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/* The host_hooks data structure.
Copyright (C) 2003-2017 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC 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 for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_HOST_HOOKS_H
#define GCC_HOST_HOOKS_H
struct host_hooks
{
void (*extra_signals) (void);
/* Identify an address that's likely to be free in a subsequent invocation
of the compiler. The area should be able to hold SIZE bytes. FD is an
open file descriptor if the host would like to probe with mmap. */
void * (*gt_pch_get_address) (size_t size, int fd);
/* ADDR is an address returned by gt_pch_get_address. Attempt to allocate
SIZE bytes at the same address and load it with the data from FD at
OFFSET. Return -1 if we couldn't allocate memory at ADDR, return 0
if the memory is allocated but the data not loaded, return 1 if done. */
int (*gt_pch_use_address) (void *addr, size_t size, int fd, size_t offset);
/* Return the alignment required for allocating virtual memory. Usually
this is the same as pagesize. */
size_t (*gt_pch_alloc_granularity) (void);
/* Whenever you add entries here, make sure you adjust hosthooks-def.h. */
};
/* Each host provides its own. */
extern const struct host_hooks host_hooks;
#endif /* GCC_LANG_HOOKS_H */
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