| Index: third_party/yasm/patched-yasm/modules/parsers/gas/gas-parse-intel.c
|
| ===================================================================
|
| --- third_party/yasm/patched-yasm/modules/parsers/gas/gas-parse-intel.c (revision 0)
|
| +++ third_party/yasm/patched-yasm/modules/parsers/gas/gas-parse-intel.c (revision 0)
|
| @@ -0,0 +1,91 @@
|
| +/*
|
| + * GAS-compatible parser Intel syntax support
|
| + *
|
| + * Copyright (C) 2010 Alexei Svitkine
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + * 1. Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + * 2. Redistributions in binary form must reproduce the above copyright
|
| + * notice, this list of conditions and the following disclaimer in the
|
| + * documentation and/or other materials provided with the distribution.
|
| + * 3. Neither the name of the author nor the names of other contributors
|
| + * may be used to endorse or promote products derived from this
|
| + * software without specific prior written permission.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
|
| + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
|
| + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
| + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| + * POSSIBILITY OF SUCH DAMAGE.
|
| + */
|
| +#include <util.h>
|
| +RCSID("$Id: gas-parse-intel.c 2279 2010-01-19 07:57:43Z peter $");
|
| +
|
| +#include <libyasm.h>
|
| +
|
| +#include "modules/parsers/gas/gas-parser.h"
|
| +#include "modules/parsers/nasm/nasm-parser-struct.h"
|
| +
|
| +extern yasm_bytecode *gas_intel_syntax_parse_instr(yasm_parser_nasm *parser_nasm, unsigned char *instr);
|
| +
|
| +#define SET_FIELDS(to, from) \
|
| + (to)->object = (from)->object; \
|
| + (to)->locallabel_base = (from)->locallabel_base; \
|
| + (to)->locallabel_base_len = (from)->locallabel_base_len; \
|
| + (to)->preproc = (from)->preproc; \
|
| + (to)->errwarns = (from)->errwarns; \
|
| + (to)->linemap = (from)->linemap; \
|
| + (to)->prev_bc = (from)->prev_bc;
|
| +
|
| +yasm_bytecode *parse_instr_intel(yasm_parser_gas *parser_gas)
|
| +{
|
| + char *stok, *slim;
|
| + unsigned char *line;
|
| + size_t length;
|
| +
|
| + yasm_parser_nasm parser_nasm;
|
| + yasm_bytecode *bc;
|
| +
|
| + memset(&parser_nasm, 0, sizeof(parser_nasm));
|
| +
|
| + yasm_arch_set_var(parser_gas->object->arch, "gas_intel_mode", 1);
|
| + SET_FIELDS(&parser_nasm, parser_gas);
|
| + parser_nasm.masm = 1;
|
| +
|
| + stok = (char *) parser_gas->s.tok;
|
| + slim = (char *) parser_gas->s.lim;
|
| + length = 0;
|
| + while (&stok[length] < slim && stok[length] != '\n') {
|
| + length++;
|
| + }
|
| +
|
| + if (&stok[length] == slim && parser_gas->line) {
|
| + line = yasm_xmalloc(length + parser_gas->lineleft + 1);
|
| + memcpy(line, parser_gas->s.tok, length);
|
| + memcpy(line + length, parser_gas->linepos, parser_gas->lineleft);
|
| + length += parser_gas->lineleft;
|
| + if (line[length - 1] == '\n') length--;
|
| + } else {
|
| + line = yasm_xmalloc(length + 1);
|
| + memcpy(line, parser_gas->s.tok, length);
|
| + }
|
| + line[length] = '\0';
|
| +
|
| + bc = gas_intel_syntax_parse_instr(&parser_nasm, line);
|
| +
|
| + SET_FIELDS(parser_gas, &parser_nasm);
|
| + yasm_arch_set_var(parser_gas->object->arch, "gas_intel_mode", 0);
|
| +
|
| + yasm_xfree(line);
|
| +
|
| + return bc;
|
| +}
|
|
|