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Diffstat (limited to 'ext/objspace')
-rw-r--r--ext/objspace/depend128
-rw-r--r--ext/objspace/lib/objspace.rb94
-rw-r--r--ext/objspace/lib/objspace/trace.rb45
-rw-r--r--ext/objspace/object_tracing.c215
-rw-r--r--ext/objspace/objspace.c590
-rw-r--r--ext/objspace/objspace_dump.c449
6 files changed, 909 insertions, 612 deletions
diff --git a/ext/objspace/depend b/ext/objspace/depend
index 1465bf9292..d9dfc0c42b 100644
--- a/ext/objspace/depend
+++ b/ext/objspace/depend
@@ -1,8 +1,8 @@
# AUTOGENERATED DEPENDENCIES START
object_tracing.o: $(RUBY_EXTCONF_H)
object_tracing.o: $(arch_hdrdir)/ruby/config.h
-object_tracing.o: $(hdrdir)/ruby.h
object_tracing.o: $(hdrdir)/ruby/assert.h
+object_tracing.o: $(hdrdir)/ruby/atomic.h
object_tracing.o: $(hdrdir)/ruby/backward.h
object_tracing.o: $(hdrdir)/ruby/backward/2/assume.h
object_tracing.o: $(hdrdir)/ruby/backward/2/attributes.h
@@ -11,13 +11,13 @@ object_tracing.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h
object_tracing.o: $(hdrdir)/ruby/backward/2/inttypes.h
object_tracing.o: $(hdrdir)/ruby/backward/2/limits.h
object_tracing.o: $(hdrdir)/ruby/backward/2/long_long.h
-object_tracing.o: $(hdrdir)/ruby/backward/2/r_cast.h
-object_tracing.o: $(hdrdir)/ruby/backward/2/rmodule.h
object_tracing.o: $(hdrdir)/ruby/backward/2/stdalign.h
object_tracing.o: $(hdrdir)/ruby/backward/2/stdarg.h
object_tracing.o: $(hdrdir)/ruby/debug.h
object_tracing.o: $(hdrdir)/ruby/defines.h
+object_tracing.o: $(hdrdir)/ruby/encoding.h
object_tracing.o: $(hdrdir)/ruby/intern.h
+object_tracing.o: $(hdrdir)/ruby/internal/abi.h
object_tracing.o: $(hdrdir)/ruby/internal/anyargs.h
object_tracing.o: $(hdrdir)/ruby/internal/arithmetic.h
object_tracing.o: $(hdrdir)/ruby/internal/arithmetic/char.h
@@ -55,6 +55,7 @@ object_tracing.o: $(hdrdir)/ruby/internal/attr/noexcept.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/noinline.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/nonnull.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+object_tracing.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/pure.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/restrict.h
object_tracing.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -87,6 +88,15 @@ object_tracing.o: $(hdrdir)/ruby/internal/core/rtypeddata.h
object_tracing.o: $(hdrdir)/ruby/internal/ctype.h
object_tracing.o: $(hdrdir)/ruby/internal/dllexport.h
object_tracing.o: $(hdrdir)/ruby/internal/dosish.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/coderange.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/ctype.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/encoding.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/pathname.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/re.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/sprintf.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/string.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/symbol.h
+object_tracing.o: $(hdrdir)/ruby/internal/encoding/transcode.h
object_tracing.o: $(hdrdir)/ruby/internal/error.h
object_tracing.o: $(hdrdir)/ruby/internal/eval.h
object_tracing.o: $(hdrdir)/ruby/internal/event.h
@@ -114,7 +124,6 @@ object_tracing.o: $(hdrdir)/ruby/internal/intern/enumerator.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/error.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/eval.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/file.h
-object_tracing.o: $(hdrdir)/ruby/internal/intern/gc.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/hash.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/io.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/load.h
