1*38fd1498Szrj /* The host_hooks data structure. 2*38fd1498Szrj Copyright (C) 2003-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify 7*38fd1498Szrj it under the terms of the GNU General Public License as published by 8*38fd1498Szrj the Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj any later version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, 12*38fd1498Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_HOST_HOOKS_H 21*38fd1498Szrj #define GCC_HOST_HOOKS_H 22*38fd1498Szrj 23*38fd1498Szrj struct host_hooks 24*38fd1498Szrj { 25*38fd1498Szrj void (*extra_signals) (void); 26*38fd1498Szrj 27*38fd1498Szrj /* Identify an address that's likely to be free in a subsequent invocation 28*38fd1498Szrj of the compiler. The area should be able to hold SIZE bytes. FD is an 29*38fd1498Szrj open file descriptor if the host would like to probe with mmap. */ 30*38fd1498Szrj void * (*gt_pch_get_address) (size_t size, int fd); 31*38fd1498Szrj 32*38fd1498Szrj /* ADDR is an address returned by gt_pch_get_address. Attempt to allocate 33*38fd1498Szrj SIZE bytes at the same address and load it with the data from FD at 34*38fd1498Szrj OFFSET. Return -1 if we couldn't allocate memory at ADDR, return 0 35*38fd1498Szrj if the memory is allocated but the data not loaded, return 1 if done. */ 36*38fd1498Szrj int (*gt_pch_use_address) (void *addr, size_t size, int fd, size_t offset); 37*38fd1498Szrj 38*38fd1498Szrj /* Return the alignment required for allocating virtual memory. Usually 39*38fd1498Szrj this is the same as pagesize. */ 40*38fd1498Szrj size_t (*gt_pch_alloc_granularity) (void); 41*38fd1498Szrj 42*38fd1498Szrj /* Whenever you add entries here, make sure you adjust hosthooks-def.h. */ 43*38fd1498Szrj }; 44*38fd1498Szrj 45*38fd1498Szrj /* Each host provides its own. */ 46*38fd1498Szrj extern const struct host_hooks host_hooks; 47*38fd1498Szrj 48*38fd1498Szrj #endif /* GCC_LANG_HOOKS_H */ 49