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; |
+} |