view lwasm/input.h @ 283:210d261a614d

Make byte overflow detection for indexing work better There are *two* places where indexed addressing is calculated - lea style instructions and general addressing instructions. Actually check for byte overflows in both places. Also, extend byte overflow checking to all 8 bit offsets from index registers, not just PCR.
author William Astle <lost@l-w.ca>
date Mon, 02 Sep 2013 10:49:57 -0600
parents 3864d96ee8c7
children 8e25147c2aa8
line wrap: on
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/*
input.h

Copyright © 2010 William Astle

This file is part of LWTOOLS.

LWTOOLS is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.

You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef ___input_h_seen___
#define ___input_h_seen___

#include "lwasm.h"

typedef struct
{
  int magic;
} input_stack_entry;

extern void input_stack_push(asmstate_t *as, input_stack_entry *se);
extern input_stack_entry *input_stack_pop(asmstate_t *as, int magic, int (*fn)(input_stack_entry *e, void *data), void *data);

extern void input_init(asmstate_t *as);
extern void input_openstring(asmstate_t *as, char *s, char *str);
extern void input_open(asmstate_t *as, char *s);
extern char *input_readline(asmstate_t *as);
extern char *input_curspec(asmstate_t *as);
extern FILE *input_open_standalone(asmstate_t *as, char *s, char **rfn);

struct ifl
{
	const char *fn;
	struct ifl *next;
};

extern struct ifl *ifl_head;

#endif