5#if defined(__x86_64__) && !defined(_ILP32) && defined(__GNUC__)
6#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movq\t%%rsp, %0" : "=r" (*(p)))
7#elif defined(__i386) && defined(__GNUC__)
8#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movl\t%%esp, %0" : "=r" (*(p)))
9#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && !defined(_AIX) && !defined(__APPLE__)
10#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr\t%0, %%r1" : "=r" (*(p)))
11#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && defined(_AIX)
12#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr %0,1" : "=r" (*(p)))
13#elif defined(__POWERPC__) && defined(__APPLE__)
14#define SET_MACHINE_STACK_END(p) __asm__ volatile("mr %0, r1" : "=r" (*(p)))
15#elif defined(__aarch64__) && defined(__GNUC__)
16#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mov\t%0, sp" : "=r" (*(p)))
18NOINLINE(
void rb_gc_set_stack_end(
VALUE **stack_end_p));
19#define SET_MACHINE_STACK_END(p) rb_gc_set_stack_end(p)
20#define USE_CONSERVATIVE_STACK_END
23#define RB_GC_SAVE_MACHINE_CONTEXT(th) \
25 FLUSH_REGISTER_WINDOWS; \
26 setjmp((th)->ec->machine.regs); \
27 SET_MACHINE_STACK_END(&(th)->ec->machine.stack_end); \
32#ifndef RUBY_MARK_FREE_DEBUG
33#define RUBY_MARK_FREE_DEBUG 0
36#if RUBY_MARK_FREE_DEBUG
37extern int ruby_gc_debug_indent;
40rb_gc_debug_indent(
void)
42 ruby_debug_printf(
"%*s", ruby_gc_debug_indent,
"");
46rb_gc_debug_body(
const char *mode,
const char *msg,
int st,
void *ptr)
49 ruby_gc_debug_indent--;
52 ruby_debug_printf(
"%s: %s %s (%p)\n", mode, st ?
"->" :
"<-", msg, ptr);
55 ruby_gc_debug_indent++;
61#define RUBY_MARK_ENTER(msg) rb_gc_debug_body("mark", (msg), 1, ptr)
62#define RUBY_MARK_LEAVE(msg) rb_gc_debug_body("mark", (msg), 0, ptr)
63#define RUBY_FREE_ENTER(msg) rb_gc_debug_body("free", (msg), 1, ptr)
64#define RUBY_FREE_LEAVE(msg) rb_gc_debug_body("free", (msg), 0, ptr)
65#define RUBY_GC_INFO rb_gc_debug_indent(), ruby_debug_printf
68#define RUBY_MARK_ENTER(msg)
69#define RUBY_MARK_LEAVE(msg)
70#define RUBY_FREE_ENTER(msg)
71#define RUBY_FREE_LEAVE(msg)
72#define RUBY_GC_INFO if(0)printf
75#define RUBY_MARK_MOVABLE_UNLESS_NULL(ptr) do { \
76 VALUE markobj = (ptr); \
77 if (RTEST(markobj)) {rb_gc_mark_movable(markobj);} \
79#define RUBY_MARK_UNLESS_NULL(ptr) do { \
80 VALUE markobj = (ptr); \
81 if (RTEST(markobj)) {rb_gc_mark(markobj);} \
83#define RUBY_FREE_UNLESS_NULL(ptr) if(ptr){ruby_xfree(ptr);(ptr)=NULL;}
85#if STACK_GROW_DIRECTION > 0
86# define STACK_UPPER(x, a, b) (a)
87#elif STACK_GROW_DIRECTION < 0
88# define STACK_UPPER(x, a, b) (b)
91int ruby_get_stack_grow_direction(
volatile VALUE *addr);
92# define stack_growup_p(x) ( \
93 (ruby_stack_grow_direction ? \
94 ruby_stack_grow_direction : \
95 ruby_get_stack_grow_direction(x)) > 0)
96# define STACK_UPPER(x, a, b) (stack_growup_p(x) ? (a) : (b))
107#if STACK_GROW_DIRECTION
108#define STACK_GROW_DIR_DETECTION
109#define STACK_DIR_UPPER(a,b) STACK_UPPER(0, (a), (b))
111#define STACK_GROW_DIR_DETECTION VALUE stack_grow_dir_detection
112#define STACK_DIR_UPPER(a,b) STACK_UPPER(&stack_grow_dir_detection, (a), (b))
114#define IS_STACK_DIR_UPPER() STACK_DIR_UPPER(1,0)
116const char *rb_obj_info(
VALUE obj);
117const char *rb_raw_obj_info(
char *
const buff,
const size_t buff_size,
VALUE obj);
121size_t rb_size_pool_slot_size(
unsigned char pool_id);
123RUBY_SYMBOL_EXPORT_BEGIN
126size_t rb_objspace_data_type_memsize(
VALUE obj);
127void rb_objspace_reachable_objects_from(
VALUE obj,
void (func)(
VALUE,
void *),
void *data);
128void rb_objspace_reachable_objects_from_root(
void (func)(
const char *category,
VALUE,
void *),
void *data);
129int rb_objspace_markable_object_p(
VALUE obj);
130int rb_objspace_internal_object_p(
VALUE obj);
131int rb_objspace_marked_object_p(
VALUE obj);
133void rb_objspace_each_objects(
134 int (*callback)(
void *start,
void *end,
size_t stride,
void *data),
137void rb_objspace_each_objects_without_setup(
138 int (*callback)(
void *,
void *,
size_t,
void *),
141size_t rb_gc_obj_slot_size(
VALUE obj);
143VALUE rb_gc_disable_no_rest(
void);
145RUBY_SYMBOL_EXPORT_END
#define RUBY_EXTERN
Declaration of externally visible global variables.
uintptr_t VALUE
Type that represents a Ruby object.