Nguyen Anh Quynh | 6023ef7 | 2014-04-29 11:21:04 +0800 | [diff] [blame] | 1 | /* Capstone Disassembly Engine */ |
| 2 | /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */ |
Axel 0vercl0k Souchet | 605faf1 | 2014-05-09 20:40:00 +0100 | [diff] [blame] | 3 | #if defined (WIN32) || defined (WIN64) || defined (_WIN32) || defined (_WIN64) |
| 4 | #pragma warning(disable:4996) |
| 5 | #endif |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 6 | #include <stddef.h> |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <string.h> |
pancake | 9c10ace | 2015-02-24 04:55:55 +0100 | [diff] [blame^] | 10 | #include <capstone/capstone.h> |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 11 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 12 | #include "utils.h" |
Nguyen Anh Quynh | c740407 | 2014-01-05 11:35:47 +0800 | [diff] [blame] | 13 | #include "MCRegisterInfo.h" |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 14 | |
Axel 0vercl0k Souchet | 84fecf2 | 2014-05-10 09:49:29 +0100 | [diff] [blame] | 15 | #ifdef CAPSTONE_USE_SYS_DYN_MEM |
Nguyen Anh Quynh | 472a4a4 | 2014-03-06 09:13:04 +0800 | [diff] [blame] | 16 | #define INSN_CACHE_SIZE 32 |
Nguyen Anh Quynh | a836b75 | 2014-03-06 03:36:03 +0800 | [diff] [blame] | 17 | #else |
Nguyen Anh Quynh | 5ee2b45 | 2014-03-07 08:40:35 +0800 | [diff] [blame] | 18 | // reduce stack variable size for kernel/firmware |
Nguyen Anh Quynh | a836b75 | 2014-03-06 03:36:03 +0800 | [diff] [blame] | 19 | #define INSN_CACHE_SIZE 8 |
| 20 | #endif |
Nguyen Anh Quynh | c34959b | 2014-01-22 09:46:42 +0800 | [diff] [blame] | 21 | |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 22 | // default SKIPDATA mnemonic |
Nguyen Anh Quynh | c75a909 | 2014-04-10 10:26:49 +0800 | [diff] [blame] | 23 | #define SKIPDATA_MNEM ".byte" |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 24 | |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 25 | cs_err (*arch_init[MAX_ARCH])(cs_struct *) = { NULL }; |
Nguyen Anh Quynh | ee143c8 | 2014-01-03 21:51:59 +0800 | [diff] [blame] | 26 | cs_err (*arch_option[MAX_ARCH]) (cs_struct *, cs_opt_type, size_t value) = { NULL }; |
| 27 | void (*arch_destroy[MAX_ARCH]) (cs_struct *) = { NULL }; |
Nguyen Anh Quynh | f185180 | 2013-12-21 12:16:47 +0800 | [diff] [blame] | 28 | |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 29 | extern void ARM_enable(void); |
| 30 | extern void AArch64_enable(void); |
| 31 | extern void Mips_enable(void); |
| 32 | extern void X86_enable(void); |
| 33 | extern void PPC_enable(void); |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 34 | extern void Sparc_enable(void); |
Nguyen Anh Quynh | 48a14ca | 2014-03-23 08:35:45 +0800 | [diff] [blame] | 35 | extern void SystemZ_enable(void); |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 36 | extern void XCore_enable(void); |
danghvu | 701b850 | 2014-01-09 11:06:44 +0700 | [diff] [blame] | 37 | |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 38 | static void archs_enable(void) |
Nguyen Anh Quynh | 625b5bc | 2014-01-09 14:33:56 +0800 | [diff] [blame] | 39 | { |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 40 | static bool initialized = false; |
| 41 | |
| 42 | if (initialized) |
| 43 | return; |
| 44 | |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 45 | #ifdef CAPSTONE_HAS_ARM |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 46 | ARM_enable(); |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 47 | #endif |
| 48 | #ifdef CAPSTONE_HAS_ARM64 |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 49 | AArch64_enable(); |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 50 | #endif |
| 51 | #ifdef CAPSTONE_HAS_MIPS |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 52 | Mips_enable(); |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 53 | #endif |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 54 | #ifdef CAPSTONE_HAS_POWERPC |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 55 | PPC_enable(); |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 56 | #endif |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 57 | #ifdef CAPSTONE_HAS_SPARC |
| 58 | Sparc_enable(); |
| 59 | #endif |
Nguyen Anh Quynh | 48a14ca | 2014-03-23 08:35:45 +0800 | [diff] [blame] | 60 | #ifdef CAPSTONE_HAS_SYSZ |
| 61 | SystemZ_enable(); |
| 62 | #endif |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 63 | #ifdef CAPSTONE_HAS_X86 |
| 64 | X86_enable(); |
| 65 | #endif |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 66 | #ifdef CAPSTONE_HAS_XCORE |
| 67 | XCore_enable(); |
| 68 | #endif |
| 69 | |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 70 | |
| 71 | initialized = true; |
danghvu | b33bd2c | 2014-01-09 12:22:56 +0700 | [diff] [blame] | 72 | } |
| 73 | |
Nguyen Anh Quynh | 39a42ed | 2013-12-22 10:40:58 +0800 | [diff] [blame] | 74 | unsigned int all_arch = 0; |
Nguyen Anh Quynh | f185180 | 2013-12-21 12:16:47 +0800 | [diff] [blame] | 75 | |
Axel 0vercl0k Souchet | 84fecf2 | 2014-05-10 09:49:29 +0100 | [diff] [blame] | 76 | #ifdef CAPSTONE_USE_SYS_DYN_MEM |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 77 | cs_malloc_t cs_mem_malloc = malloc; |
| 78 | cs_calloc_t cs_mem_calloc = calloc; |
| 79 | cs_realloc_t cs_mem_realloc = realloc; |
| 80 | cs_free_t cs_mem_free = free; |
Nguyen Anh Quynh | edeeb04 | 2014-01-15 20:44:03 +0800 | [diff] [blame] | 81 | cs_vsnprintf_t cs_vsnprintf = vsnprintf; |
Nguyen Anh Quynh | 59492c2 | 2014-01-05 23:41:31 +0800 | [diff] [blame] | 82 | #else |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 83 | cs_malloc_t cs_mem_malloc = NULL; |
| 84 | cs_calloc_t cs_mem_calloc = NULL; |
| 85 | cs_realloc_t cs_mem_realloc = NULL; |
| 86 | cs_free_t cs_mem_free = NULL; |
Nguyen Anh Quynh | edeeb04 | 2014-01-15 20:44:03 +0800 | [diff] [blame] | 87 | cs_vsnprintf_t cs_vsnprintf = NULL; |
Nguyen Anh Quynh | 59492c2 | 2014-01-05 23:41:31 +0800 | [diff] [blame] | 88 | #endif |
Nguyen Anh Quynh | b880678 | 2013-12-22 15:20:07 +0800 | [diff] [blame] | 89 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 90 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | b90cb99 | 2013-12-28 13:59:09 +0800 | [diff] [blame] | 91 | unsigned int cs_version(int *major, int *minor) |
Nguyen Anh Quynh | 36df4bb | 2013-12-10 13:31:20 +0800 | [diff] [blame] | 92 | { |
Nguyen Anh Quynh | c46c35d | 2014-03-05 00:21:53 +0800 | [diff] [blame] | 93 | archs_enable(); |
| 94 | |
Nguyen Anh Quynh | 0877747 | 2013-12-22 14:16:28 +0800 | [diff] [blame] | 95 | if (major != NULL && minor != NULL) { |
| 96 | *major = CS_API_MAJOR; |
| 97 | *minor = CS_API_MINOR; |
| 98 | } |
Nguyen Anh Quynh | 39a42ed | 2013-12-22 10:40:58 +0800 | [diff] [blame] | 99 | |
| 100 | return (CS_API_MAJOR << 8) + CS_API_MINOR; |
| 101 | } |
| 102 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 103 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | b2870e4 | 2014-02-22 23:41:16 +0800 | [diff] [blame] | 104 | bool cs_support(int query) |
Nguyen Anh Quynh | 39a42ed | 2013-12-22 10:40:58 +0800 | [diff] [blame] | 105 | { |
Nguyen Anh Quynh | c46c35d | 2014-03-05 00:21:53 +0800 | [diff] [blame] | 106 | archs_enable(); |
| 107 | |
Nguyen Anh Quynh | b2870e4 | 2014-02-22 23:41:16 +0800 | [diff] [blame] | 108 | if (query == CS_ARCH_ALL) |
Nguyen Anh Quynh | 39a42ed | 2013-12-22 10:40:58 +0800 | [diff] [blame] | 109 | return all_arch == ((1 << CS_ARCH_ARM) | (1 << CS_ARCH_ARM64) | |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 110 | (1 << CS_ARCH_MIPS) | (1 << CS_ARCH_X86) | |
