Wasmtime
config.h
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1
7#ifndef WASMTIME_CONFIG_H
8#define WASMTIME_CONFIG_H
9
10#include <wasm.h>
11#include <wasmtime/conf.h>
12#include <wasmtime/error.h>
13
14#ifdef __cplusplus
15extern "C" {
16#endif
17
22typedef uint8_t wasmtime_strategy_t;
23
29enum wasmtime_strategy_enum { // Strategy
33
37};
38
44typedef uint8_t wasmtime_opt_level_t;
45
51enum wasmtime_opt_level_enum { // OptLevel
59};
60
67
73enum wasmtime_profiling_strategy_enum { // ProfilingStrategy
88};
89
90#define WASMTIME_CONFIG_PROP(ret, name, ty) \
91 WASM_API_EXTERN ret wasmtime_config_##name##_set(wasm_config_t *, ty);
92
102WASMTIME_CONFIG_PROP(void, debug_info, bool)
103
104
111WASMTIME_CONFIG_PROP(void, consume_fuel, bool)
112
127WASMTIME_CONFIG_PROP(void, epoch_interruption, bool)
128
142WASMTIME_CONFIG_PROP(void, max_wasm_stack, size_t)
143
144#ifdef WASMTIME_FEATURE_THREADS
145
153WASMTIME_CONFIG_PROP(void, wasm_threads, bool)
154
155#endif // WASMTIME_FEATURE_THREADS
156
162WASMTIME_CONFIG_PROP(void, wasm_tail_call, bool)
163
164
170WASMTIME_CONFIG_PROP(void, wasm_reference_types, bool)
171
178WASMTIME_CONFIG_PROP(void, wasm_function_references, bool)
179
185WASMTIME_CONFIG_PROP(void, wasm_gc, bool)
186
193WASMTIME_CONFIG_PROP(void, wasm_simd, bool)
194
201WASMTIME_CONFIG_PROP(void, wasm_relaxed_simd, bool)
202
209WASMTIME_CONFIG_PROP(void, wasm_relaxed_simd_deterministic, bool)
210
217WASMTIME_CONFIG_PROP(void, wasm_bulk_memory, bool)
218
225WASMTIME_CONFIG_PROP(void, wasm_multi_value, bool)
226
233WASMTIME_CONFIG_PROP(void, wasm_multi_memory, bool)
234
241WASMTIME_CONFIG_PROP(void, wasm_memory64, bool)
242
249WASMTIME_CONFIG_PROP(void, wasm_wide_arithmetic, bool)
250
256WASMTIME_CONFIG_PROP(void, wasm_exceptions, bool)
257
264WASMTIME_CONFIG_PROP(void, wasm_custom_page_sizes, bool)
265
266#ifdef WASMTIME_FEATURE_COMPILER
267
274WASMTIME_CONFIG_PROP(void, wasm_stack_switching, bool)
275
276
281WASMTIME_CONFIG_PROP(void, strategy, wasmtime_strategy_t)
282
283#endif // WASMTIME_FEATURE_COMPILER
284
285#ifdef WASMTIME_FEATURE_PARALLEL_COMPILATION
286
294WASMTIME_CONFIG_PROP(void, parallel_compilation, bool)
295
296#endif // WASMTIME_FEATURE_PARALLEL_COMPILATION
297
298#ifdef WASMTIME_FEATURE_COMPILER
299
308WASMTIME_CONFIG_PROP(void, cranelift_debug_verifier, bool)
309
310
323WASMTIME_CONFIG_PROP(void, cranelift_nan_canonicalization, bool)
324
330WASMTIME_CONFIG_PROP(void, cranelift_opt_level, wasmtime_opt_level_t)
331
332#endif // WASMTIME_FEATURE_COMPILER
333
339WASMTIME_CONFIG_PROP(void, profiler, wasmtime_profiling_strategy_t)
340
341
350WASMTIME_CONFIG_PROP(void, memory_may_move, bool)
351
359WASMTIME_CONFIG_PROP(void, memory_reservation, uint64_t)
360
367WASMTIME_CONFIG_PROP(void, memory_guard_size, uint64_t)
368
376WASMTIME_CONFIG_PROP(void, memory_reservation_for_growth, uint64_t)
377
387WASMTIME_CONFIG_PROP(void, native_unwind_info, bool)
388
389#ifdef WASMTIME_FEATURE_CACHE
390
403WASM_API_EXTERN wasmtime_error_t *
405
406#endif // WASMTIME_FEATURE_CACHE
407
420WASMTIME_CONFIG_PROP(wasmtime_error_t *, target, const char *)
421
422#ifdef WASMTIME_FEATURE_COMPILER
423
434 const char *);
435
446 const char *key,
447 const char *value);
448
449#endif // WASMTIME_FEATURE_COMPILER
450
460WASMTIME_CONFIG_PROP(void, macos_use_mach_ports, bool)
461
462
473WASMTIME_CONFIG_PROP(void, signals_based_traps, bool)
474
484typedef uint8_t *(*wasmtime_memory_get_callback_t)(void *env, size_t *byte_size,
485 size_t *byte_capacity);
486
