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jeremybenn |
/* Routines for reading trees from a file stream.
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Copyright 2011 Free Software Foundation, Inc.
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Contributed by Diego Novillo <dnovillo@google.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "diagnostic.h"
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#include "tree.h"
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#include "tree-flow.h"
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#include "tree-streamer.h"
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#include "data-streamer.h"
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#include "streamer-hooks.h"
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#include "lto-streamer.h"
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/* Read a STRING_CST from the string table in DATA_IN using input
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block IB. */
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tree
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streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib)
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{
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unsigned int len;
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const char * ptr;
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ptr = streamer_read_indexed_string (data_in, ib, &len);
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if (!ptr)
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return NULL;
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return build_string (len, ptr);
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}
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/* Read an IDENTIFIER from the string table in DATA_IN using input
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block IB. */
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static tree
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input_identifier (struct data_in *data_in, struct lto_input_block *ib)
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{
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unsigned int len;
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const char *ptr;
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ptr = streamer_read_indexed_string (data_in, ib, &len);
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if (!ptr)
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return NULL;
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return get_identifier_with_length (ptr, len);
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}
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/* Read a chain of tree nodes from input block IB. DATA_IN contains
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tables and descriptors for the file being read. */
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tree
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streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in)
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{
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int i, count;
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tree first, prev, curr;
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first = prev = NULL_TREE;
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count = streamer_read_hwi (ib);
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for (i = 0; i < count; i++)
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{
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curr = stream_read_tree (ib, data_in);
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if (prev)
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TREE_CHAIN (prev) = curr;
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else
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first = curr;
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TREE_CHAIN (curr) = NULL_TREE;
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prev = curr;
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}
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return first;
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}
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/* Unpack all the non-pointer fields of the TS_BASE structure of
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expression EXPR from bitpack BP. */
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static void
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unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
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{
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/* Note that the code for EXPR has already been unpacked to create EXPR in
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streamer_alloc_tree. */
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if (!TYPE_P (expr))
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{
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TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
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/* TREE_PUBLIC is used on types to indicate that the type
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has a TYPE_CACHED_VALUES vector. This is not streamed out,
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so we skip it here. */
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TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
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}
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else
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bp_unpack_value (bp, 4);
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TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (DECL_P (expr))
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DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
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else if (TYPE_P (expr))
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TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
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else
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bp_unpack_value (bp, 1);
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TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (TYPE_P (expr))
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TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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else
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TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_USED (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
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TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (TYPE_P (expr))
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{
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TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
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TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
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}
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else if (TREE_CODE (expr) == SSA_NAME)
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SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
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else
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bp_unpack_value (bp, 1);
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}
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/* Unpack all the non-pointer fields of the TS_REAL_CST structure of
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expression EXPR from bitpack BP. */
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static void
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unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
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{
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unsigned i;
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REAL_VALUE_TYPE r;
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REAL_VALUE_TYPE *rp;
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r.cl = (unsigned) bp_unpack_value (bp, 2);
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r.decimal = (unsigned) bp_unpack_value (bp, 1);
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r.sign = (unsigned) bp_unpack_value (bp, 1);
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r.signalling = (unsigned) bp_unpack_value (bp, 1);
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r.canonical = (unsigned) bp_unpack_value (bp, 1);
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r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
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for (i = 0; i < SIGSZ; i++)
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r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
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rp = ggc_alloc_real_value ();
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memcpy (rp, &r, sizeof (REAL_VALUE_TYPE));
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TREE_REAL_CST_PTR (expr) = rp;
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}
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/* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
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expression EXPR from bitpack BP. */
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static void
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unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
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{
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struct fixed_value fv;
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fv.mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
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fv.data.low = bp_unpack_var_len_int (bp);
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fv.data.high = bp_unpack_var_len_int (bp);
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TREE_FIXED_CST (expr) = fv;
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}
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/* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
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of expression EXPR from bitpack BP. */
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static void
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unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
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{
