jdk-24/test/hotspot/jtreg/compiler/calls/libTestManyArgs.c
Robbin Ehn bfe7f9205b 8339741: RISC-V: C ABI breakage for integer on stack
Reviewed-by: fyang, luhenry
2024-09-11 16:08:24 +00:00

70 lines
3.0 KiB
C

/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024, Rivos Inc. 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 "jni.h"
#ifdef riscv64
/* RV64 ABI pass all integers as 64-bit, in registers or on stack
* As compiler may choose to load smaller width than 64-bit if passed on stack,
* this test may not find any bugs.
* Therefore we trick the compiler todo 64-bit loads,
* by saying these args are jlongs.
*/
JNIEXPORT jint JNICALL Java_compiler_calls_TestManyArgs_checkargs(JNIEnv* env, jclass jclazz,
jlong arg0, jlong arg1, jlong arg2,
jlong arg3, jlong arg4, jlong arg5,
jlong arg6, jlong arg7, jlong arg8,
jlong arg9, jlong arg10, jlong arg11)
#else
JNIEXPORT jint JNICALL Java_compiler_calls_TestManyArgs_checkargs(JNIEnv* env, jclass jclazz,
jint arg0, jshort arg1, jbyte arg2,
jint arg3, jshort arg4, jbyte arg5,
jint arg6, jshort arg7, jbyte arg8,
jint arg9, jshort arg10, jbyte arg11)
#endif
{
if (arg0 != 0xf) return 1;
if (arg1 != 0xf) return 1;
if (arg2 != 0xf) return 1;
if (arg3 != 0xf) return 1;
if (arg4 != 0xf) return 1;
if (arg5 != 0xf) return 1;
if (arg6 != 0xf) return 1;
if (arg7 != 0xf) return 1;
if (arg8 != 0xf) return 1;
if (arg9 != 0xf) return 1;
if (arg10 != 0xf) return 1;
if (arg11 != 0xf) return 1;
return 0;
}
JNIEXPORT
void JNICALL Java_compiler_calls_TestManyArgs_scramblestack(JNIEnv* env, jclass jclazz)
{
volatile char stack[12*8];
for (unsigned int i = 0; i < sizeof(stack); i++) {
stack[i] = (char)0xff;
}
}