modify API cs_disasm_iter() and add new API cs_malloc(). also adds sample code test_iter.c
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3028149..e8f67e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,7 +50,7 @@
utils.c
)
-set(TEST_SOURCES test.c test_detail.c test_skipdata.c)
+set(TEST_SOURCES test.c test_detail.c test_skipdata.c test_iter.c)
## architecture support
if (CAPSTONE_ARM_SUPPORT)
diff --git a/cs.c b/cs.c
index c47aa98..ff72d77 100644
--- a/cs.c
+++ b/cs.c
@@ -204,7 +204,6 @@
ud->big_endian = mode & CS_MODE_BIG_ENDIAN;
// by default, do not break instruction into details
ud->detail = CS_OPT_OFF;
- ud->insn = NULL;
// default skipdata setup
ud->skipdata_setup.mnemonic = SKIPDATA_MNEM;
@@ -236,19 +235,11 @@
ud = (struct cs_struct *)(*handle);
- if (ud->insn) {
- if (ud->detail)
- cs_free(ud->insn, 1);
- else
- cs_mem_free(ud->insn);
- }
-
if (ud->printer_info)
cs_mem_free(ud->printer_info);
- // arch_destroy[ud->arch](ud);
-
cs_mem_free(ud->insn_cache);
+
memset(ud, 0, sizeof(*ud));
cs_mem_free(ud);
@@ -418,7 +409,7 @@
CAPSTONE_EXPORT
size_t cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64_t offset, size_t count, cs_insn **insn)
{
- struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud;
+ struct cs_struct *handle;
MCInst mci;
uint16_t insn_size;
size_t c = 0, i;
@@ -435,6 +426,7 @@
unsigned int cache_size = INSN_CACHE_SIZE;
size_t next_offset;
+ handle = (struct cs_struct *)(uintptr_t)ud;
if (!handle) {
// FIXME: how to handle this case:
// handle->errnum = CS_ERR_HANDLE;
@@ -519,7 +511,7 @@
// we have to skip some amount of data, depending on arch & mode
insn_cache->id = 0; // invalid ID for this "data" instruction
insn_cache->address = offset;
- insn_cache->size = (uint16_t) skipdata_bytes;
+ insn_cache->size = (uint16_t)skipdata_bytes;
memcpy(insn_cache->bytes, buffer, skipdata_bytes);
strncpy(insn_cache->mnemonic, handle->skipdata_setup.mnemonic,
sizeof(insn_cache->mnemonic) - 1);
@@ -620,52 +612,50 @@
cs_mem_free(insn);
}
+CAPSTONE_EXPORT
+cs_insn *cs_malloc(csh ud)
+{
+ cs_insn *insn;
+ struct cs_struct *handle = (struct cs_struct *)(uintptr_t)ud;
+
+ insn = cs_mem_malloc(sizeof(cs_insn));
+ if (!insn) {
+ // insufficient memory
+ handle->errnum = CS_ERR_MEM;
+ return NULL;
+ } else {
+ if (handle->detail) {
+ // allocate memory for @detail pointer
+ insn->detail = cs_mem_malloc(sizeof(cs_detail));
+ if (insn->detail == NULL) { // insufficient memory
+ cs_mem_free(insn);
+ handle->errnum = CS_ERR_MEM;
+ return NULL;
+ }
+ } else
+ insn->detail = NULL;
+ }
+
+ return insn;
+}
+
// iterator for instruction "single-stepping"
CAPSTONE_EXPORT
-cs_insn *cs_disasm_iter(csh ud, const uint8_t **code, size_t *size, uint64_t *address)
+bool cs_disasm_iter(csh ud, const uint8_t **code, size_t *size,
+ uint64_t *address, cs_insn *insn)
{
struct cs_struct *handle;
- cs_insn *insn_cache;
uint16_t insn_size;
MCInst mci;
bool r;
handle = (struct cs_struct *)(uintptr_t)ud;
- if (!handle)
- {
+ if (!handle) {
return NULL;
}
handle->errnum = CS_ERR_OK;
- insn_cache = handle->insn;
- if (!insn_cache)
- {
- insn_cache = cs_mem_malloc(sizeof(cs_insn));
- if (!insn_cache)
- {
- handle->errnum = CS_ERR_MEM;
- return NULL;
- }
- else
- {
- handle->insn = insn_cache;
- if (handle->detail)
- {
- // allocate memory for @detail pointer
- insn_cache->detail = cs_mem_malloc(sizeof(cs_detail));
