#ifndef WASMER_H_MACROS
#define WASMER_H_MACROS
#if MSVC
#ifdef _M_AMD64
#define ARCH_X86_64
#endif
#endif
#if GCC
#ifdef __x86_64__
#define ARCH_X86_64
#endif
#endif
#endif // WASMER_H_MACROS
#ifndef WASMER_H
#define WASMER_H
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
/**
* List of export/import kinds.
*/
enum wasmer_import_export_kind {
WASM_FUNCTION = 0,
WASM_GLOBAL = 1,
WASM_MEMORY = 2,
WASM_TABLE = 3,
};
typedef uint32_t wasmer_import_export_kind;
typedef enum {
WASMER_OK = 1,
WASMER_ERROR = 2,
} wasmer_result_t;
enum wasmer_value_tag {
WASM_I32,
WASM_I64,
WASM_F32,
WASM_F64,
};
typedef uint32_t wasmer_value_tag;
typedef struct {
} wasmer_module_t;
/**
* Opaque pointer to `NamedExportDescriptor`.
*/
typedef struct {
} wasmer_export_descriptor_t;
typedef struct {
const uint8_t *bytes;
uint32_t bytes_len;
} wasmer_byte_array;
/**
* Opaque pointer to `NamedExportDescriptors`.
*/
typedef struct {
} wasmer_export_descriptors_t;
/**
* Opaque pointer to `wasmer_export_t`.
*/
typedef struct {
} wasmer_export_func_t;
typedef union {
int32_t I32;
int64_t I64;
float F32;
double F64;
} wasmer_value;
typedef struct {
wasmer_value_tag tag;
wasmer_value value;
} wasmer_value_t;
/**
* Opaque pointer to `NamedExport`.
*/
typedef struct {
} wasmer_export_t;
typedef struct {
} wasmer_memory_t;
/**
* Opaque pointer to `NamedExports`.
*/
typedef struct {
} wasmer_exports_t;
typedef struct {
} wasmer_global_t;
typedef struct {
bool mutable_;
wasmer_value_tag kind;
} wasmer_global_descriptor_t;
typedef struct {
} wasmer_import_descriptor_t;
typedef struct {
} wasmer_import_descriptors_t;
typedef struct {
} wasmer_import_func_t;
typedef struct {
} wasmer_import_object_t;
typedef struct {
} wasmer_table_t;
/**
* Union of import/export value.
*/
typedef union {
const wasmer_import_func_t *func;
const wasmer_table_t *table;
const wasmer_memory_t *memory;
const wasmer_global_t *global;
} wasmer_import_export_value;
typedef struct {
wasmer_byte_array module_name;
wasmer_byte_array import_name;
wasmer_import_export_kind tag;
wasmer_import_export_value value;
} wasmer_import_t;
typedef struct {
} wasmer_import_object_iter_t;
typedef struct {
} wasmer_instance_t;
typedef struct {
} wasmer_instance_context_t;
typedef struct {
bool has_some;
uint32_t some;
} wasmer_limit_option_t;
typedef struct {
uint32_t min;
wasmer_limit_option_t max;
} wasmer_limits_t;
typedef struct {
} wasmer_serialized_module_t;
#if (!defined(_WIN32) && defined(ARCH_X86_64))
typedef struct {
} wasmer_trampoline_buffer_builder_t;
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
typedef struct {
} wasmer_trampoline_callable_t;
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
typedef struct {
} wasmer_trampoline_buffer_t;
#endif
/**
* Opens a directory that's visible to the WASI module as `alias` but
* is backed by the host file at `host_file_path`
*/
typedef struct {
/**
* What the WASI module will see in its virtual root
*/
wasmer_byte_array alias;
/**
* The backing file that the WASI module will interact with via the alias
*/
wasmer_byte_array host_file_path;
} wasmer_wasi_map_dir_entry_t;
/**
* Creates a new Module from the given wasm bytes.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_compile(wasmer_module_t **module,
uint8_t *wasm_bytes,
uint32_t wasm_bytes_len);
/**
* Gets export descriptor kind
*/
wasmer_import_export_kind wasmer_export_descriptor_kind(wasmer_export_descriptor_t *export_);
/**
* Gets name for the export descriptor
*/
wasmer_byte_array wasmer_export_descriptor_name(wasmer_export_descriptor_t *export_descriptor);
/**
* Gets export descriptors for the given module
*
* The caller owns the object and should call `wasmer_export_descriptors_destroy` to free it.
