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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2020. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "sys.h"
#include "global.h"
#include "erl_global_literals.h"
struct literal {
Eterm term;
ErtsLiteralArea* area;
};
static struct literal literals[ERTS_NUM_GLOBAL_LITERALS];
Eterm* erts_alloc_global_literal(Uint index, Uint sz)
{
ErtsLiteralArea* area;
Uint area_sz;
ASSERT(index < ERTS_NUM_GLOBAL_LITERALS);
area_sz = sizeof(ErtsLiteralArea) + (sz-1)*sizeof(Eterm);
area = erts_alloc(ERTS_ALC_T_LITERAL, area_sz);
area->end = area->start + sz;
literals[index].area = area;
return area->start;
}
void erts_register_global_literal(Uint index, Eterm term)
{
Eterm* start;
ASSERT(index < ERTS_NUM_GLOBAL_LITERALS);
start = literals[index].area->start;
erts_set_literal_tag(&term, start, literals[index].area->end - start);
literals[index].term = term;
}
Eterm erts_get_global_literal(Uint index)
{
ASSERT(index < ERTS_NUM_GLOBAL_LITERALS);
return literals[index].term;
}
ErtsLiteralArea* erts_get_global_literal_area(Uint index)
{
ASSERT(index < ERTS_NUM_GLOBAL_LITERALS);
return literals[index].area;
}
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