mirror of
https://github.com/google/pebble.git
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118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//! @file ${filename}
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//! This file is autogenerated by tools/applib_malloc.py
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#include "kernel/pbl_malloc.h"
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#include "kernel/pebble_tasks.h"
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#include "mcu/privilege.h"
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#include "process_management/process_manager.h"
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#include "system/passert.h"
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${includes}
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typedef struct {
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size_t actual_size; //!< The size of the struct as it's currently implemented without padding
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size_t size_2x; //!< The size we struct allocation should be for legacy2 apps
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size_t size_3x; //!< The size we struct allocation should be for 3.x apps
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} ApplibTypeInfo;
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typedef enum {
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${applib_enum_types}
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} ApplibType;
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static const ApplibTypeInfo s_applib_malloc_types[] = {
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${applib_malloc_types}
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};
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static size_t prv_find_size(int index) {
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const ApplibTypeInfo *type = &s_applib_malloc_types[index];
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if (mcu_state_is_thread_privileged()) {
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return type->actual_size;
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}
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if (process_manager_compiled_with_legacy2_sdk()) {
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return type->size_2x;
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}
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return type->size_3x;
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}
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static void* prv_malloc(size_t size, uintptr_t client_pc) {
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if (!size) {
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return NULL;
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}
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#if defined(MALLOC_INSTRUMENTATION)
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void *result = task_malloc_with_pc(size, client_pc);
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#else
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void *result = task_malloc(size);
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#endif
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if (!result && mcu_state_is_thread_privileged()) {
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// We want to trip an assert if our malloc failed and we're not running a 3rd party app.
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PBL_CROAK_OOM(size, client_pc, task_heap_get_for_current_task());
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}
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return result;
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}
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static void* prv_zalloc(size_t size, uintptr_t client_pc) {
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void *result = prv_malloc(size, client_pc);
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if (result) {
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memset(result, 0, size);
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}
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return result;
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}
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void* applib_malloc(size_t size) {
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#if defined(MALLOC_INSTRUMENTATION)
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register uintptr_t lr __asm("lr");
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uintptr_t saved_lr = lr;
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return prv_malloc(size, saved_lr);
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#else
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return prv_malloc(size, 0);
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#endif
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}
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void* applib_zalloc(size_t size) {
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#if defined(MALLOC_INSTRUMENTATION)
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register uintptr_t lr __asm("lr");
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uintptr_t saved_lr = lr;
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return prv_zalloc(size, saved_lr);
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#else
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return prv_zalloc(size, 0);
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#endif
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}
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void applib_free(void *ptr) {
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#if defined(MALLOC_INSTRUMENTATION)
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register uintptr_t lr __asm("lr");
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uintptr_t saved_lr = lr;
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task_free_with_pc(ptr, saved_lr);
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#else
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task_free(ptr);
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#endif
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}
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