- if (insn_cache->detail == NULL)
- { // insufficient memory
- cs_mem_free(insn_cache);
- handle->errnum = CS_ERR_MEM;
- return NULL;
- }
- }
- else
- insn_cache->detail = NULL;
- }
- }
-
MCInst_Init(&mci);
mci.csh = handle;
@@ -673,7 +663,7 @@
mci.address = *address;
// save all the information for non-detailed mode
- mci.flat_insn = insn_cache;
+ mci.flat_insn = insn;
mci.flat_insn->address = *address;
#ifdef CAPSTONE_DIET
// zero out mnemonic & op_str
@@ -682,23 +672,57 @@
#endif
r = handle->disasm(ud, *code, *size, &mci, &insn_size, *address, handle->getinsn_info);
- if (r)
- {
+ if (r) {
SStream ss;
SStream_Init(&ss);
mci.flat_insn->size = insn_size;
handle->printer(&mci, &ss, handle->printer_info);
- fill_insn(handle, insn_cache, ss.buffer, &mci, handle->post_printer, *code);
+ fill_insn(handle, insn, ss.buffer, &mci, handle->post_printer, *code);
*code += insn_size;
*size -= insn_size;
*address += insn_size;
+ } else { // encounter a broken instruction
+ size_t skipdata_bytes;
+
+ // if there is no request to skip data, or remaining data is too small,
+ // then bail out
+ if (!handle->skipdata || handle->skipdata_size > *size)
+ return false;
+
+ if (handle->skipdata_setup.callback) {
+ skipdata_bytes = handle->skipdata_setup.callback(*code, *size,
+ 0, handle->skipdata_setup.user_data);
+ if (skipdata_bytes > *size)
+ // remaining data is not enough
+ return false;
+
+ if (!skipdata_bytes)
+ // user requested not to skip data, so bail out
+ return false;
+ } else
+ skipdata_bytes = handle->skipdata_size;
+
+ // we have to skip some amount of data, depending on arch & mode
+ insn->id = 0; // invalid ID for this "data" instruction
+ insn->address = *address;
+ insn->size = (uint16_t)skipdata_bytes;
+ memcpy(insn->bytes, *code, skipdata_bytes);
+ strncpy(insn->mnemonic, handle->skipdata_setup.mnemonic,
+ sizeof(insn->mnemonic) - 1);
+ skipdata_opstr(insn->op_str, *code, skipdata_bytes);
+
+ // NOTE: if detail mode is OFF, content of detail pointer is irrelevant
+ // to be sure, zero out content of detail pointer
+ if (insn->detail)
+ memset(insn->detail, 0, sizeof(cs_detail));
+
+ *code += skipdata_bytes;
+ *size -= skipdata_bytes;
+ *address += skipdata_bytes;
}
- else
- {
- insn_cache->id = 0; // invalid ID for this "data" instruction
- }
- return insn_cache;
+
+ return true;
}
// return friendly name of regiser in a string
diff --git a/cs_priv.h b/cs_priv.h
index 0e8cb2b..b56030c 100644
--- a/cs_priv.h
+++ b/cs_priv.h
@@ -54,7 +54,6 @@
uint8_t skipdata_size; // how many bytes to skip
cs_opt_skipdata skipdata_setup; // user-defined skipdata setup
uint8_t *regsize_map; // map to register size (x86-only for now)
- cs_insn *insn;
};
#define MAX_ARCH 8
diff --git a/include/capstone.h b/include/capstone.h
index cf434b0..3232176 100644
--- a/include/capstone.h
+++ b/include/capstone.h
@@ -126,15 +126,18 @@
CS_OPT_SYNTAX_NOREGNAME, // Prints register name with only number (CS_OPT_SYNTAX)
} cs_opt_value;
-// User-defined callback function for SKIPDATA option
-// @code: the input buffer containing code to be disassembled. This is the
-// same buffer passed to cs_disasm().
-// @code_size: size (in bytes) of the above @code buffer.
-// @offset: the position of the currently-examining byte in the input
-// buffer @code mentioned above.
-// @user_data: user-data passed to cs_option() via @user_data field in
-// cs_opt_skipdata struct below.
