diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-14 15:09:35 +0000 |
commit | 1a74fa4b04da04bd2bb33103dd3cf431438df38e (patch) | |
tree | f4a1d6c2961339e0c1d653c0f8427a53315080f0 /ruby_2_2/gc.h | |
parent | a5b755e50e2d9aabf28ba24bf58644ca22b01a4f (diff) |
add tag v2_2_9
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_2_2/gc.h')
-rw-r--r-- | ruby_2_2/gc.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/ruby_2_2/gc.h b/ruby_2_2/gc.h new file mode 100644 index 0000000000..2ba46c9250 --- /dev/null +++ b/ruby_2_2/gc.h @@ -0,0 +1,107 @@ + +#ifndef RUBY_GC_H +#define RUBY_GC_H 1 + +#if defined(__x86_64__) && !defined(_ILP32) && defined(__GNUC__) && !defined(__native_client__) +#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movq\t%%rsp, %0" : "=r" (*(p))) +#elif defined(__i386) && defined(__GNUC__) && !defined(__native_client__) +#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movl\t%%esp, %0" : "=r" (*(p))) +#else +NOINLINE(void rb_gc_set_stack_end(VALUE **stack_end_p)); +#define SET_MACHINE_STACK_END(p) rb_gc_set_stack_end(p) +#define USE_CONSERVATIVE_STACK_END +#endif + +/* for GC debug */ + +#ifndef RUBY_MARK_FREE_DEBUG +#define RUBY_MARK_FREE_DEBUG 0 +#endif + +#if RUBY_MARK_FREE_DEBUG +extern int ruby_gc_debug_indent; + +static inline void +rb_gc_debug_indent(void) +{ + printf("%*s", ruby_gc_debug_indent, ""); +} + +static inline void +rb_gc_debug_body(const char *mode, const char *msg, int st, void *ptr) +{ + if (st == 0) { + ruby_gc_debug_indent--; + } + rb_gc_debug_indent(); + printf("%s: %s %s (%p)\n", mode, st ? "->" : "<-", msg, ptr); + + if (st) { + ruby_gc_debug_indent++; + } + + fflush(stdout); +} + +#define RUBY_MARK_ENTER(msg) rb_gc_debug_body("mark", (msg), 1, ptr) +#define RUBY_MARK_LEAVE(msg) rb_gc_debug_body("mark", (msg), 0, ptr) +#define RUBY_FREE_ENTER(msg) rb_gc_debug_body("free", (msg), 1, ptr) +#define RUBY_FREE_LEAVE(msg) rb_gc_debug_body("free", (msg), 0, ptr) +#define RUBY_GC_INFO rb_gc_debug_indent(); printf + +#else +#define RUBY_MARK_ENTER(msg) +#define RUBY_MARK_LEAVE(msg) +#define RUBY_FREE_ENTER(msg) +#define RUBY_FREE_LEAVE(msg) +#define RUBY_GC_INFO if(0)printf +#endif + +#define RUBY_MARK_UNLESS_NULL(ptr) if(RTEST(ptr)){rb_gc_mark(ptr);} +#define RUBY_FREE_UNLESS_NULL(ptr) if(ptr){ruby_xfree(ptr);(ptr)=NULL;} + +#if STACK_GROW_DIRECTION > 0 +# define STACK_UPPER(x, a, b) (a) +#elif STACK_GROW_DIRECTION < 0 +# define STACK_UPPER(x, a, b) (b) +#else +RUBY_EXTERN int ruby_stack_grow_direction; +int ruby_get_stack_grow_direction(volatile VALUE *addr); +# define stack_growup_p(x) ( \ + (ruby_stack_grow_direction ? \ + ruby_stack_grow_direction : \ + ruby_get_stack_grow_direction(x)) > 0) +# define STACK_UPPER(x, a, b) (stack_growup_p(x) ? (a) : (b)) +#endif + +#if STACK_GROW_DIRECTION +#define STACK_GROW_DIR_DETECTION +#define STACK_DIR_UPPER(a,b) STACK_UPPER(0, (a), (b)) +#else +#define STACK_GROW_DIR_DETECTION VALUE stack_grow_dir_detection +#define STACK_DIR_UPPER(a,b) STACK_UPPER(&stack_grow_dir_detection, (a), (b)) +#endif +#define IS_STACK_DIR_UPPER() STACK_DIR_UPPER(1,0) + +RUBY_SYMBOL_EXPORT_BEGIN + +/* exports for objspace module */ +size_t rb_objspace_data_type_memsize(VALUE obj); +void rb_objspace_reachable_objects_from(VALUE obj, void (func)(VALUE, void *), void *data); +void rb_objspace_reachable_objects_from_root(void (func)(const char *category, VALUE, void *), void *data); +int rb_objspace_markable_object_p(VALUE obj); +int rb_objspace_internal_object_p(VALUE obj); +int rb_objspace_marked_object_p(VALUE obj); +int rb_objspace_garbage_object_p(VALUE obj); + +void rb_objspace_each_objects( + int (*callback)(void *start, void *end, size_t stride, void *data), + void *data); + +void rb_objspace_each_objects_without_setup( + int (*callback)(void *, void *, size_t, void *), + void *data); + +RUBY_SYMBOL_EXPORT_END + +#endif /* RUBY_GC_H */ |