@@ -131,6 +140,7 @@ object_tracing.o: $(hdrdir)/ruby/internal/intern/re.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/ruby.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/select.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/select/largesize.h
+object_tracing.o: $(hdrdir)/ruby/internal/intern/set.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/signal.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/sprintf.h
object_tracing.o: $(hdrdir)/ruby/internal/intern/string.h
@@ -145,12 +155,12 @@ object_tracing.o: $(hdrdir)/ruby/internal/memory.h
object_tracing.o: $(hdrdir)/ruby/internal/method.h
object_tracing.o: $(hdrdir)/ruby/internal/module.h
object_tracing.o: $(hdrdir)/ruby/internal/newobj.h
-object_tracing.o: $(hdrdir)/ruby/internal/rgengc.h
object_tracing.o: $(hdrdir)/ruby/internal/scan_args.h
object_tracing.o: $(hdrdir)/ruby/internal/special_consts.h
object_tracing.o: $(hdrdir)/ruby/internal/static_assert.h
object_tracing.o: $(hdrdir)/ruby/internal/stdalign.h
object_tracing.o: $(hdrdir)/ruby/internal/stdbool.h
+object_tracing.o: $(hdrdir)/ruby/internal/stdckdint.h
object_tracing.o: $(hdrdir)/ruby/internal/symbol.h
object_tracing.o: $(hdrdir)/ruby/internal/value.h
object_tracing.o: $(hdrdir)/ruby/internal/value_type.h
@@ -158,16 +168,45 @@ object_tracing.o: $(hdrdir)/ruby/internal/variable.h
object_tracing.o: $(hdrdir)/ruby/internal/warning_push.h
object_tracing.o: $(hdrdir)/ruby/internal/xmalloc.h
object_tracing.o: $(hdrdir)/ruby/missing.h
+object_tracing.o: $(hdrdir)/ruby/onigmo.h
+object_tracing.o: $(hdrdir)/ruby/oniguruma.h
object_tracing.o: $(hdrdir)/ruby/ruby.h
object_tracing.o: $(hdrdir)/ruby/st.h
object_tracing.o: $(hdrdir)/ruby/subst.h
+object_tracing.o: $(hdrdir)/ruby/thread_native.h
+object_tracing.o: $(top_srcdir)/ccan/check_type/check_type.h
+object_tracing.o: $(top_srcdir)/ccan/container_of/container_of.h
+object_tracing.o: $(top_srcdir)/ccan/list/list.h
+object_tracing.o: $(top_srcdir)/ccan/str/str.h
+object_tracing.o: $(top_srcdir)/id_table.h
object_tracing.o: $(top_srcdir)/internal.h
+object_tracing.o: $(top_srcdir)/internal/array.h
+object_tracing.o: $(top_srcdir)/internal/basic_operators.h
+object_tracing.o: $(top_srcdir)/internal/box.h
+object_tracing.o: $(top_srcdir)/internal/compilers.h
+object_tracing.o: $(top_srcdir)/internal/gc.h
+object_tracing.o: $(top_srcdir)/internal/imemo.h
+object_tracing.o: $(top_srcdir)/internal/sanitizers.h
+object_tracing.o: $(top_srcdir)/internal/serial.h
+object_tracing.o: $(top_srcdir)/internal/set_table.h
+object_tracing.o: $(top_srcdir)/internal/static_assert.h
+object_tracing.o: $(top_srcdir)/internal/vm.h
+object_tracing.o: $(top_srcdir)/internal/warnings.h
+object_tracing.o: $(top_srcdir)/method.h
+object_tracing.o: $(top_srcdir)/node.h
+object_tracing.o: $(top_srcdir)/ruby_assert.h
+object_tracing.o: $(top_srcdir)/ruby_atomic.h
+object_tracing.o: $(top_srcdir)/rubyparser.h
+object_tracing.o: $(top_srcdir)/thread_pthread.h
+object_tracing.o: $(top_srcdir)/vm_core.h
+object_tracing.o: $(top_srcdir)/vm_opts.h
object_tracing.o: object_tracing.c
object_tracing.o: objspace.h
+object_tracing.o: {$(VPATH)}id.h
objspace.o: $(RUBY_EXTCONF_H)
objspace.o: $(arch_hdrdir)/ruby/config.h
-objspace.o: $(hdrdir)/ruby.h
objspace.o: $(hdrdir)/ruby/assert.h
+objspace.o: $(hdrdir)/ruby/atomic.h
objspace.o: $(hdrdir)/ruby/backward.h
objspace.o: $(hdrdir)/ruby/backward/2/assume.h
objspace.o: $(hdrdir)/ruby/backward/2/attributes.h
@@ -176,13 +215,12 @@ objspace.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h
objspace.o: $(hdrdir)/ruby/backward/2/inttypes.h