-// @return: return number of bytes to skip, or 0 to immediately stop disassembling.
+/*
+ User-defined callback function for SKIPDATA option
+ @code: the input buffer containing code to be disassembled.
+ This is the same buffer passed to cs_disasm().
+ @code_size: size (in bytes) of the above @code buffer.
+ @offset: the position of the currently-examining byte in the input
+ buffer @code mentioned above.
+ @user_data: user-data passed to cs_option() via @user_data field in
+ cs_opt_skipdata struct below.
+
+ @return: return number of bytes to skip, or 0 to immediately stop disassembling.
+*/
typedef size_t (*cs_skipdata_cb_t)(const uint8_t *code, size_t code_size, size_t offset, void* user_data);
// User-customized setup for SKIPDATA option
@@ -334,7 +337,7 @@
@type: type of option to be set
@value: option value corresponding with @type
- @return CS_ERR_OK on success, or other value on failure.
+ @return: CS_ERR_OK on success, or other value on failure.
Refer to cs_err enum for detailed error.
NOTE: in the case of CS_OPT_MEM, handle's value can be anything,
@@ -368,21 +371,24 @@
const char *cs_strerror(cs_err code);
/*
- Dynamicly allocate memory to contain disasm insn
- Disassembled instructions will be put into @*insn
+ Disassemble binary code, given the code buffer, size, address and number
+ of instructions to be decoded.
+ This API dynamicly allocate memory to contain disassembled instruction.
+ Resulted instructions will be put into @*insn
NOTE 1: this API will automatically determine memory needed to contain
output disassembled instructions in @insn.
- NOTE 2: caller must free() the allocated memory itself to avoid memory leaking
+ NOTE 2: caller must free the allocated memory itself to avoid memory leaking.
@handle: handle returned by cs_open()
- @code: buffer containing raw binary code to be disassembled
- @code_size: size of above code
- @address: address of the first insn in given raw code buffer
- @insn: array of insn filled in by this function
+ @code: buffer containing raw binary code to be disassembled.
+ @code_size: size of the above code buffer.
+ @address: address of the first instruction in given raw code buffer.
+ @insn: array of instructions filled in by this API.
NOTE: @insn will be allocated by this function, and should be freed
with cs_free() API.
@count: number of instrutions to be disassembled, or 0 to get all of them
+
@return: the number of succesfully disassembled instructions,
or 0 if this function failed to disassemble the given code
@@ -416,11 +422,43 @@
CAPSTONE_EXPORT
void cs_free(cs_insn *insn, size_t count);
-/* TODO */
+
+/*
+ Allocate memory for 1 instruction to be used by cs_disasm_iter().
+
+ @handle: handle returned by cs_open()
+
+ NOTE: when no longer in use, reclaim the memory allocated for
+ this instruction with cs_free(insn, 1)
+*/
CAPSTONE_EXPORT
-cs_insn *cs_disasm_iter(csh handle,
+cs_insn *cs_malloc(csh handle);
+
+/*
+ Disassemble binary code, given the code buffer, size, address and number
+ of instructions to be decoded.
+ This API put the resulted instruction into a given cache in @insn.
+
+ NOTE 1: this API will update @code, @size & @address to point to the next
+ instruction in the buffer. Therefore, it is covenient to use cs_disasm_iter()
+ inside a loop to quickly iterate all the instructions in the input buffer.
+ NOTE 2: the cache in @insn can be created with cs_malloc() API.
+
+ @handle: handle returned by cs_open()
+ @code: buffer containing raw binary code to be disassembled
+ @code_size: size of above code
+ @address: address of the first insn in given raw code buffer
+ @insn: pointer to instruction to be filled in by this API.
+
+ @return: true if this API successfully decode 1 instruction,
+ or false otherwise.
+
+ On failure, call cs_errno() for error code.
+*/
+CAPSTONE_EXPORT
+bool cs_disasm_iter(csh handle,
const uint8_t **code, size_t *size,
- uint64_t *address);
+ uint64_t *address, cs_insn *insn);
/*
Return friendly name of regiser in a string.
@@ -432,6 +470,7 @@
@handle: handle returned by cs_open()
@reg_id: register id
+
@return: string name of the register, or NULL if @reg_id is invalid.