*/
void wasmer_export_descriptors(const wasmer_module_t *module,
wasmer_export_descriptors_t **export_descriptors);
/**
* Frees the memory for the given export descriptors
*/
void wasmer_export_descriptors_destroy(wasmer_export_descriptors_t *export_descriptors);
/**
* Gets export descriptor by index
*/
wasmer_export_descriptor_t *wasmer_export_descriptors_get(wasmer_export_descriptors_t *export_descriptors,
int idx);
/**
* Gets the length of the export descriptors
*/
int wasmer_export_descriptors_len(wasmer_export_descriptors_t *exports);
/**
* Calls a `func` with the provided parameters.
* Results are set using the provided `results` pointer.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_call(const wasmer_export_func_t *func,
const wasmer_value_t *params,
unsigned int params_len,
wasmer_value_t *results,
unsigned int results_len);
/**
* Sets the params buffer to the parameter types of the given wasmer_export_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_params(const wasmer_export_func_t *func,
wasmer_value_tag *params,
uint32_t params_len);
/**
* Sets the result parameter to the arity of the params of the wasmer_export_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_params_arity(const wasmer_export_func_t *func, uint32_t *result);
/**
* Sets the returns buffer to the parameter types of the given wasmer_export_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_returns(const wasmer_export_func_t *func,
wasmer_value_tag *returns,
uint32_t returns_len);
/**
* Sets the result parameter to the arity of the returns of the wasmer_export_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_returns_arity(const wasmer_export_func_t *func,
uint32_t *result);
/**
* Gets wasmer_export kind
*/
wasmer_import_export_kind wasmer_export_kind(wasmer_export_t *export_);
/**
* Gets name from wasmer_export
*/
wasmer_byte_array wasmer_export_name(wasmer_export_t *export_);
/**
* Gets export func from export
*/
const wasmer_export_func_t *wasmer_export_to_func(const wasmer_export_t *export_);
/**
* Gets a memory pointer from an export pointer.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_to_memory(const wasmer_export_t *export_, wasmer_memory_t **memory);
/**
* Frees the memory for the given exports
*/
void wasmer_exports_destroy(wasmer_exports_t *exports);
/**
* Gets wasmer_export by index
*/
wasmer_export_t *wasmer_exports_get(wasmer_exports_t *exports, int idx);
/**
* Gets the length of the exports
*/
int wasmer_exports_len(wasmer_exports_t *exports);
/**
* Frees memory for the given Global
*/
void wasmer_global_destroy(wasmer_global_t *global);
/**
* Gets the value stored by the given Global
*/
wasmer_value_t wasmer_global_get(wasmer_global_t *global);
/**
* Returns a descriptor (type, mutability) of the given Global
*/
wasmer_global_descriptor_t wasmer_global_get_descriptor(wasmer_global_t *global);
/**
* Creates a new Global and returns a pointer to it.
* The caller owns the object and should call `wasmer_global_destroy` to free it.
*/
wasmer_global_t *wasmer_global_new(wasmer_value_t value, bool mutable_);
/**
* Sets the value stored by the given Global
*/
void wasmer_global_set(wasmer_global_t *global, wasmer_value_t value);
/**
* Gets export descriptor kind
*/
wasmer_import_export_kind wasmer_import_descriptor_kind(wasmer_import_descriptor_t *export_);
/**
* Gets module name for the import descriptor
*/
wasmer_byte_array wasmer_import_descriptor_module_name(wasmer_import_descriptor_t *import_descriptor);
/**
* Gets name for the import descriptor
*/
wasmer_byte_array wasmer_import_descriptor_name(wasmer_import_descriptor_t *import_descriptor);
/**
* Gets import descriptors for the given module
*
* The caller owns the object and should call `wasmer_import_descriptors_destroy` to free it.
