1 files changed, 90 insertions, 0 deletions
diff --git a/modules/parsers/gas/gas-parse-intel.c b/modules/parsers/gas/gas-parse-intel.c
new file mode 100644
index 0000000..9d412fc
--- /dev/null
+++ b/modules/parsers/gas/gas-parse-intel.c
@@ -0,0 +1,90 @@
+/*
+ * 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>
+
+#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;
+}