494 size_t new_size);
495
504 void *env;
510 void (*finalizer)(void *);
512
524typedef wasmtime_error_t *(*wasmtime_new_memory_callback_t)(
525 void *env, const wasm_memorytype_t *ty, size_t minimum, size_t maximum,
526 size_t reserved_size_in_bytes, size_t guard_size_in_bytes,
527 wasmtime_linear_memory_t *memory_ret);
528
538 void *env;
542 void (*finalizer)(void *);
544
558WASM_API_EXTERN void
561
579WASMTIME_CONFIG_PROP(void, memory_init_cow, bool)
580
581#ifdef WASMTIME_FEATURE_POOLING_ALLOCATOR
582
591
598
605
606#define WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(name, ty) \
607 WASM_API_EXTERN void wasmtime_pooling_allocation_config_##name##_set( \
608 wasmtime_pooling_allocation_config_t *, ty);
609
617WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_unused_warm_slots, uint32_t)
618
619
625WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(decommit_batch_size, size_t)
626
627#ifdef WASMTIME_FEATURE_ASYNC
635WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(async_stack_keep_resident, size_t)
636#endif
637
645WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(linear_memory_keep_resident, size_t)
646
647
654WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(table_keep_resident, size_t)
655
663WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_component_instances, uint32_t)
664
672WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_component_instance_size, size_t)
673
681WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_core_instances_per_component,
682 uint32_t)
683
691WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_memories_per_component, uint32_t)
692
700WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_tables_per_component, uint32_t)
701
709WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_memories, uint32_t)
710
717WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_tables, uint32_t)
718
719#ifdef WASMTIME_FEATURE_ASYNC
727WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_stacks, uint32_t)
728#endif
729
737WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_core_instances, uint32_t)
738
739
746WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_core_instance_size, size_t)
747
754WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_tables_per_module, uint32_t)
755
763WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(table_elements, size_t)
764
772WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_memories_per_module, uint32_t)
773
780WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(max_memory_size, size_t)
781
788WASMTIME_POOLING_ALLOCATION_CONFIG_PROP(total_gc_heaps, uint32_t)
789
800
801#endif // WASMTIME_FEATURE_POOLING_ALLOCATOR
802
803#ifdef WASMTIME_FEATURE_COMPONENT_MODEL
804
812WASMTIME_CONFIG_PROP(void, wasm_component_model, bool)
813
814#endif // WASMTIME_FEATURE_COMPONENT_MODEL
815
816#ifdef __cplusplus
817} // extern "C"
818#endif
819
820#endif // WASMTIME_CONFIG_H
Build-time defines for how the C API was built.
void wasmtime_config_cranelift_flag_set(wasm_config_t *, const char *key, const char *value)
Sets a target-specific flag in Cranelift to the specified value.
wasmtime_error_t * wasmtime_config_cache_config_load(wasm_config_t *, const char *)
Enables Wasmtime's cache and loads configuration from the specified path.
struct wasmtime_memory_creator wasmtime_memory_creator_t
struct wasmtime_linear_memory wasmtime_linear_memory_t
uint8_t wasmtime_strategy_t
Specifier for how Wasmtime will compile code, values are in wasmtime_strategy_enum.
