11#include "ruby/internal/config.h"
15#include "internal/compilers.h"
27#define RVALUE_SIZE (sizeof(struct RBasic) + sizeof(VALUE[RBIMPL_RVALUE_EMBED_LEN_MAX]))
29#define RB_RVARGC_NEWOBJ_OF(var, T, c, f, s) \
30 T *(var) = (T *)(((f) & FL_WB_PROTECTED) ? \
31 rb_wb_protected_newobj_of((c), (f) & ~FL_WB_PROTECTED, s) : \
32 rb_wb_unprotected_newobj_of((c), (f), s))
34#define RB_RVARGC_EC_NEWOBJ_OF(ec, var, T, c, f, s) \
35 T *(var) = (T *)(((f) & FL_WB_PROTECTED) ? \
36 rb_ec_wb_protected_newobj_of((ec), (c), (f) & ~FL_WB_PROTECTED, s) : \
37 rb_wb_unprotected_newobj_of((c), (f), s))
40#define RB_NEWOBJ_OF(var, T, c, f) RB_RVARGC_NEWOBJ_OF(var, T, c, f, RVALUE_SIZE)
42#define RB_EC_NEWOBJ_OF(ec, var, T, c, f) RB_RVARGC_EC_NEWOBJ_OF(ec, var, T, c, f, RVALUE_SIZE)
44#define NEWOBJ_OF(var, T, c, f) RB_NEWOBJ_OF((var), T, (c), (f))
45#define RVARGC_NEWOBJ_OF(var, T, c, f, s) RB_RVARGC_NEWOBJ_OF((var), T, (c), (f), (s))
46#define RB_OBJ_GC_FLAGS_MAX 6
48#ifndef USE_UNALIGNED_MEMBER_ACCESS
49# define UNALIGNED_MEMBER_ACCESS(expr) (expr)
50#elif ! USE_UNALIGNED_MEMBER_ACCESS
51# define UNALIGNED_MEMBER_ACCESS(expr) (expr)
52#elif ! (__has_warning("-Waddress-of-packed-member") || GCC_VERSION_SINCE(9, 0, 0))
53# define UNALIGNED_MEMBER_ACCESS(expr) (expr)
55# include "internal/warnings.h"
56# define UNALIGNED_MEMBER_ACCESS(expr) __extension__({ \
57 COMPILER_WARNING_PUSH; \
58 COMPILER_WARNING_IGNORED(-Waddress-of-packed-member); \
59 __typeof__(expr) unaligned_member_access_result = (expr); \
60 COMPILER_WARNING_POP; \
61 unaligned_member_access_result; \
65#define UNALIGNED_MEMBER_PTR(ptr, mem) UNALIGNED_MEMBER_ACCESS(&(ptr)->mem)
66#define RB_OBJ_WRITE(a, slot, b) \
67 rb_obj_write((VALUE)(a), UNALIGNED_MEMBER_ACCESS((VALUE *)(slot)), \
68 (VALUE)(b), __FILE__, __LINE__)
71# define SIZE_POOL_COUNT 4
73# define SIZE_POOL_COUNT 1
86extern VALUE *ruby_initial_gc_stress_ptr;
87extern int ruby_disable_gc;
88RUBY_ATTR_MALLOC
void *ruby_mimmalloc(
size_t size);
89void ruby_mimfree(
void *ptr);
90void rb_objspace_set_event_hook(
const rb_event_flag_t event);
93void ruby_gc_set_params(
void);
94void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj);
95#if __has_attribute(alloc_align)
96__attribute__((__alloc_align__(1)))
98RUBY_ATTR_MALLOC
void *rb_aligned_malloc(
size_t,
size_t) RUBY_ATTR_ALLOC_SIZE((2));
99size_t rb_size_mul_or_raise(
size_t,
size_t, VALUE);
100size_t rb_size_mul_add_or_raise(
size_t,
size_t,
size_t, VALUE);
101RUBY_ATTR_MALLOC
void *rb_xmalloc_mul_add(
size_t,
size_t,
size_t);
102void *rb_xrealloc_mul_add(
const void *,
size_t,
size_t,
size_t);
103RUBY_ATTR_MALLOC
void *rb_xmalloc_mul_add_mul(
size_t,
size_t,
size_t,
size_t);
104RUBY_ATTR_MALLOC
void *rb_xcalloc_mul_add_mul(
size_t,
size_t,
size_t,
size_t);
105static inline void *ruby_sized_xrealloc_inlined(
