1d65182f1818d1c19e6f3866ab6e68a262fad5185hbono@chromium.org/* 245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * GAS-compatible parser header file 345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * Copyright (C) 2005-2007 Peter Johnson 545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * Redistribution and use in source and binary forms, with or without 745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * modification, are permitted provided that the following conditions 845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * are met: 945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 1. Redistributions of source code must retain the above copyright 1045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * notice, this list of conditions and the following disclaimer. 1145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 1245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * notice, this list of conditions and the following disclaimer in the 1345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * documentation and/or other materials provided with the distribution. 1445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 3. Neither the name of the author nor the names of other contributors 1545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * may be used to endorse or promote products derived from this 1645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * software without specific prior written permission. 1745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * 1845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' 1945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE 2245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * POSSIBILITY OF SUCH DAMAGE. 2945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org */ 3045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#ifndef YASM_GAS_PARSER_H 3145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define YASM_GAS_PARSER_H 3245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 3345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define YYCTYPE unsigned char 3445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 3545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define MAX_SAVED_LINE_LEN 80 3645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 3745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgenum tokentype { 3845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org INTNUM = 258, 3945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org FLTNUM, 4045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org STRING, 4145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org REG, 4245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org REGGROUP, 4345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org SEGREG, 4445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org TARGETMOD, 4545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org LEFT_OP, 4645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org RIGHT_OP, 4745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org ID, 4845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org LABEL, 4945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org CPP_LINE_MARKER, 5045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org NASM_LINE_MARKER, 5145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org NONE 5245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org}; 5345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 5445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgtypedef union { 5545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org unsigned int int_info; 5645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yasm_intnum *intn; 5745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yasm_floatnum *flt; 5845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yasm_bytecode *bc; 5945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org uintptr_t arch_data; 6045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org struct { 6145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org char *contents; 6245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org size_t len; 6345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org } str; 6445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org} yystype; 6545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define YYSTYPE yystype 6645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 6745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgenum gas_parser_state { 6845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org INITIAL, 6945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org COMMENT, 7045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org SECTION_DIRECTIVE, 7145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org NASM_FILENAME 7245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org}; 7345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 7445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgtypedef struct yasm_parser_gas { 7545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@only@*/ yasm_object *object; 7645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 7745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* last "base" label for local (.) labels */ 7845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@null@*/ char *locallabel_base; 7945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org size_t locallabel_base_len; 8045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* .line/.file: we have to see both to start setting linemap versions */ 8245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int dir_fileline; 8345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@null@*/ char *dir_file; 8445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org unsigned long dir_line; 8545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* Have we seen a line marker? */ 8745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int seen_line_marker; 8845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 8945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@dependent@*/ yasm_preproc *preproc; 9045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@dependent@*/ yasm_errwarns *errwarns; 9145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 9245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@dependent@*/ yasm_linemap *linemap; 9345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 9445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /*@null@*/ yasm_bytecode *prev_bc; 9545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yasm_bytecode *temp_bc; 9645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 9745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int save_input; 9845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org YYCTYPE save_line[2][MAX_SAVED_LINE_LEN]; 9945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int save_last; 10045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 10145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* Line data storage used in preproc_input(). */ 10245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org char *line, *linepos; 10345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org size_t lineleft; 10445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 10545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yasm_scanner s; 10645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org enum gas_parser_state state; 10745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 10845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int token; /* enum tokentype or any character */ 10945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yystype tokval; 11045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org char tokch; /* first character of token */ 11145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 11245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* one token of lookahead; used sparingly */ 11345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int peek_token; /* NONE if none */ 11445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org yystype peek_tokval; 11545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org char peek_tokch; 11645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 11745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* Index of local labels; what's stored here is the /next/ index, 11845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org * so these are all 0 at start. 11945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org */ 12045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org unsigned long local[10]; 12145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 12245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org /* Parser-handled directives HAMT lookup */ 12345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org HAMT *dirs; 12445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 125a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org int intel_syntax; 126a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org 12745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int is_nasm_preproc; 12845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org int is_cpp_preproc; 12945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org} yasm_parser_gas; 13045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 13145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org/* shorter access names to commonly used parser_gas fields */ 13245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_object (parser_gas->object) 13345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_symtab (parser_gas->object->symtab) 13445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define cursect (parser_gas->object->cur_section) 13545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define curtok (parser_gas->token) 13645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define curval (parser_gas->tokval) 13745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 13845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define INTNUM_val (curval.intn) 13945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define FLTNUM_val (curval.flt) 14045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define STRING_val (curval.str) 14145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define REG_val (curval.arch_data) 14245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define REGGROUP_val (curval.arch_data) 14345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define SEGREG_val (curval.arch_data) 14445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define TARGETMOD_val (curval.arch_data) 14545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define ID_val (curval.str.contents) 14645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define ID_len (curval.str.len) 14745afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define LABEL_val (curval.str.contents) 14845afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define LABEL_len (curval.str.len) 14945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 15045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define cur_line (yasm_linemap_get_current(parser_gas->linemap)) 15145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 15245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_expr_new(l,o,r) yasm_expr_create(o,l,r,cur_line) 15345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_expr_new_tree(l,o,r) yasm_expr_create_tree(l,o,r,cur_line) 15445afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_expr_new_branch(o,r) yasm_expr_create_branch(o,r,cur_line) 15545afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#define p_expr_new_ident(r) yasm_expr_create_ident(r,cur_line) 15645afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 157a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.orgyasm_bytecode *parse_instr_intel(yasm_parser_gas *parser_gas); 158a1b5233e6d340f45f4846131fec9d0b92e203ce4hbono@chromium.org 15945afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgvoid gas_parser_parse(yasm_parser_gas *parser_gas); 16045afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgvoid gas_parser_cleanup(yasm_parser_gas *parser_gas); 16145afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.orgint gas_parser_lex(YYSTYPE *lvalp, yasm_parser_gas *parser_gas); 16245afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org 16345afe016bed87b9c6946184709058b39ede3f77ajwong@chromium.org#endif 164