8051_ass.h File Reference

#include <rz_asm.h>

Go to the source code of this file.

Functions
int	assemble_8051 (RzAsm *a, RzAsmOp *op, char const *user_asm)

Function Documentation

assemble_8051()

int assemble_8051	(	RzAsm *	a,
		RzAsmOp *	op,
		char const *	user_asm
	)

Definition at line 1183 of file 8051_ass.c.

                                                               {
    if (!a || !op || !user_asm) {
        return 0;
    }
    rz_strbuf_set(&op->buf_asm, user_asm);
    while (!terminates_asm_line(*user_asm) && (*user_asm == ' ' || *user_asm == '\t')) {
        user_asm += 1;
    }
    char const *arguments = user_asm;
    while (!terminates_asm_line(*arguments) && (('a' <= *arguments && *arguments <= 'z') || ('A' <= *arguments && *arguments <= 'Z'))) {
        arguments += 1;
    }
    while (!terminates_asm_line(*arguments) && (*arguments == ' ' || *arguments == '\t')) {
        arguments += 1;
    }
    char *arg[3] = { 0 };
    int nr_of_arguments = get_arguments(arg, arguments);
    char const *carg[3] = { arg[0], arg[1], arg[2] }; /* aliasing pointers...
        I need to pass char const *s, but I can't free char const *s
        not without compiler warnings, at least */
    int wants_arguments;
    parse_mnem_args mnem = mnemonic(user_asm, &wants_arguments);
    if (!mnem || nr_of_arguments != wants_arguments) {
        free(arg[2]);
        arg[2] = 0;
        carg[2] = 0;
        free(arg[1]);
        arg[1] = 0;
        carg[1] = 0;
        free(arg[0]);
        arg[0] = 0;
        carg[0] = 0;
        return 0;
    }
    ut8 instr[4] = { 0 };
    ut8 *binp = instr;
    if (!mnem(carg, a->pc, &binp)) {
        free(arg[0]);
        arg[0] = 0;
        carg[2] = 0;
        free(arg[1]);
        arg[1] = 0;
        carg[1] = 0;
        free(arg[2]);
        arg[2] = 0;
        carg[0] = 0;
        return 0;
    } else {
        free(arg[0]);
        arg[0] = 0;
        carg[2] = 0;
        free(arg[1]);
        arg[1] = 0;
        carg[1] = 0;
        free(arg[2]);
        arg[2] = 0;
        carg[0] = 0;
        size_t len = binp - instr;
        rz_strbuf_setbin(&op->buf, instr, len);
        return binp - instr;
    }
}

References a, free(), get_arguments(), len, mnem, mnemonic(), rz_strbuf_set(), rz_strbuf_setbin(), and terminates_asm_line().