| /* 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 */ |