Nguyen Anh Quynh | 48a14ca | 2014-03-23 08:35:45 +0800 | [diff] [blame] | 111 | (1 << CS_ARCH_PPC) | (1 << CS_ARCH_SPARC) | |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 112 | (1 << CS_ARCH_SYSZ) | (1 << CS_ARCH_XCORE)); |
Nguyen Anh Quynh | 39a42ed | 2013-12-22 10:40:58 +0800 | [diff] [blame] | 113 | |
Nguyen Anh Quynh | 48d5832 | 2014-02-27 13:54:28 +0800 | [diff] [blame] | 114 | if ((unsigned int)query < CS_ARCH_MAX) |
Nguyen Anh Quynh | b2870e4 | 2014-02-22 23:41:16 +0800 | [diff] [blame] | 115 | return all_arch & (1 << query); |
| 116 | |
| 117 | if (query == CS_SUPPORT_DIET) { |
| 118 | #ifdef CAPSTONE_DIET |
| 119 | return true; |
| 120 | #else |
| 121 | return false; |
| 122 | #endif |
| 123 | } |
| 124 | |
Nguyen Anh Quynh | 59b5489 | 2014-03-27 10:54:44 +0800 | [diff] [blame] | 125 | if (query == CS_SUPPORT_X86_REDUCE) { |
| 126 | #if defined(CAPSTONE_HAS_X86) && defined(CAPSTONE_X86_REDUCE) |
Nguyen Anh Quynh | 9518148 | 2014-03-25 23:20:41 +0800 | [diff] [blame] | 127 | return true; |
| 128 | #else |
| 129 | return false; |
| 130 | #endif |
| 131 | } |
| 132 | |
Nguyen Anh Quynh | b2870e4 | 2014-02-22 23:41:16 +0800 | [diff] [blame] | 133 | // unsupported query |
| 134 | return false; |
Nguyen Anh Quynh | 36df4bb | 2013-12-10 13:31:20 +0800 | [diff] [blame] | 135 | } |
| 136 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 137 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 138 | cs_err cs_errno(csh handle) |
| 139 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 140 | struct cs_struct *ud; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 141 | if (!handle) |
| 142 | return CS_ERR_CSH; |
| 143 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 144 | ud = (struct cs_struct *)(uintptr_t)handle; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 145 | |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 146 | return ud->errnum; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 147 | } |
| 148 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 149 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 34f9638 | 2014-01-03 22:49:07 +0800 | [diff] [blame] | 150 | const char *cs_strerror(cs_err code) |
| 151 | { |
| 152 | switch(code) { |
| 153 | default: |
| 154 | return "Unknown error code"; |
| 155 | case CS_ERR_OK: |
| 156 | return "OK (CS_ERR_OK)"; |
| 157 | case CS_ERR_MEM: |
| 158 | return "Out of memory (CS_ERR_MEM)"; |
| 159 | case CS_ERR_ARCH: |
| 160 | return "Invalid architecture (CS_ERR_ARCH)"; |
| 161 | case CS_ERR_HANDLE: |
| 162 | return "Invalid handle (CS_ERR_HANDLE)"; |
| 163 | case CS_ERR_CSH: |
| 164 | return "Invalid csh (CS_ERR_CSH)"; |
| 165 | case CS_ERR_MODE: |
| 166 | return "Invalid mode (CS_ERR_MODE)"; |
| 167 | case CS_ERR_OPTION: |
| 168 | return "Invalid option (CS_ERR_OPTION)"; |
| 169 | case CS_ERR_DETAIL: |
| 170 | return "Details are unavailable (CS_ERR_DETAIL)"; |
Nguyen Anh Quynh | c52352d | 2014-01-06 09:06:30 +0800 | [diff] [blame] | 171 | case CS_ERR_MEMSETUP: |
| 172 | return "Dynamic memory management uninitialized (CS_ERR_MEMSETUP)"; |
Nguyen Anh Quynh | 4f22028 | 2014-02-09 00:19:15 +0800 | [diff] [blame] | 173 | case CS_ERR_VERSION: |
| 174 | return "Different API version between core & binding (CS_ERR_VERSION)"; |
Nguyen Anh Quynh | f7cdbdf | 2014-02-24 16:47:36 +0800 | [diff] [blame] | 175 | case CS_ERR_DIET: |
| 176 | return "Information irrelevant in diet engine (CS_ERR_DIET)"; |
Nguyen Anh Quynh | 11ec881 | 2014-04-10 17:20:01 +0800 | [diff] [blame] | 177 | case CS_ERR_SKIPDATA: |
| 178 | return "Information irrelevant for 'data' instruction in SKIPDATA mode (CS_ERR_SKIPDATA)"; |
Nguyen Anh Quynh | 34f9638 | 2014-01-03 22:49:07 +0800 | [diff] [blame] | 179 | } |
| 180 | } |
| 181 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 182 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 183 | cs_err cs_open(cs_arch arch, cs_mode mode, csh *handle) |
| 184 | { |
Nguyen Anh Quynh | 42706a3 | 2014-05-09 07:33:35 +0800 | [diff] [blame] | 185 | cs_err err; |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 186 | struct cs_struct *ud; |
Nguyen Anh Quynh | edeeb04 | 2014-01-15 20:44:03 +0800 | [diff] [blame] | 187 | if (!cs_mem_malloc || !cs_mem_calloc || !cs_mem_realloc || !cs_mem_free || !cs_vsnprintf) |
Nguyen Anh Quynh | c52352d | 2014-01-06 09:06:30 +0800 | [diff] [blame] | 188 | // Error: before cs_open(), dynamic memory management must be initialized |
| 189 | // with cs_option(CS_OPT_MEM) |
| 190 | return CS_ERR_MEMSETUP; |
| 191 | |
Nguyen Anh Quynh | c272e9d | 2014-01-19 12:03:22 +0800 | [diff] [blame] | 192 | archs_enable(); |
| 193 | |
Nguyen Anh Quynh | 8f7ab49 | 2014-01-06 09:52:57 +0800 | [diff] [blame] | 194 | if (arch < CS_ARCH_MAX && arch_init[arch]) { |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 195 | ud = cs_mem_calloc(1, sizeof(*ud)); |
Nguyen Anh Quynh | 8f7ab49 | 2014-01-06 09:52:57 +0800 | [diff] [blame] | 196 | if (!ud) { |
| 197 | // memory insufficient |
| 198 | return CS_ERR_MEM; |
| 199 | } |
| 200 | |
Nguyen Anh Quynh | 9a197b3 | 2013-12-22 13:41:38 +0800 | [diff] [blame] | 201 | ud->errnum = CS_ERR_OK; |
| 202 | ud->arch = arch; |
| 203 | ud->mode = mode; |
| 204 | ud->big_endian = mode & CS_MODE_BIG_ENDIAN; |
Nguyen Anh Quynh | 39b812d | 2014-01-07 23:36:26 +0800 | [diff] [blame] | 205 | // by default, do not break instruction into details |
| 206 | ud->detail = CS_OPT_OFF; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 207 | |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 208 | // default skipdata setup |
| 209 | ud->skipdata_setup.mnemonic = SKIPDATA_MNEM; |
| 210 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 211 | err = arch_init[ud->arch](ud); |
Nguyen Anh Quynh | 06b3c05 | 2014-01-21 15:26:02 +0800 | [diff] [blame] | 212 | if (err) { |
| 213 | cs_mem_free(ud); |
| 214 | *handle = 0; |
| 215 | return err; |
| 216 | } |
Nguyen Anh Quynh | 8f7ab49 | 2014-01-06 09:52:57 +0800 | [diff] [blame] | 217 | |
| 218 | *handle = (uintptr_t)ud; |
| 219 | |
| 220 | return CS_ERR_OK; |
Nguyen Anh Quynh | 9a197b3 | 2013-12-22 13:41:38 +0800 | [diff] [blame] | 221 | } else { |
| 222 | *handle = 0; |
| 223 | return CS_ERR_ARCH; |
| 224 | } |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 225 | } |
| 226 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 227 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 226d7dc | 2014-02-27 22:20:39 +0800 | [diff] [blame] | 228 | cs_err cs_close(csh *handle) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 229 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 230 | struct cs_struct *ud; |
| 231 | |
Nguyen Anh Quynh | ef3d04d | 2014-02-27 23:42:49 +0800 | [diff] [blame] | 232 | if (*handle == 0) |
Nguyen Anh Quynh | 226d7dc | 2014-02-27 22:20:39 +0800 | [diff] [blame] | 233 | // invalid handle |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 234 | return CS_ERR_CSH; |
| 235 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 236 | ud = (struct cs_struct *)(*handle); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 237 | |
Nguyen Anh Quynh | fbe10a5 | 2014-02-27 23:59:08 +0800 | [diff] [blame] | 238 | if (ud->printer_info) |
| 239 | cs_mem_free(ud->printer_info); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 240 | |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 241 | cs_mem_free(ud->insn_cache); |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 242 | |
