perf annotate: Disassembler instruction parsing

So that at disassembly time we parse targets, etc.

Supporting jump instructions initially, call functions are next.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-7vzlh66n5or46n27ji658cnl@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/annotate.h

@@ -7,11 +7,24 @@
 #include <linux/list.h>
 #include <linux/rbtree.h>
 
+struct ins_ops {
+	int (*parse_target)(const char *operands, u64 *target);
+};
+
+struct ins {
+	const char     *name;
+	struct ins_ops *ops;
+};
+
+bool ins__is_jump(const struct ins *ins);
+
 struct disasm_line {
 	struct list_head node;
 	s64		 offset;
+	u64		 target;
 	char		 *line;
 	char		 *name;
+	struct ins	 *ins;
 	char		 *operands;
 };