*/
void wasmer_import_descriptors(const wasmer_module_t *module,
wasmer_import_descriptors_t **import_descriptors);
/**
* Frees the memory for the given import descriptors
*/
void wasmer_import_descriptors_destroy(wasmer_import_descriptors_t *import_descriptors);
/**
* Gets import descriptor by index
*/
wasmer_import_descriptor_t *wasmer_import_descriptors_get(wasmer_import_descriptors_t *import_descriptors,
unsigned int idx);
/**
* Gets the length of the import descriptors
*/
unsigned int wasmer_import_descriptors_len(wasmer_import_descriptors_t *exports);
/**
* Frees memory for the given Func
*/
void wasmer_import_func_destroy(wasmer_import_func_t *func);
/**
* Creates new func
*
* The caller owns the object and should call `wasmer_import_func_destroy` to free it.
*/
wasmer_import_func_t *wasmer_import_func_new(void (*func)(void *data),
const wasmer_value_tag *params,
unsigned int params_len,
const wasmer_value_tag *returns,
unsigned int returns_len);
/**
* Sets the params buffer to the parameter types of the given wasmer_import_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_params(const wasmer_import_func_t *func,
wasmer_value_tag *params,
unsigned int params_len);
/**
* Sets the result parameter to the arity of the params of the wasmer_import_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_params_arity(const wasmer_import_func_t *func, uint32_t *result);
/**
* Sets the returns buffer to the parameter types of the given wasmer_import_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_returns(const wasmer_import_func_t *func,
wasmer_value_tag *returns,
unsigned int returns_len);
/**
* Sets the result parameter to the arity of the returns of the wasmer_import_func_t
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_returns_arity(const wasmer_import_func_t *func,
uint32_t *result);
/**
* Frees memory of the given ImportObject
*/
void wasmer_import_object_destroy(wasmer_import_object_t *import_object);
/**
* Extends an existing import object with new imports
*/
wasmer_result_t wasmer_import_object_extend(wasmer_import_object_t *import_object,
const wasmer_import_t *imports,
unsigned int imports_len);
/**
* Gets an entry from an ImportObject at the name and namespace.
* Stores `name`, `namespace`, and `import_export_value` in `import`.
* Thus these must remain valid for the lifetime of `import`.
*
* The caller owns all data involved.
* `import_export_value` will be written to based on `tag`.
*/
wasmer_result_t wasmer_import_object_get_import(const wasmer_import_object_t *import_object,
wasmer_byte_array namespace_,
wasmer_byte_array name,
wasmer_import_t *import,
wasmer_import_export_value *import_export_value,
uint32_t tag);
/**
* Frees the memory allocated in `wasmer_import_object_iter_next`
*
* This function does not free the memory in `wasmer_import_object_t`;
* it only frees memory allocated while querying a `wasmer_import_object_t`.
*/
void wasmer_import_object_imports_destroy(wasmer_import_t *imports, uint32_t imports_len);
/**
* Returns true if further calls to `wasmer_import_object_iter_next` will
* not return any new data
*/
bool wasmer_import_object_iter_at_end(wasmer_import_object_iter_t *import_object_iter);
/**
* Frees the memory allocated by `wasmer_import_object_iterate_functions`
*/
void wasmer_import_object_iter_destroy(wasmer_import_object_iter_t *import_object_iter);
/**
* Writes the next value to `import`. `WASMER_ERROR` is returned if there
* was an error or there's nothing left to return.
*
* To free the memory allocated here, pass the import to `wasmer_import_object_imports_destroy`.
* To check if the iterator is done, use `wasmer_import_object_iter_at_end`.
*/
wasmer_result_t wasmer_import_object_iter_next(wasmer_import_object_iter_t *import_object_iter,
wasmer_import_t *import);
/**
* Create an iterator over the functions in the import object.
* Get the next import with `wasmer_import_object_iter_next`
* Free the iterator with `wasmer_import_object_iter_destroy`
*/
wasmer_import_object_iter_t *wasmer_import_object_iterate_functions(const wasmer_import_object_t *import_object);
/**
* Creates a new empty import object.
