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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "wasi_nn_app_native.h"
static error
graph_builder_app_native(wasm_module_inst_t instance,
graph_builder_wasm *builder_wasm,
graph_builder *builder)
{
if (!wasm_runtime_validate_app_addr(instance, builder_wasm->buf_offset,
builder_wasm->size * sizeof(uint8_t))) {
NN_ERR_PRINTF("builder_wasm->buf_offset is invalid");
return invalid_argument;
}
builder->buf = (uint8_t *)wasm_runtime_addr_app_to_native(
instance, builder_wasm->buf_offset);
builder->size = builder_wasm->size;
return success;
}
error
graph_builder_array_app_native(wasm_module_inst_t instance,
graph_builder_array_wasm *builder_array_wasm,
graph_builder_array *builder_array)
{
if (!wasm_runtime_validate_native_addr(instance, builder_array_wasm,
sizeof(graph_builder_array_wasm))) {
NN_ERR_PRINTF("builder_array_wasm is invalid");
return invalid_argument;
}
NN_DBG_PRINTF("Graph builder array contains %d elements",
builder_array_wasm->size);
if (!wasm_runtime_validate_app_addr(
instance, builder_array_wasm->buf_offset,
builder_array_wasm->size * sizeof(graph_builder_wasm))) {
NN_ERR_PRINTF("builder_array_wasm->buf_offset is invalid");
return invalid_argument;
}
graph_builder_wasm *builder_wasm =
(graph_builder_wasm *)wasm_runtime_addr_app_to_native(
instance, builder_array_wasm->buf_offset);
graph_builder *builder = (graph_builder *)wasm_runtime_malloc(
builder_array_wasm->size * sizeof(graph_builder));
if (builder == NULL)
return missing_memory;
for (uint32_t i = 0; i < builder_array_wasm->size; ++i) {
error res;
if (success
!= (res = graph_builder_app_native(instance, &builder_wasm[i],
&builder[i]))) {
wasm_runtime_free(builder);
return res;
}
NN_DBG_PRINTF("Graph builder %d contains %d elements", i,
builder->size);
}
builder_array->buf = builder;
builder_array->size = builder_array_wasm->size;
return success;
}
static error
tensor_data_app_native(wasm_module_inst_t instance, uint32_t total_elements,
tensor_wasm *input_tensor_wasm, tensor_data *data)
{
if (!wasm_runtime_validate_app_addr(
instance, input_tensor_wasm->data_offset, total_elements)) {
NN_ERR_PRINTF("input_tensor_wasm->data_offset is invalid");
return invalid_argument;
}
*data = (tensor_data)wasm_runtime_addr_app_to_native(
instance, input_tensor_wasm->data_offset);
return success;
}
static error
tensor_dimensions_app_native(wasm_module_inst_t instance,
tensor_wasm *input_tensor_wasm,
tensor_dimensions **dimensions)
{
if (!wasm_runtime_validate_app_addr(instance,
input_tensor_wasm->dimensions_offset,
sizeof(tensor_dimensions_wasm))) {
NN_ERR_PRINTF("input_tensor_wasm->dimensions_offset is invalid");
return invalid_argument;
}
tensor_dimensions_wasm *dimensions_wasm =
(tensor_dimensions_wasm *)wasm_runtime_addr_app_to_native(
instance, input_tensor_wasm->dimensions_offset);
if (!wasm_runtime_validate_app_addr(instance, dimensions_wasm->buf_offset,
sizeof(tensor_dimensions))) {
NN_ERR_PRINTF("dimensions_wasm->buf_offset is invalid");
return invalid_argument;
}
*dimensions =
(tensor_dimensions *)wasm_runtime_malloc(sizeof(tensor_dimensions));
if (dimensions == NULL)
return missing_memory;
(*dimensions)->size = dimensions_wasm->size;
(*dimensions)->buf = (uint32_t *)wasm_runtime_addr_app_to_native(
instance, dimensions_wasm->buf_offset);
NN_DBG_PRINTF("Number of dimensions: %d", (*dimensions)->size);
return success;
}
error
tensor_app_native(wasm_module_inst_t instance, tensor_wasm *input_tensor_wasm,
tensor *input_tensor)
{
NN_DBG_PRINTF("Converting tensor_wasm to tensor");
if (!wasm_runtime_validate_native_addr(instance, input_tensor_wasm,
sizeof(tensor_wasm))) {
NN_ERR_PRINTF("input_tensor_wasm is invalid");
return invalid_argument;
}
error res;
tensor_dimensions *dimensions = NULL;
if (success
!= (res = tensor_dimensions_app_native(instance, input_tensor_wasm,
&dimensions))) {
NN_ERR_PRINTF("error when parsing dimensions");
return res;
}
uint32_t total_elements = 1;
for (uint32_t i = 0; i < dimensions->size; ++i) {
total_elements *= dimensions->buf[i];
NN_DBG_PRINTF("Dimension %d: %d", i, dimensions->buf[i]);
}
NN_DBG_PRINTF("Tensor type: %d", input_tensor_wasm->type);
NN_DBG_PRINTF("Total number of elements: %d", total_elements);
tensor_data data = NULL;
if (success
!= (res = tensor_data_app_native(instance, total_elements,
input_tensor_wasm, &data))) {
wasm_runtime_free(dimensions);
return res;
}
input_tensor->type = input_tensor_wasm->type;
input_tensor->dimensions = dimensions;
input_tensor->data = data;
return success;
}
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