8188894: jdk/jshell/ToolShiftTabTest.java failed with IllegalStateException
Reviewed-by: jlahoda
/*
* Copyright (c) 2008, 2016, 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 "asm/macroAssembler.hpp"
#include "assembler_arm.inline.hpp"
#include "runtime/icache.hpp"
#define __ _masm->
#ifdef AARCH64
static int icache_flush(address addr, int lines, int magic) {
// TODO-AARCH64 Figure out actual cache line size (mrs Xt, CTR_EL0)
address p = addr;
for (int i = 0; i < lines; i++, p += ICache::line_size) {
__asm__ volatile(
" dc cvau, %[p]"
:
: [p] "r" (p)
: "memory");
}
__asm__ volatile(
" dsb ish"
: : : "memory");
p = addr;
for (int i = 0; i < lines; i++, p += ICache::line_size) {
__asm__ volatile(
" ic ivau, %[p]"
:
: [p] "r" (p)
: "memory");
}
__asm__ volatile(
" dsb ish\n\t"
" isb\n\t"
: : : "memory");
return magic;
}
#else
static int icache_flush(address addr, int lines, int magic) {
__builtin___clear_cache(addr, addr + (lines << ICache::log2_line_size));
return magic;
}
#endif // AARCH64
void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {
address start = (address)icache_flush;
*flush_icache_stub = (ICache::flush_icache_stub_t)start;
// ICache::invalidate_range() contains explicit condition that the first
// call is invoked on the generated icache flush stub code range.
ICache::invalidate_range(start, 0);
{
// dummy code mark to make the shared code happy
// (fields that would need to be modified to emulate the correct
// mark are not accessible)
StubCodeMark mark(this, "ICache", "fake_stub_for_inlined_icache_flush");
__ ret();
}
}
#undef __