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DECL_MODE (expr) = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
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DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_DEBUG_EXPR_IS_FROM (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp);
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if (TREE_CODE (expr) == LABEL_DECL)
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{
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DECL_ERROR_ISSUED (expr) = (unsigned) bp_unpack_value (bp, 1);
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EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
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/* Always assume an initial value of -1 for LABEL_DECL_UID to
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force gimple_set_bb to recreate label_to_block_map. */
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LABEL_DECL_UID (expr) = -1;
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}
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if (TREE_CODE (expr) == FIELD_DECL)
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{
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DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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expr->decl_common.off_align = bp_unpack_value (bp, 8);
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}
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if (TREE_CODE (expr) == RESULT_DECL
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|| TREE_CODE (expr) == PARM_DECL
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|| TREE_CODE (expr) == VAR_DECL)
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{
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DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (TREE_CODE (expr) == VAR_DECL
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|| TREE_CODE (expr) == PARM_DECL)
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DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_RESTRICTED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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}
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}
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/* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
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of expression EXPR from bitpack BP. */
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static void
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unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
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{
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DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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}
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/* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
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of expression EXPR from bitpack BP. */
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static void
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unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
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{
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DECL_DEFER_OUTPUT (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
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DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (TREE_CODE (expr) == VAR_DECL)
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{
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DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IN_TEXT_SECTION (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_TLS_MODEL (expr) = (enum tls_model) bp_unpack_value (bp, 3);
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}
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if (VAR_OR_FUNCTION_DECL_P (expr))
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{
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priority_type p;
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p = (priority_type) bp_unpack_var_len_unsigned (bp);
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SET_DECL_INIT_PRIORITY (expr, p);
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}
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}
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/* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
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of expression EXPR from bitpack BP. */
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static void
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unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
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{
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DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class,
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BUILT_IN_LAST);
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DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
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= (unsigned) bp_unpack_value (bp, 1);
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DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
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if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
|
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{
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DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp,
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11);
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if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL
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&& DECL_FUNCTION_CODE (expr) >= END_BUILTINS)
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fatal_error ("machine independent builtin code out of range");
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307 |
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else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD)
|
308 |
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{
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309 |
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tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true);
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310 |
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if (!result || result == error_mark_node)
|
311 |
|
|
fatal_error ("target specific builtin not available");
|
312 |
|
|
}
|
313 |
|
|
}
|
314 |
|
|
if (DECL_STATIC_DESTRUCTOR (expr))
|
315 |
|
|
{
|
316 |
|
|
priority_type p;
|
317 |
|
|
p = (priority_type) bp_unpack_var_len_unsigned (bp);
|
318 |
|
|
SET_DECL_FINI_PRIORITY (expr, p);
|
319 |
|
|
}
|
320 |
|
|
}
|
321 |
|
|
|
322 |
|
|
|
323 |
|
|
/* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
|
324 |
|
|
of expression EXPR from bitpack BP. */
|
325 |
|
|
|
326 |
|
|
static void
|
327 |
|
|
unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
|
328 |
|
|
{
|
329 |
|
|
enum machine_mode mode;
|
330 |
|
|
|
331 |
|
|
mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
|
332 |
|
|
SET_TYPE_MODE (expr, mode);
|
333 |
|
|
TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
|
334 |
|
|
TYPE_NO_FORCE_BLK (expr) = (unsigned) bp_unpack_value (bp, 1);
|
335 |
|
|
TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1);
|
336 |
|
|
if (RECORD_OR_UNION_TYPE_P (expr))
|
337 |
|
|
TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
|
338 |
|
|
TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
|
339 |
|
|
TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
|
340 |
|
|
TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)
|
341 |
|
|
= (unsigned) bp_unpack_value (bp, 2);
|
342 |
|
|
TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
|
343 |
|
|
TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
|
344 |
|
|
TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
|
345 |
|
|
TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp);
|
346 |
|
|
TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp);
|
347 |
|
|
}
|
348 |
|
|
|
349 |
|
|
|
350 |
|
|
/* Unpack all the non-pointer fields of the TS_BLOCK structure
|
351 |
|
|
of expression EXPR from bitpack BP. */
|
352 |
|
|
|
353 |
|
|
static void
|
354 |
|
|
unpack_ts_block_value_fields (struct bitpack_d *bp, tree expr)
|
355 |
|
|
{
|
356 |
|
|
BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1);
|
357 |
|
|
/* BLOCK_NUMBER is recomputed. */
|
358 |
|
|
}
|
359 |
|
|
|
360 |
|
|
/* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
|
361 |
|
|
structure of expression EXPR from bitpack BP. */
|
362 |
|
|
|
363 |
|
|
static void
|
364 |
|
|
unpack_ts_translation_unit_decl_value_fields (struct bitpack_d *bp ATTRIBUTE_UNUSED, tree expr ATTRIBUTE_UNUSED)
|
365 |
|
|
{
|
366 |
|
|
}
|
367 |
|
|
|
368 |
|
|
/* Unpack all the non-pointer fields in EXPR into a bit pack. */
|
369 |
|
|
|
370 |
|
|
static void
|
371 |
|
|
unpack_value_fields (struct bitpack_d *bp, tree expr)
|
372 |
|
|
{
|
373 |
|
|
enum tree_code code;
|
374 |
|
|
|
375 |
|
|
code = TREE_CODE (expr);
|
376 |
|
|
|
377 |
|
|
/* Note that all these functions are highly sensitive to changes in
|
378 |
|
|
the types and sizes of each of the fields being packed. */
|
379 |
|
|
unpack_ts_base_value_fields (bp, expr);
|
380 |
|
|
|
381 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
382 |
|
|
unpack_ts_real_cst_value_fields (bp, expr);
|
383 |
|
|
|
384 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
385 |
|
|
unpack_ts_fixed_cst_value_fields (bp, expr);
|
386 |
|
|
|
387 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
388 |
|
|
unpack_ts_decl_common_value_fields (bp, expr);
|
389 |
|
|
|
390 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
391 |
|
|
unpack_ts_decl_wrtl_value_fields (bp, expr);
|
392 |
|
|
|
393 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
394 |
|
|
unpack_ts_decl_with_vis_value_fields (bp, expr);
|
395 |
|
|
|
396 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
397 |
|
|
unpack_ts_function_decl_value_fields (bp, expr);
|
398 |
|
|
|
399 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
400 |
|
|
unpack_ts_type_common_value_fields (bp, expr);
|
401 |
|
|
|
402 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
403 |
|
|
unpack_ts_block_value_fields (bp, expr);
|
404 |
|
|
|
405 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
406 |
|
|
unpack_ts_translation_unit_decl_value_fields (bp, expr);
|
407 |
|
|
}
|
408 |
|
|
|
409 |
|
|
|
410 |
|
|
/* Read all the language-independent bitfield values for EXPR from IB.
