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110 lines
3.8 KiB
110 lines
3.8 KiB
/* $IdPath$ |
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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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BC_INCBIN |
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} bytecode_type; |
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#define BYTECODE_TYPE_BASE BC_INCBIN+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(/*@only@*/ expr *numitems, |
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unsigned char itemsize); |
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/*@only@*/ bytecode *bc_new_incbin(/*@only@*/ char *filename, |
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/*@only@*/ /*@null@*/ expr *start, |
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/*@only@*/ /*@null@*/ expr *maxlen); |
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void bc_delete(/*@only@*/ /*@null@*/ bytecode *bc); |
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void bc_print(FILE *f, const bytecode *bc); |
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/* Calculates length of bytecode, saving in bc structure. |
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* Returns whether the length is the minimum possible (1=yes, 0=no). |
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* resolve_label is the function used to determine the value (offset) of a |
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* in-file label (eg, not an EXTERN variable, which is indeterminate). |
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*/ |
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int bc_calc_len(bytecode *bc, /*@only@*/ /*@null@*/ |
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intnum *(*resolve_label) (section *sect, |
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/*@null@*/ bytecode *bc)); |
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/* void bcs_initialize(bytecodehead *headp); */ |
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#define bcs_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(FILE *f, const bytecodehead *headp); |
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int bcs_traverse(bytecodehead *headp, /*@null@*/ void *d, |
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int (*func) (bytecode *bc, /*@null@*/ void *d)); |
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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(FILE *f, const datavalhead *head); |
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#endif
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