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8178f883a5
This is actually worthwhile; I found and fixed a few bugs/edge cases while doing this. For more information on LCLint, see <http://lclint.cs.virginia.edu/>. svn path=/trunk/yasm/; revision=335
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/* $IdPath$
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* Bytecode utility functions header file
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*
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* Copyright (C) 2001 Peter Johnson
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*
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* This file is part of YASM.
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*
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* YASM is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* YASM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef YASM_BYTECODE_H
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#define YASM_BYTECODE_H
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typedef struct effaddr effaddr;
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typedef struct immval immval;
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typedef /*@reldef@*/ STAILQ_HEAD(datavalhead, dataval) datavalhead;
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typedef struct dataval dataval;
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/* Additional types may be architecture-defined starting at
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* BYTECODE_TYPE_BASE.
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*/
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typedef enum {
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BC_EMPTY = 0,
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BC_DATA,
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BC_RESERVE
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} bytecode_type;
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#define BYTECODE_TYPE_BASE BC_RESERVE+1
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/*@only@*/ immval *imm_new_int(unsigned long int_val);
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/*@only@*/ immval *imm_new_expr(/*@keep@*/ expr *e);
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void ea_set_len(effaddr *ea, unsigned char len);
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void ea_set_nosplit(effaddr *ea, unsigned char nosplit);
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void bc_set_multiple(bytecode *bc, /*@keep@*/ expr *e);
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/*@only@*/ bytecode *bc_new_common(bytecode_type type, size_t datasize);
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/*@only@*/ bytecode *bc_new_data(datavalhead *datahead, unsigned char size);
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/*@only@*/ bytecode *bc_new_reserve(/*@keep@*/ expr *numitems,
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unsigned char itemsize);
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void bc_delete(/*@only@*/ /*@null@*/ bytecode *bc);
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/* Gets the offset of the bytecode specified by bc if possible.
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* Return value is IF POSSIBLE, not the value.
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*/
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int bc_get_offset(section *sect, bytecode *bc,
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/*@out@*/ unsigned long *ret_val);
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void bc_print(const bytecode *bc);
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void bc_parser_finalize(bytecode *bc);
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/* void bytecodes_initialize(bytecodehead *headp); */
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#define bytecodes_initialize(headp) STAILQ_INIT(headp)
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void bcs_delete(bytecodehead *headp);
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/* Adds bc to the list of bytecodes headp.
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* NOTE: Does not make a copy of bc; so don't pass this function
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* static or local variables, and discard the bc pointer after calling
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* this function. If bc was actually appended (it wasn't NULL or empty),
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* then returns bc, otherwise returns NULL.
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*/
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/*@only@*/ /*@null@*/ bytecode *bcs_append(bytecodehead *headp,
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/*@returned@*/ /*@only@*/ /*@null@*/
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bytecode *bc);
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void bcs_print(const bytecodehead *headp);
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void bcs_parser_finalize(bytecodehead *headp);
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dataval *dv_new_expr(/*@keep@*/ expr *expn);
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dataval *dv_new_float(/*@keep@*/ floatnum *flt);
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dataval *dv_new_string(/*@keep@*/ char *str_val);
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void dvs_initialize(datavalhead *headp);
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#define dvs_initialize(headp) STAILQ_INIT(headp)
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void dvs_delete(datavalhead *headp);
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/* Adds dv to the list of datavals headp.
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* NOTE: Does not make a copy of dv; so don't pass this function
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* static or local variables, and discard the dv pointer after calling
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* this function. If dv was actually appended (it wasn't NULL), then
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* returns dv, otherwise returns NULL.
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*/
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/*@null@*/ dataval *dvs_append(datavalhead *headp,
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/*@returned@*/ /*@null@*/ dataval *dv);
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void dvs_print(const datavalhead *head);
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#endif
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