Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 293 insertions, 0 deletions

diff --git a/capstone/tests/test_arm.c b/capstone/tests/test_arm.c
new file mode 100644
index 000000000..a5016fafb
--- /dev/null
+++ b/capstone/tests/test_arm.c
@@ -0,0 +1,293 @@
+/* Capstone Disassembler Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <capstone/platform.h>
+#include <capstone/capstone.h>
+
+static csh handle;
+
+struct platform {
+	cs_arch arch;
+	cs_mode mode;
+	unsigned char *code;
+	size_t size;
+	const char *comment;
+	int syntax;
+};
+
+static void print_string_hex(const char *comment, unsigned char *str, size_t len)
+{
+	unsigned char *c;
+
+	printf("%s", comment);
+	for (c = str; c < str + len; c++) {
+		printf("0x%02x ", *c & 0xff);
+	}
+
+	printf("\n");
+}
+
+static void print_insn_detail(csh cs_handle, cs_insn *ins)
+{
+	cs_arm *arm;
+	int i;
+	cs_regs regs_read, regs_write;
+	uint8_t regs_read_count, regs_write_count;
+
+	// detail can be NULL on "data" instruction if SKIPDATA option is turned ON
+	if (ins->detail == NULL)
+		return;
+
+	arm = &(ins->detail->arm);
+
+	if (arm->op_count)
+		printf("\top_count: %u\n", arm->op_count);
+
+	for (i = 0; i < arm->op_count; i++) {
+		cs_arm_op *op = &(arm->operands[i]);
+		switch((int)op->type) {
+			default:
+				break;
+			case ARM_OP_REG:
+				printf("\t\toperands[%u].type: REG = %s\n", i, cs_reg_name(cs_handle, op->reg));
+				break;
+			case ARM_OP_IMM:
+				printf("\t\toperands[%u].type: IMM = 0x%x\n", i, op->imm);
+				break;
+			case ARM_OP_FP:
+#if defined(_KERNEL_MODE)
+				// Issue #681: Windows kernel does not support formatting float point
+				printf("\t\toperands[%u].type: FP = <float_point_unsupported>\n", i);
+#else
+				printf("\t\toperands[%u].type: FP = %f\n", i, op->fp);
+#endif
+				break;
+			case ARM_OP_MEM:
+				printf("\t\toperands[%u].type: MEM\n", i);
+				if (op->mem.base != ARM_REG_INVALID)
+					printf("\t\t\toperands[%u].mem.base: REG = %s\n",
+							i, cs_reg_name(cs_handle, op->mem.base));
+				if (op->mem.index != ARM_REG_INVALID)
+					printf("\t\t\toperands[%u].mem.index: REG = %s\n",
+							i, cs_reg_name(cs_handle, op->mem.index));
+				if (op->mem.scale != 1)
+					printf("\t\t\toperands[%u].mem.scale: %u\n", i, op->mem.scale);
+				if (op->mem.disp != 0)
+					printf("\t\t\toperands[%u].mem.disp: 0x%x\n", i, op->mem.disp);
+				if (op->mem.lshift != 0)
+					printf("\t\t\toperands[%u].mem.lshift: 0x%x\n", i, op->mem.lshift);
+
+				break;
+			case ARM_OP_PIMM:
+				printf("\t\toperands[%u].type: P-IMM = %u\n", i, op->imm);
+				break;
+			case ARM_OP_CIMM:
+				printf("\t\toperands[%u].type: C-IMM = %u\n", i, op->imm);
+				break;
+			case ARM_OP_SETEND:
+				printf("\t\toperands[%u].type: SETEND = %s\n", i, op->setend == ARM_SETEND_BE? "be" : "le");
+				break;
+			case ARM_OP_SYSREG:
+				printf("\t\toperands[%u].type: SYSREG = %u\n", i, op->reg);
+				break;
+		}
+
+		if (op->neon_lane != -1) {
+			printf("\t\toperands[%u].neon_lane = %u\n", i, op->neon_lane);
+		}
+
+		switch(op->access) {
+			default:
+				break;
+			case CS_AC_READ:
+				printf("\t\toperands[%u].access: READ\n", i);
+				break;
+			case CS_AC_WRITE:
+				printf("\t\toperands[%u].access: WRITE\n", i);
+				break;
+			case CS_AC_READ | CS_AC_WRITE:
+				printf("\t\toperands[%u].access: READ | WRITE\n", i);
+				break;
+		}
+
+		if (op->shift.type != ARM_SFT_INVALID && op->shift.value) {
+			if (op->shift.type < ARM_SFT_ASR_REG)
+				// shift with constant value
+				printf("\t\t\tShift: %u = %u\n", op->shift.type, op->shift.value);
+			else
+				// shift with register
+				printf("\t\t\tShift: %u = %s\n", op->shift.type,
+						cs_reg_name(cs_handle, op->shift.value));
+		}
+
+		if (op->vector_index != -1) {
+			printf("\t\toperands[%u].vector_index = %u\n", i, op->vector_index);
+		}
+
+		if (op->subtracted)
+			printf("\t\tSubtracted: True\n");
+	}
+
+	if (arm->cc != ARM_CC_AL && arm->cc != ARM_CC_INVALID)
+		printf("\tCode condition: %u\n", arm->cc);
+
+	if (arm->update_flags)
+		printf("\tUpdate-flags: True\n");
+
+	if (arm->writeback)
+		printf("\tWrite-back: True\n");
+
+	if (arm->cps_mode)
+		printf("\tCPSI-mode: %u\n", arm->cps_mode);
+
+	if (arm->cps_flag)
+		printf("\tCPSI-flag: %u\n", arm->cps_flag);
+
+	if (arm->vector_data)
+		printf("\tVector-data: %u\n", arm->vector_data);
+
+	if (arm->vector_size)
+		printf("\tVector-size: %u\n", arm->vector_size);
+
+	if (arm->usermode)
+		printf("\tUser-mode: True\n");
+
+	if (arm->mem_barrier)
+		printf("\tMemory-barrier: %u\n", arm->mem_barrier);
+
+	// Print out all registers accessed by this instruction (either implicit or explicit)
+	if (!cs_regs_access(cs_handle, ins,
+				regs_read, &regs_read_count,
+				regs_write, &regs_write_count)) {
+		if (regs_read_count) {
+			printf("\tRegisters read:");
+			for(i = 0; i < regs_read_count; i++) {
+				printf(" %s", cs_reg_name(cs_handle, regs_read[i]));
+			}
+			printf("\n");
+		}
+
+		if (regs_write_count) {
+			printf("\tRegisters modified:");
+			for(i = 0; i < regs_write_count; i++) {
+				printf(" %s", cs_reg_name(cs_handle, regs_write[i]));
+			}
+			printf("\n");
+		}
+	}
+
+	printf("\n");
+}
+
+static void test()
+{
+#define ARM_CODE "\x86\x48\x60\xf4\x4d\x0f\xe2\xf4\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\x00\x02\x01\xf1\x05\x40\xd0\xe8\xf4\x80\x00\x00"
+#define ARM_CODE2 "\xd1\xe8\x00\xf0\xf0\x24\x04\x07\x1f\x3c\xf2\xc0\x00\x00\x4f\xf0\x00\x01\x46\x6c"