*/
CAPSTONE_EXPORT
diff --git a/tests/Makefile b/tests/Makefile
index 907177b..8d0b947 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -64,7 +64,7 @@
.PHONY: all clean
-SOURCES = test.c test_detail.c test_skipdata.c
+SOURCES = test.c test_detail.c test_skipdata.c test_iter.c
ifneq (,$(findstring arm,$(CAPSTONE_ARCHS)))
SOURCES += test_arm.c
endif
diff --git a/tests/test_detail.c b/tests/test_detail.c
index 4039c01..2e07626 100644
--- a/tests/test_detail.c
+++ b/tests/test_detail.c
@@ -215,9 +215,6 @@
// print implicit registers used by this instruction
detail = i->detail;
- // detail can be NULL on "data" instruction since we turned on SKIPDATA option above.
- if (!detail)
- continue;
if (detail->regs_read_count > 0) {
printf("\tImplicit registers read: ");
diff --git a/tests/test_iter.c b/tests/test_iter.c
new file mode 100644
index 0000000..e7486bb
--- /dev/null
+++ b/tests/test_iter.c
@@ -0,0 +1,262 @@
+/* Capstone Disassembler Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "../inttypes.h"
+
+#include <capstone.h>
+
+struct platform {
+ cs_arch arch;
+ cs_mode mode;
+ unsigned char *code;
+ size_t size;
+ char *comment;
+ cs_opt_type opt_type;
+ cs_opt_value opt_value;
+};
+
+static void print_string_hex(unsigned char *str, size_t len)
+{
+ unsigned char *c;
+
+ printf("Code: ");
+ for (c = str; c < str + len; c++) {
+ printf("0x%02x ", *c & 0xff);
+ }
+ printf("\n");
+}
+
+static void test()
+{
+#define X86_CODE16 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00"
+#define X86_CODE32 "\x8d\x4c\x32\x08\x01\xd8\x81\xc6\x34\x12\x00\x00"
+//#define X86_CODE32 "\x0f\xa7\xc0" // xstorerng
+#define X86_CODE64 "\x55\x48\x8b\x05\xb8\x13\x00\x00"
+//#define ARM_CODE "\x04\xe0\x2d\xe5"
+#define ARM_CODE "\xED\xFF\xFF\xEB\x04\xe0\x2d\xe5\x00\x00\x00\x00\xe0\x83\x22\xe5\xf1\x02\x03\x0e\x00\x00\xa0\xe3\x02\x30\xc1\xe7\x00\x00\x53\xe3"
+#define ARM_CODE2 "\x10\xf1\x10\xe7\x11\xf2\x31\xe7\xdc\xa1\x2e\xf3\xe8\x4e\x62\xf3"
+#define THUMB_CODE "\x70\x47\xeb\x46\x83\xb0\xc9\x68"
+#define THUMB_CODE2 "\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0"
+#define MIPS_CODE "\x0C\x10\x00\x97\x00\x00\x00\x00\x24\x02\x00\x0c\x8f\xa2\x00\x00\x34\x21\x34\x56\x00\x80\x04\x08"
+//#define MIPS_CODE "\x21\x38\x00\x01"
+//#define MIPS_CODE "\x21\x30\xe6\x70"
+//#define MIPS_CODE "\x1c\x00\x40\x14"
+#define MIPS_CODE2 "\x56\x34\x21\x34\xc2\x17\x01\x00"
+//#define ARM64_CODE "\xe1\x0b\x40\xb9" // ldr w1, [sp, #0x8]
+//#define ARM64_CODE "\x00\x40\x21\x4b" // sub w0, w0, w1, uxtw
+//#define ARM64_CODE "\x21\x7c\x02\x9b" // mul x1, x1, x2
+//#define ARM64_CODE "\x20\x74\x0b\xd5" // dc zva, x0
+//#define ARM64_CODE "\x20\xfc\x02\x9b" // mneg x0, x1, x2