|
411 |
|
|
Return the partially unpacked bitpack so the caller can unpack any other
|
412 |
|
|
bitfield values that the writer may have written. */
|
413 |
|
|
|
414 |
|
|
struct bitpack_d
|
415 |
|
|
streamer_read_tree_bitfields (struct lto_input_block *ib, tree expr)
|
416 |
|
|
{
|
417 |
|
|
enum tree_code code;
|
418 |
|
|
struct bitpack_d bp;
|
419 |
|
|
|
420 |
|
|
/* Read the bitpack of non-pointer values from IB. */
|
421 |
|
|
bp = streamer_read_bitpack (ib);
|
422 |
|
|
|
423 |
|
|
/* The first word in BP contains the code of the tree that we
|
424 |
|
|
are about to read. */
|
425 |
|
|
code = (enum tree_code) bp_unpack_value (&bp, 16);
|
426 |
|
|
lto_tag_check (lto_tree_code_to_tag (code),
|
427 |
|
|
lto_tree_code_to_tag (TREE_CODE (expr)));
|
428 |
|
|
|
429 |
|
|
/* Unpack all the value fields from BP. */
|
430 |
|
|
unpack_value_fields (&bp, expr);
|
431 |
|
|
|
432 |
|
|
return bp;
|
433 |
|
|
}
|
434 |
|
|
|
435 |
|
|
|
436 |
|
|
/* Materialize a new tree from input block IB using descriptors in
|
437 |
|
|
DATA_IN. The code for the new tree should match TAG. Store in
|
438 |
|
|
*IX_P the index into the reader cache where the new tree is stored. */
|
439 |
|
|
|
440 |
|
|
tree
|
441 |
|
|
streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in,
|
442 |
|
|
enum LTO_tags tag)
|
443 |
|
|
{
|
444 |
|
|
enum tree_code code;
|
445 |
|
|
tree result;
|
446 |
|
|
#ifdef LTO_STREAMER_DEBUG
|
447 |
|
|
HOST_WIDEST_INT orig_address_in_writer;
|
448 |
|
|
#endif
|
449 |
|
|
|
450 |
|
|
result = NULL_TREE;
|
451 |
|
|
|
452 |
|
|
#ifdef LTO_STREAMER_DEBUG
|
453 |
|
|
/* Read the word representing the memory address for the tree
|
454 |
|
|
as it was written by the writer. This is useful when
|
455 |
|
|
debugging differences between the writer and reader. */
|
456 |
|
|
orig_address_in_writer = streamer_read_hwi (ib);
|
457 |
|
|
gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer);
|
458 |
|
|
#endif
|
459 |
|
|
|
460 |
|
|
code = lto_tag_to_tree_code (tag);
|
461 |
|
|
|
462 |
|
|
/* We should never see an SSA_NAME tree. Only the version numbers of
|
463 |
|
|
SSA names are ever written out. See input_ssa_names. */
|
464 |
|
|
gcc_assert (code != SSA_NAME);
|
465 |
|
|
|
466 |
|
|
/* Instantiate a new tree using the header data. */
|
467 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
468 |
|
|
result = streamer_read_string_cst (data_in, ib);
|
469 |
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
470 |
|
|
result = input_identifier (data_in, ib);
|
471 |
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
472 |
|
|
{
|
473 |
|
|
HOST_WIDE_INT len = streamer_read_hwi (ib);
|
474 |
|
|
result = make_tree_vec (len);
|
475 |
|
|
}
|
476 |
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
477 |
|
|
{
|
478 |
|
|
unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
|
479 |
|
|
result = make_tree_binfo (len);
|
480 |
|
|
}
|
481 |
|
|
else if (code == CALL_EXPR)
|
482 |
|
|
{
|
483 |
|
|
unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
|
484 |
|
|
return build_vl_exp (CALL_EXPR, nargs + 3);
|
485 |
|
|
}
|
486 |
|
|
else
|
487 |
|
|
{
|
488 |
|
|
/* For all other nodes, materialize the tree with a raw
|
489 |
|
|
make_node call. */
|
490 |
|
|
result = make_node (code);
|
491 |
|
|
}
|
492 |
|
|
|
493 |
|
|
#ifdef LTO_STREAMER_DEBUG
|
494 |
|
|
/* Store the original address of the tree as seen by the writer
|
495 |
|
|
in RESULT's aux field. This is useful when debugging streaming
|
496 |
|
|
problems. This way, a debugging session can be started on
|
497 |
|
|
both writer and reader with a breakpoint using this address
|
498 |
|
|
value in both. */
|
499 |
|
|
lto_orig_address_map (result, (intptr_t) orig_address_in_writer);
|
500 |
|
|
#endif
|
501 |
|
|
|
502 |
|
|
return result;
|
503 |
|
|
}
|
504 |
|
|
|
505 |
|
|
|
506 |
|
|
/* Read all pointer fields in the TS_COMMON structure of EXPR from input
|
507 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
508 |
|
|
file being read. */
|
509 |
|
|
|
510 |
|
|
|
511 |
|
|
static void
|
512 |
|
|
lto_input_ts_common_tree_pointers (struct lto_input_block *ib,
|
513 |
|
|
struct data_in *data_in, tree expr)
|
514 |
|
|
{
|
515 |
|
|
if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
516 |
|
|
TREE_TYPE (expr) = stream_read_tree (ib, data_in);
|
517 |
|
|
}
|
518 |
|
|
|
519 |
|
|
|
520 |
|
|
/* Read all pointer fields in the TS_VECTOR structure of EXPR from input
|
521 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
522 |
|
|
file being read. */
|
523 |
|
|
|
524 |
|
|
static void
|
525 |
|
|
lto_input_ts_vector_tree_pointers (struct lto_input_block *ib,
|
526 |
|
|
struct data_in *data_in, tree expr)
|
527 |
|
|