void *ptr,
size_t new_size,
size_t old_size) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2));
106static inline void *ruby_sized_xrealloc2_inlined(
void *ptr,
size_t new_count,
size_t elemsiz,
size_t old_count) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2, 3));
107static inline void ruby_sized_xfree_inlined(
void *ptr,
size_t size);
108VALUE rb_class_allocate_instance(VALUE klass);
110size_t rb_gc_obj_slot_size(VALUE obj);
111bool rb_gc_size_allocatable_p(
size_t size);
112int rb_objspace_garbage_object_p(VALUE obj);
114RUBY_SYMBOL_EXPORT_BEGIN
116const char *rb_objspace_data_type_name(VALUE obj);
117VALUE rb_wb_protected_newobj_of(VALUE, VALUE,
size_t);
118VALUE rb_wb_unprotected_newobj_of(VALUE, VALUE,
size_t);
120size_t rb_obj_memsize_of(VALUE);
121void rb_gc_verify_internal_consistency(
void);
122size_t rb_obj_gc_flags(VALUE, ID[],
size_t);
123void rb_gc_mark_values(
long n,
const VALUE *values);
124void rb_gc_mark_vm_stack_values(
long n,
const VALUE *values);
125void *ruby_sized_xrealloc(
void *ptr,
size_t new_size,
size_t old_size) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2));
126void *ruby_sized_xrealloc2(
void *ptr,
size_t new_count,
size_t element_size,
size_t old_count) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2, 3));
127void ruby_sized_xfree(
void *x,
size_t size);
128RUBY_SYMBOL_EXPORT_END
130MJIT_SYMBOL_EXPORT_BEGIN
132void rb_gc_writebarrier_remember(VALUE obj);
133const char *rb_obj_info(VALUE obj);
134MJIT_SYMBOL_EXPORT_END
136#if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
139ruby_sized_xrealloc_inlined(
void *ptr,
size_t new_size,
size_t old_size)
145ruby_sized_xrealloc2_inlined(
void *ptr,
size_t new_count,
size_t elemsiz,
size_t old_count)
151ruby_sized_xfree_inlined(
void *ptr,
size_t size)
156# define SIZED_REALLOC_N(x, y, z, w) REALLOC_N(x, y, z)
161ruby_sized_xrealloc_inlined(
void *ptr,
size_t new_size,
size_t old_size)
163 return ruby_sized_xrealloc(ptr, new_size, old_size);
167ruby_sized_xrealloc2_inlined(
void *ptr,
size_t new_count,
size_t elemsiz,
size_t old_count)
169 return ruby_sized_xrealloc2(ptr, new_count, elemsiz, old_count);
173ruby_sized_xfree_inlined(
void *ptr,
size_t size)
175 ruby_sized_xfree(ptr, size);
178# define SIZED_REALLOC_N(v, T, m, n) \
179 ((v) = (T *)ruby_sized_xrealloc2((void *)(v), (m), sizeof(T), (n)))
183#define ruby_sized_xrealloc ruby_sized_xrealloc_inlined
184#define ruby_sized_xrealloc2 ruby_sized_xrealloc2_inlined
185#define ruby_sized_xfree ruby_sized_xfree_inlined
void * ruby_xrealloc(void *ptr, size_t newsiz)
Resize the storage instance.
void * ruby_xrealloc2(void *ptr, size_t newelems, size_t newsiz)
Identical to ruby_xrealloc(), except it resizes the given storage instance to newelems * newsiz bytes...
void ruby_xfree(void *ptr)
Deallocates a storage instance.