objtool: Use arch_jump_destination() in read_intra_function_calls()

Use arch_jump_destiation() instead of the open-coded 'offset + len +
immediate' that is x86 specific.

Avoids future trouble with other architectures.

Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220818014553.220261-1-chenzhongjin@huawei.com

Author: Chen Zhongjin

tools/objtool/check.c

@@ -2233,7 +2233,7 @@ static int read_intra_function_calls(struct objtool_file *file)
 		 */
 		insn->type = INSN_JUMP_UNCONDITIONAL;
 
-		dest_off = insn->offset + insn->len + insn->immediate;
+		dest_off = arch_jump_destination(insn);
 		insn->jump_dest = find_insn(file, insn->sec, dest_off);
 		if (!insn->jump_dest) {
 			WARN_FUNC("can't find call dest at %s+0x%lx",