Subversion Repositories openrisc

/* Target hook definitions for C-family front ends.

   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,

   2011

   Free Software Foundation, Inc.

   This program 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.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   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

   along with this program; see the file COPYING3.  If not see

   .  */

/* See target-hooks-macros.h for details of macros that should be

   provided by the including file, and how to use them here.  */

#include "target-hooks-macros.h"

#undef HOOK_TYPE

#define HOOK_TYPE "C Target Hook"

HOOK_VECTOR (TARGETCM_INITIALIZER, gcc_targetcm)

#undef HOOK_PREFIX

#define HOOK_PREFIX "TARGET_"

/* Handle target switch CODE (an OPT_* value).  ARG is the argument

   passed to the switch; it is NULL if no argument was.  VALUE is the

   value of ARG if CODE specifies a UInteger option, otherwise it is

   1 if the positive form of the switch was used and 0 if the negative

   form was.  Return true if the switch was valid.  */

DEFHOOK

(handle_c_option,

 "",

 bool, (size_t code, const char *arg, int value),

 default_handle_c_option)

/* Targets may provide a string object type that can be used within

   and between C, C++, and Objective-C dialects.  */

DEFHOOK

(objc_construct_string_object,

 "Targets may provide a string object type that can be used within\

 and between C, C++ and their respective Objective-C dialects.\

 A string object might, for example, embed encoding and length information.\

 These objects are considered opaque to the compiler and handled as references.\

 An ideal implementation makes the composition of the string object\

 match that of the Objective-C @code{NSString} (@code{NXString} for GNUStep),\

 allowing efficient interworking between C-only and Objective-C code.\

 If a target implements string objects then this hook should return a\

 reference to such an object constructed from the normal `C' string\

 representation provided in @var{string}.\

 At present, the hook is used by Objective-C only, to obtain a\

 common-format string object when the target provides one.",

 tree, (tree string),

 NULL)

DEFHOOK

(string_object_ref_type_p,

 "If a target implements string objects then this hook should return\

 @code{true} if @var{stringref} is a valid reference to such an object.",

 bool, (const_tree stringref),

 hook_bool_const_tree_false)

DEFHOOK

(check_string_object_format_arg,

 "If a target implements string objects then this hook should should\

  provide a facility to check the function arguments in @var{args_list}\

  against the format specifiers in @var{format_arg} where the type of\

  @var{format_arg} is one recognized as a valid string reference type.",

 void, (tree format_arg, tree args_list),

 NULL)

HOOK_VECTOR_END (C90_EMPTY_HACK)