/* Streamer hooks. Support for adding streamer-specific callbacks to
generic streaming routines.
- Copyright 2011 Free Software Foundation, Inc.
+ Copyright (C) 2011-2015 Free Software Foundation, Inc.
Contributed by Diego Novillo <dnovillo@google.com>
This file is part of GCC.
#ifndef GCC_STREAMER_HOOKS_H
#define GCC_STREAMER_HOOKS_H
-#include "tree.h"
-
/* Forward declarations to avoid including unnecessary headers. */
struct output_block;
struct lto_input_block;
struct data_in;
-struct bitpack_d;
-struct lto_streamer_cache_d;
/* Streamer hooks. These functions do additional processing as
needed by the module. There are two types of callbacks, those that
a tree node. The arguments are: output_block where to write the
node, the tree node to write and a boolean flag that should be true
if the caller wants to write a reference to the tree, instead of the
- tree itself. The referencing mechanism is up to each streamer to
- implement. */
- void (*write_tree) (struct output_block *, tree, bool);
+ tree itself. The second boolean parameter specifies this for
+ the tree itself, the first for all siblings that are streamed.
+ The referencing mechanism is up to each streamer to implement. */
+ void (*write_tree) (struct output_block *, tree, bool, bool);
/* [REQ] Called by every tree streaming routine that needs to read
a tree node. It takes two arguments: an lto_input_block pointing
and descriptors needed by the unpickling routines. It returns the
tree instantiated from the stream. */
tree (*read_tree) (struct lto_input_block *, struct data_in *);
+
+ /* [REQ] Called by every streaming routine that needs to read a location. */
+ void (*input_location) (location_t *, struct bitpack_d *, struct data_in *);
+
+ /* [REQ] Called by every streaming routine that needs to write a location. */
+ void (*output_location) (struct output_block *, struct bitpack_d *, location_t);
};
#define stream_write_tree(OB, EXPR, REF_P) \
- streamer_hooks.write_tree(OB, EXPR, REF_P)
+ streamer_hooks.write_tree (OB, EXPR, REF_P, REF_P)
+
+#define stream_write_tree_shallow_non_ref(OB, EXPR, REF_P) \
+ streamer_hooks.write_tree (OB, EXPR, REF_P, false)
#define stream_read_tree(IB, DATA_IN) \
- streamer_hooks.read_tree(IB, DATA_IN)
+ streamer_hooks.read_tree (IB, DATA_IN)
+
+#define stream_input_location(LOCPTR, BP, DATA_IN) \
+ streamer_hooks.input_location (LOCPTR, BP, DATA_IN)
+
+#define stream_output_location(OB, BP, LOC) \
+ streamer_hooks.output_location (OB, BP, LOC)
/* Streamer hooks. */
extern struct streamer_hooks streamer_hooks;