summaryrefslogtreecommitdiff
path: root/gcc/halfpic.h
diff options
context:
space:
mode:
authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/halfpic.h
initial commit
Diffstat (limited to 'gcc/halfpic.h')
-rwxr-xr-xgcc/halfpic.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/gcc/halfpic.h b/gcc/halfpic.h
new file mode 100755
index 0000000..562121e
--- /dev/null
+++ b/gcc/halfpic.h
@@ -0,0 +1,71 @@
+/* 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 */