diff options
Diffstat (limited to 'libguile/whippet/api/pcc-attrs.h')
-rw-r--r-- | libguile/whippet/api/pcc-attrs.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libguile/whippet/api/pcc-attrs.h b/libguile/whippet/api/pcc-attrs.h new file mode 100644 index 000000000..12a555a5d --- /dev/null +++ b/libguile/whippet/api/pcc-attrs.h @@ -0,0 +1,92 @@ +#ifndef PCC_ATTRS_H +#define PCC_ATTRS_H + +#include "gc-config.h" +#include "gc-assert.h" +#include "gc-attrs.h" + +static const uintptr_t GC_ALIGNMENT = 8; +static const size_t GC_LARGE_OBJECT_THRESHOLD = 8192; + +static inline enum gc_allocator_kind gc_allocator_kind(void) { + return GC_ALLOCATOR_INLINE_BUMP_POINTER; +} +static inline size_t gc_allocator_small_granule_size(void) { + return GC_ALIGNMENT; +} +static inline size_t gc_allocator_large_threshold(void) { + return GC_LARGE_OBJECT_THRESHOLD; +} + +static inline size_t gc_allocator_allocation_pointer_offset(void) { + return sizeof(uintptr_t) * 0; +} +static inline size_t gc_allocator_allocation_limit_offset(void) { + return sizeof(uintptr_t) * 1; +} + +static inline size_t gc_allocator_freelist_offset(size_t size, enum gc_allocation_kind kind) { + GC_CRASH(); +} + +static inline size_t gc_allocator_alloc_table_alignment(void) { + return 0; +} +static inline uint8_t gc_allocator_alloc_table_begin_pattern(enum gc_allocation_kind kind) { + GC_CRASH(); +} +static inline uint8_t gc_allocator_alloc_table_end_pattern(void) { + GC_CRASH(); +} + +static inline enum gc_old_generation_check_kind gc_old_generation_check_kind(size_t size) { + if (!GC_GENERATIONAL) + return GC_OLD_GENERATION_CHECK_NONE; + if (size <= gc_allocator_large_threshold()) + return GC_OLD_GENERATION_CHECK_SMALL_OBJECT_NURSERY; + return GC_OLD_GENERATION_CHECK_SLOW; +} +static inline uint8_t gc_old_generation_check_alloc_table_tag_mask(void) { + GC_CRASH(); +} +static inline uint8_t gc_old_generation_check_alloc_table_young_tag(void) { + GC_CRASH(); +} + +static inline enum gc_write_barrier_kind gc_write_barrier_kind(size_t obj_size) { + if (!GC_GENERATIONAL) + return GC_WRITE_BARRIER_NONE; + if (obj_size <= gc_allocator_large_threshold()) + return GC_WRITE_BARRIER_FIELD; + return GC_WRITE_BARRIER_SLOW; +} +static inline size_t gc_write_barrier_field_table_alignment(void) { + GC_ASSERT(GC_GENERATIONAL); + return 64 * 1024 * 1024; +} +static inline ptrdiff_t gc_write_barrier_field_table_offset(void) { + GC_ASSERT(GC_GENERATIONAL); + return 128 * 1024; +} +static inline size_t gc_write_barrier_field_fields_per_byte(void) { + GC_ASSERT(GC_GENERATIONAL); + return 8; +} +static inline uint8_t gc_write_barrier_field_first_bit_pattern(void) { + GC_ASSERT(GC_GENERATIONAL); + return 1; +} + +static inline enum gc_safepoint_mechanism gc_safepoint_mechanism(void) { + return GC_SAFEPOINT_MECHANISM_COOPERATIVE; +} + +static inline enum gc_cooperative_safepoint_kind gc_cooperative_safepoint_kind(void) { + return GC_COOPERATIVE_SAFEPOINT_HEAP_FLAG; +} + +static inline int gc_can_pin_objects(void) { + return 0; +} + +#endif // PCC_ATTRS_H |