855751b534
Necessary for dlfcn etc on ESP32, which has separate memory regions for instruction and data. known issues/todo * consider something similar to dual heaps for PROTOECTED * consider to adapt binfmt as well
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/****************************************************************************
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* arch/xtensa/src/esp32/esp32_modtext.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/arch.h>
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#include <nuttx/mm/mm.h>
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#include <sys/types.h>
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#include <debug.h>
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/****************************************************************************
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* Public Data
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****************************************************************************/
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extern uint32_t _smodtext;
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extern uint32_t _emodtext;
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/****************************************************************************
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* Private Data
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****************************************************************************/
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struct mm_heap_s g_module_text;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_module_text_init
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*
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* Description:
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* Initialize the module text allocator
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*
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****************************************************************************/
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void up_module_text_init()
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{
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mm_initialize(&g_module_text, &_smodtext, &_emodtext - &_smodtext);
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}
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/****************************************************************************
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* Name: up_module_text_alloc
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*
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* Description:
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* Allocate memory for module text.
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*
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****************************************************************************/
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FAR void *up_module_text_alloc(size_t size)
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{
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return mm_malloc(&g_module_text, size);
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}
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/****************************************************************************
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* Name: up_module_text_free
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*
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* Description:
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* Free memory for module text.
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*
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****************************************************************************/
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void up_module_text_free(FAR void *p)
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{
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return mm_free(&g_module_text, p);
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}
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