InstPrinter.h" 10 #include "X86Mapping.h" 11 12 static cs_err init(cs_struct *ud) 13 { 14 MCRegisterInfo *mri; 15 16 // verify if requested mode is valid 17 if (ud->mode & ~(CS_MODE_LITTLE_ENDIAN | CS_MODE_32 | CS_MODE_64 | CS_MODE_16)) 18 return CS_ERR_MODE; 19 20 mri = cs_mem_malloc(sizeof(*mri)); 21 22 X86_init(mri); 23 24 // by default, we use Intel syntax 25 ud->printer = X86_Intel_printInst; 26 ud->syntax = CS_OPT_SYNTAX_INTEL; 27 ud->printer_info = mri; 28 ud->disasm = X86_getInstruction; 29 ud->reg_name = X86_reg_name; 30 ud->insn_id = X86_get_insn_id; 31 ud->insn_name = X86_insn_name; 32 ud->group_name = X86_group_name; 33 ud->post_printer = NULL;; 34 35 if (ud->mode == CS_MODE_64) 36 ud->regsize_map = regsize_map_64; 37 else 38 ud->regsize_map = regsize_map_32; 39 40 return CS_ERR_OK; 41 } 42 43 static cs_err option(cs_struct *handle, cs_opt_type type, size_t value) 44 { 45 switch(type) { 46 default: 47 break; 48 case CS_OPT_MODE: 49 if (value == CS_MODE_64) 50 handle->regsize_map = regsize_map_64; 51 else 52 handle->regsize_map = regsize_map_32; 53 54 handle->mode = (cs_mode)value; 55 break; 56 case CS_OPT_SYNTAX: 57 switch(value) { 58 default: 59 // wrong syntax value 60 handle->errnum = CS_ERR_OPTION; 61 return CS_ERR_OPTION; 62 63 case CS_OPT_SYNTAX_DEFAULT: 64 case CS_OPT_SYNTAX_INTEL: 65 handle->printer = X86_Intel_printInst; 66 handle->syntax = CS_OPT_SYNTAX_INTEL; 67 break; 68 69 case CS_OPT_SYNTAX_ATT: 70 #if !defined(CAPSTONE_DIET) && !defined(CAPSTONE_X86_ATT_DISABLE) 71 handle->printer = X86_ATT_printInst; 72 handle->syntax = CS_OPT_SYNTAX_ATT; 73 break; 74 #elif !defined(CAPSTONE_DIET) && defined(CAPSTONE_X86_ATT_DISABLE) 75 // ATT syntax is unsupported 76 handle->errnum = CS_ERR_X86_ATT; 77 return CS_ERR_X86_ATT; 78 #else // CAPSTONE_DIET 79 // this is irrelevant in CAPSTONE_DIET mode 80 handle->errnum = CS_ERR_DIET; 81 return CS_ERR_DIET; 82 #endif 83 } 84 break; 85 } 86 87 return CS_ERR_OK; 88 } 89 90 static void destroy(cs_struct *handle) 91 { 92 } 93 94 void X86_enable(void) 95 { 96 arch_init[CS_ARCH_X86] = init; 97 arch_option[CS_ARCH_X86] = option; 98 arch_destroy[CS_ARCH_X86] = destroy; 99 100 // support this arch 101 all_arch |= (1 << CS_ARCH_X86); 102 } 103 104 #endif 105
