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Update Emscripten API layout; expose inner parts to to C API; add test

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This commit is contained in:
Mark McCaskey
2019-12-16 15:45:28 -05:00
parent f1c95a81ab
commit e86b3941d0
10 changed files with 484 additions and 58 deletions
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53
lib/runtime-c-api/wasmer.h
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@ -14,6 +14,7 @@
#endif
#endif
#define WASMER_EMSCRIPTEN_ENABLED
#endif // WASMER_H_MACROS
@ -74,6 +75,15 @@ typedef struct {
} wasmer_module_t;
typedef struct {
} wasmer_instance_t;
typedef struct {
const uint8_t *bytes;
uint32_t bytes_len;
} wasmer_byte_array;
#if defined(WASMER_EMSCRIPTEN_ENABLED)
/**
* Type used to construct an import_object_t with Emscripten imports.
@ -94,11 +104,6 @@ typedef struct {
} wasmer_export_descriptor_t;
typedef struct {
const uint8_t *bytes;
uint32_t bytes_len;
} wasmer_byte_array;
/**
* Opaque pointer to `NamedExportDescriptors`.
*/
@ -191,10 +196,6 @@ typedef struct {
typedef struct {
} wasmer_instance_t;
typedef struct {
} wasmer_instance_context_t;
typedef struct {
@ -256,6 +257,23 @@ wasmer_result_t wasmer_compile(wasmer_module_t **module,
uint8_t *wasm_bytes,
uint32_t wasm_bytes_len);
#if defined(WASMER_EMSCRIPTEN_ENABLED)
/**
* Convenience function for setting up arguments and calling the Emscripten
* main function.
*
* WARNING:
*
* Do not call this function on untrusted code when operating without
* additional sandboxing in place.
* Emscripten has access to many host system calls and therefore may do very
* bad things.
*/
wasmer_result_t wasmer_emscripten_call_main(wasmer_instance_t *instance,
const wasmer_byte_array *args,
unsigned int args_len);
#endif
#if defined(WASMER_EMSCRIPTEN_ENABLED)
/**
* Destroy `wasmer_emscrpten_globals_t` created by
@ -269,6 +287,11 @@ void wasmer_emscripten_destroy_emscripten_globals(wasmer_emscripten_globals_t *g
* Create a `wasmer_import_object_t` with Emscripten imports, use
* `wasmer_emscripten_get_emscripten_globals` to get a
* `wasmer_emscripten_globals_t` from a `wasmer_module_t`.
*
* WARNING:
*1
* This `import_object_t` contains thin-wrappers around host system calls.
* Do not use this to execute untrusted code without additional sandboxing.
*/
wasmer_import_object_t *wasmer_emscripten_generate_import_object(wasmer_emscripten_globals_t *globals);
#endif
@ -280,6 +303,18 @@ wasmer_import_object_t *wasmer_emscripten_generate_import_object(wasmer_emscript
wasmer_emscripten_globals_t *wasmer_emscripten_get_emscripten_globals(const wasmer_module_t *module);
#endif
#if defined(WASMER_EMSCRIPTEN_ENABLED)
/**
* Execute global constructors (required if the module is compiled from C++)
* and sets up the internal environment.
*
* This function sets the data pointer in the same way that
* [`wasmer_instance_context_data_set`] does.
*/
wasmer_result_t wasmer_emscripten_set_up_emscripten(wasmer_instance_t *instance,
wasmer_emscripten_globals_t *globals);
#endif
/**
* Gets export descriptor kind
*/