{
|
528 |
|
|
TREE_VECTOR_CST_ELTS (expr) = streamer_read_chain (ib, data_in);
|
529 |
|
|
}
|
530 |
|
|
|
531 |
|
|
|
532 |
|
|
/* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
|
533 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
534 |
|
|
file being read. */
|
535 |
|
|
|
536 |
|
|
static void
|
537 |
|
|
lto_input_ts_complex_tree_pointers (struct lto_input_block *ib,
|
538 |
|
|
struct data_in *data_in, tree expr)
|
539 |
|
|
{
|
540 |
|
|
TREE_REALPART (expr) = stream_read_tree (ib, data_in);
|
541 |
|
|
TREE_IMAGPART (expr) = stream_read_tree (ib, data_in);
|
542 |
|
|
}
|
543 |
|
|
|
544 |
|
|
|
545 |
|
|
/* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
546 |
|
|
from input block IB. DATA_IN contains tables and descriptors for the
|
547 |
|
|
file being read. */
|
548 |
|
|
|
549 |
|
|
static void
|
550 |
|
|
lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib,
|
551 |
|
|
struct data_in *data_in, tree expr)
|
552 |
|
|
{
|
553 |
|
|
DECL_NAME (expr) = stream_read_tree (ib, data_in);
|
554 |
|
|
DECL_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
555 |
|
|
DECL_SOURCE_LOCATION (expr) = lto_input_location (ib, data_in);
|
556 |
|
|
}
|
557 |
|
|
|
558 |
|
|
|
559 |
|
|
/* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
|
560 |
|
|
input block IB. DATA_IN contains tables and descriptors for the
|
561 |
|
|
file being read. */
|
562 |
|
|
|
563 |
|
|
static void
|
564 |
|
|
lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib,
|
565 |
|
|
struct data_in *data_in, tree expr)
|
566 |
|
|
{
|
567 |
|
|
DECL_SIZE (expr) = stream_read_tree (ib, data_in);
|
568 |
|
|
DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
569 |
|
|
DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
570 |
|
|
|
571 |
|
|
/* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information
|
572 |
|
|
for early inlining so drop it on the floor instead of ICEing in
|
573 |
|
|
dwarf2out.c. */
|
574 |
|
|
|
575 |
|
|
if (TREE_CODE (expr) == PARM_DECL)
|
576 |
|
|
TREE_CHAIN (expr) = streamer_read_chain (ib, data_in);
|
577 |
|
|
|
578 |
|
|
if ((TREE_CODE (expr) == VAR_DECL
|
579 |
|
|
|| TREE_CODE (expr) == PARM_DECL)
|
580 |
|
|
&& DECL_HAS_VALUE_EXPR_P (expr))
|
581 |
|
|
SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
|
582 |
|
|
|
583 |
|
|
if (TREE_CODE (expr) == VAR_DECL)
|
584 |
|
|
{
|
585 |
|
|
tree dexpr = stream_read_tree (ib, data_in);
|
586 |
|
|
if (dexpr)
|
587 |
|
|
SET_DECL_DEBUG_EXPR (expr, dexpr);
|
588 |
|
|
}
|
589 |
|
|
}
|
590 |
|
|
|
591 |
|
|
|
592 |
|
|
/* Read all pointer fields in the TS_DECL_NON_COMMON structure of
|
593 |
|
|
EXPR from input block IB. DATA_IN contains tables and descriptors for the
|
594 |
|
|
file being read. */
|
595 |
|
|
|
596 |
|
|
static void
|
597 |
|
|
lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib,
|
598 |
|
|
struct data_in *data_in, tree expr)
|
599 |
|
|
{
|
600 |
|
|
if (TREE_CODE (expr) == FUNCTION_DECL)
|
601 |
|
|
{
|
602 |
|
|
DECL_ARGUMENTS (expr) = stream_read_tree (ib, data_in);
|
603 |
|
|
DECL_RESULT (expr) = stream_read_tree (ib, data_in);
|
604 |
|
|
}
|
605 |
|
|
else if (TREE_CODE (expr) == TYPE_DECL)
|
606 |
|
|
DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in);
|
607 |
|
|
DECL_VINDEX (expr) = stream_read_tree (ib, data_in);
|
608 |
|
|
}
|
609 |
|
|
|
610 |
|
|
|
611 |
|
|
/* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
612 |
|
|
from input block IB. DATA_IN contains tables and descriptors for the
|
613 |
|
|
file being read. */
|
614 |
|
|
|
615 |
|
|
static void
|
616 |
|
|
lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib,
|
617 |
|
|
struct data_in *data_in, tree expr)
|
618 |
|
|
{
|
619 |
|
|
tree id;
|
620 |
|
|
|
621 |
|
|
id = stream_read_tree (ib, data_in);
|
622 |
|
|
if (id)
|
623 |
|
|
{
|
624 |
|
|
gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
|
625 |
|
|
SET_DECL_ASSEMBLER_NAME (expr, id);
|
626 |
|
|
}
|
627 |
|
|
|
628 |
|
|
DECL_SECTION_NAME (expr) = stream_read_tree (ib, data_in);
|
629 |
|
|
DECL_COMDAT_GROUP (expr) = stream_read_tree (ib, data_in);
|
630 |
|
|
}
|
631 |
|
|
|
632 |
|
|
|
633 |
|
|
/* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
|
634 |
|
|
input block IB. DATA_IN contains tables and descriptors for the
|
635 |
|
|
file being read. */
|
636 |
|
|
|
637 |
|
|
static void
|
638 |
|
|
lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib,
|
639 |
|
|
struct data_in *data_in, tree expr)
|
640 |
|
|
{
|
641 |
|
|
DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in);
|
642 |
|
|
DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in);
|
643 |
|
|
/* Do not stream DECL_QUALIFIER, it is useless after gimplification. */
|
644 |
|
