module.h
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Module loading functions.
This header defines all the module loading functions and the Module struct.
Enums
enum ModuleLoadResult
Values:
enumerator MODULE_LOAD_OK = 0
enumerator MODULE_ERROR_FAILED_ALLOCATION = 1
enumerator MODULE_ERROR_INVALID = 2
Functions
void module_get_imported_function_module_and_name ( const Module * this_module , int index , AtomString * module_atom , AtomString * function_atom , GlobalContext * glb )
Gets imported function module and name.
Gets imported function module and name given its import table index.
Parameters:
this_module – the module on which the function will be searched.
index – the modules import table offset to begin searching.
module_atom – module name atom string.
function_atom – function name atom string.
size_t module_get_exported_functions_count ( Module * this_module )
Count exported functions of a given module.
Get the number of exported functions. This function is used to compute the required heap size of the list of exported functions.
Parameters:
Returns:
the number of exported functions
uint32_t module_search_exported_function ( Module * this_module , AtomString func_name , int func_arity , GlobalContext * glb )
Gets exported function index by searching it by function name and arity.
Gets exported function index by searching it by function name and arity
Parameters:
this_module – the module on which the function will be searched.
func_name – function name atom string.
func_arity – function arity.
glb – the global context
static inline size_t module_get_exported_functions_list_size ( Module * this_module )
Determine heap size of exported functions list.
Parameters:
Returns:
the size, in terms, of the exported function list
term module_get_exported_functions ( Module * this_module , Heap * heap , GlobalContext * global )
Get the list of exported functions.
Create a list of exported functions of the form {FunctionName, Arity}
To create this list, the heap must be grown by module_get_exported_functions_list_size
terms.
Parameters:
this_module – the module to count exported functions of
heap – heap to allocate tuples
global – global context to fetch atoms
Returns:
a list of exported functions
void module_destroy ( Module * module )
Module * module_new_from_iff_binary ( GlobalContext * global , const void * iff_binary , unsigned long size )
Parse a BEAM file and returns a Module .
Parse a BEAM file a returns a newly allocated and initialized Module struct.
Parameters:
global – the global context.
iff_binary – the IFF file data.
size – the size of the buffer containing the IFF data.
term module_load_literal ( Module * mod , int index , Context * ctx )
Gets a literal stored on the literal table of the specified module.
Loads and deserialize a term stored in the literal table and returns a term.
Parameters:
mod – The module that owns that is going to be loaded.
index – a valid literal index.
ctx – the target context.
static inline AtomString module_get_atom_string_by_id ( const Module * mod , int local_atom_id , GlobalContext * glb )
Gets the AtomString for the given local atom id.
Gets an AtomString for the given local atom id from the global table.
Parameters:
mod – the module that owns the atom.
local_atom_id – module atom table index.
glb – the global context.
Returns:
the AtomString for the given module atom index.
static inline term module_get_atom_term_by_id ( const Module * mod , int local_atom_id )
Gets a term for the given local atom id.
Gets the global atom id for the the given local atom id and casts it to a term.
Parameters:
Returns:
a term for the given module atom index.
const struct ExportedFunction * module_resolve_function0 ( Module * mod , int import_table_index , struct UnresolvedFunctionCall * unresolved , GlobalContext * glb )
static inline term module_get_name ( const Module * mod )
Get the module name, as an atom term.
Parameters:
Returns:
a term for the given module atom index.
static inline const struct ExportedFunction * module_resolve_function ( Module * mod , int import_table_index , GlobalContext * glb )
Resolves an unresolved function reference.
Resolves an unresolved function reference and it replaces the unresolved reference with a ModuleFunction struct, also it loads the referenced module if it hasn’t been loaded yet.
Parameters:
static inline term module_address ( unsigned int module_index , unsigned int instruction_index )
static inline uint32_t module_get_fun_freeze ( const Module * this_module , int fun_index )
static inline void module_get_fun ( const Module * this_module , int fun_index , uint32_t * label , uint32_t * arity , uint32_t * n_freeze )
static inline const uint8_t * module_get_str ( Module * mod , size_t offset , size_t * remaining )
bool module_get_function_from_label ( Module * this_module , int label , AtomString * function_name , int * arity , GlobalContext * glb )
void module_insert_line_ref_offset ( Module * mod , int line_ref , int offset )
bool module_find_line ( Module * mod , unsigned int offset , uint32_t * line , size_t * filename_len , const uint8_t * * filename )
static inline bool module_has_line_chunk ( Module * mod )
Returns:
true if the module has line information, false, otherwise.
struct __attribute__
#include <module.h>
Public Members
char magic [ 4 ]
uint32_t size
uint32_t info_size
uint32_t version
uint32_t opcode_max
uint32_t labels
uint32_t functions_count
uint8_t code [ 1 ]
struct LiteralEntry
#include <module.h>
Public Members
uint32_t size
void const * data
struct ModuleFilename
#include <module.h>
Public Members
uint8_t * data
size_t len
struct LineRefOffset
#include <module.h>
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Public Members
struct ListHead head
unsigned int offset
uint16_t line_ref
struct Module
#include <module.h>
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Public Members
void * import_table
CodeChunk * code
void * export_table
void * local_table
void * atom_table
void * fun_table
void * str_table
size_t str_table_len
size_t line_refs_count
const uint8_t * line_refs_table
size_t locations_count
const uint8_t * locations_table
struct ListHead line_ref_offsets
const struct ExportedFunction * * imported_funcs
const uint8_t * * labels
void * literals_data
struct LiteralEntry * literals_table
int * local_atoms_to_global_table
void * module_platform_data
int module_index
int end_instruction_ii
unsigned int free_literals_data
Mutex * mutex