+#define THUMB_CODE "\x60\xf9\x1f\x04\xe0\xf9\x4f\x07\x70\x47\x00\xf0\x10\xe8\xeb\x46\x83\xb0\xc9\x68\x1f\xb1\x30\xbf\xaf\xf3\x20\x84\x52\xf8\x23\xf0"
+#define THUMB_CODE2 "\x4f\xf0\x00\x01\xbd\xe8\x00\x88\xd1\xe8\x00\xf0\x18\xbf\xad\xbf\xf3\xff\x0b\x0c\x86\xf3\x00\x89\x80\xf3\x00\x8c\x4f\xfa\x99\xf6\xd0\xff\xa2\x01"
+#define THUMB_MCLASS "\xef\xf3\x02\x80"
+#define ARMV8 "\xe0\x3b\xb2\xee\x42\x00\x01\xe1\x51\xf0\x7f\xf5"
+
+	struct platform platforms[] = {
+		{
+			CS_ARCH_ARM,
+			CS_MODE_ARM,
+			(unsigned char *)ARM_CODE,
+			sizeof(ARM_CODE) - 1,
+			"ARM"
+		},
+		{
+			CS_ARCH_ARM,
+			CS_MODE_THUMB,
+			(unsigned char *)THUMB_CODE,
+			sizeof(THUMB_CODE) - 1,
+			"Thumb"
+		},
+		{
+			CS_ARCH_ARM,
+			CS_MODE_THUMB,
+			(unsigned char *)ARM_CODE2,
+			sizeof(ARM_CODE2) - 1,
+			"Thumb-mixed"
+		},
+		{
+			CS_ARCH_ARM,
+			CS_MODE_THUMB,
+			(unsigned char *)THUMB_CODE2,
+			sizeof(THUMB_CODE2) - 1,
+			"Thumb-2 & register named with numbers",
+			CS_OPT_SYNTAX_NOREGNAME
+		},
+		{
+			CS_ARCH_ARM,
+			(cs_mode)(CS_MODE_THUMB + CS_MODE_MCLASS),
+			(unsigned char*)THUMB_MCLASS,
+			sizeof(THUMB_MCLASS) - 1,
+			"Thumb-MClass"
+		},
+		{
+			CS_ARCH_ARM,
+			(cs_mode)(CS_MODE_ARM + CS_MODE_V8),
+			(unsigned char*)ARMV8,
+			sizeof(ARMV8) - 1,
+			"Arm-V8"
+		},
+	};
+
+	uint64_t address = 0x80001000;
+	cs_insn *insn;
+	int i;
+	size_t count;
+
+	for (i = 0; i < sizeof(platforms)/sizeof(platforms[0]); i++) {
+		cs_err err = cs_open(platforms[i].arch, platforms[i].mode, &handle);
+		if (err) {
+			printf("Failed on cs_open() with error returned: %u\n", err);
+			abort();
+		}
+
+		cs_option(handle, CS_OPT_DETAIL, CS_OPT_ON);
+
+		if (platforms[i].syntax)
+			cs_option(handle, CS_OPT_SYNTAX, platforms[i].syntax);
+
+		count = cs_disasm(handle, platforms[i].code, platforms[i].size, address, 0, &insn);
+		if (count) {
+			size_t j;
+			printf("****************\n");
+			printf("Platform: %s\n", platforms[i].comment);
+			print_string_hex("Code:", platforms[i].code, platforms[i].size);
+			printf("Disasm:\n");
+
+			for (j = 0; j < count; j++) {
+				printf("0x%" PRIx64 ":\t%s\t%s\n", insn[j].address, insn[j].mnemonic, insn[j].op_str);
+				print_insn_detail(handle, &insn[j]);
+			}
+			printf("0x%" PRIx64 ":\n", insn[j-1].address + insn[j-1].size);
+
+			// free memory allocated by cs_disasm()
+			cs_free(insn, count);
+		} else {
+			printf("****************\n");
+			printf("Platform: %s\n", platforms[i].comment);
+			print_string_hex("Code:", platforms[i].code, platforms[i].size);
+			printf("ERROR: Failed to disasm given code!\n");
+			abort();
+		}
+
+		printf("\n");
+
+		cs_close(&handle);
+	}
+}
+
+int main()
+{
+	test();
+
+	return 0;
+}
+