@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-@c 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+@c 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
+@c Free Software Foundation, Inc.
@c This is part of the GCC manual.
@c For copying conditions, see the file gccint.texi.
header. @xref{System Config}.
@menu
-* Host Common:: Things every host probably needs implemented.
+* Host Common:: Things every host probably needs implemented.
* Filesystem:: Your host can't have the letter `a' in filenames?
-* Host Misc:: Rare configuration options for hosts.
+* Host Misc:: Rare configuration options for hosts.
@end menu
@node Host Common
common thing to do in this hook is to detect stack overflow.
@end deftypefn
-@deftypefn {Host Hook} void * HOST_HOOKS_GT_PCH_GET_ADDRESS (size_t @var{size}, int @var{fd})
+@deftypefn {Host Hook} {void *} HOST_HOOKS_GT_PCH_GET_ADDRESS (size_t @
+ @var{size}, int @var{fd})
This host hook returns the address of some space that is likely to be
free in some subsequent invocation of the compiler. We intend to load
the PCH data at this address such that the data need not be relocated.
probing.
@end deftypefn
-@deftypefn {Host Hook} int HOST_HOOKS_GT_PCH_USE_ADDRESS (void * @var{address}, size_t @var{size}, int @var{fd}, size_t @var{offset})
+@deftypefn {Host Hook} int HOST_HOOKS_GT_PCH_USE_ADDRESS (void * @var{address}, @
+ size_t @var{size}, int @var{fd}, size_t @var{offset})
This host hook is called when a PCH file is about to be loaded.
We want to load @var{size} bytes from @var{fd} at @var{offset}
into memory at @var{address}. The given address will be the result of
and such a PCH file won't work.
@end deftypefn
+@deftypefn {Host Hook} size_t HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY (void);
+This host hook returns the alignment required for allocating virtual
+memory. Usually this is the same as getpagesize, but on some hosts the
+alignment for reserving memory differs from the pagesize for committing
+memory.
+@end deftypefn
+
@node Filesystem
@section Host Filesystem
@cindex configuration file
string must fit in fifteen bytes. The full filename will be the
concatenation of: the prefix of the assembler file name, the string
resulting from applying this format to an index number, and a string
-unique to each dump file kind, e.g. @samp{rtl}.
+unique to each dump file kind, e.g.@: @samp{rtl}.
If you do not define this macro, GCC will use @samp{.%02d.}. You should
define this macro if using the default will create an invalid file name.
Define this macro to be a C statement (sans semicolon) that performs
host-dependent removal of ordinary temp files in the compilation driver.
-If you do not define this macro, GCC will use the default version. You
+If you do not define this macro, GCC will use the default version. You
should define this macro if the default version does not reliably remove
the temp file as, for example, on VMS which allows multiple versions
of a file.
+
+@item HOST_LACKS_INODE_NUMBERS
+Define this macro if the host filesystem does not report meaningful inode
+numbers in struct stat.
@end ftable
@node Host Misc
If defined, a C statement (sans semicolon) that performs host-dependent
initialization when a compilation driver is being initialized.
-@item SMALL_ARG_MAX
-Define this macro if the host system has a small limit on the total
-size of an argument vector. This causes the driver to take more care
-not to pass unnecessary arguments to subprocesses.
+@item HOST_LONG_LONG_FORMAT
+If defined, the string used to indicate an argument of type @code{long
+long} to functions like @code{printf}. The default value is
+@code{"ll"}.
+
+@item HOST_LONG_FORMAT
+If defined, the string used to indicate an argument of type @code{long}
+to functions like @code{printf}. The default value is @code{"l"}.
+
+@item HOST_PTR_PRINTF
+If defined, the string used to indicate an argument of type @code{void *}
+to functions like @code{printf}. The default value is @code{"%p"}.
@end ftable
In addition, if @command{configure} generates an incorrect definition of