Nguyen Anh Quynh | ee143c8 | 2014-01-03 21:51:59 +0800 | [diff] [blame] | 243 | memset(ud, 0, sizeof(*ud)); |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 244 | cs_mem_free(ud); |
Nguyen Anh Quynh | ee143c8 | 2014-01-03 21:51:59 +0800 | [diff] [blame] | 245 | |
Nguyen Anh Quynh | c8e0785 | 2014-02-28 09:38:11 +0800 | [diff] [blame] | 246 | // invalidate this handle by ZERO out its value. |
| 247 | // this is to make sure it is unusable after cs_close() |
Nguyen Anh Quynh | 226d7dc | 2014-02-27 22:20:39 +0800 | [diff] [blame] | 248 | *handle = 0; |
| 249 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 250 | return CS_ERR_OK; |
| 251 | } |
| 252 | |
| 253 | // fill insn with mnemonic & operands info |
Nguyen Anh Quynh | a82a089 | 2014-01-23 23:42:40 +0800 | [diff] [blame] | 254 | static void fill_insn(struct cs_struct *handle, cs_insn *insn, char *buffer, MCInst *mci, |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 255 | PostPrinter_t postprinter, const uint8_t *code) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 256 | { |
Nguyen Anh Quynh | 8c2e2db | 2014-05-14 07:32:56 +0800 | [diff] [blame] | 257 | #ifndef CAPSTONE_DIET |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 258 | char *sp, *mnem; |
Nguyen Anh Quynh | 8c2e2db | 2014-05-14 07:32:56 +0800 | [diff] [blame] | 259 | #endif |
Nguyen Anh Quynh | 6c0dd63 | 2014-10-30 20:34:22 +0800 | [diff] [blame] | 260 | unsigned int copy_size = MIN(sizeof(insn->bytes), insn->size); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 261 | |
Nguyen Anh Quynh | 6c0dd63 | 2014-10-30 20:34:22 +0800 | [diff] [blame] | 262 | // fill the instruction bytes. |
| 263 | // we might skip some redundant bytes in front in the case of X86 |
| 264 | memcpy(insn->bytes, code + insn->size - copy_size, copy_size); |
| 265 | insn->size = copy_size; |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 266 | |
Nguyen Anh Quynh | 4d3e852 | 2013-12-14 10:45:09 +0800 | [diff] [blame] | 267 | // alias instruction might have ID saved in OpcodePub |
| 268 | if (MCInst_getOpcodePub(mci)) |
| 269 | insn->id = MCInst_getOpcodePub(mci); |
| 270 | |
| 271 | // post printer handles some corner cases (hacky) |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 272 | if (postprinter) |
Nguyen Anh Quynh | 6456481 | 2014-05-19 16:46:31 +0800 | [diff] [blame] | 273 | postprinter((csh)handle, insn, buffer, mci); |
Nguyen Anh Quynh | 4d3e852 | 2013-12-14 10:45:09 +0800 | [diff] [blame] | 274 | |
Nguyen Anh Quynh | fc83a43 | 2014-02-22 23:26:27 +0800 | [diff] [blame] | 275 | #ifndef CAPSTONE_DIET |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 276 | // fill in mnemonic & operands |
Nguyen Anh Quynh | defb9bc | 2013-12-12 14:00:12 +0800 | [diff] [blame] | 277 | // find first space or tab |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 278 | sp = buffer; |
Nguyen Anh Quynh | 7566a2d | 2014-06-08 22:09:31 +0800 | [diff] [blame] | 279 | mnem = insn->mnemonic; |
Nguyen Anh Quynh | 25b7f76 | 2014-07-02 12:22:39 +0800 | [diff] [blame] | 280 | for (sp = buffer; *sp; sp++) { |
| 281 | if (*sp == ' '|| *sp == '\t') |
| 282 | break; |
| 283 | if (*sp == '|') // lock|rep prefix for x86 |
| 284 | *sp = ' '; |
| 285 | // copy to @mnemonic |
| 286 | *mnem = *sp; |
| 287 | mnem++; |
Nguyen Anh Quynh | a5ffdc3 | 2014-05-07 08:25:24 +0800 | [diff] [blame] | 288 | } |
| 289 | |
Nguyen Anh Quynh | 7566a2d | 2014-06-08 22:09:31 +0800 | [diff] [blame] | 290 | *mnem = '\0'; |
| 291 | |
| 292 | // copy @op_str |
Nguyen Anh Quynh | defb9bc | 2013-12-12 14:00:12 +0800 | [diff] [blame] | 293 | if (*sp) { |
Nguyen Anh Quynh | 86dc393 | 2013-12-12 14:43:39 +0800 | [diff] [blame] | 294 | // find the next non-space char |
| 295 | sp++; |
| 296 | for (; ((*sp == ' ') || (*sp == '\t')); sp++); |
| 297 | strncpy(insn->op_str, sp, sizeof(insn->op_str) - 1); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 298 | insn->op_str[sizeof(insn->op_str) - 1] = '\0'; |
| 299 | } else |
| 300 | insn->op_str[0] = '\0'; |
Nguyen Anh Quynh | fc83a43 | 2014-02-22 23:26:27 +0800 | [diff] [blame] | 301 | #endif |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 302 | } |
| 303 | |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 304 | // how many bytes will we skip when encountering data (CS_OPT_SKIPDATA)? |
Nguyen Anh Quynh | a89383e | 2014-04-10 11:53:46 +0800 | [diff] [blame] | 305 | // this very much depends on instruction alignment requirement of each arch. |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 306 | static uint8_t skipdata_size(cs_struct *handle) |
| 307 | { |
| 308 | switch(handle->arch) { |
| 309 | default: |
| 310 | // should never reach |
| 311 | return -1; |
| 312 | case CS_ARCH_ARM: |
Nguyen Anh Quynh | a89383e | 2014-04-10 11:53:46 +0800 | [diff] [blame] | 313 | // skip 2 bytes on Thumb mode. |
| 314 | if (handle->mode & CS_MODE_THUMB) |
| 315 | return 2; |
| 316 | // otherwise, skip 4 bytes |
| 317 | return 4; |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 318 | case CS_ARCH_ARM64: |
| 319 | case CS_ARCH_MIPS: |
| 320 | case CS_ARCH_PPC: |
| 321 | case CS_ARCH_SPARC: |
Nguyen Anh Quynh | a89383e | 2014-04-10 11:53:46 +0800 | [diff] [blame] | 322 | // skip 4 bytes |
| 323 | return 4; |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 324 | case CS_ARCH_SYSZ: |
Nguyen Anh Quynh | a89383e | 2014-04-10 11:53:46 +0800 | [diff] [blame] | 325 | // SystemZ instruction's length can be 2, 4 or 6 bytes, |
| 326 | // so we just skip 2 bytes |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 327 | return 2; |
| 328 | case CS_ARCH_X86: |
| 329 | // X86 has no restriction on instruction alignment |
| 330 | return 1; |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 331 | case CS_ARCH_XCORE: |
| 332 | // XCore instruction's length can be 2 or 4 bytes, |
| 333 | // so we just skip 2 bytes |
| 334 | return 2; |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 335 | } |
| 336 | } |
| 337 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 338 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | da8adad | 2013-12-04 09:44:07 +0800 | [diff] [blame] | 339 | cs_err cs_option(csh ud, cs_opt_type type, size_t value) |
Nguyen Anh Quynh | 01aba00 | 2013-12-03 21:00:09 +0800 | [diff] [blame] | 340 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 341 | struct cs_struct *handle; |
Nguyen Anh Quynh | c46c35d | 2014-03-05 00:21:53 +0800 | [diff] [blame] | 342 | archs_enable(); |
| 343 | |
Nguyen Anh Quynh | 24bf0d9 | 2014-01-05 11:19:04 +0800 | [diff] [blame] | 344 | // cs_option() can be called with NULL handle just for CS_OPT_MEM |
| 345 | // This is supposed to be executed before all other APIs (even cs_open()) |
| 346 | if (type == CS_OPT_MEM) { |
| 347 | cs_opt_mem *mem = (cs_opt_mem *)value; |
| 348 | |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 349 | cs_mem_malloc = mem->malloc; |
| 350 | cs_mem_calloc = mem->calloc; |
| 351 | cs_mem_realloc = mem->realloc; |
| 352 | cs_mem_free = mem->free; |
Nguyen Anh Quynh | edeeb04 | 2014-01-15 20:44:03 +0800 | [diff] [blame] | 353 | cs_vsnprintf = mem->vsnprintf; |
Nguyen Anh Quynh | 24bf0d9 | 2014-01-05 11:19:04 +0800 | [diff] [blame] | 354 | |
| 355 | return CS_ERR_OK; |
| 356 | } |
| 357 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 358 | handle = (struct cs_struct *)(uintptr_t)ud; |
danghvu | 2b19296 | 2013-12-19 22:40:28 -0600 | [diff] [blame] | 359 | if (!handle) |
| 360 | return CS_ERR_CSH; |
