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8310355: Move the stub test from initialize_final_stubs() to test/hot…
…spot/gtest Reviewed-by: mseledtsov, lmesnik
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Hao Sun
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Jul 18, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| * Copyright (c) 1997, 2023, 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. | ||
| */ | ||
|
|
||
| #include "precompiled.hpp" | ||
| #include "runtime/stubRoutines.hpp" | ||
| #include "utilities/copy.hpp" | ||
| #include "unittest.hpp" | ||
|
|
||
| typedef void (*arraycopy_fn)(address src, address dst, int count); | ||
|
|
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| // simple tests of generated arraycopy functions | ||
| static void test_arraycopy_func(address func, int alignment) { | ||
| int v = 0xcc; | ||
| int v2 = 0x11; | ||
| jlong lbuffer[8]; | ||
| jlong lbuffer2[8]; | ||
| address fbuffer = (address) lbuffer; | ||
| address fbuffer2 = (address) lbuffer2; | ||
| unsigned int i; | ||
| for (i = 0; i < sizeof(lbuffer); i++) { | ||
| fbuffer[i] = v; fbuffer2[i] = v2; | ||
| } | ||
| // C++ does not guarantee jlong[] array alignment to 8 bytes. | ||
| // Use middle of array to check that memory before it is not modified. | ||
| address buffer = align_up((address)&lbuffer[4], BytesPerLong); | ||
| address buffer2 = align_up((address)&lbuffer2[4], BytesPerLong); | ||
| // do an aligned copy | ||
| ((arraycopy_fn)func)(buffer, buffer2, 0); | ||
| for (i = 0; i < sizeof(lbuffer); i++) { | ||
| ASSERT_TRUE(fbuffer[i] == v && fbuffer2[i] == v2) << "shouldn't have copied anything"; | ||
| } | ||
| // adjust destination alignment | ||
| ((arraycopy_fn)func)(buffer, buffer2 + alignment, 0); | ||
| for (i = 0; i < sizeof(lbuffer); i++) { | ||
| ASSERT_TRUE(fbuffer[i] == v && fbuffer2[i] == v2) << "shouldn't have copied anything"; | ||
| } | ||
| // adjust source alignment | ||
| ((arraycopy_fn)func)(buffer + alignment, buffer2, 0); | ||
| for (i = 0; i < sizeof(lbuffer); i++) { | ||
| ASSERT_TRUE(fbuffer[i] == v && fbuffer2[i] == v2) << "shouldn't have copied anything"; | ||
| } | ||
| } | ||
|
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| TEST_VM(StubRoutines, array_copy_routine) { | ||
| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXExec)); | ||
|
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| #define TEST_ARRAYCOPY(type) \ | ||
| test_arraycopy_func( StubRoutines::type##_arraycopy(), sizeof(type)); \ | ||
| test_arraycopy_func( StubRoutines::type##_disjoint_arraycopy(), sizeof(type)); \ | ||
| test_arraycopy_func(StubRoutines::arrayof_##type##_arraycopy(), sizeof(HeapWord)); \ | ||
| test_arraycopy_func(StubRoutines::arrayof_##type##_disjoint_arraycopy(), sizeof(HeapWord)) | ||
|
|
||
| // Make sure all the arraycopy stubs properly handle zero count | ||
| TEST_ARRAYCOPY(jbyte); | ||
| TEST_ARRAYCOPY(jshort); | ||
| TEST_ARRAYCOPY(jint); | ||
| TEST_ARRAYCOPY(jlong); | ||
|
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| #undef TEST_ARRAYCOPY | ||
|
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| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXWrite)); | ||
| } | ||
|
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| TEST_VM(StubRoutines, copy_routine) { | ||
| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXExec)); | ||
|
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| #define TEST_COPYRTN(type) \ | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_##type##s_atomic), sizeof(type)); \ | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::arrayof_conjoint_##type##s), (int)MAX2(sizeof(HeapWord), sizeof(type))) | ||
|
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||
| // Make sure all the copy runtime routines properly handle zero count | ||
| TEST_COPYRTN(jbyte); | ||
| TEST_COPYRTN(jshort); | ||
| TEST_COPYRTN(jint); | ||
| TEST_COPYRTN(jlong); | ||
|
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| #undef TEST_COPYRTN | ||
|
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| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::conjoint_words), sizeof(HeapWord)); | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words), sizeof(HeapWord)); | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::disjoint_words_atomic), sizeof(HeapWord)); | ||
| // Aligned to BytesPerLong | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_conjoint_words), sizeof(jlong)); | ||
| test_arraycopy_func(CAST_FROM_FN_PTR(address, Copy::aligned_disjoint_words), sizeof(jlong)); | ||
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| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXWrite)); | ||
| } | ||
|
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| TEST_VM(StubRoutines, array_fill_routine) { | ||
| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXExec)); | ||
|
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| #define TEST_FILL(type) \ | ||
| if (StubRoutines::_##type##_fill != nullptr) { \ | ||
| union { \ | ||
| double d; \ | ||
| type body[96]; \ | ||
| } s; \ | ||
| \ | ||
| int v = 32; \ | ||
| for (int offset = -2; offset <= 2; offset++) { \ | ||
| for (int i = 0; i < 96; i++) { \ | ||
| s.body[i] = 1; \ | ||
| } \ | ||
| type* start = s.body + 8 + offset; \ | ||
| for (int aligned = 0; aligned < 2; aligned++) { \ | ||
| if (aligned) { \ | ||
| if (((intptr_t)start) % HeapWordSize == 0) { \ | ||
| ((void (*)(type*, int, int))StubRoutines::_arrayof_##type##_fill)(start, v, 80); \ | ||
| } else { \ | ||
| continue; \ | ||
| } \ | ||
| } else { \ | ||
| ((void (*)(type*, int, int))StubRoutines::_##type##_fill)(start, v, 80); \ | ||
| } \ | ||
| for (int i = 0; i < 96; i++) { \ | ||
| if (i < (8 + offset) || i >= (88 + offset)) { \ | ||
| ASSERT_TRUE(s.body[i] == 1) << "what?"; \ | ||
| } else { \ | ||
| ASSERT_TRUE(s.body[i] == 32) << "what?"; \ | ||
| } \ | ||
| } \ | ||
| } \ | ||
| } \ | ||
| } \ | ||
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| TEST_FILL(jbyte); | ||
| TEST_FILL(jshort); | ||
| TEST_FILL(jint); | ||
|
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| #undef TEST_FILL | ||
|
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| MACOS_AARCH64_ONLY(os::current_thread_enable_wx(WXWrite)); | ||
| } |
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