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1d0acb189a
Make jlong into int64_t, atomic_FN_long into atomic_FN_int64, make jbyte to u_char. Reviewed-by: dholmes, dcubed
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
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* Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef OS_CPU_LINUX_ARM_VM_OS_LINUX_ARM_HPP
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#define OS_CPU_LINUX_ARM_VM_OS_LINUX_ARM_HPP
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#ifndef __thumb__
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enum {
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// Offset to add to frame::_fp when dealing with non-thumb C frames
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#ifdef AARCH64
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C_frame_offset = 0,
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#else
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C_frame_offset = -1,
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#endif
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};
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#endif
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static void setup_fpu();
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static bool is_allocatable(size_t bytes);
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// Used to register dynamic code cache area with the OS
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// Note: Currently only used in 64 bit Windows implementations
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static bool register_code_area(char *low, char *high) { return true; }
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#ifndef AARCH64
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static int64_t (*atomic_cmpxchg_long_func)(int64_t compare_value,
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int64_t exchange_value,
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volatile int64_t *dest);
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static int64_t (*atomic_load_long_func)(const volatile int64_t*);
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static void (*atomic_store_long_func)(int64_t, volatile int64_t*);
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static int32_t (*atomic_add_func)(int32_t add_value, volatile int32_t *dest);
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static int32_t (*atomic_xchg_func)(int32_t exchange_value, volatile int32_t *dest);
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static int32_t (*atomic_cmpxchg_func)(int32_t compare_value,
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int32_t exchange_value,
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volatile int32_t *dest);
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static int64_t atomic_cmpxchg_long_bootstrap(int64_t, int64_t, volatile int64_t*);
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static int64_t atomic_load_long_bootstrap(const volatile int64_t*);
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static void atomic_store_long_bootstrap(int64_t, volatile int64_t*);
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static int32_t atomic_add_bootstrap(int32_t add_value, volatile int32_t *dest);
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static int32_t atomic_xchg_bootstrap(int32_t exchange_value, volatile int32_t *dest);
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static int32_t atomic_cmpxchg_bootstrap(int32_t compare_value,
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int32_t exchange_value,
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volatile int32_t *dest);
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#endif // !AARCH64
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#endif // OS_CPU_LINUX_ARM_VM_OS_LINUX_ARM_HPP
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