59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright (C) 2013-2021 Free Software Foundation, Inc.
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This file is part of GCC.
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2, or
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(at your option) any later version.
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In addition to the permissions in the GNU Library General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Library Public License restrictions do apply in other
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respects; for example, they cover modification of the file, and
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distribution when not linked into a combined executable.)
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef __VTV_H__
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#define __VTV_H__
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/* We could have used an enumeration here but it just makes it more
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difficult for the compiler to generate a call to this. These are
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used as arguments to the function __VLTChangePermission, declared
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below. */
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#define __VLTP_READ_ONLY 0
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#define __VLTP_READ_WRITE 1
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#ifdef __cplusplus
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extern "C" void __VLTChangePermission (int);
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#else
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extern void __VLTChangePermission (int);
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#endif
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#ifdef BIG_PAGE_SIZE
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/* TODO - Replace '4096' below with correct big page size. */
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#define VTV_PAGE_SIZE 4096
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#else
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#if defined(__sun__) && defined(__svr4__) && defined(__sparc__)
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#define VTV_PAGE_SIZE 8192
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#else
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#define VTV_PAGE_SIZE 4096
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#endif
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#endif
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#endif /* __VTV_H__ */
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