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/*
* Classifier for s390x assembly language
*
* Copyright (C) 2012 Red Hat, Inc.
*
*/
/* s390x opcodes have 26 different formats but mostly match this:
* nmemonic <param1>, <param2>, <param3>...
* Register names include the following:
* 32/64-bit GPRS: R0-R15 (GPR0-GPR15)
* 32/64-bit control registers: CR0-CR15
* 32-bit access registers: AR0-AR15
* 64-bit floating point: FP0-FP15
* 64/128-bit status reg: PSW
*/
#include "s390x.h"
#include <stdio.h>
#include <sys/types.h>
#include <regex.h>
#include <stdlib.h>
#include <string.h>
#include "classifier.h"
int classifier_s390x(char *token_name)
{
const struct s390x_opcode *opcode;
const struct s390x_reg *reg;
for (opcode=s390x_opcodes;opcode->assembler;opcode++) {
// TODO - catch variants of assembly language mnemonics
// previously limited to opcode->assembler length
// need to catch assembly that has appended letters
if (strlen(token_name) == strlen(opcode->assembler))
if (0 == strncasecmp(token_name, opcode->assembler,
strlen(opcode->assembler))) {
//printf("opcode: %s\n", opcode->assembler);
return MNEMONIC;
}
}
for (reg=s390x_regs;reg->assembler;reg++) {
if (strlen(token_name) == strlen(reg->assembler))
if (0 == strncasecmp(reg->assembler,token_name,
strlen(token_name)))
return REGISTER;
}
return UNKNOWN;
}
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