Nguyen Anh Quynh | 01aba00 | 2013-12-03 21:00:09 +0800 | [diff] [blame] | 361 | |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 362 | switch(type) { |
| 363 | default: |
| 364 | break; |
| 365 | case CS_OPT_DETAIL: |
| 366 | handle->detail = value; |
| 367 | return CS_ERR_OK; |
| 368 | case CS_OPT_SKIPDATA: |
| 369 | handle->skipdata = (value == CS_OPT_ON); |
| 370 | if (handle->skipdata) { |
| 371 | if (handle->skipdata_size == 0) { |
| 372 | // set the default skipdata size |
| 373 | handle->skipdata_size = skipdata_size(handle); |
| 374 | } |
| 375 | } |
| 376 | return CS_ERR_OK; |
| 377 | case CS_OPT_SKIPDATA_SETUP: |
| 378 | if (value) |
| 379 | handle->skipdata_setup = *((cs_opt_skipdata *)value); |
| 380 | return CS_ERR_OK; |
Nguyen Anh Quynh | 7d02c92 | 2013-12-21 09:59:31 +0800 | [diff] [blame] | 381 | } |
Nguyen Anh Quynh | a209e67 | 2013-12-14 00:23:41 +0800 | [diff] [blame] | 382 | |
Nguyen Anh Quynh | d345839 | 2013-12-22 11:10:56 +0800 | [diff] [blame] | 383 | return arch_option[handle->arch](handle, type, value); |
Nguyen Anh Quynh | 01aba00 | 2013-12-03 21:00:09 +0800 | [diff] [blame] | 384 | } |
| 385 | |
Nguyen Anh Quynh | 07ffd64 | 2014-04-10 14:36:08 +0800 | [diff] [blame] | 386 | // generate @op_str for data instruction of SKIPDATA |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 387 | static void skipdata_opstr(char *opstr, const uint8_t *buffer, size_t size) |
| 388 | { |
| 389 | char *p = opstr; |
| 390 | int len; |
| 391 | size_t i; |
| 392 | |
| 393 | if (!size) { |
| 394 | opstr[0] = '\0'; |
| 395 | return; |
| 396 | } |
| 397 | |
| 398 | len = sprintf(p, "0x%02x", buffer[0]); |
| 399 | p+= len; |
| 400 | |
| 401 | for(i = 1; i < size; i++) { |
| 402 | len = sprintf(p, ", 0x%02x", buffer[i]); |
| 403 | p+= len; |
| 404 | } |
| 405 | } |
| 406 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 407 | // dynamicly allocate memory to contain disasm insn |
| 408 | // NOTE: caller must free() the allocated memory itself to avoid memory leaking |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 409 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 0beb0d4 | 2014-08-27 22:55:29 +0800 | [diff] [blame] | 410 | size_t cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64_t offset, size_t count, cs_insn **insn) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 411 | { |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 412 | struct cs_struct *handle; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 413 | MCInst mci; |
| 414 | uint16_t insn_size; |
Nguyen Anh Quynh | 6c182ae | 2014-06-18 21:50:25 +0800 | [diff] [blame] | 415 | size_t c = 0, i; |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 416 | unsigned int f = 0; // index of the next instruction in the cache |
| 417 | cs_insn *insn_cache; // cache contains disassembled instructions |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 418 | void *total = NULL; |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 419 | size_t total_size = 0; // total size of output buffer containing all insns |
Nguyen Anh Quynh | 034a748 | 2014-03-06 22:40:08 +0800 | [diff] [blame] | 420 | bool r; |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 421 | void *tmp; |
| 422 | size_t skipdata_bytes; |
Nguyen Anh Quynh | 523ca99 | 2014-10-01 10:46:37 +0800 | [diff] [blame] | 423 | uint64_t offset_org; // save all the original info of the buffer |
Nguyen Anh Quynh | 0df7e93 | 2014-07-10 15:42:16 +0800 | [diff] [blame] | 424 | size_t size_org; |
| 425 | const uint8_t *buffer_org; |
Nguyen Anh Quynh | ac98ca0 | 2014-09-30 13:17:36 +0800 | [diff] [blame] | 426 | unsigned int cache_size = INSN_CACHE_SIZE; |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 427 | size_t next_offset; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 428 | |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 429 | handle = (struct cs_struct *)(uintptr_t)ud; |
Nguyen Anh Quynh | 5848aaa | 2014-02-27 11:10:41 +0800 | [diff] [blame] | 430 | if (!handle) { |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 431 | // FIXME: how to handle this case: |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 432 | // handle->errnum = CS_ERR_HANDLE; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 433 | return 0; |
| 434 | } |
| 435 | |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 436 | handle->errnum = CS_ERR_OK; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 437 | |
Nguyen Anh Quynh | 50eeba2 | 2014-09-30 13:28:02 +0800 | [diff] [blame] | 438 | #ifdef CAPSTONE_USE_SYS_DYN_MEM |
Nguyen Anh Quynh | 16f330c | 2014-10-02 10:09:59 +0800 | [diff] [blame] | 439 | if (count > 0 && count <= INSN_CACHE_SIZE) |
flyingsymbols | d91f964 | 2014-10-22 03:21:43 -0400 | [diff] [blame] | 440 | cache_size = (unsigned int) count; |
Nguyen Anh Quynh | 50eeba2 | 2014-09-30 13:28:02 +0800 | [diff] [blame] | 441 | #endif |
Nguyen Anh Quynh | ac98ca0 | 2014-09-30 13:17:36 +0800 | [diff] [blame] | 442 | |
Nguyen Anh Quynh | 2cff6f6 | 2014-04-28 11:19:44 +0800 | [diff] [blame] | 443 | // save the original offset for SKIPDATA |
Nguyen Anh Quynh | 0df7e93 | 2014-07-10 15:42:16 +0800 | [diff] [blame] | 444 | buffer_org = buffer; |
Nguyen Anh Quynh | 07ffd64 | 2014-04-10 14:36:08 +0800 | [diff] [blame] | 445 | offset_org = offset; |
Nguyen Anh Quynh | 0df7e93 | 2014-07-10 15:42:16 +0800 | [diff] [blame] | 446 | size_org = size; |
Nguyen Anh Quynh | 523ca99 | 2014-10-01 10:46:37 +0800 | [diff] [blame] | 447 | |
| 448 | total_size = sizeof(cs_insn) * cache_size; |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 449 | total = cs_mem_malloc(total_size); |
Nguyen Anh Quynh | 611b0c5 | 2014-12-15 11:22:46 +0800 | [diff] [blame] | 450 | if (total == NULL) { |
| 451 | // insufficient memory |
Edward Williamson | f1e4975 | 2014-12-14 20:45:19 -0500 | [diff] [blame] | 452 | handle->errnum = CS_ERR_MEM; |
| 453 | return 0; |
| 454 | } |
Nguyen Anh Quynh | 611b0c5 | 2014-12-15 11:22:46 +0800 | [diff] [blame] | 455 | |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 456 | insn_cache = total; |
Nguyen Anh Quynh | 2cff6f6 | 2014-04-28 11:19:44 +0800 | [diff] [blame] | 457 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 458 | while (size > 0) { |
Nguyen Anh Quynh | 495295e | 2014-06-16 15:54:32 +0800 | [diff] [blame] | 459 | MCInst_Init(&mci); |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 460 | mci.csh = handle; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 461 | |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 462 | // relative branches need to know the address & size of current insn |
| 463 | mci.address = offset; |
| 464 | |
| 465 | if (handle->detail) { |
| 466 | // allocate memory for @detail pointer |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 467 | insn_cache->detail = cs_mem_malloc(sizeof(cs_detail)); |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 468 | } else { |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 469 | insn_cache->detail = NULL; |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | // save all the information for non-detailed mode |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 473 | mci.flat_insn = insn_cache; |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 474 | mci.flat_insn->address = offset; |
Nguyen Anh Quynh | 0c07cc9 | 2014-08-27 22:31:54 +0800 | [diff] [blame] | 475 | #ifdef CAPSTONE_DIET |
| 476 | // zero out mnemonic & op_str |
| 477 | mci.flat_insn->mnemonic[0] = '\0'; |