|
DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in);
|
645 |
|
|
DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in);
|
646 |
|
|
}
|
647 |
|
|
|
648 |
|
|
|
649 |
|
|
/* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
650 |
|
|
from input block IB. DATA_IN contains tables and descriptors for the
|
651 |
|
|
file being read. */
|
652 |
|
|
|
653 |
|
|
static void
|
654 |
|
|
lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib,
|
655 |
|
|
struct data_in *data_in, tree expr)
|
656 |
|
|
{
|
657 |
|
|
/* DECL_STRUCT_FUNCTION is handled by lto_input_function. FIXME lto,
|
658 |
|
|
maybe it should be handled here? */
|
659 |
|
|
DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
|
660 |
|
|
DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
|
661 |
|
|
DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
|
662 |
|
|
|
663 |
|
|
/* If the file contains a function with an EH personality set,
|
664 |
|
|
then it was compiled with -fexceptions. In that case, initialize
|
665 |
|
|
the backend EH machinery. */
|
666 |
|
|
if (DECL_FUNCTION_PERSONALITY (expr))
|
667 |
|
|
lto_init_eh ();
|
668 |
|
|
}
|
669 |
|
|
|
670 |
|
|
|
671 |
|
|
/* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
|
672 |
|
|
input block IB. DATA_IN contains tables and descriptors for the file
|
673 |
|
|
being read. */
|
674 |
|
|
|
675 |
|
|
static void
|
676 |
|
|
lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib,
|
677 |
|
|
struct data_in *data_in, tree expr)
|
678 |
|
|
{
|
679 |
|
|
TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
|
680 |
|
|
TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
|
681 |
|
|
TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
|
682 |
|
|
TYPE_NAME (expr) = stream_read_tree (ib, data_in);
|
683 |
|
|
/* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
684 |
|
|
reconstructed during fixup. */
|
685 |
|
|
/* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
686 |
|
|
during fixup. */
|
687 |
|
|
TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
|
688 |
|
|
TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
|
689 |
|
|
/* TYPE_CANONICAL gets re-computed during type merging. */
|
690 |
|
|
TYPE_CANONICAL (expr) = NULL_TREE;
|
691 |
|
|
TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in);
|
692 |
|
|
}
|
693 |
|
|
|
694 |
|
|
/* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
695 |
|
|
from input block IB. DATA_IN contains tables and descriptors for the
|
696 |
|
|
file being read. */
|
697 |
|
|
|
698 |
|
|
static void
|
699 |
|
|
lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib,
|
700 |
|
|
struct data_in *data_in,
|
701 |
|
|
tree expr)
|
702 |
|
|
{
|
703 |
|
|
if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
704 |
|
|
TYPE_VALUES (expr) = stream_read_tree (ib, data_in);
|
705 |
|
|
else if (TREE_CODE (expr) == ARRAY_TYPE)
|
706 |
|
|
TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in);
|
707 |
|
|
else if (RECORD_OR_UNION_TYPE_P (expr))
|
708 |
|
|
TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
|
709 |
|
|
else if (TREE_CODE (expr) == FUNCTION_TYPE
|
710 |
|
|
|| TREE_CODE (expr) == METHOD_TYPE)
|
711 |
|
|
TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in);
|
712 |
|
|
|
713 |
|
|
if (!POINTER_TYPE_P (expr))
|
714 |
|
|
TYPE_MINVAL (expr) = stream_read_tree (ib, data_in);
|
715 |
|
|
TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in);
|
716 |
|
|
if (RECORD_OR_UNION_TYPE_P (expr))
|
717 |
|
|
TYPE_BINFO (expr) = stream_read_tree (ib, data_in);
|
718 |
|
|
}
|
719 |
|
|
|
720 |
|
|
|
721 |
|
|
/* Read all pointer fields in the TS_LIST structure of EXPR from input
|
722 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
723 |
|
|
file being read. */
|
724 |
|
|
|
725 |
|
|
static void
|
726 |
|
|
lto_input_ts_list_tree_pointers (struct lto_input_block *ib,
|
727 |
|
|
struct data_in *data_in, tree expr)
|
728 |
|
|
{
|
729 |
|
|
TREE_PURPOSE (expr) = stream_read_tree (ib, data_in);
|
730 |
|
|
TREE_VALUE (expr) = stream_read_tree (ib, data_in);
|
731 |
|
|
TREE_CHAIN (expr) = streamer_read_chain (ib, data_in);
|
732 |
|
|
}
|
733 |
|
|
|
734 |
|
|
|
735 |
|
|
/* Read all pointer fields in the TS_VEC structure of EXPR from input
|
736 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
737 |
|
|
file being read. */
|
738 |
|
|
|
739 |
|
|
static void
|
740 |
|
|
lto_input_ts_vec_tree_pointers (struct lto_input_block *ib,
|
741 |
|
|
struct data_in *data_in, tree expr)
|
742 |
|
|
{
|
743 |
|
|
int i;
|
744 |
|
|
|
745 |
|
|
/* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
|
746 |
|
|
instantiate EXPR. */
|
747 |
|
|
for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
748 |
|
|
TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in);
|
749 |
|
|
}
|
750 |
|
|
|
751 |
|
|
|
752 |
|
|
/* Read all pointer fields in the TS_EXP structure of EXPR from input
|
753 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
754 |
|
|
file being read. */
|
755 |
|
|
|
756 |
|
|
|
757 |
|
|
static void
|
758 |
|
|
lto_input_ts_exp_tree_pointers (struct lto_input_block *ib,
|
759 |
|
|
struct data_in *data_in, tree expr)
|
760 |
|
|
{
|
761 |
|
|
int i, length;
|
762 |
|
|
location_t loc;
|
763 |
|
|
|
764 |
|
|
length = streamer_read_hwi (ib);
|
765 |
|
|
gcc_assert (length == TREE_OPERAND_LENGTH (expr));
|
766 |
|
|
|
767 |
|
|
for (i = 0; i < length; i++)
|
768 |
|
|
TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
|
769 |
|
|
|
770 |
|
|
loc = lto_input_location (ib, data_in);
|
771 |
|
|
SET_EXPR_LOCATION (expr, loc);
|
772 |
|
|
TREE_BLOCK (expr) = stream_read_tree (ib, data_in);
|
773 |
|
|
}
|
774 |
|
|
|
775 |
|
|
|
776 |
|
|
/* Read all pointer fields in the TS_BLOCK structure of EXPR from input
|
777 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
778 |
|
|
file being read. */
|
779 |
|
|
|
780 |
|
|
static void
|
781 |
|
|
lto_input_ts_block_tree_pointers (struct lto_input_block *ib,
|
782 |
|
|
struct data_in *data_in, tree expr)
|
783 |
|
|
{
|
784 |
|
|
/* Do not stream BLOCK_SOURCE_LOCATION. We cannot handle debug information
|
785 |
|
|
for early inlining so drop it on the floor instead of ICEing in
|
786 |
|
|
dwarf2out.c. */
|
787 |
|
|
BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
|
788 |
|
|
|
789 |
|
|
/* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
790 |
|
|
for early inlining so drop it on the floor instead of ICEing in
|
791 |
|
|
dwarf2out.c. */
|
792 |
|
|
|
793 |
|
|
BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in);
|
794 |
|
|
|
795 |
|
|
/* Do not stream BLOCK_ABSTRACT_ORIGIN. We cannot handle debug information
|
796 |
|
|
for early inlining so drop it on the floor instead of ICEing in
|
797 |
|
|
dwarf2out.c. */
|
798 |
|
|
BLOCK_FRAGMENT_ORIGIN (expr) = stream_read_tree (ib, data_in);
|
799 |
|
|
BLOCK_FRAGMENT_CHAIN (expr) = stream_read_tree (ib, data_in);
|
800 |
|
|
|
801 |
|
|
/* We re-compute BLOCK_SUBBLOCKS of our parent here instead
|
802 |
|
|
of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
|
803 |
|
|
stream the child relationship explicitly. */
|
804 |
|
|
if (BLOCK_SUPERCONTEXT (expr)
|
805 |
|
|
&& TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
|
806 |
|
|
{
|
807 |
|
|
BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
|
808 |
|
|
BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
|
809 |
|
|
}
|
810 |
|
|
|
811 |
|
|
/* The global block is rooted at the TU decl. Hook it here to
|
812 |
|
|
avoid the need to stream in this block during WPA time. */
|
813 |
|
|
else if (BLOCK_SUPERCONTEXT (expr)
|
814 |
|
|
&& TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
|
815 |
|
|
DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
|
816 |
|
|
|
817 |
|
|
/* The function-level block is connected at the time we read in
|
818 |
|
|
function bodies for the same reason. */
|
819 |
|
|
}
|
820 |
|
|
|
821 |
|
|
|
822 |
|
|
/* Read all pointer fields in the TS_BINFO structure of EXPR from input
|
823 |
|
|
block IB. DATA_IN contains tables and descriptors for the
|
824 |
|
|
file being read. */
|
825 |
|
|
|
826 |
|
|
static void
|
827 |
|
|
lto_input_ts_binfo_tree_pointers (struct lto_input_block *ib,
|
828 |
|
|
struct data_in *data_in, tree expr)
|
829 |
|
|
{
|
830 |
|
|
unsigned i, len;
|
831 |
|
|
tree t;
|
832 |
|
|
|
833 |
|
|
/* Note that the number of slots in EXPR was read in
|
834 |
|
|
streamer_alloc_tree when instantiating EXPR. However, the
|
835 |
|
|
vector is empty so we cannot rely on VEC_length to know how many
|
836 |
|
|
elements to read. So, this list is emitted as a 0-terminated
|
837 |
|
|
list on the writer side. */
|
838 |
|
|
do
|
839 |
|
|
{
|
840 |
|
|
t = stream_read_tree (ib, data_in);
|
841 |
|
|
if (t)
|
842 |
|
|
VEC_quick_push (tree, BINFO_BASE_BINFOS (expr), t);
|
843 |
|
|
}
|
844 |
|
|
while (t);
|
845 |
|
|
|
846 |
|
|
BINFO_OFFSET (expr) = stream_read_tree (ib, data_in);
|
847 |
|
|
BINFO_VTABLE (expr) = stream_read_tree (ib, data_in);
|
848 |
|
|
BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in);
|
849 |
|
|
|
850 |
|
|
len = streamer_read_uhwi (ib);
|
851 |
|
|
if (len > 0)
|
852 |
|
|
{
|
853 |
|
|
VEC_reserve_exact (tree, gc, BINFO_BASE_ACCESSES (expr), len);
|
854 |
|
|
for (i = 0; i < len; i++)
|
855 |
|
|
{
|
856 |
|
|
tree a = stream_read_tree (ib, data_in);
|
857 |
|
|
VEC_quick_push (tree, BINFO_BASE_ACCESSES (expr), a);
|
858 |
|
|
}
|
859 |
|
|
}
|
860 |
