| /* OSF/rose half-pic support definitions. |
| Copyright (C) 1992, 1996, 1997, 1998, 2000 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 2, 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 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 GCC; 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 |
| |
| /* 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) PARAMS ((struct rtx_def *)); /* 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 PARAMS ((union tree_node *)); /* encode whether half-pic */ |
| extern void half_pic_declare PARAMS ((const char *)); /* declare object local */ |
| extern void half_pic_external PARAMS ((const char *)); /* declare object external */ |
| extern void half_pic_init PARAMS ((void)); /* half_pic initialization */ |
| extern int half_pic_address_p PARAMS ((struct rtx_def *)); /* true if an address is half-pic */ |
| extern struct rtx_def *half_pic_ptr PARAMS ((struct rtx_def *)); /* return RTX for half-pic pointer */ |
| #ifdef BUFSIZ |
| extern void half_pic_finish PARAMS ((FILE *)); /* half_pic termination */ |
| #endif |
| |
| /* 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 */ |