1*e4b17023SJohn Marino /* The host_hooks data structure. 2*e4b17023SJohn Marino Copyright 2003, 2004, 2007 Free Software Foundation, Inc. 3*e4b17023SJohn Marino 4*e4b17023SJohn Marino This file is part of GCC. 5*e4b17023SJohn Marino 6*e4b17023SJohn Marino GCC is free software; you can redistribute it and/or modify 7*e4b17023SJohn Marino it under the terms of the GNU General Public License as published by 8*e4b17023SJohn Marino the Free Software Foundation; either version 3, or (at your option) 9*e4b17023SJohn Marino any later version. 10*e4b17023SJohn Marino 11*e4b17023SJohn Marino GCC is distributed in the hope that it will be useful, 12*e4b17023SJohn Marino but WITHOUT ANY WARRANTY; without even the implied warranty of 13*e4b17023SJohn Marino MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*e4b17023SJohn Marino GNU General Public License for more details. 15*e4b17023SJohn Marino 16*e4b17023SJohn Marino You should have received a copy of the GNU General Public License 17*e4b17023SJohn Marino along with GCC; see the file COPYING3. If not see 18*e4b17023SJohn Marino <http://www.gnu.org/licenses/>. */ 19*e4b17023SJohn Marino 20*e4b17023SJohn Marino #ifndef GCC_HOST_HOOKS_H 21*e4b17023SJohn Marino #define GCC_HOST_HOOKS_H 22*e4b17023SJohn Marino 23*e4b17023SJohn Marino struct host_hooks 24*e4b17023SJohn Marino { 25*e4b17023SJohn Marino void (*extra_signals) (void); 26*e4b17023SJohn Marino 27*e4b17023SJohn Marino /* Identify an address that's likely to be free in a subsequent invocation 28*e4b17023SJohn Marino of the compiler. The area should be able to hold SIZE bytes. FD is an 29*e4b17023SJohn Marino open file descriptor if the host would like to probe with mmap. */ 30*e4b17023SJohn Marino void * (*gt_pch_get_address) (size_t size, int fd); 31*e4b17023SJohn Marino 32*e4b17023SJohn Marino /* ADDR is an address returned by gt_pch_get_address. Attempt to allocate 33*e4b17023SJohn Marino SIZE bytes at the same address and load it with the data from FD at 34*e4b17023SJohn Marino OFFSET. Return -1 if we couldn't allocate memory at ADDR, return 0 35*e4b17023SJohn Marino if the memory is allocated but the data not loaded, return 1 if done. */ 36*e4b17023SJohn Marino int (*gt_pch_use_address) (void *addr, size_t size, int fd, size_t offset); 37*e4b17023SJohn Marino 38*e4b17023SJohn Marino /* Return the alignment required for allocating virtual memory. Usually 39*e4b17023SJohn Marino this is the same as pagesize. */ 40*e4b17023SJohn Marino size_t (*gt_pch_alloc_granularity) (void); 41*e4b17023SJohn Marino 42*e4b17023SJohn Marino /* Whenever you add entries here, make sure you adjust hosthooks-def.h. */ 43*e4b17023SJohn Marino }; 44*e4b17023SJohn Marino 45*e4b17023SJohn Marino /* Each host provides its own. */ 46*e4b17023SJohn Marino extern const struct host_hooks host_hooks; 47*e4b17023SJohn Marino 48*e4b17023SJohn Marino #endif /* GCC_LANG_HOOKS_H */ 49