cstool_arm.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <capstone/capstone.h>

Go to the source code of this file.

Functions
void	print_string_hex (char *comment, unsigned char *str, size_t len)
void	print_insn_detail_arm (csh handle, cs_insn *ins)

Function Documentation

print_insn_detail_arm()

void print_insn_detail_arm	(	csh	handle,
		cs_insn *	ins
	)

Definition at line 8 of file cstool_arm.c.

{
    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(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(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(handle, op->mem.index));
                if (op->mem.scale != 1)
                    printf("\t\t\toperands[%u].mem.scale: %d\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(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(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(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(handle, regs_write[i]));
            }
            printf("\n");
        }
    }
}

References ARM_CC_AL, ARM_CC_INVALID, ARM_OP_CIMM, ARM_OP_FP, ARM_OP_IMM, ARM_OP_MEM, ARM_OP_PIMM, ARM_OP_REG, ARM_OP_SETEND, ARM_OP_SYSREG, ARM_REG_INVALID, ARM_SETEND_BE, ARM_SFT_ASR_REG, ARM_SFT_INVALID, CS_AC_READ, CS_AC_WRITE, cs_reg_name(), cs_regs_access(), handle, i, NULL, and printf().

Referenced by print_details().

print_string_hex()

void print_string_hex	(	char *	comment,
		unsigned char *	str,
		size_t	len
	)