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40 lines
1.3 KiB
40 lines
1.3 KiB
#pragma once
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#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include "sandbox_types.h"
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/**
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* Takes the arguments from the sandbox struct and writes them into the WebAssembly linear memory
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*/
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static inline void
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sandbox_setup_arguments(struct sandbox *sandbox)
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{
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assert(sandbox != NULL);
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int32_t argument_count = module_get_argument_count(sandbox->module);
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/* whatever gregor has, to be able to pass arguments to a module! */
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sandbox->arguments_offset = local_sandbox_context_cache.linear_memory_size;
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assert(local_sandbox_context_cache.linear_memory_start == sandbox->linear_memory_start);
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expand_memory();
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int32_t *array_ptr = (int32_t *)worker_thread_get_memory_ptr_void(sandbox->arguments_offset,
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argument_count * sizeof(int32_t));
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int32_t string_off = sandbox->arguments_offset + (argument_count * sizeof(int32_t));
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for (int i = 0; i < argument_count; i++) {
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char * arg = (char *)sandbox->arguments + (i * MODULE_MAX_ARGUMENT_SIZE);
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size_t str_sz = strlen(arg) + 1;
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array_ptr[i] = string_off;
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/* why get_memory_ptr_for_runtime?? */
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strncpy(get_memory_ptr_for_runtime(string_off, str_sz), arg, strlen(arg));
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string_off += str_sz;
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}
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stub_init(string_off);
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}
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