| 478 | mci.flat_insn->op_str[0] = '\0'; |
| 479 | #endif |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 480 | |
Nguyen Anh Quynh | a5ffdc3 | 2014-05-07 08:25:24 +0800 | [diff] [blame] | 481 | r = handle->disasm(ud, buffer, size, &mci, &insn_size, offset, handle->getinsn_info); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 482 | if (r) { |
| 483 | SStream ss; |
| 484 | SStream_Init(&ss); |
| 485 | |
Nguyen Anh Quynh | 5329a6f | 2014-06-08 23:35:52 +0700 | [diff] [blame] | 486 | mci.flat_insn->size = insn_size; |
Nguyen Anh Quynh | ff7bba3 | 2014-11-03 16:32:06 +0800 | [diff] [blame] | 487 | |
| 488 | // map internal instruction opcode to public insn ID |
| 489 | handle->insn_id(handle, insn_cache, mci.Opcode); |
| 490 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 491 | handle->printer(&mci, &ss, handle->printer_info); |
Nguyen Anh Quynh | ff7bba3 | 2014-11-03 16:32:06 +0800 | [diff] [blame] | 492 | |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 493 | fill_insn(handle, insn_cache, ss.buffer, &mci, handle->post_printer, buffer); |
Nguyen Anh Quynh | a209e67 | 2013-12-14 00:23:41 +0800 | [diff] [blame] | 494 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 495 | next_offset = insn_size; |
Nguyen Anh Quynh | 8f13f3c | 2013-12-04 22:57:04 +0800 | [diff] [blame] | 496 | } else { |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 497 | // encounter a broken instruction |
| 498 | |
| 499 | // free memory of @detail pointer |
Nguyen Anh Quynh | 6c182ae | 2014-06-18 21:50:25 +0800 | [diff] [blame] | 500 | if (handle->detail) { |
Nguyen Anh Quynh | 6c182ae | 2014-06-18 21:50:25 +0800 | [diff] [blame] | 501 | cs_mem_free(insn_cache->detail); |
| 502 | } |
| 503 | |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 504 | // if there is no request to skip data, or remaining data is too small, |
| 505 | // then bail out |
| 506 | if (!handle->skipdata || handle->skipdata_size > size) |
| 507 | break; |
| 508 | |
| 509 | if (handle->skipdata_setup.callback) { |
Nguyen Anh Quynh | 0df7e93 | 2014-07-10 15:42:16 +0800 | [diff] [blame] | 510 | skipdata_bytes = handle->skipdata_setup.callback(buffer_org, size_org, |
Nguyen Anh Quynh | 4b6b15f | 2014-08-26 15:57:04 +0800 | [diff] [blame] | 511 | (size_t)(offset - offset_org), handle->skipdata_setup.user_data); |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 512 | if (skipdata_bytes > size) |
| 513 | // remaining data is not enough |
| 514 | break; |
| 515 | |
| 516 | if (!skipdata_bytes) |
| 517 | // user requested not to skip data, so bail out |
| 518 | break; |
| 519 | } else |
| 520 | skipdata_bytes = handle->skipdata_size; |
| 521 | |
| 522 | // we have to skip some amount of data, depending on arch & mode |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 523 | insn_cache->id = 0; // invalid ID for this "data" instruction |
| 524 | insn_cache->address = offset; |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 525 | insn_cache->size = (uint16_t)skipdata_bytes; |
Nguyen Anh Quynh | ee58394 | 2014-06-09 00:13:31 +0700 | [diff] [blame] | 526 | memcpy(insn_cache->bytes, buffer, skipdata_bytes); |
| 527 | strncpy(insn_cache->mnemonic, handle->skipdata_setup.mnemonic, |
| 528 | sizeof(insn_cache->mnemonic) - 1); |
| 529 | skipdata_opstr(insn_cache->op_str, buffer, skipdata_bytes); |
| 530 | insn_cache->detail = NULL; |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 531 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 532 | next_offset = skipdata_bytes; |
| 533 | } |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 534 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 535 | // one more instruction entering the cache |
| 536 | f++; |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 537 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 538 | // one more instruction disassembled |
| 539 | c++; |
| 540 | if (count > 0 && c == count) |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 541 | // already got requested number of instructions |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 542 | break; |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 543 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 544 | if (f == cache_size) { |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 545 | // full cache, so expand the cache to contain incoming insns |
danghvu | 2fb7c8e | 2014-10-02 07:38:24 -0500 | [diff] [blame] | 546 | cache_size = cache_size * 8 / 5; // * 1.6 ~ golden ratio |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 547 | total_size += (sizeof(cs_insn) * cache_size); |
| 548 | tmp = cs_mem_realloc(total, total_size); |
| 549 | if (tmp == NULL) { // insufficient memory |
| 550 | if (handle->detail) { |
| 551 | insn_cache = (cs_insn *)total; |
| 552 | for (i = 0; i < c; i++, insn_cache++) |
| 553 | cs_mem_free(insn_cache->detail); |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 554 | } |
| 555 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 556 | cs_mem_free(total); |
| 557 | *insn = NULL; |
| 558 | handle->errnum = CS_ERR_MEM; |
| 559 | return 0; |
| 560 | } |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 561 | |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 562 | total = tmp; |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 563 | // continue to fill in the cache after the last instruction |
| 564 | insn_cache = (cs_insn *)((char *)total + sizeof(cs_insn) * c); |
Nguyen Anh Quynh | d3ffe37 | 2014-04-09 23:49:30 +0800 | [diff] [blame] | 565 | |
Nguyen Anh Quynh | 4d3ccf4 | 2014-10-03 00:39:56 +0800 | [diff] [blame] | 566 | // reset f back to 0, so we fill in the cache from begining |
danghvu | 0d1aad1 | 2014-10-01 23:12:18 -0500 | [diff] [blame] | 567 | f = 0; |
| 568 | } else |
| 569 | insn_cache++; |
| 570 | |
| 571 | buffer += next_offset; |
| 572 | size -= next_offset; |
| 573 | offset += next_offset; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 574 | } |
| 575 | |
Nguyen Anh Quynh | 27a4a08 | 2014-10-02 10:31:37 +0800 | [diff] [blame] | 576 | if (!c) { |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 577 | // we did not disassemble any instruction |
Nguyen Anh Quynh | 27a4a08 | 2014-10-02 10:31:37 +0800 | [diff] [blame] | 578 | cs_mem_free(total); |
| 579 | total = NULL; |
| 580 | } else if (f != cache_size) { |
Nguyen Anh Quynh | f9d8a89 | 2014-10-02 12:37:32 +0800 | [diff] [blame] | 581 | // total did not fully use the last cache, so downsize it |
Nguyen Anh Quynh | ac98ca0 | 2014-09-30 13:17:36 +0800 | [diff] [blame] | 582 | void *tmp = cs_mem_realloc(total, total_size - (cache_size - f) * sizeof(*insn_cache)); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 583 | if (tmp == NULL) { // insufficient memory |
Nguyen Anh Quynh | 6c182ae | 2014-06-18 21:50:25 +0800 | [diff] [blame] | 584 | // free all detail pointers |
| 585 | if (handle->detail) { |
| 586 | insn_cache = (cs_insn *)total; |
| 587 | for (i = 0; i < c; i++, insn_cache++) |
| 588 | cs_mem_free(insn_cache->detail); |
| 589 | } |
| 590 | |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 591 | cs_mem_free(total); |
Nguyen Anh Quynh | dab17fd | 2014-06-19 11:15:18 +0800 | [diff] [blame] | 592 | *insn = NULL; |
Nguyen Anh Quynh | 6c182ae | 2014-06-18 21:50:25 +0800 | [diff] [blame] | 593 | |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 594 | handle->errnum = CS_ERR_MEM; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | total = tmp; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 599 | } |