|
|
|
861 |
|
|
BINFO_INHERITANCE_CHAIN (expr) = stream_read_tree (ib, data_in);
|
862 |
|
|
BINFO_SUBVTT_INDEX (expr) = stream_read_tree (ib, data_in);
|
863 |
|
|
BINFO_VPTR_INDEX (expr) = stream_read_tree (ib, data_in);
|
864 |
|
|
}
|
865 |
|
|
|
866 |
|
|
|
867 |
|
|
/* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
|
868 |
|
|
input block IB. DATA_IN contains tables and descriptors for the
|
869 |
|
|
file being read. */
|
870 |
|
|
|
871 |
|
|
static void
|
872 |
|
|
lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib,
|
873 |
|
|
struct data_in *data_in, tree expr)
|
874 |
|
|
{
|
875 |
|
|
unsigned i, len;
|
876 |
|
|
|
877 |
|
|
len = streamer_read_uhwi (ib);
|
878 |
|
|
for (i = 0; i < len; i++)
|
879 |
|
|
{
|
880 |
|
|
tree index, value;
|
881 |
|
|
|
882 |
|
|
index = stream_read_tree (ib, data_in);
|
883 |
|
|
value = stream_read_tree (ib, data_in);
|
884 |
|
|
CONSTRUCTOR_APPEND_ELT (CONSTRUCTOR_ELTS (expr), index, value);
|
885 |
|
|
}
|
886 |
|
|
}
|
887 |
|
|
|
888 |
|
|
|
889 |
|
|
/* Input a TS_TARGET_OPTION tree from IB into EXPR. */
|
890 |
|
|
|
891 |
|
|
static void
|
892 |
|
|
lto_input_ts_target_option (struct lto_input_block *ib, tree expr)
|
893 |
|
|
{
|
894 |
|
|
unsigned i, len;
|
895 |
|
|
struct bitpack_d bp;
|
896 |
|
|
struct cl_target_option *t = TREE_TARGET_OPTION (expr);
|
897 |
|
|
|
898 |
|
|
bp = streamer_read_bitpack (ib);
|
899 |
|
|
len = sizeof (struct cl_target_option);
|
900 |
|
|
for (i = 0; i < len; i++)
|
901 |
|
|
((unsigned char *)t)[i] = bp_unpack_value (&bp, 8);
|
902 |
|
|
if (bp_unpack_value (&bp, 32) != 0x12345678)
|
903 |
|
|
fatal_error ("cl_target_option size mismatch in LTO reader and writer");
|
904 |
|
|
}
|
905 |
|
|
|
906 |
|
|
/* Input a TS_OPTIMIZATION tree from IB into EXPR. */
|
907 |
|
|
|
908 |
|
|
static void
|
909 |
|
|
lto_input_ts_optimization (struct lto_input_block *ib, tree expr)
|
910 |
|
|
{
|
911 |
|
|
unsigned i, len;
|
912 |
|
|
struct bitpack_d bp;
|
913 |
|
|
struct cl_optimization *t = TREE_OPTIMIZATION (expr);
|
914 |
|
|
|
915 |
|
|
bp = streamer_read_bitpack (ib);
|
916 |
|
|
len = sizeof (struct cl_optimization);
|
917 |
|
|
for (i = 0; i < len; i++)
|
918 |
|
|
((unsigned char *)t)[i] = bp_unpack_value (&bp, 8);
|
919 |
|
|
if (bp_unpack_value (&bp, 32) != 0x12345678)
|
920 |
|
|
fatal_error ("cl_optimization size mismatch in LTO reader and writer");
|
921 |
|
|
}
|
922 |
|
|
|
923 |
|
|
/* Input a TS_TRANSLATION_UNIT_DECL tree from IB and DATA_IN into EXPR. */
|
924 |
|
|
|
925 |
|
|
static void
|
926 |
|
|
lto_input_ts_translation_unit_decl_tree_pointers (struct lto_input_block *ib,
|
927 |
|
|
struct data_in *data_in,
|
928 |
|
|
tree expr)
|
929 |
|
|
{
|
930 |
|
|
TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (streamer_read_string (data_in, ib));
|
931 |
|
|
VEC_safe_push (tree, gc, all_translation_units, expr);
|
932 |
|
|
}
|
933 |
|
|
|
934 |
|
|
/* Read all pointer fields in EXPR from input block IB. DATA_IN
|
935 |
|
|
contains tables and descriptors for the file being read. */
|
936 |
|
|
|
937 |
|
|
void
|
938 |
|
|
streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in,
|
939 |
|
|
tree expr)
|
940 |
|
|
{
|
941 |
|
|
enum tree_code code;
|
942 |
|
|
|
943 |
|
|
code = TREE_CODE (expr);
|
944 |
|
|
|
945 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
946 |
|
|
lto_input_ts_common_tree_pointers (ib, data_in, expr);
|
947 |
|
|
|
948 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
949 |
|
|
lto_input_ts_vector_tree_pointers (ib, data_in, expr);
|
950 |
|
|
|
951 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
952 |
|
|
lto_input_ts_complex_tree_pointers (ib, data_in, expr);
|
953 |
|
|
|
954 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
955 |
|
|
lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
|
956 |
|
|
|
957 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
958 |
|
|
lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
|
959 |
|
|
|
960 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
961 |
|
|
lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
|
962 |
|
|
|
963 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
964 |
|
|
lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
|
965 |
|
|
|
966 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
|
967 |
|
|
lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
|
968 |
|
|
|
969 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
970 |
|
|
lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
|
971 |
|
|
|
972 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
973 |
|
|
lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
|
974 |
|
|
|
975 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