* See also `wasmer_import_object_append`
*/
wasmer_import_object_t *wasmer_import_object_new(void);
/**
* Calls an instances exported function by `name` with the provided parameters.
* Results are set using the provided `results` pointer.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_instance_call(wasmer_instance_t *instance,
const char *name,
const wasmer_value_t *params,
uint32_t params_len,
wasmer_value_t *results,
uint32_t results_len);
/**
* Gets the `data` field within the context.
*/
void *wasmer_instance_context_data_get(const wasmer_instance_context_t *ctx);
/**
* Sets the `data` field of the instance context. This context will be
* passed to all imported function for instance.
*/
void wasmer_instance_context_data_set(wasmer_instance_t *instance, void *data_ptr);
/**
* Extracts the instance's context and returns it.
*/
const wasmer_instance_context_t *wasmer_instance_context_get(wasmer_instance_t *instance);
/**
* Gets the memory within the context at the index `memory_idx`.
* The index is always 0 until multiple memories are supported.
*/
const wasmer_memory_t *wasmer_instance_context_memory(const wasmer_instance_context_t *ctx,
uint32_t _memory_idx);
/**
* Frees memory for the given Instance
*/
void wasmer_instance_destroy(wasmer_instance_t *instance);
/**
* Gets Exports for the given instance
*
* The caller owns the object and should call `wasmer_exports_destroy` to free it.
*/
void wasmer_instance_exports(wasmer_instance_t *instance, wasmer_exports_t **exports);
/**
* Creates a new Instance from the given wasm bytes and imports.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_instantiate(wasmer_instance_t **instance,
uint8_t *wasm_bytes,
uint32_t wasm_bytes_len,
wasmer_import_t *imports,
int imports_len);
/**
* Gets the length in bytes of the last error.
* This can be used to dynamically allocate a buffer with the correct number of
* bytes needed to store a message.
*
* # Example
*
* ```c
* int error_len = wasmer_last_error_length();
* char *error_str = malloc(error_len);
* ```
*/
int wasmer_last_error_length(void);
/**
* Stores the last error message into the provided buffer up to the given `length`.
* The `length` parameter must be large enough to store the last error message.
*
* Returns the length of the string in bytes.
* Returns `-1` if an error occurs.
*
* # Example
*
* ```c
* int error_len = wasmer_last_error_length();
* char *error_str = malloc(error_len);
* wasmer_last_error_message(error_str, error_len);
* printf("Error str: `%s`\n", error_str);
* ```
*/
int wasmer_last_error_message(char *buffer, int length);
/**
* Gets the start pointer to the bytes within a Memory
*/
uint8_t *wasmer_memory_data(const wasmer_memory_t *mem);
/**
* Gets the size in bytes of a Memory
*/
uint32_t wasmer_memory_data_length(wasmer_memory_t *mem);
/**
* Frees memory for the given Memory
*/
void wasmer_memory_destroy(wasmer_memory_t *memory);
/**
* Grows a Memory by the given number of pages.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_memory_grow(wasmer_memory_t *memory, uint32_t delta);
/**
* Returns the current length in pages of the given memory
*/
uint32_t wasmer_memory_length(const wasmer_memory_t *memory);
/**
* Creates a new Memory for the given descriptor and initializes the given
* pointer to pointer to a pointer to the new memory.
*
* The caller owns the object and should call `wasmer_memory_destroy` to free it.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_memory_new(wasmer_memory_t **memory, wasmer_limits_t limits);
/**
* Deserialize the given serialized module.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_module_deserialize(wasmer_module_t **module,
const wasmer_serialized_module_t *serialized_module);
/**
* Frees memory for the given Module
*/
void wasmer_module_destroy(wasmer_module_t *module);
/**
* Given:
* * A prepared `wasmer` import-object
* * A compiled wasmer module
*
* Instantiates a wasmer instance
*/
wasmer_result_t wasmer_module_import_instantiate(wasmer_instance_t **instance,
const wasmer_module_t *module,
const wasmer_import_object_t *import_object);
/**
* Creates a new Instance from the given module and imports.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_module_instantiate(const wasmer_module_t *module,
wasmer_instance_t **instance,
wasmer_import_t *imports,
int imports_len);
/**
* Serialize the given Module.