| 600 | |
| 601 | *insn = total; |
| 602 | |
| 603 | return c; |
| 604 | } |
| 605 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 606 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 0beb0d4 | 2014-08-27 22:55:29 +0800 | [diff] [blame] | 607 | CAPSTONE_DEPRECATED |
| 608 | size_t cs_disasm_ex(csh ud, const uint8_t *buffer, size_t size, uint64_t offset, size_t count, cs_insn **insn) |
| 609 | { |
| 610 | return cs_disasm(ud, buffer, size, offset, count, insn); |
| 611 | } |
| 612 | |
| 613 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 614 | void cs_free(cs_insn *insn, size_t count) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 615 | { |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 616 | size_t i; |
| 617 | |
| 618 | // free all detail pointers |
| 619 | for (i = 0; i < count; i++) |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 620 | cs_mem_free(insn[i].detail); |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 621 | |
| 622 | // then free pointer to cs_insn array |
Nguyen Anh Quynh | a8eb7a5 | 2014-01-11 12:55:31 +0800 | [diff] [blame] | 623 | cs_mem_free(insn); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 624 | } |
| 625 | |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 626 | CAPSTONE_EXPORT |
| 627 | cs_insn *cs_malloc(csh ud) |
| 628 | { |
| 629 | cs_insn *insn; |
| 630 | struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud; |
| 631 | |
| 632 | insn = cs_mem_malloc(sizeof(cs_insn)); |
| 633 | if (!insn) { |
| 634 | // insufficient memory |
| 635 | handle->errnum = CS_ERR_MEM; |
| 636 | return NULL; |
| 637 | } else { |
| 638 | if (handle->detail) { |
| 639 | // allocate memory for @detail pointer |
| 640 | insn->detail = cs_mem_malloc(sizeof(cs_detail)); |
| 641 | if (insn->detail == NULL) { // insufficient memory |
| 642 | cs_mem_free(insn); |
| 643 | handle->errnum = CS_ERR_MEM; |
| 644 | return NULL; |
| 645 | } |
| 646 | } else |
| 647 | insn->detail = NULL; |
| 648 | } |
| 649 | |
| 650 | return insn; |
| 651 | } |
| 652 | |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 653 | // iterator for instruction "single-stepping" |
| 654 | CAPSTONE_EXPORT |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 655 | bool cs_disasm_iter(csh ud, const uint8_t **code, size_t *size, |
| 656 | uint64_t *address, cs_insn *insn) |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 657 | { |
| 658 | struct cs_struct *handle; |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 659 | uint16_t insn_size; |
| 660 | MCInst mci; |
| 661 | bool r; |
| 662 | |
| 663 | handle = (struct cs_struct *)(uintptr_t)ud; |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 664 | if (!handle) { |
Nguyen Anh Quynh | 29ce6c3 | 2014-10-12 15:28:34 +0800 | [diff] [blame] | 665 | return false; |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | handle->errnum = CS_ERR_OK; |
| 669 | |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 670 | MCInst_Init(&mci); |
| 671 | mci.csh = handle; |
| 672 | |
| 673 | // relative branches need to know the address & size of current insn |
| 674 | mci.address = *address; |
| 675 | |
| 676 | // save all the information for non-detailed mode |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 677 | mci.flat_insn = insn; |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 678 | mci.flat_insn->address = *address; |
| 679 | #ifdef CAPSTONE_DIET |
| 680 | // zero out mnemonic & op_str |
| 681 | mci.flat_insn->mnemonic[0] = '\0'; |
| 682 | mci.flat_insn->op_str[0] = '\0'; |
| 683 | #endif |
| 684 | |
| 685 | r = handle->disasm(ud, *code, *size, &mci, &insn_size, *address, handle->getinsn_info); |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 686 | if (r) { |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 687 | SStream ss; |
| 688 | SStream_Init(&ss); |
| 689 | |
| 690 | mci.flat_insn->size = insn_size; |
Nguyen Anh Quynh | ff7bba3 | 2014-11-03 16:32:06 +0800 | [diff] [blame] | 691 | |
| 692 | // map internal instruction opcode to public insn ID |
| 693 | handle->insn_id(handle, insn, mci.Opcode); |
| 694 | |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 695 | handle->printer(&mci, &ss, handle->printer_info); |
Nguyen Anh Quynh | ff7bba3 | 2014-11-03 16:32:06 +0800 | [diff] [blame] | 696 | |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 697 | fill_insn(handle, insn, ss.buffer, &mci, handle->post_printer, *code); |
Nguyen Anh Quynh | ff7bba3 | 2014-11-03 16:32:06 +0800 | [diff] [blame] | 698 | |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 699 | *code += insn_size; |
| 700 | *size -= insn_size; |
| 701 | *address += insn_size; |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 702 | } else { // encounter a broken instruction |
| 703 | size_t skipdata_bytes; |
| 704 | |
| 705 | // if there is no request to skip data, or remaining data is too small, |
| 706 | // then bail out |
| 707 | if (!handle->skipdata || handle->skipdata_size > *size) |
| 708 | return false; |
| 709 | |
| 710 | if (handle->skipdata_setup.callback) { |
| 711 | skipdata_bytes = handle->skipdata_setup.callback(*code, *size, |
| 712 | 0, handle->skipdata_setup.user_data); |
| 713 | if (skipdata_bytes > *size) |
| 714 | // remaining data is not enough |
| 715 | return false; |
| 716 | |
| 717 | if (!skipdata_bytes) |
| 718 | // user requested not to skip data, so bail out |
| 719 | return false; |
| 720 | } else |
| 721 | skipdata_bytes = handle->skipdata_size; |
| 722 | |
| 723 | // we have to skip some amount of data, depending on arch & mode |
| 724 | insn->id = 0; // invalid ID for this "data" instruction |
| 725 | insn->address = *address; |
| 726 | insn->size = (uint16_t)skipdata_bytes; |
| 727 | memcpy(insn->bytes, *code, skipdata_bytes); |
| 728 | strncpy(insn->mnemonic, handle->skipdata_setup.mnemonic, |
| 729 | sizeof(insn->mnemonic) - 1); |
| 730 | skipdata_opstr(insn->op_str, *code, skipdata_bytes); |
| 731 | |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 732 | *code += skipdata_bytes; |
| 733 | *size -= skipdata_bytes; |
| 734 | *address += skipdata_bytes; |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 735 | } |
Nguyen Anh Quynh | 0a2eca7 | 2014-10-11 00:36:16 +0800 | [diff] [blame] | 736 | |
| 737 | return true; |
hlide | 993f362 | 2014-10-05 18:14:40 +0200 | [diff] [blame] | 738 | } |
| 739 | |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 740 | // return friendly name of regiser in a string |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 741 | CAPSTONE_EXPORT |
pancake | f0e4eed | 2013-12-11 22:14:42 +0100 | [diff] [blame] | 742 | const char *cs_reg_name(csh ud, unsigned int reg) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 743 | { |
Nguyen Anh Quynh | a82a089 | 2014-01-23 23:42:40 +0800 | [diff] [blame] | 744 | struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 745 | |
| 746 | if (!handle || handle->reg_name == NULL) { |
| 747 | return NULL; |
| 748 | } |
| 749 | |
Nguyen Anh Quynh | a253c7a | 2013-12-09 10:26:18 +0800 | [diff] [blame] | 750 | return handle->reg_name(ud, reg); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 751 | } |
| 752 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 753 | CAPSTONE_EXPORT |
pancake | f0e4eed | 2013-12-11 22:14:42 +0100 | [diff] [blame] | 754 | const char *cs_insn_name(csh ud, unsigned int insn) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 755 | { |