objspace.o: $(hdrdir)/ruby/backward/2/limits.h
objspace.o: $(hdrdir)/ruby/backward/2/long_long.h
-objspace.o: $(hdrdir)/ruby/backward/2/r_cast.h
-objspace.o: $(hdrdir)/ruby/backward/2/rmodule.h
objspace.o: $(hdrdir)/ruby/backward/2/stdalign.h
objspace.o: $(hdrdir)/ruby/backward/2/stdarg.h
objspace.o: $(hdrdir)/ruby/defines.h
objspace.o: $(hdrdir)/ruby/encoding.h
objspace.o: $(hdrdir)/ruby/intern.h
+objspace.o: $(hdrdir)/ruby/internal/abi.h
objspace.o: $(hdrdir)/ruby/internal/anyargs.h
objspace.o: $(hdrdir)/ruby/internal/arithmetic.h
objspace.o: $(hdrdir)/ruby/internal/arithmetic/char.h
@@ -220,6 +258,7 @@ objspace.o: $(hdrdir)/ruby/internal/attr/noexcept.h
objspace.o: $(hdrdir)/ruby/internal/attr/noinline.h
objspace.o: $(hdrdir)/ruby/internal/attr/nonnull.h
objspace.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+objspace.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
objspace.o: $(hdrdir)/ruby/internal/attr/pure.h
objspace.o: $(hdrdir)/ruby/internal/attr/restrict.h
objspace.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -253,6 +292,15 @@ objspace.o: $(hdrdir)/ruby/internal/core/rtypeddata.h
objspace.o: $(hdrdir)/ruby/internal/ctype.h
objspace.o: $(hdrdir)/ruby/internal/dllexport.h
objspace.o: $(hdrdir)/ruby/internal/dosish.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/coderange.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/ctype.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/encoding.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/pathname.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/re.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/sprintf.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/string.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/symbol.h
+objspace.o: $(hdrdir)/ruby/internal/encoding/transcode.h
objspace.o: $(hdrdir)/ruby/internal/error.h
objspace.o: $(hdrdir)/ruby/internal/eval.h
objspace.o: $(hdrdir)/ruby/internal/event.h
@@ -280,7 +328,6 @@ objspace.o: $(hdrdir)/ruby/internal/intern/enumerator.h
objspace.o: $(hdrdir)/ruby/internal/intern/error.h
objspace.o: $(hdrdir)/ruby/internal/intern/eval.h
objspace.o: $(hdrdir)/ruby/internal/intern/file.h
-objspace.o: $(hdrdir)/ruby/internal/intern/gc.h
objspace.o: $(hdrdir)/ruby/internal/intern/hash.h
objspace.o: $(hdrdir)/ruby/internal/intern/io.h
objspace.o: $(hdrdir)/ruby/internal/intern/load.h
@@ -297,6 +344,7 @@ objspace.o: $(hdrdir)/ruby/internal/intern/re.h
objspace.o: $(hdrdir)/ruby/internal/intern/ruby.h
objspace.o: $(hdrdir)/ruby/internal/intern/select.h
objspace.o: $(hdrdir)/ruby/internal/intern/select/largesize.h
+objspace.o: $(hdrdir)/ruby/internal/intern/set.h
objspace.o: $(hdrdir)/ruby/internal/intern/signal.h
objspace.o: $(hdrdir)/ruby/internal/intern/sprintf.h
objspace.o: $(hdrdir)/ruby/internal/intern/string.h
@@ -311,12 +359,12 @@ objspace.o: $(hdrdir)/ruby/internal/memory.h
objspace.o: $(hdrdir)/ruby/internal/method.h
objspace.o: $(hdrdir)/ruby/internal/module.h
objspace.o: $(hdrdir)/ruby/internal/newobj.h
-objspace.o: $(hdrdir)/ruby/internal/rgengc.h
objspace.o: $(hdrdir)/ruby/internal/scan_args.h
objspace.o: $(hdrdir)/ruby/internal/special_consts.h
objspace.o: $(hdrdir)/ruby/internal/static_assert.h
objspace.o: $(hdrdir)/ruby/internal/stdalign.h
objspace.o: $(hdrdir)/ruby/internal/stdbool.h
+objspace.o: $(hdrdir)/ruby/internal/stdckdint.h
objspace.o: $(hdrdir)/ruby/internal/symbol.h
objspace.o: $(hdrdir)/ruby/internal/value.h
objspace.o: $(hdrdir)/ruby/internal/value_type.h
@@ -332,10 +380,18 @@ objspace.o: $(hdrdir)/ruby/regex.h
objspace.o: $(hdrdir)/ruby/ruby.h
objspace.o: $(hdrdir)/ruby/st.h
