Ejemplo n.º 1
0
void log_ins(INS ins)
{
    // dump the instruction
    INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR) &execute_instruction,
        IARG_INST_PTR, IARG_PTR, strdup(INS_Disassemble(ins).c_str()),
        IARG_END);

    // reads memory (1)
    if(INS_IsMemoryRead(ins) != 0) {
        INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR) &dump_read_memory,
            IARG_MEMORYREAD_EA, IARG_MEMORYREAD_SIZE, IARG_END);
    }

    // reads memory (2)
    if(INS_HasMemoryRead2(ins) != 0) {
        INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR) &dump_read_memory,
            IARG_MEMORYREAD2_EA, IARG_MEMORYREAD_SIZE, IARG_END);
    }

    IPOINT after = IPOINT_AFTER;
    if(INS_IsCall(ins) != 0) {
        // TODO is this correct?
        after = IPOINT_TAKEN_BRANCH;
    }
    else if(INS_IsSyscall(ins) != 0) {
        // TODO support syscalls
        return;
    }
    else if(INS_HasFallThrough(ins) == 0 && (INS_IsBranch(ins) != 0 ||
            INS_IsRet(ins) != 0)) {
        // TODO is this correct?
        after = IPOINT_TAKEN_BRANCH;
    }

    // dump written memory
    if(INS_IsMemoryWrite(ins) != 0) {
        INS_InsertCall(ins, IPOINT_BEFORE,
            (AFUNPTR) &dump_written_memory_before, IARG_MEMORYWRITE_EA,
            IARG_MEMORYWRITE_SIZE, IARG_END);

        INS_InsertCall(ins, after, (AFUNPTR) &dump_written_memory_after,
            IARG_END);
    }

    // dump all affected registers
    for (UINT32 i = 0; i < INS_OperandCount(ins); i++) {
        if(INS_OperandIsMemory(ins, i) != 0) {
            if(INS_OperandMemoryBaseReg(ins, i) != REG_INVALID()) {
                REG base_reg = INS_OperandMemoryBaseReg(ins, i);

                if(g_reg_index[base_reg] != 0) {
                    INS_InsertCall(ins, IPOINT_BEFORE,
                        (AFUNPTR) &dump_reg_before,
                        IARG_UINT32, g_reg_index[base_reg]-1,
                        IARG_REG_VALUE, INS_OperandMemoryBaseReg(ins, i),
                        IARG_END);

                    INS_InsertCall(ins, after,
                        (AFUNPTR) &dump_reg_r_after,
                        IARG_UINT32, g_reg_index[base_reg]-1, IARG_END);
                }
            }
            if(INS_OperandMemoryIndexReg(ins, i) != REG_INVALID()) {
                REG index_reg = INS_OperandMemoryIndexReg(ins, i);

                if(g_reg_index[index_reg] != 0) {
                    INS_InsertCall(ins, IPOINT_BEFORE,
                        (AFUNPTR) &dump_reg_before,
                        IARG_UINT32, g_reg_index[index_reg]-1,
                        IARG_REG_VALUE, INS_OperandMemoryIndexReg(ins, i),
                        IARG_END);

                    INS_InsertCall(ins, after,
                        (AFUNPTR) &dump_reg_r_after,
                        IARG_UINT32, g_reg_index[index_reg]-1, IARG_END);
                }
            }
        }
        if(INS_OperandIsReg(ins, i) != 0) {
            REG reg_index = REG_FullRegName(INS_OperandReg(ins, i));

            if(INS_OperandReadAndWritten(ins, i) != 0) {
                if(g_reg_index[reg_index] != 0) {
                    INS_InsertCall(ins, IPOINT_BEFORE,
                        (AFUNPTR) &dump_reg_before,
                        IARG_UINT32, g_reg_index[reg_index]-1,
                        IARG_REG_VALUE, reg_index, IARG_END);

                    INS_InsertCall(ins, after, (AFUNPTR) &dump_reg_rw_after,
                        IARG_UINT32, g_reg_index[reg_index]-1,
                        IARG_REG_VALUE, reg_index, IARG_END);
                }
            }
            else if(INS_OperandRead(ins, i) != 0) {
                if(g_reg_index[reg_index] != 0) {
                    INS_InsertCall(ins, IPOINT_BEFORE,
                        (AFUNPTR) &dump_reg_before,
                        IARG_UINT32, g_reg_index[reg_index]-1,
                        IARG_REG_VALUE, reg_index, IARG_END);

                    INS_InsertCall(ins, after, (AFUNPTR) &dump_reg_r_after,
                        IARG_UINT32, g_reg_index[reg_index]-1, IARG_END);
                }
            }
            else if(INS_OperandWritten(ins, i) != 0) {
                if(g_reg_index[reg_index] != 0) {
                    INS_InsertCall(ins, after, (AFUNPTR) &dump_reg_w_after,
                        IARG_UINT32, g_reg_index[reg_index]-1,
                        IARG_REG_VALUE, reg_index, IARG_END);
                }
            }
        }
    }

    INS_InsertCall(ins, after, (AFUNPTR) &print_newline, IARG_END);
}
Ejemplo n.º 2
0
// Pin calls this function every time a new instruction is encountered
VOID Instruction(INS ins, VOID *v)
{
    // Insert a call to updateSpacingInfo before every instruction.
    // You may need to add arguments to the call.
    	INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)docount, IARG_END);
	UINT32 regnum = INS_MaxNumWRegs(ins);
	UINT32 reg,i,j,flag;
	REG tmp;
	regn++;
	for(i=0; i<regnum; i++){
		tmp=INS_RegW(ins, i);
		if(REG_is_partialreg(tmp)){
			INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)REG_FullRegName(tmp), IARG_END);
			INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)tmp, IARG_END);	

	}
//	if((UINT32)tmp==REG_EAX) printf("eax %u\n",tmp);
//	if((UINT32)tmp==REG_RBASE) printf("base %u\n",tmp);
//	if((UINT32)tmp== REG_ESI) printf("esi %u\n",tmp);
	
		if((UINT32)tmp==REG_AL || (UINT32)tmp==REG_AH) INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)REG_AX, IARG_END);
		else if((UINT32)tmp==REG_BL || (UINT32)tmp==REG_BH) INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)REG_BX, IARG_END);
		else if((UINT32)tmp==REG_CL || (UINT32)tmp==REG_CH) INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)REG_CX, IARG_END);
		else if((UINT32)tmp==REG_DL || (UINT32)tmp==REG_CH) INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoW,IARG_UINT32, (UINT32)REG_DX, IARG_END);
		
	}
	regnum = INS_MaxNumRRegs(ins);
	for(i=0; i<regnum; i++){ 
                reg=(UINT32)INS_RegR(ins, i);
		//if(reg>200 || reg<0) printf("Error2: reg=%u\n",reg);
        	//reg=writereg[reg];
		//if(reg>regn) printf("Error3\n");
		//if(reg>0 && regn-reg < maxSize && reg<regn) dependancySpacing[regn-reg]++;
		flag=0;
                for(j=0;j<i;j++)
                        if(readreg[j]==reg){flag=1;break;}
                if(flag==0)
		{ 
			INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)updateSpacingInfoR, IARG_UINT32, reg, IARG_END);
			readreg[i]=reg;
		
		}
		else{	
			readreg[i]=-1;
		}
	}

}