+//#define ARM64_CODE "\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x10\x20\x21\x1e"
+//#define ARM64_CODE "\x21\x7c\x00\x53"
+#define ARM64_CODE "\x09\x00\x38\xd5\xbf\x40\x00\xd5\x0c\x05\x13\xd5\x20\x50\x02\x0e\x20\xe4\x3d\x0f\x00\x18\xa0\x5f\xa2\x00\xae\x9e\x9f\x37\x03\xd5\xbf\x33\x03\xd5\xdf\x3f\x03\xd5\x21\x7c\x02\x9b\x21\x7c\x00\x53\x00\x40\x21\x4b\xe1\x0b\x40\xb9\x20\x04\x81\xda\x20\x08\x02\x8b\x10\x5b\xe8\x3c"
+//#define THUMB_CODE "\x0a\xbf" // itet eq
+//#define X86_CODE32 "\x77\x04" // ja +6
+#define PPC_CODE "\x80\x20\x00\x00\x80\x3f\x00\x00\x10\x43\x23\x0e\xd0\x44\x00\x80\x4c\x43\x22\x02\x2d\x03\x00\x80\x7c\x43\x20\x14\x7c\x43\x20\x93\x4f\x20\x00\x21\x4c\xc8\x00\x21\x40\x82\x00\x14"
+#define SPARC_CODE "\x80\xa0\x40\x02\x85\xc2\x60\x08\x85\xe8\x20\x01\x81\xe8\x00\x00\x90\x10\x20\x01\xd5\xf6\x10\x16\x21\x00\x00\x0a\x86\x00\x40\x02\x01\x00\x00\x00\x12\xbf\xff\xff\x10\xbf\xff\xff\xa0\x02\x00\x09\x0d\xbf\xff\xff\xd4\x20\x60\x00\xd4\x4e\x00\x16\x2a\xc2\x80\x03"
+#define SPARCV9_CODE "\x81\xa8\x0a\x24\x89\xa0\x10\x20\x89\xa0\x1a\x60\x89\xa0\x00\xe0"
+#define SYSZ_CODE "\xed\x00\x00\x00\x00\x1a\x5a\x0f\x1f\xff\xc2\x09\x80\x00\x00\x00\x07\xf7\xeb\x2a\xff\xff\x7f\x57\xe3\x01\xff\xff\x7f\x57\xeb\x00\xf0\x00\x00\x24\xb2\x4f\x00\x78"
+#define XCORE_CODE "\xfe\x0f\xfe\x17\x13\x17\xc6\xfe\xec\x17\x97\xf8\xec\x4f\x1f\xfd\xec\x37\x07\xf2\x45\x5b\xf9\xfa\x02\x06\x1b\x10"
+
+ struct platform platforms[] = {
+ {
+ CS_ARCH_X86,
+ CS_MODE_16,
+ (unsigned char *)X86_CODE16,
+ sizeof(X86_CODE32) - 1,
+ "X86 16bit (Intel syntax)"
+ },
+ {
+ CS_ARCH_X86,
+ CS_MODE_32,
+ (unsigned char *)X86_CODE32,
+ sizeof(X86_CODE32) - 1,
+ "X86 32bit (ATT syntax)",
+ CS_OPT_SYNTAX,
+ CS_OPT_SYNTAX_ATT,
+ },
+ {
+ CS_ARCH_X86,
+ CS_MODE_32,
+ (unsigned char *)X86_CODE32,
+ sizeof(X86_CODE32) - 1,
+ "X86 32 (Intel syntax)"
+ },
+ {
+ CS_ARCH_X86,
+ CS_MODE_64,
+ (unsigned char *)X86_CODE64,
+ sizeof(X86_CODE64) - 1,
+ "X86 64 (Intel syntax)"
+ },
+ {
+ CS_ARCH_ARM,
+ CS_MODE_ARM,
+ (unsigned char *)ARM_CODE,
+ sizeof(ARM_CODE) - 1,
+ "ARM"
+ },
+ {
+ CS_ARCH_ARM,
+ CS_MODE_THUMB,
+ (unsigned char *)THUMB_CODE2,
+ sizeof(THUMB_CODE2) - 1,
+ "THUMB-2"
+ },
+ {
+ CS_ARCH_ARM,
+ CS_MODE_ARM,
+ (unsigned char *)ARM_CODE2,
+ sizeof(ARM_CODE2) - 1,
+ "ARM: Cortex-A15 + NEON"
+ },
+ {
+ CS_ARCH_ARM,
+ CS_MODE_THUMB,
+ (unsigned char *)THUMB_CODE,
+ sizeof(THUMB_CODE) - 1,
+ "THUMB"
+ },
+ {
+ CS_ARCH_MIPS,
+ (cs_mode)(CS_MODE_32 + CS_MODE_BIG_ENDIAN),
+ (unsigned char *)MIPS_CODE,
+ sizeof(MIPS_CODE) - 1,
+ "MIPS-32 (Big-endian)"
+ },
+ {
+ CS_ARCH_MIPS,
+ (cs_mode)(CS_MODE_64 + CS_MODE_LITTLE_ENDIAN),
+ (unsigned char *)MIPS_CODE2,
+ sizeof(MIPS_CODE2) - 1,
+ "MIPS-64-EL (Little-endian)"
+ },
+ {