objspace.o: $(hdrdir)/ruby/subst.h
-objspace.o: $(top_srcdir)/gc.h
+objspace.o: $(hdrdir)/ruby/thread_native.h
+objspace.o: $(top_srcdir)/ccan/check_type/check_type.h
+objspace.o: $(top_srcdir)/ccan/container_of/container_of.h
+objspace.o: $(top_srcdir)/ccan/list/list.h
+objspace.o: $(top_srcdir)/ccan/str/str.h
+objspace.o: $(top_srcdir)/constant.h
+objspace.o: $(top_srcdir)/debug_counter.h
objspace.o: $(top_srcdir)/id_table.h
objspace.o: $(top_srcdir)/internal.h
objspace.o: $(top_srcdir)/internal/array.h
+objspace.o: $(top_srcdir)/internal/basic_operators.h
+objspace.o: $(top_srcdir)/internal/box.h
objspace.o: $(top_srcdir)/internal/class.h
objspace.o: $(top_srcdir)/internal/compilers.h
objspace.o: $(top_srcdir)/internal/gc.h
@@ -343,15 +399,28 @@ objspace.o: $(top_srcdir)/internal/hash.h
objspace.o: $(top_srcdir)/internal/imemo.h
objspace.o: $(top_srcdir)/internal/sanitizers.h
objspace.o: $(top_srcdir)/internal/serial.h
+objspace.o: $(top_srcdir)/internal/set_table.h
objspace.o: $(top_srcdir)/internal/static_assert.h
+objspace.o: $(top_srcdir)/internal/struct.h
+objspace.o: $(top_srcdir)/internal/variable.h
+objspace.o: $(top_srcdir)/internal/vm.h
objspace.o: $(top_srcdir)/internal/warnings.h
+objspace.o: $(top_srcdir)/method.h
objspace.o: $(top_srcdir)/node.h
+objspace.o: $(top_srcdir)/ruby_assert.h
+objspace.o: $(top_srcdir)/ruby_atomic.h
+objspace.o: $(top_srcdir)/rubyparser.h
+objspace.o: $(top_srcdir)/shape.h
objspace.o: $(top_srcdir)/symbol.h
+objspace.o: $(top_srcdir)/thread_pthread.h
+objspace.o: $(top_srcdir)/vm_core.h
+objspace.o: $(top_srcdir)/vm_debug.h
+objspace.o: $(top_srcdir)/vm_opts.h
+objspace.o: $(top_srcdir)/vm_sync.h
objspace.o: objspace.c
objspace.o: {$(VPATH)}id.h
objspace_dump.o: $(RUBY_EXTCONF_H)
objspace_dump.o: $(arch_hdrdir)/ruby/config.h
-objspace_dump.o: $(hdrdir)/ruby.h
objspace_dump.o: $(hdrdir)/ruby/assert.h
objspace_dump.o: $(hdrdir)/ruby/atomic.h
objspace_dump.o: $(hdrdir)/ruby/backward.h
@@ -362,14 +431,13 @@ objspace_dump.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h
objspace_dump.o: $(hdrdir)/ruby/backward/2/inttypes.h
objspace_dump.o: $(hdrdir)/ruby/backward/2/limits.h
objspace_dump.o: $(hdrdir)/ruby/backward/2/long_long.h
-objspace_dump.o: $(hdrdir)/ruby/backward/2/r_cast.h
-objspace_dump.o: $(hdrdir)/ruby/backward/2/rmodule.h
objspace_dump.o: $(hdrdir)/ruby/backward/2/stdalign.h
objspace_dump.o: $(hdrdir)/ruby/backward/2/stdarg.h
objspace_dump.o: $(hdrdir)/ruby/debug.h
objspace_dump.o: $(hdrdir)/ruby/defines.h
objspace_dump.o: $(hdrdir)/ruby/encoding.h
objspace_dump.o: $(hdrdir)/ruby/intern.h
+objspace_dump.o: $(hdrdir)/ruby/internal/abi.h
objspace_dump.o: $(hdrdir)/ruby/internal/anyargs.h
objspace_dump.o: $(hdrdir)/ruby/internal/arithmetic.h
objspace_dump.o: $(hdrdir)/ruby/internal/arithmetic/char.h
@@ -407,6 +475,7 @@ objspace_dump.o: $(hdrdir)/ruby/internal/attr/noexcept.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/noinline.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/nonnull.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+objspace_dump.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/pure.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/restrict.h
objspace_dump.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -439,6 +508,15 @@ objspace_dump.o: $(hdrdir)/ruby/internal/core/rtypeddata.h
objspace_dump.o: $(hdrdir)/ruby/internal/ctype.h
objspace_dump.o: $(hdrdir)/ruby/internal/dllexport.h