Nguyen Anh Quynh | a82a089 | 2014-01-23 23:42:40 +0800 | [diff] [blame] | 756 | struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 757 | |
| 758 | if (!handle || handle->insn_name == NULL) { |
| 759 | return NULL; |
| 760 | } |
| 761 | |
Nguyen Anh Quynh | a253c7a | 2013-12-09 10:26:18 +0800 | [diff] [blame] | 762 | return handle->insn_name(ud, insn); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 763 | } |
| 764 | |
Nguyen Anh Quynh | 650f96c | 2014-07-08 08:59:27 +0800 | [diff] [blame] | 765 | CAPSTONE_EXPORT |
| 766 | const char *cs_group_name(csh ud, unsigned int group) |
| 767 | { |
| 768 | struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud; |
| 769 | |
| 770 | if (!handle || handle->group_name == NULL) { |
| 771 | return NULL; |
| 772 | } |
| 773 | |
| 774 | return handle->group_name(ud, group); |
| 775 | } |
| 776 | |
Nguyen Anh Quynh | 7008356 | 2013-12-20 22:02:20 +0800 | [diff] [blame] | 777 | static bool arr_exist(unsigned char *arr, unsigned char max, unsigned int id) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 778 | { |
| 779 | int i; |
| 780 | |
| 781 | for (i = 0; i < max; i++) { |
| 782 | if (arr[i] == id) |
| 783 | return true; |
| 784 | } |
| 785 | |
| 786 | return false; |
| 787 | } |
| 788 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 789 | CAPSTONE_EXPORT |
obs | 876b6b6 | 2014-08-21 00:57:04 +0200 | [diff] [blame] | 790 | bool cs_insn_group(csh ud, const cs_insn *insn, unsigned int group_id) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 791 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 792 | struct cs_struct *handle; |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 793 | if (!ud) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 794 | return false; |
| 795 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 796 | handle = (struct cs_struct *)(uintptr_t)ud; |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 797 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 798 | if (!handle->detail) { |
| 799 | handle->errnum = CS_ERR_DETAIL; |
| 800 | return false; |
| 801 | } |
| 802 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 803 | if(!insn->id) { |
| 804 | handle->errnum = CS_ERR_SKIPDATA; |
| 805 | return false; |
| 806 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 807 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 808 | if(!insn->detail) { |
| 809 | handle->errnum = CS_ERR_DETAIL; |
| 810 | return false; |
| 811 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 812 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 813 | return arr_exist(insn->detail->groups, insn->detail->groups_count, group_id); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 814 | } |
| 815 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 816 | CAPSTONE_EXPORT |
obs | 876b6b6 | 2014-08-21 00:57:04 +0200 | [diff] [blame] | 817 | bool cs_reg_read(csh ud, const cs_insn *insn, unsigned int reg_id) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 818 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 819 | struct cs_struct *handle; |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 820 | if (!ud) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 821 | return false; |
| 822 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 823 | handle = (struct cs_struct *)(uintptr_t)ud; |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 824 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 825 | if (!handle->detail) { |
| 826 | handle->errnum = CS_ERR_DETAIL; |
| 827 | return false; |
| 828 | } |
| 829 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 830 | if(!insn->id) { |
| 831 | handle->errnum = CS_ERR_SKIPDATA; |
| 832 | return false; |
| 833 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 834 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 835 | if(!insn->detail) { |
| 836 | handle->errnum = CS_ERR_DETAIL; |
| 837 | return false; |
| 838 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 839 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 840 | return arr_exist(insn->detail->regs_read, insn->detail->regs_read_count, reg_id); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 841 | } |
| 842 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 843 | CAPSTONE_EXPORT |
obs | 876b6b6 | 2014-08-21 00:57:04 +0200 | [diff] [blame] | 844 | bool cs_reg_write(csh ud, const cs_insn *insn, unsigned int reg_id) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 845 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 846 | struct cs_struct *handle; |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 847 | if (!ud) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 848 | return false; |
| 849 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 850 | handle = (struct cs_struct *)(uintptr_t)ud; |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 851 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 852 | if (!handle->detail) { |
| 853 | handle->errnum = CS_ERR_DETAIL; |
| 854 | return false; |
| 855 | } |
| 856 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 857 | if(!insn->id) { |
| 858 | handle->errnum = CS_ERR_SKIPDATA; |
| 859 | return false; |
| 860 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 861 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 862 | if(!insn->detail) { |
| 863 | handle->errnum = CS_ERR_DETAIL; |
| 864 | return false; |
| 865 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 866 | |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 867 | return arr_exist(insn->detail->regs_write, insn->detail->regs_write_count, reg_id); |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 868 | } |
| 869 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 870 | CAPSTONE_EXPORT |
obs | 876b6b6 | 2014-08-21 00:57:04 +0200 | [diff] [blame] | 871 | int cs_op_count(csh ud, const cs_insn *insn, unsigned int op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 872 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 873 | struct cs_struct *handle; |
| 874 | unsigned int count = 0, i; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 875 | if (!ud) |
| 876 | return -1; |
| 877 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 878 | handle = (struct cs_struct *)(uintptr_t)ud; |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 879 | |
Nguyen Anh Quynh | 24e1227 | 2014-01-15 21:27:23 +0800 | [diff] [blame] | 880 | if (!handle->detail) { |
| 881 | handle->errnum = CS_ERR_DETAIL; |
| 882 | return -1; |
| 883 | } |
| 884 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 885 | if(!insn->id) { |
| 886 | handle->errnum = CS_ERR_SKIPDATA; |
| 887 | return -1; |
| 888 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 889 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 890 | if(!insn->detail) { |
| 891 | handle->errnum = CS_ERR_DETAIL; |
| 892 | return -1; |
| 893 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 894 | |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 895 | handle->errnum = CS_ERR_OK; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 896 | |
| 897 | switch (handle->arch) { |
| 898 | default: |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 899 | handle->errnum = CS_ERR_HANDLE; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 900 | return -1; |
| 901 | case CS_ARCH_ARM: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 902 | for (i = 0; i < insn->detail->arm.op_count; i++) |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 903 | if (insn->detail->arm.operands[i].type == (arm_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 904 | count++; |