+ CS_ARCH_ARM64,
+ CS_MODE_ARM,
+ (unsigned char *)ARM64_CODE,
+ sizeof(ARM64_CODE) - 1,
+ "ARM-64"
+ },
+ {
+ CS_ARCH_PPC,
+ CS_MODE_BIG_ENDIAN,
+ (unsigned char*)PPC_CODE,
+ sizeof(PPC_CODE) - 1,
+ "PPC-64"
+ },
+ {
+ CS_ARCH_SPARC,
+ CS_MODE_BIG_ENDIAN,
+ (unsigned char*)SPARC_CODE,
+ sizeof(SPARC_CODE) - 1,
+ "Sparc"
+ },
+ {
+ CS_ARCH_SPARC,
+ (cs_mode)(CS_MODE_BIG_ENDIAN + CS_MODE_V9),
+ (unsigned char*)SPARCV9_CODE,
+ sizeof(SPARCV9_CODE) - 1,
+ "SparcV9"
+ },
+ {
+ CS_ARCH_SYSZ,
+ (cs_mode)0,
+ (unsigned char*)SYSZ_CODE,
+ sizeof(SYSZ_CODE) - 1,
+ "SystemZ"
+ },
+ {
+ CS_ARCH_XCORE,
+ (cs_mode)0,
+ (unsigned char*)XCORE_CODE,
+ sizeof(XCORE_CODE) - 1,
+ "XCore"
+ },
+ };
+
+ csh handle;
+ uint64_t address;
+ cs_insn *insn;
+ cs_detail *detail;
+ int i;
+ cs_err err;
+ const uint8_t *code;
+ size_t size;
+
+ for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
+ printf("****************\n");
+ printf("Platform: %s\n", platforms[i].comment);
+ err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
+ if (err) {
+ printf("Failed on cs_open() with error returned: %u\n", err);
+ continue;
+ }
+
+ if (platforms[i].opt_type)
+ cs_option(handle, platforms[i].opt_type, platforms[i].opt_value);
+
+ cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
+
+ insn = cs_malloc(handle);
+
+ print_string_hex(platforms[i].code, platforms[i].size);
+ printf("Disasm:\n");
+
+ address = 0x1000;
+ code = platforms[i].code;
+ size = platforms[i].size;
+ while(cs_disasm_iter(handle, &code, &size, &address, insn)) {
+ int n;
+
+ printf("0x%"PRIx64":\t%s\t\t%s // insn-ID: %u, insn-mnem: %s\n",
+ insn->address, insn->mnemonic, insn->op_str,
+ insn->id, cs_insn_name(handle, insn->id));
+
+ // print implicit registers used by this instruction
+ detail = insn->detail;
+
+ if (detail->regs_read_count > 0) {
+ printf("\tImplicit registers read: ");
+ for (n = 0; n < detail->regs_read_count; n++) {
+ printf("%s ", cs_reg_name(handle, detail->regs_read[n]));
+ }
+ printf("\n");
+ }
+
+ // print implicit registers modified by this instruction
+ if (detail->regs_write_count > 0) {
+ printf("\tImplicit registers modified: ");
+ for (n = 0; n < detail->regs_write_count; n++) {
+ printf("%s ", cs_reg_name(handle, detail->regs_write[n]));
+ }
+ printf("\n");
+ }
+
+ // print the groups this instruction belong to
+ if (detail->groups_count > 0) {
+ printf("\tThis instruction belongs to groups: ");
+ for (n = 0; n < detail->groups_count; n++) {
+ printf("%s ", cs_group_name(handle, detail->groups[n]));
+ }
+ printf("\n");
+ }
+ }
+
+ printf("\n");
+
+ // free memory allocated by cs_malloc()
+ cs_free(insn, 1);
+
+ cs_close(&handle);
+ }
+}
+
+int main()
+{
+ test();
+
+ return 0;
+}