|
976 |
|
|
lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
|
977 |
|
|
|
978 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_LIST))
|
979 |
|
|
lto_input_ts_list_tree_pointers (ib, data_in, expr);
|
980 |
|
|
|
981 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
982 |
|
|
lto_input_ts_vec_tree_pointers (ib, data_in, expr);
|
983 |
|
|
|
984 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
985 |
|
|
lto_input_ts_exp_tree_pointers (ib, data_in, expr);
|
986 |
|
|
|
987 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
988 |
|
|
lto_input_ts_block_tree_pointers (ib, data_in, expr);
|
989 |
|
|
|
990 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
991 |
|
|
lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
|
992 |
|
|
|
993 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
994 |
|
|
lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
|
995 |
|
|
|
996 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
|
997 |
|
|
lto_input_ts_target_option (ib, expr);
|
998 |
|
|
|
999 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
1000 |
|
|
lto_input_ts_optimization (ib, expr);
|
1001 |
|
|
|
1002 |
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
1003 |
|
|
lto_input_ts_translation_unit_decl_tree_pointers (ib, data_in, expr);
|
1004 |
|
|
}
|
1005 |
|
|
|
1006 |
|
|
|
1007 |
|
|
/* Read and INTEGER_CST node from input block IB using the per-file
|
1008 |
|
|
context in DATA_IN. */
|
1009 |
|
|
|
1010 |
|
|
tree
|
1011 |
|
|
streamer_read_integer_cst (struct lto_input_block *ib, struct data_in *data_in)
|
1012 |
|
|
{
|
1013 |
|
|
tree result, type;
|
1014 |
|
|
HOST_WIDE_INT low, high;
|
1015 |
|
|
bool overflow_p;
|
1016 |
|
|
|
1017 |
|
|
type = stream_read_tree (ib, data_in);
|
1018 |
|
|
overflow_p = (streamer_read_uchar (ib) != 0);
|
1019 |
|
|
low = streamer_read_uhwi (ib);
|
1020 |
|
|
high = streamer_read_uhwi (ib);
|
1021 |
|
|
result = build_int_cst_wide (type, low, high);
|
1022 |
|
|
|
1023 |
|
|
/* If the original constant had overflown, build a replica of RESULT to
|
1024 |
|
|
avoid modifying the shared constant returned by build_int_cst_wide. */
|
1025 |
|
|
if (overflow_p)
|
1026 |
|
|
{
|
1027 |
|
|
result = copy_node (result);
|
1028 |
|
|
TREE_OVERFLOW (result) = 1;
|
1029 |
|
|
}
|
1030 |
|
|
|
1031 |
|
|
return result;
|
1032 |
|
|
}
|
1033 |
|
|
|
1034 |
|
|
|
1035 |
|
|
/* Read an index IX from input block IB and return the tree node at
|
1036 |
|
|
DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
|
1037 |
|
|
|
1038 |
|
|
tree
|
1039 |
|
|
streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in)
|
1040 |
|
|
{
|
1041 |
|
|
unsigned HOST_WIDE_INT ix;
|
1042 |
|
|
tree result;
|
1043 |
|
|
enum LTO_tags expected_tag;
|
1044 |
|
|
|
1045 |
|
|
ix = streamer_read_uhwi (ib);
|
1046 |
|
|
expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
|
1047 |
|
|
|
1048 |
|
|
result = streamer_tree_cache_get (data_in->reader_cache, ix);
|
1049 |
|
|
gcc_assert (result
|
1050 |
|
|
&& TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
|
1051 |
|
|
|
1052 |
|
|
return result;
|
1053 |
|
|
}
|
1054 |
|
|
|
1055 |
|
|
|
1056 |
|
|
/* Read a code and class from input block IB and return the
|
1057 |
|
|
corresponding builtin. DATA_IN is as in stream_read_tree. */
|
1058 |
|
|
|
1059 |
|
|
tree
|
1060 |
|
|
streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in)
|
1061 |
|
|
{
|
1062 |
|
|
enum built_in_class fclass;
|
1063 |
|
|
enum built_in_function fcode;
|
1064 |
|
|
const char *asmname;
|
1065 |
|
|
tree result;
|
1066 |
|
|
|
1067 |
|
|
fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST);
|
1068 |
|
|
gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD);
|
1069 |
|
|
|
1070 |
|
|
fcode = (enum built_in_function) streamer_read_uhwi (ib);
|
1071 |
|
|
|
1072 |
|
|
if (fclass == BUILT_IN_NORMAL)
|
1073 |
|
|
{
|
1074 |
|
|
if (fcode >= END_BUILTINS)
|
1075 |
|
|
fatal_error ("machine independent builtin code out of range");
|
1076 |
|
|
result = builtin_decl_explicit (fcode);
|
1077 |
|
|
gcc_assert (result);
|
1078 |
|
|
}
|
1079 |
|
|
else if (fclass == BUILT_IN_MD)
|
1080 |
|
|
{
|
1081 |
|
|
result = targetm.builtin_decl (fcode, true);
|
1082 |
|
|
if (!result || result == error_mark_node)
|
1083 |
|
|
fatal_error ("target specific builtin not available");
|
1084 |
|
|
}
|
1085 |
|
|
else
|
1086 |
|
|
gcc_unreachable ();
|
1087 |
|
|
|
1088 |
|
|
asmname = streamer_read_string (data_in, ib);
|
1089 |
|
|
if (asmname)
|
1090 |
|
|
set_builtin_user_assembler_name (result, asmname);
|
1091 |
|
|
|
1092 |
|
|
streamer_tree_cache_append (data_in->reader_cache, result);
|
1093 |
|
|
|
1094 |
|
|
return result;
|
1095 |
|
|
}
|