view gcc/hosthooks.h @ 55:77e2b8dfacca gcc-4.4.5

update it from 4.4.3 to 4.5.0
author ryoma <>
date Fri, 12 Feb 2010 23:39:51 +0900
parents a06113de4d67
children 04ced10e8804
line wrap: on
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/* The host_hooks data structure.
   Copyright 2003, 2004, 2007 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
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
<>.  */


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 */