| 905 | break; |
| 906 | case CS_ARCH_ARM64: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 907 | for (i = 0; i < insn->detail->arm64.op_count; i++) |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 908 | if (insn->detail->arm64.operands[i].type == (arm64_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 909 | count++; |
| 910 | break; |
| 911 | case CS_ARCH_X86: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 912 | for (i = 0; i < insn->detail->x86.op_count; i++) |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 913 | if (insn->detail->x86.operands[i].type == (x86_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 914 | count++; |
| 915 | break; |
| 916 | case CS_ARCH_MIPS: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 917 | for (i = 0; i < insn->detail->mips.op_count; i++) |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 918 | if (insn->detail->mips.operands[i].type == (mips_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 919 | count++; |
| 920 | break; |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 921 | case CS_ARCH_PPC: |
| 922 | for (i = 0; i < insn->detail->ppc.op_count; i++) |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 923 | if (insn->detail->ppc.operands[i].type == (ppc_op_type)op_type) |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 924 | count++; |
| 925 | break; |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 926 | case CS_ARCH_SPARC: |
| 927 | for (i = 0; i < insn->detail->sparc.op_count; i++) |
| 928 | if (insn->detail->sparc.operands[i].type == (sparc_op_type)op_type) |
| 929 | count++; |
| 930 | break; |
Nguyen Anh Quynh | 48a14ca | 2014-03-23 08:35:45 +0800 | [diff] [blame] | 931 | case CS_ARCH_SYSZ: |
| 932 | for (i = 0; i < insn->detail->sysz.op_count; i++) |
| 933 | if (insn->detail->sysz.operands[i].type == (sysz_op_type)op_type) |
| 934 | count++; |
| 935 | break; |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 936 | case CS_ARCH_XCORE: |
| 937 | for (i = 0; i < insn->detail->xcore.op_count; i++) |
| 938 | if (insn->detail->xcore.operands[i].type == (xcore_op_type)op_type) |
| 939 | count++; |
| 940 | break; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 941 | } |
| 942 | |
| 943 | return count; |
| 944 | } |
| 945 | |
Nguyen Anh Quynh | 07c3693 | 2014-06-03 18:33:15 +0800 | [diff] [blame] | 946 | CAPSTONE_EXPORT |
obs | 876b6b6 | 2014-08-21 00:57:04 +0200 | [diff] [blame] | 947 | int cs_op_index(csh ud, const cs_insn *insn, unsigned int op_type, |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 948 | unsigned int post) |
| 949 | { |
Nguyen Anh Quynh | bb0744d | 2014-05-12 13:41:49 +0800 | [diff] [blame] | 950 | struct cs_struct *handle; |
| 951 | unsigned int count = 0, i; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 952 | if (!ud) |
| 953 | return -1; |
| 954 | |
Axel 0vercl0k Souchet | 779d4c7 | 2014-05-08 23:44:49 +0100 | [diff] [blame] | 955 | handle = (struct cs_struct *)(uintptr_t)ud; |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 956 | |
Nguyen Anh Quynh | 24e1227 | 2014-01-15 21:27:23 +0800 | [diff] [blame] | 957 | if (!handle->detail) { |
| 958 | handle->errnum = CS_ERR_DETAIL; |
| 959 | return -1; |
| 960 | } |
| 961 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 962 | if(!insn->id) { |
| 963 | handle->errnum = CS_ERR_SKIPDATA; |
| 964 | return -1; |
| 965 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 966 | |
Giovanni Condello | 95657e0 | 2014-05-07 17:31:27 +0200 | [diff] [blame] | 967 | if(!insn->detail) { |
| 968 | handle->errnum = CS_ERR_DETAIL; |
| 969 | return -1; |
| 970 | } |
Giovanni Condello | a715df1 | 2014-05-07 17:25:38 +0200 | [diff] [blame] | 971 | |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 972 | handle->errnum = CS_ERR_OK; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 973 | |
| 974 | switch (handle->arch) { |
| 975 | default: |
Nguyen Anh Quynh | 3eb9ac9 | 2013-11-27 15:24:47 +0800 | [diff] [blame] | 976 | handle->errnum = CS_ERR_HANDLE; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 977 | return -1; |
| 978 | case CS_ARCH_ARM: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 979 | for (i = 0; i < insn->detail->arm.op_count; i++) { |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 980 | if (insn->detail->arm.operands[i].type == (arm_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 981 | count++; |
| 982 | if (count == post) |
| 983 | return i; |
| 984 | } |
| 985 | break; |
| 986 | case CS_ARCH_ARM64: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 987 | for (i = 0; i < insn->detail->arm64.op_count; i++) { |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 988 | if (insn->detail->arm64.operands[i].type == (arm64_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 989 | count++; |
| 990 | if (count == post) |
| 991 | return i; |
| 992 | } |
| 993 | break; |
| 994 | case CS_ARCH_X86: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 995 | for (i = 0; i < insn->detail->x86.op_count; i++) { |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 996 | if (insn->detail->x86.operands[i].type == (x86_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 997 | count++; |
| 998 | if (count == post) |
| 999 | return i; |
| 1000 | } |
| 1001 | break; |
| 1002 | case CS_ARCH_MIPS: |
Nguyen Anh Quynh | 4fe224b | 2013-12-24 16:49:36 +0800 | [diff] [blame] | 1003 | for (i = 0; i < insn->detail->mips.op_count; i++) { |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 1004 | if (insn->detail->mips.operands[i].type == (mips_op_type)op_type) |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 1005 | count++; |
| 1006 | if (count == post) |
| 1007 | return i; |
| 1008 | } |
| 1009 | break; |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 1010 | case CS_ARCH_PPC: |
| 1011 | for (i = 0; i < insn->detail->ppc.op_count; i++) { |
Alex Ionescu | 46018db | 2014-01-22 09:45:00 -0800 | [diff] [blame] | 1012 | if (insn->detail->ppc.operands[i].type == (ppc_op_type)op_type) |
Nguyen Anh Quynh | 42c6b1a | 2013-12-30 00:15:25 +0800 | [diff] [blame] | 1013 | count++; |
| 1014 | if (count == post) |
| 1015 | return i; |
| 1016 | } |
| 1017 | break; |
Nguyen Anh Quynh | 05e2713 | 2014-03-10 11:58:57 +0800 | [diff] [blame] | 1018 | case CS_ARCH_SPARC: |
| 1019 | for (i = 0; i < insn->detail->sparc.op_count; i++) { |
| 1020 | if (insn->detail->sparc.operands[i].type == (sparc_op_type)op_type) |
| 1021 | count++; |
| 1022 | if (count == post) |
| 1023 | return i; |
| 1024 | } |
| 1025 | break; |
Nguyen Anh Quynh | 48a14ca | 2014-03-23 08:35:45 +0800 | [diff] [blame] | 1026 | case CS_ARCH_SYSZ: |
| 1027 | for (i = 0; i < insn->detail->sysz.op_count; i++) { |
| 1028 | if (insn->detail->sysz.operands[i].type == (sysz_op_type)op_type) |
| 1029 | count++; |
| 1030 | if (count == post) |
| 1031 | return i; |
| 1032 | } |
| 1033 | break; |
Nguyen Anh Quynh | c80d840 | 2014-05-26 23:02:48 +0800 | [diff] [blame] | 1034 | case CS_ARCH_XCORE: |
| 1035 | for (i = 0; i < insn->detail->xcore.op_count; i++) { |
| 1036 | if (insn->detail->xcore.operands[i].type == (xcore_op_type)op_type) |
| 1037 | count++; |
| 1038 | if (count == post) |
| 1039 | return i; |
| 1040 | } |
| 1041 | break; |
Nguyen Anh Quynh | 26ee41a | 2013-11-27 12:11:31 +0800 | [diff] [blame] | 1042 | } |
| 1043 | |
| 1044 | return -1; |
| 1045 | } |