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-rw-r--r--libguile/whippet/api/gc-attrs.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/libguile/whippet/api/gc-attrs.h b/libguile/whippet/api/gc-attrs.h
new file mode 100644
index 000000000..44d5d47e6
--- /dev/null
+++ b/libguile/whippet/api/gc-attrs.h
@@ -0,0 +1,69 @@
+#ifndef GC_ATTRS_H
+#define GC_ATTRS_H
+
+#include "gc-inline.h"
+#include "gc-allocation-kind.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+enum gc_allocator_kind {
+ GC_ALLOCATOR_INLINE_BUMP_POINTER,
+ GC_ALLOCATOR_INLINE_FREELIST,
+ GC_ALLOCATOR_INLINE_NONE
+};
+
+static inline enum gc_allocator_kind gc_allocator_kind(void) GC_ALWAYS_INLINE;
+static inline size_t gc_allocator_large_threshold(void) GC_ALWAYS_INLINE;
+static inline size_t gc_allocator_small_granule_size(void) GC_ALWAYS_INLINE;
+
+static inline size_t gc_allocator_allocation_pointer_offset(void) GC_ALWAYS_INLINE;
+static inline size_t gc_allocator_allocation_limit_offset(void) GC_ALWAYS_INLINE;
+
+static inline size_t gc_allocator_freelist_offset(size_t size,
+ enum gc_allocation_kind kind) GC_ALWAYS_INLINE;
+
+static inline size_t gc_allocator_alloc_table_alignment(void) GC_ALWAYS_INLINE;
+static inline uint8_t gc_allocator_alloc_table_begin_pattern(enum gc_allocation_kind kind) GC_ALWAYS_INLINE;
+static inline uint8_t gc_allocator_alloc_table_end_pattern(void) GC_ALWAYS_INLINE;
+
+enum gc_old_generation_check_kind {
+ GC_OLD_GENERATION_CHECK_NONE,
+ GC_OLD_GENERATION_CHECK_ALLOC_TABLE,
+ GC_OLD_GENERATION_CHECK_SMALL_OBJECT_NURSERY,
+ GC_OLD_GENERATION_CHECK_SLOW
+};
+
+static inline enum gc_old_generation_check_kind gc_old_generation_check_kind(size_t obj_size) GC_ALWAYS_INLINE;
+
+static inline uint8_t gc_old_generation_check_alloc_table_tag_mask(void) GC_ALWAYS_INLINE;
+static inline uint8_t gc_old_generation_check_alloc_table_young_tag(void) GC_ALWAYS_INLINE;
+
+enum gc_write_barrier_kind {
+ GC_WRITE_BARRIER_NONE,
+ GC_WRITE_BARRIER_FIELD,
+ GC_WRITE_BARRIER_SLOW
+};
+
+static inline enum gc_write_barrier_kind gc_write_barrier_kind(size_t obj_size) GC_ALWAYS_INLINE;
+static inline size_t gc_write_barrier_field_table_alignment(void) GC_ALWAYS_INLINE;
+static inline ptrdiff_t gc_write_barrier_field_table_offset(void) GC_ALWAYS_INLINE;
+static inline size_t gc_write_barrier_field_fields_per_byte(void) GC_ALWAYS_INLINE;
+static inline uint8_t gc_write_barrier_field_first_bit_pattern(void) GC_ALWAYS_INLINE;
+
+enum gc_safepoint_mechanism {
+ GC_SAFEPOINT_MECHANISM_COOPERATIVE,
+ GC_SAFEPOINT_MECHANISM_SIGNAL,
+};
+static inline enum gc_safepoint_mechanism gc_safepoint_mechanism(void) GC_ALWAYS_INLINE;
+
+enum gc_cooperative_safepoint_kind {
+ GC_COOPERATIVE_SAFEPOINT_NONE,
+ GC_COOPERATIVE_SAFEPOINT_MUTATOR_FLAG,
+ GC_COOPERATIVE_SAFEPOINT_HEAP_FLAG,
+};
+static inline enum gc_cooperative_safepoint_kind gc_cooperative_safepoint_kind(void) GC_ALWAYS_INLINE;
+
+static inline int gc_can_pin_objects(void) GC_ALWAYS_INLINE;
+
+#endif // GC_ATTRS_H