objspace_dump.o: $(hdrdir)/ruby/internal/dosish.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/coderange.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/ctype.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/encoding.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/pathname.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/re.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/sprintf.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/string.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/symbol.h
+objspace_dump.o: $(hdrdir)/ruby/internal/encoding/transcode.h
objspace_dump.o: $(hdrdir)/ruby/internal/error.h
objspace_dump.o: $(hdrdir)/ruby/internal/eval.h
objspace_dump.o: $(hdrdir)/ruby/internal/event.h
@@ -466,7 +544,6 @@ objspace_dump.o: $(hdrdir)/ruby/internal/intern/enumerator.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/error.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/eval.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/file.h
-objspace_dump.o: $(hdrdir)/ruby/internal/intern/gc.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/hash.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/io.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/load.h
@@ -483,6 +560,7 @@ objspace_dump.o: $(hdrdir)/ruby/internal/intern/re.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/ruby.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/select.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/select/largesize.h
+objspace_dump.o: $(hdrdir)/ruby/internal/intern/set.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/signal.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/sprintf.h
objspace_dump.o: $(hdrdir)/ruby/internal/intern/string.h
@@ -497,12 +575,12 @@ objspace_dump.o: $(hdrdir)/ruby/internal/memory.h
objspace_dump.o: $(hdrdir)/ruby/internal/method.h
objspace_dump.o: $(hdrdir)/ruby/internal/module.h
objspace_dump.o: $(hdrdir)/ruby/internal/newobj.h
-objspace_dump.o: $(hdrdir)/ruby/internal/rgengc.h
objspace_dump.o: $(hdrdir)/ruby/internal/scan_args.h
objspace_dump.o: $(hdrdir)/ruby/internal/special_consts.h
objspace_dump.o: $(hdrdir)/ruby/internal/static_assert.h
objspace_dump.o: $(hdrdir)/ruby/internal/stdalign.h
objspace_dump.o: $(hdrdir)/ruby/internal/stdbool.h
+objspace_dump.o: $(hdrdir)/ruby/internal/stdckdint.h
objspace_dump.o: $(hdrdir)/ruby/internal/symbol.h
objspace_dump.o: $(hdrdir)/ruby/internal/value.h
objspace_dump.o: $(hdrdir)/ruby/internal/value_type.h
@@ -522,26 +600,42 @@ objspace_dump.o: $(top_srcdir)/ccan/check_type/check_type.h
objspace_dump.o: $(top_srcdir)/ccan/container_of/container_of.h
objspace_dump.o: $(top_srcdir)/ccan/list/list.h
objspace_dump.o: $(top_srcdir)/ccan/str/str.h
-objspace_dump.o: $(top_srcdir)/gc.h
+objspace_dump.o: $(top_srcdir)/constant.h
+objspace_dump.o: $(top_srcdir)/debug_counter.h
+objspace_dump.o: $(top_srcdir)/encindex.h
+objspace_dump.o: $(top_srcdir)/id_table.h
objspace_dump.o: $(top_srcdir)/internal.h
objspace_dump.o: $(top_srcdir)/internal/array.h
+objspace_dump.o: $(top_srcdir)/internal/basic_operators.h
+objspace_dump.o: $(top_srcdir)/internal/box.h
+objspace_dump.o: $(top_srcdir)/internal/class.h
objspace_dump.o: $(top_srcdir)/internal/compilers.h
objspace_dump.o: $(top_srcdir)/internal/gc.h
objspace_dump.o: $(top_srcdir)/internal/hash.h
objspace_dump.o: $(top_srcdir)/internal/imemo.h
+objspace_dump.o: $(top_srcdir)/internal/io.h
objspace_dump.o: $(top_srcdir)/internal/sanitizers.h
objspace_dump.o: $(top_srcdir)/internal/serial.h
+objspace_dump.o: $(top_srcdir)/internal/set_table.h
objspace_dump.o: $(top_srcdir)/internal/static_assert.h
objspace_dump.o: $(top_srcdir)/internal/string.h
+objspace_dump.o: $(top_srcdir)/internal/struct.h
+objspace_dump.o: $(top_srcdir)/internal/variable.h
objspace_dump.o: $(top_srcdir)/internal/vm.h
