8sa1-gcc/gcc/tree-streamer.h
Diego Novillo 412288f1c0 data-streamer.h (streamer_write_zero): Rename from output_zero.
* data-streamer.h (streamer_write_zero): Rename from output_zero.
 	(streamer_write_uhwi): Rename from lto_output_uleb128.
 	(streamer_write_hwi): Rename from output_sleb128.
 	(streamer_write_string): Rename from lto_output_string.
 	(streamer_string_index): Rename from lto_string_index.
 	(streamer_write_string_with_length): Rename from
 	lto_output_string_with_length.
 	(streamer_write_uhwi_stream): Rename from lto_output_uleb128_stream.
 	(streamer_write_hwi_stream): Rename from lto_output_sleb128_stream.
 	(streamer_read_string): Rename from lto_input_string.
 	(streamer_read_indexed_string): Rename from input_string_internal.
 	(streamer_read_uhwi): Rename from lto_input_uleb128.
 	(streamer_read_hwi): Rename from lto_input_sleb128.
 	(streamer_write_hwi_in_range): Rename from lto_output_int_in_range.
 	(streamer_read_hwi_in_range): Rename from lto_input_int_in_range.
 	(streamer_write_enum): Rename from lto_output_enum.
 	(streamer_read_enum): Rename from lto_input_enum.
 	(streamer_write_record_start): Rename from output_record_start.
 	(streamer_read_record_start): Rename from input_record_start.
 	(streamer_write_bitpack): Rename from lto_output_bitpack.
 	(streamer_read_bitpack): Rename from lto_input_bitpack.
 	(streamer_write_char_stream): Rename from lto_output_1_stream.
 	(streamer_read_uchar): Rename from lto_input_1_unsigned.
 	* tree-streamer.h (streamer_cache_d): Rename from lto_streamer_cache_d.
 	(streamer_handle_as_builtin_p): Rename from lto_stream_as_builtin_p.
 	(streamer_read_string_cst): Rename from input_string_cst.
 	(streamer_read_chain): Rename from lto_input_chain.
 	(streamer_alloc_tree): Rename from lto_materialize_tree.
 	(streamer_read_tree_body): Rename from lto_input_tree_pointers.
 	(streamer_get_pickled_tree): Rename from lto_get_pickled_tree.
 	(streamer_get_builtin_tree): Rename from lto_get_builtin_tree.
 	(streamer_read_integer_cst): Rename from lto_input_integer_cst.
 	(streamer_read_tree_bitfields): Rename from tree_read_bitfields.
 	(streamer_write_chain): Rename from lto_output_chain.
 	(streamer_write_tree_header): Rename from lto_output_tree_header.
 	(streamer_pack_tree_bitfields): Rename from pack_value_fields.
 	(streamer_write_tree_body): Rename from lto_output_tree_pointers.
 	(streamer_write_integer_cst): Rename from lto_output_integer_cst.
 	(streamer_write_builtin): Rename from lto_output_builtin_tree.
 	(streamer_check_handled_ts_structures): Rename from
 	check_handled_ts_structures.
 	(streamer_tree_cache_insert): Rename from lto_streamer_cache_insert.
 	(streamer_tree_cache_insert_at): Rename from
 	lto_streamer_cache_insert_at.
 	(streamer_tree_cache_append): Rename from lto_streamer_cache_append.
 	(streamer_tree_cache_lookup): Rename from lto_streamer_cache_lookup.
 	(streamer_tree_cache_get): Rename from lto_streamer_cache_get.
 	(streamer_tree_cache_create): Rename from lto_streamer_cache_create.
 	(streamer_tree_cache_delete): Rename from lto_streamer_cache_delete.
 	* tree-streamer-out.c (write_string_cst): Rename from output_string_cst.
 	(write_identifier): Rename from output_identifier.
 	(write_ts_common_tree_pointers): Rename from
 	lto_output_ts_common_tree_pointers.
 	(write_ts_vector_tree_pointers): Rename from
 	lto_output_ts_vector_tree_pointers.
 	(write_ts_complex_tree_pointers): Rename from
 	lto_output_ts_complex_tree_pointers.
 	(write_ts_decl_minimal_tree_pointers): Rename from
 	lto_output_ts_decl_minimal_tree_pointers.
 	(write_ts_decl_common_tree_pointers): Rename from
 	lto_output_ts_decl_common_tree_pointers.
 	(write_ts_decl_non_common_tree_pointers): Rename from
 	lto_output_ts_decl_non_common_tree_pointers.
 	(write_ts_decl_with_vis_tree_pointers): Rename from
 	lto_output_ts_decl_with_vis_tree_pointers.
 	(write_ts_field_decl_tree_pointers): Rename from
 	lto_output_ts_field_decl_tree_pointers.
 	(write_ts_function_decl_tree_pointers): Rename from
 	lto_output_ts_function_decl_tree_pointers.
 	(write_ts_type_common_tree_pointers): Rename from
 	lto_output_ts_type_common_tree_pointers.
 	(write_ts_type_non_common_tree_pointers): Rename from
 	lto_output_ts_type_non_common_tree_pointers.
 	(write_ts_list_tree_pointers): Rename from
 	lto_output_ts_list_tree_pointers.
 	(write_ts_vec_tree_pointers): Rename from
 	lto_output_ts_vec_tree_pointers.
 	(write_ts_exp_tree_pointers): Rename from
 	lto_output_ts_exp_tree_pointers.
 	(write_ts_block_tree_pointers): Rename from
 	lto_output_ts_block_tree_pointers.
 	(write_ts_binfo_tree_pointers): Rename from
 	lto_output_ts_binfo_tree_pointers.
 	(write_ts_constructor_tree_pointers): Rename from
 	lto_output_ts_constructor_tree_pointers.
 	(write_ts_target_option): Rename from
 	lto_output_ts_target_option.
 	(write_ts_translation_unit_decl_tree_pointers): Rename from
 	lto_output_ts_translation_unit_decl_tree_pointers.
 	* tree-streamer.c (streamer_tree_cache_add_to_node_array):
 	Rename from lto_streamer_cache_add_to_node_array.
 	(streamer_tree_cache_insert_1): Rename from lto_streamer_cache_insert_1.
 	(record_common_node): Rename from lto_record_common_node.

