/* The host_hooks data structure.
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/* The host_hooks data structure.
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Copyright 2003, 2004, 2007 Free Software Foundation, Inc.
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Copyright 2003, 2004, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_HOST_HOOKS_H
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#ifndef GCC_HOST_HOOKS_H
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#define GCC_HOST_HOOKS_H
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#define GCC_HOST_HOOKS_H
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struct host_hooks
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struct host_hooks
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{
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{
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void (*extra_signals) (void);
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void (*extra_signals) (void);
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/* Identify an address that's likely to be free in a subsequent invocation
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/* Identify an address that's likely to be free in a subsequent invocation
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of the compiler. The area should be able to hold SIZE bytes. FD is an
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of the compiler. The area should be able to hold SIZE bytes. FD is an
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open file descriptor if the host would like to probe with mmap. */
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open file descriptor if the host would like to probe with mmap. */
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void * (*gt_pch_get_address) (size_t size, int fd);
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void * (*gt_pch_get_address) (size_t size, int fd);
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/* ADDR is an address returned by gt_pch_get_address. Attempt to allocate
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/* ADDR is an address returned by gt_pch_get_address. Attempt to allocate
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SIZE bytes at the same address and load it with the data from FD at
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SIZE bytes at the same address and load it with the data from FD at
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OFFSET. Return -1 if we couldn't allocate memory at ADDR, return 0
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OFFSET. Return -1 if we couldn't allocate memory at ADDR, return 0
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if the memory is allocated but the data not loaded, return 1 if done. */
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if the memory is allocated but the data not loaded, return 1 if done. */
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int (*gt_pch_use_address) (void *addr, size_t size, int fd, size_t offset);
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int (*gt_pch_use_address) (void *addr, size_t size, int fd, size_t offset);
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/* Return the alignment required for allocating virtual memory. Usually
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/* Return the alignment required for allocating virtual memory. Usually
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this is the same as pagesize. */
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this is the same as pagesize. */
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size_t (*gt_pch_alloc_granularity) (void);
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size_t (*gt_pch_alloc_granularity) (void);
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/* Whenever you add entries here, make sure you adjust hosthooks-def.h. */
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/* Whenever you add entries here, make sure you adjust hosthooks-def.h. */
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};
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};
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/* Each host provides its own. */
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/* Each host provides its own. */
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extern const struct host_hooks host_hooks;
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extern const struct host_hooks host_hooks;
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#endif /* GCC_LANG_HOOKS_H */
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#endif /* GCC_LANG_HOOKS_H */
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