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
86 extern VALUE *ruby_initial_gc_stress_ptr;
87 extern int ruby_disable_gc;
88 RUBY_ATTR_MALLOC
void *ruby_mimmalloc(
size_t size);
89 void ruby_mimfree(
void *ptr);
93 void ruby_gc_set_params(
void);
94 void rb_copy_wb_protected_attribute(
VALUE dest,
VALUE obj);
95 #if __has_attribute(alloc_align)
96 __attribute__((__alloc_align__(1)))
98 RUBY_ATTR_MALLOC
void *rb_aligned_malloc(
size_t,
size_t) RUBY_ATTR_ALLOC_SIZE((2));
99 size_t rb_size_mul_or_raise(
size_t,
size_t,
VALUE);
100 size_t rb_size_mul_add_or_raise(
size_t,
size_t,
size_t,
VALUE);
101 RUBY_ATTR_MALLOC
void *rb_xmalloc_mul_add(
size_t,
size_t,
size_t);
102 void *rb_xrealloc_mul_add(
const void *,
size_t,
size_t,
size_t);
103 RUBY_ATTR_MALLOC
void *rb_xmalloc_mul_add_mul(
size_t,
size_t,
size_t,
size_t);
104 RUBY_ATTR_MALLOC
void *rb_xcalloc_mul_add_mul(
size_t,
size_t,
size_t,
size_t);
105 static 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));
106 static 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));
107 static inline void ruby_sized_xfree_inlined(
void *ptr,
size_t size);
108 VALUE rb_class_allocate_instance(
VALUE klass);
110 size_t rb_gc_obj_slot_size(
VALUE obj);
111 bool rb_gc_size_allocatable_p(
size_t size);
112 int rb_objspace_garbage_object_p(
VALUE obj);
114 RUBY_SYMBOL_EXPORT_BEGIN
116 const char *rb_objspace_data_type_name(
VALUE obj);
120 size_t rb_obj_memsize_of(
VALUE);
121 void rb_gc_verify_internal_consistency(
void);
122 size_t rb_obj_gc_flags(
VALUE,
ID[],
size_t);
123 void rb_gc_mark_values(
long n,
const VALUE *values);
124 void rb_gc_mark_vm_stack_values(
long n,
const VALUE *values);
125 void *ruby_sized_xrealloc(
void *ptr,
size_t new_size,
size_t old_size) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2));
126 void *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));
127 void ruby_sized_xfree(
void *x,
size_t size);
128 RUBY_SYMBOL_EXPORT_END
130 MJIT_SYMBOL_EXPORT_BEGIN
132 void rb_gc_writebarrier_remember(
VALUE obj);
133 const char *rb_obj_info(
VALUE obj);
134 MJIT_SYMBOL_EXPORT_END
136 #if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
139 ruby_sized_xrealloc_inlined(
void *ptr,
size_t new_size,
size_t old_size)
145 ruby_sized_xrealloc2_inlined(
void *ptr,
size_t new_count,
size_t elemsiz,
size_t old_count)
151 ruby_sized_xfree_inlined(
void *ptr,
size_t size)
156 # define SIZED_REALLOC_N(x, y, z, w) REALLOC_N(x, y, z)
161 ruby_sized_xrealloc_inlined(
void *ptr,
size_t new_size,
size_t old_size)
163 return ruby_sized_xrealloc(ptr, new_size, old_size);
167 ruby_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);
173 ruby_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
uint32_t rb_event_flag_t
Represents event(s).
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
uintptr_t VALUE
Type that represents a Ruby object.
void ruby_xfree(void *ptr)
Deallocates a storage instance.
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...