	* streamer-hooks.h (bitpack_d, lto_streamer_cache_d): Remove forward
	declarations.
	* data-streamer-in.c (lto_input_widest_uint_uleb128): Remove unused
	function.
	* data-streamer-out.c (lto_output_widest_uint_uleb128_stream): Remove
	unused function.
	* Makefile.in (lto-section-out.o): Add dependency on DATA_STREAMER_H.
	(ipa-reference.o): Likewise.
	* lto-section-out.c: Include data-streamer.h.
	* ipa-reference.c: Include data-streamer.h.

From-SVN: r177704
2011-08-12 12:42:13 -04:00

99 lines
4.0 KiB
C

/* Data structures and functions for streaming trees.
Copyright 2011 Free Software Foundation, Inc.
Contributed by Diego Novillo <dnovillo@google.com>
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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_TREE_STREAMER_H
#define GCC_TREE_STREAMER_H
#include "tree.h"
#include "streamer-hooks.h"
#include "lto-streamer.h"
/* Cache of pickled nodes. Used to avoid writing the same node more
than once. The first time a tree node is streamed out, it is
entered in this cache. Subsequent references to the same node are
resolved by looking it up in this cache.
This is used in two ways:
- On the writing side, the first time T is added to STREAMER_CACHE,
a new reference index is created for T and T is emitted on the
stream. If T needs to be emitted again to the stream, instead of
pickling it again, the reference index is emitted.
- On the reading side, the first time T is read from the stream, it
is reconstructed in memory and a new reference index created for
T. The reconstructed T is inserted in some array so that when
the reference index for T is found in the input stream, it can be
used to look up into the array to get the reconstructed T. */
struct streamer_tree_cache_d
{
/* The mapping between tree nodes and slots into the nodes array. */
struct pointer_map_t *node_map;
/* The nodes pickled so far. */
VEC(tree,heap) *nodes;
};
/* Return true if tree node EXPR should be streamed as a builtin. For
these nodes, we just emit the class and function code. */
static inline bool
streamer_handle_as_builtin_p (tree expr)
{
return (TREE_CODE (expr) == FUNCTION_DECL
&& DECL_IS_BUILTIN (expr)
&& (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL
|| DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD));
}
/* In tree-streamer-in.c. */
tree streamer_read_string_cst (struct data_in *, struct lto_input_block *);
tree streamer_read_chain (struct lto_input_block *, struct data_in *);
tree streamer_alloc_tree (struct lto_input_block *, struct data_in *,
enum LTO_tags);
void streamer_read_tree_body (struct lto_input_block *, struct data_in *, tree);
tree streamer_get_pickled_tree (struct lto_input_block *, struct data_in *);
tree streamer_get_builtin_tree (struct lto_input_block *, struct data_in *);
tree streamer_read_integer_cst (struct lto_input_block *, struct data_in *);
struct bitpack_d streamer_read_tree_bitfields (struct lto_input_block *, tree);
/* In tree-streamer-out.c. */
void streamer_write_chain (struct output_block *, tree, bool);
void streamer_write_tree_header (struct output_block *, tree);
void streamer_pack_tree_bitfields (struct bitpack_d *, tree);
void streamer_write_tree_body (struct output_block *, tree, bool);
void streamer_write_integer_cst (struct output_block *, tree, bool);
void streamer_write_builtin (struct output_block *, tree);
/* In tree-streamer.c. */
void streamer_check_handled_ts_structures (void);
bool streamer_tree_cache_insert (struct streamer_tree_cache_d *, tree,
unsigned *);
bool streamer_tree_cache_insert_at (struct streamer_tree_cache_d *, tree,
unsigned);
void streamer_tree_cache_append (struct streamer_tree_cache_d *, tree);
bool streamer_tree_cache_lookup (struct streamer_tree_cache_d *, tree,
unsigned *);
tree streamer_tree_cache_get (struct streamer_tree_cache_d *, unsigned);
struct streamer_tree_cache_d *streamer_tree_cache_create (void);
void streamer_tree_cache_delete (struct streamer_tree_cache_d *);
#endif /* GCC_TREE_STREAMER_H */