8044538: assert(which != imm_operand) failed: instruction is not a movq reg, imm64
Summary: Fixed internal_word_Relocation::target() to not retrieve target address from code if relocation points into the constant section. Added test.
Reviewed-by: kvn, twisti, dlong
--- a/hotspot/src/share/vm/code/relocInfo.cpp Tue Jun 10 20:53:23 2014 +0000
+++ b/hotspot/src/share/vm/code/relocInfo.cpp Wed Jun 11 09:16:19 2014 +0200
@@ -877,11 +877,7 @@
void internal_word_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
address target = _target;
if (target == NULL) {
- if (addr_in_const()) {
- target = new_addr_for(*(address*)addr(), src, dest);
- } else {
- target = new_addr_for(pd_get_address_from_code(), src, dest);
- }
+ target = new_addr_for(this->target(), src, dest);
}
set_value(target);
}
@@ -890,7 +886,11 @@
address internal_word_Relocation::target() {
address target = _target;
if (target == NULL) {
- target = pd_get_address_from_code();
+ if (addr_in_const()) {
+ target = *(address*)addr();
+ } else {
+ target = pd_get_address_from_code();
+ }
}
return target;
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/relocations/TestPrintRelocations.java Wed Jun 11 09:16:19 2014 +0200
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8044538
+ * @summary assert hit while printing relocations for jump table entries
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:+PrintRelocations TestPrintRelocations
+ */
+
+/**
+ * The test compiles all methods (-Xcomp) and prints their relocation
+ * entries (-XX:+PrintRelocations) to make sure the printing works.
+ */
+public class TestPrintRelocations {
+
+ static public void main(String[] args) { }
+}