diff options
Diffstat (limited to 'gc.h')
| -rw-r--r-- | gc.h | 143 |
1 files changed, 0 insertions, 143 deletions
@@ -1,143 +0,0 @@ -#ifndef RUBY_GC_H -#define RUBY_GC_H 1 -#include "ruby/ruby.h" - -#if defined(__x86_64__) && !defined(_ILP32) && defined(__GNUC__) -#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movq\t%%rsp, %0" : "=r" (*(p))) -#elif defined(__i386) && defined(__GNUC__) -#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movl\t%%esp, %0" : "=r" (*(p))) -#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && !defined(_AIX) -#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr\t%0, %%r1" : "=r" (*(p))) -#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && defined(_AIX) -#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr %0,1" : "=r" (*(p))) -#elif defined(__aarch64__) && defined(__GNUC__) -#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mov\t%0, sp" : "=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 - -#define RB_GC_SAVE_MACHINE_CONTEXT(th) \ - do { \ - FLUSH_REGISTER_WINDOWS; \ - setjmp((th)->ec->machine.regs); \ - SET_MACHINE_STACK_END(&(th)->ec->machine.stack_end); \ - } while (0) - -/* 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) -{ - ruby_debug_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(); - ruby_debug_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(), ruby_debug_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_MOVABLE_UNLESS_NULL(ptr) do { \ - VALUE markobj = (ptr); \ - if (RTEST(markobj)) {rb_gc_mark_movable(markobj);} \ -} while (0) -#define RUBY_MARK_UNLESS_NULL(ptr) do { \ - VALUE markobj = (ptr); \ - if (RTEST(markobj)) {rb_gc_mark(markobj);} \ -} while (0) -#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 - -/* - STACK_GROW_DIR_DETECTION is used with STACK_DIR_UPPER. - - On most normal systems, stacks grow from high address to lower address. In - this case, STACK_DIR_UPPER(a, b) will return (b), but on exotic systems where - the stack grows UP (from low address to high address), it will return (a). -*/ - -#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) - -const char *rb_obj_info(VALUE obj); -const char *rb_raw_obj_info(char *buff, const int buff_size, VALUE obj); - -VALUE rb_gc_disable_no_rest(void); - -struct rb_thread_struct; - -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); - -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); - -size_t rb_gc_obj_slot_size(VALUE obj); - -RUBY_SYMBOL_EXPORT_END - -#endif /* RUBY_GC_H */ |