*
* The caller owns the object and should call `wasmer_serialized_module_destroy` to free it.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_module_serialize(wasmer_serialized_module_t **serialized_module,
const wasmer_module_t *module);
/**
* Get bytes of the serialized module.
*/
wasmer_byte_array wasmer_serialized_module_bytes(const wasmer_serialized_module_t *serialized_module);
/**
* Frees memory for the given serialized Module.
*/
void wasmer_serialized_module_destroy(wasmer_serialized_module_t *serialized_module);
/**
* Transform a sequence of bytes into a serialized module.
*
* The caller owns the object and should call `wasmer_serialized_module_destroy` to free it.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_serialized_module_from_bytes(wasmer_serialized_module_t **serialized_module,
const uint8_t *serialized_module_bytes,
uint32_t serialized_module_bytes_length);
/**
* Frees memory for the given Table
*/
void wasmer_table_destroy(wasmer_table_t *table);
/**
* Grows a Table by the given number of elements.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_table_grow(wasmer_table_t *table, uint32_t delta);
/**
* Returns the current length of the given Table
*/
uint32_t wasmer_table_length(wasmer_table_t *table);
/**
* Creates a new Table for the given descriptor and initializes the given
* pointer to pointer to a pointer to the new Table.
*
* The caller owns the object and should call `wasmer_table_destroy` to free it.
*
* Returns `wasmer_result_t::WASMER_OK` upon success.
*
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_table_new(wasmer_table_t **table, wasmer_limits_t limits);
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Adds a callinfo trampoline to the builder.
*/
uintptr_t wasmer_trampoline_buffer_builder_add_callinfo_trampoline(wasmer_trampoline_buffer_builder_t *builder,
const wasmer_trampoline_callable_t *func,
const void *ctx,
uint32_t num_params);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Adds a context trampoline to the builder.
*/
uintptr_t wasmer_trampoline_buffer_builder_add_context_trampoline(wasmer_trampoline_buffer_builder_t *builder,
const wasmer_trampoline_callable_t *func,
const void *ctx);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Finalizes the trampoline builder into an executable buffer.
*/
wasmer_trampoline_buffer_t *wasmer_trampoline_buffer_builder_build(wasmer_trampoline_buffer_builder_t *builder);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Creates a new trampoline builder.
*/
wasmer_trampoline_buffer_builder_t *wasmer_trampoline_buffer_builder_new(void);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Destroys the trampoline buffer if not null.
*/
void wasmer_trampoline_buffer_destroy(wasmer_trampoline_buffer_t *buffer);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Returns the callable pointer for the trampoline with index `idx`.
*/
const wasmer_trampoline_callable_t *wasmer_trampoline_buffer_get_trampoline(const wasmer_trampoline_buffer_t *buffer,
uintptr_t idx);
#endif
#if (!defined(_WIN32) && defined(ARCH_X86_64))
/**
* Returns the context added by `add_context_trampoline`, from within the callee function.
*/
void *wasmer_trampoline_get_context(void);
#endif
/**
* Returns true for valid wasm bytes and false for invalid bytes
*/
bool wasmer_validate(const uint8_t *wasm_bytes, uint32_t wasm_bytes_len);
/**
* Convenience function that creates a WASI import object with no arguments,
* environment variables, preopened files, or mapped directories.
*
* This function is the same as calling [`wasmer_wasi_generate_import_object`] with all
* empty values.
*/
wasmer_import_object_t *wasmer_wasi_generate_default_import_object(void);
/**
* Creates a WASI import object.
*
* This function treats null pointers as empty collections.
* For example, passing null for a string in `args`, will lead to a zero
* length argument in that position.
*/
wasmer_import_object_t *wasmer_wasi_generate_import_object(const wasmer_byte_array *args,
unsigned int args_len,
const wasmer_byte_array *envs,
unsigned int envs_len,
const wasmer_byte_array *preopened_files,
unsigned int preopened_files_len,
const wasmer_wasi_map_dir_entry_t *mapped_dirs,
unsigned int mapped_dirs_len);
#endif /* WASMER_H */