/* OSF/rose half-pic support definitions. Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC 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) any later version. GNU CC 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 GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef NO_HALF_PIC #ifdef ANSI_PROTOTYPES union tree_node; /* forward reference */ struct rtx_def; #endif /* Declare the variable flag_half_pic as 'int' instead of 'extern int', so that BSS variables are created (even though this is not strict ANSI). This is because rtl.c now refers to the CONSTANT_ADDRESS_P macro, which in turn refers to flag_half_pic, and wants to call half_pic_address_p, whose address we also store in a BSS variable. This way, the gen* programs won't get unknown symbol errors when being linked (flag_half_pic will never be true in the gen* programs). */ int flag_half_pic; /* Global half-pic flag. */ int (*ptr_half_pic_address_p) (); /* ptr to half_pic_address_p () */ extern int half_pic_number_ptrs; /* # distinct pointers found */ extern int half_pic_number_refs; /* # half-pic references */ extern void half_pic_encode PROTO((union tree_node *)); /* encode whether half-pic */ extern void half_pic_declare PROTO((char *)); /* declare object local */ extern void half_pic_external PROTO((char *)); /* declare object external */ extern void half_pic_init PROTO((void)); /* half_pic initialization */ extern int half_pic_address_p PROTO((struct rtx_def *)); /* true if an address is half-pic */ extern struct rtx_def *half_pic_ptr PROTO((struct rtx_def *)); /* return RTX for half-pic pointer */ /* Can't use prototype since FILE isn't defined yet. */ extern void half_pic_finish (/* FILE * */); /* half_pic termination */ /* Macros to provide access to the half-pic stuff (so they can easily be stubbed out. */ #define HALF_PIC_P() (flag_half_pic) #define HALF_PIC_NUMBER_PTRS (half_pic_number_ptrs) #define HALF_PIC_NUMBER_REFS (half_pic_number_refs) #define HALF_PIC_ENCODE(DECL) half_pic_encode (DECL) #define HALF_PIC_DECLARE(NAME) half_pic_declare (NAME) #define HALF_PIC_EXTERNAL(NAME) half_pic_external (NAME) #define HALF_PIC_INIT() half_pic_init () #define HALF_PIC_FINISH(STREAM) half_pic_finish (STREAM) #define HALF_PIC_ADDRESS_P(X) ((*ptr_half_pic_address_p) (X)) #define HALF_PIC_PTR(X) half_pic_ptr (X) /* Prefix for half-pic names */ #ifndef HALF_PIC_PREFIX #define HALF_PIC_PREFIX "__pic_" #endif #endif /* NO_HALF_PIC */