Definition: config.h:22
wasmtime_pooling_allocation_config_t * wasmtime_pooling_allocation_config_new()
Creates a new pooling allocation configuration object. Must be deallocated with a call to wasmtime_po...
void wasmtime_config_cranelift_flag_enable(wasm_config_t *, const char *)
Enables a target-specific flag in Cranelift.
void wasmtime_pooling_allocation_strategy_set(wasm_config_t *, const wasmtime_pooling_allocation_config_t *)
Sets the Wasmtime allocation strategy to use the pooling allocator. It does not take ownership of the...
uint8_t wasmtime_profiling_strategy_t
Different ways wasmtime can enable profiling JIT code.
Definition: config.h:66
wasmtime_profiling_strategy_enum
Different ways to profile JIT code.
Definition: config.h:73
@ WASMTIME_PROFILING_STRATEGY_VTUNE
Definition: config.h:83
@ WASMTIME_PROFILING_STRATEGY_PERFMAP
Definition: config.h:87
@ WASMTIME_PROFILING_STRATEGY_NONE
No profiling is enabled at runtime.
Definition: config.h:75
@ WASMTIME_PROFILING_STRATEGY_JITDUMP
Definition: config.h:78
wasmtime_strategy_enum
Different ways that Wasmtime can compile WebAssembly.
Definition: config.h:29
@ WASMTIME_STRATEGY_CRANELIFT
Definition: config.h:36
@ WASMTIME_STRATEGY_AUTO
Definition: config.h:32
uint8_t *(* wasmtime_memory_get_callback_t)(void *env, size_t *byte_size, size_t *byte_capacity)
Definition: config.h:484
wasmtime_opt_level_enum
Different ways Wasmtime can optimize generated code.
Definition: config.h:51
@ WASMTIME_OPT_LEVEL_SPEED_AND_SIZE
Definition: config.h:58
@ WASMTIME_OPT_LEVEL_NONE
Generated code will not be optimized at all.
Definition: config.h:53
@ WASMTIME_OPT_LEVEL_SPEED
Generated code will be optimized purely for speed.
Definition: config.h:55
void wasmtime_config_host_memory_creator_set(wasm_config_t *, wasmtime_memory_creator_t *)
uint8_t wasmtime_opt_level_t
Specifier of what optimization level to use for generated JIT code.
Definition: config.h:44
void wasmtime_pooling_allocation_config_delete(wasmtime_pooling_allocation_config_t *)
Deallocates a pooling allocation configuration object created with a call to wasmtime_pooling_allocat...
wasmtime_error_t *(* wasmtime_new_memory_callback_t)(void *env, const wasm_memorytype_t *ty, size_t minimum, size_t maximum, size_t reserved_size_in_bytes, size_t guard_size_in_bytes, wasmtime_linear_memory_t *memory_ret)
Definition: config.h:524
wasmtime_error_t *(* wasmtime_memory_grow_callback_t)(void *env, size_t new_size)
Definition: config.h:493
struct wasmtime_pooling_allocation_config_t wasmtime_pooling_allocation_config_t
A type containing configuration options for the pooling allocator.
Definition: config.h:589
Definition and accessors of wasmtime_error_t.
Global engine configuration.
An opaque object representing the type of a memory.
Errors generated by Wasmtime.
Definition: config.h:502
wasmtime_memory_get_callback_t get_memory
Callback to get the memory and size of this LinearMemory.
Definition: config.h:506
void * env
User provided value to be passed to get_memory and grow_memory.
Definition: config.h:504
wasmtime_memory_grow_callback_t grow_memory
Callback to request growing the memory.
Definition: config.h:508
Definition: config.h:536
void(* finalizer)(void *)
An optional finalizer for env.
Definition: config.h:542
wasmtime_new_memory_callback_t new_memory
The callback to create new memory, must be thread safe.
Definition: config.h:540
void * env
User provided value to be passed to new_memory.
Definition: config.h:538