2009-02-20 Mark Mitchell <mark@codesourcery.com>

[pf3gnuchains/gcc-fork.git] / gcc / hosthooks.h

diff --git a/gcc/hosthooks.h b/gcc/hosthooks.h
index 7b9dba5..e313ffd 100644 (file)
--- a/gcc/hosthooks.h
+++ b/gcc/hosthooks.h
@@ -1,11 +1,11 @@
 /* The host_hooks data structure.
 /* The host_hooks data structure.

-   Copyright 2003 Free Software Foundation, Inc.
+   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
 
 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 2, or (at your option)
+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,
 any later version.
 
 GCC is distributed in the hope that it will be useful,


@@ -14,16 +14,30 @@ 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
 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 COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+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
 
 
 #ifndef GCC_HOST_HOOKS_H
 #define GCC_HOST_HOOKS_H
 

-struct host_hooks 
+struct host_hooks

 {
 {

-  void (*extra_signals) PARAMS((void));
+  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.  */
 };
 
   /* Whenever you add entries here, make sure you adjust hosthooks-def.h.  */
 };