objspace_dump.o: $(top_srcdir)/internal/warnings.h
objspace_dump.o: $(top_srcdir)/method.h
objspace_dump.o: $(top_srcdir)/node.h
objspace_dump.o: $(top_srcdir)/ruby_assert.h
objspace_dump.o: $(top_srcdir)/ruby_atomic.h
+objspace_dump.o: $(top_srcdir)/rubyparser.h
+objspace_dump.o: $(top_srcdir)/shape.h
+objspace_dump.o: $(top_srcdir)/symbol.h
objspace_dump.o: $(top_srcdir)/thread_pthread.h
+objspace_dump.o: $(top_srcdir)/vm_callinfo.h
objspace_dump.o: $(top_srcdir)/vm_core.h
+objspace_dump.o: $(top_srcdir)/vm_debug.h
objspace_dump.o: $(top_srcdir)/vm_opts.h
+objspace_dump.o: $(top_srcdir)/vm_sync.h
objspace_dump.o: objspace.h
objspace_dump.o: objspace_dump.c
objspace_dump.o: {$(VPATH)}id.h
diff --git a/ext/objspace/lib/objspace.rb b/ext/objspace/lib/objspace.rb
index 0298b0646c..47873f5112 100644
--- a/ext/objspace/lib/objspace.rb
+++ b/ext/objspace/lib/objspace.rb
@@ -6,17 +6,21 @@ module ObjectSpace
class << self
private :_dump
private :_dump_all
+ private :_dump_shapes
end
module_function
- # call-seq:
- # ObjectSpace.dump(obj[, output: :string]) # => "{ ... }"
- # ObjectSpace.dump(obj, output: :file) # => #<File:/tmp/rubyobj20131125-88733-1xkfmpv.json>
- # ObjectSpace.dump(obj, output: :stdout) # => nil
- #
# Dump the contents of a ruby object as JSON.
#
+ # _output_ can be one of: +:stdout+, +:file+, +:string+, or IO object.
+ #
+ # * +:file+ means dumping to a tempfile and returning corresponding File object;
+ # * +:stdout+ means printing the dump and returning +nil+;
+ # * +:string+ means returning a string with the dump;
+ # * if an instance of IO object is provided, the output goes there, and the object
+ # is returned.
+ #
# This method is only expected to work with C Ruby.
# This is an experimental method and is subject to change.
# In particular, the function signature and output format are
@@ -42,38 +46,78 @@ module ObjectSpace
end
- # call-seq:
- # ObjectSpace.dump_all([output: :file]) # => #<File:/tmp/rubyheap20131125-88469-laoj3v.json>
- # ObjectSpace.dump_all(output: :stdout) # => nil
- # ObjectSpace.dump_all(output: :string) # => "{...}\n{...}\n..."
- # ObjectSpace.dump_all(output:
- # File.open('heap.json','w')) # => #<File:heap.json>
- # ObjectSpace.dump_all(output: :string,
- # since: 42) # => "{...}\n{...}\n..."
+ # Dump the contents of the ruby heap as JSON.
+ #
+ # _output_ argument is the same as for #dump.
+ #
+ # _full_ must be a boolean. If true, all heap slots are dumped including the empty ones (+T_NONE+).
#
- # Dump the contents of the ruby heap as JSON.
+ # _since_ must be a non-negative integer or +nil+.
#
- # _since_ must be a non-negative integer or +nil+.
+ # If _since_ is a positive integer, only objects of that generation and
+ # newer generations are dumped. The current generation can be accessed using
+ # GC::count. Objects that were allocated without object allocation tracing enabled
+ # are ignored. See ::trace_object_allocations for more information and
+ # examples.
#
- # If _since_ is a positive integer, only objects of that generation and
- # newer generations are dumped. The current generation can be accessed using
- # GC::count.
+ # If _since_ is omitted or is +nil+, all objects are dumped.
#
- # Objects that were allocated without object allocation tracing enabled
- # are ignored. See ::trace_object_allocations for more information and
- # examples.
+ # _shapes_ must be a boolean or a non-negative integer.
#
- # If _since_ is omitted or is +nil+, all objects are dumped.
+ # If _shapes_ is a positive integer, only shapes newer than the provided
+ # shape id are dumped. The current shape_id can be accessed using <tt>RubyVM.stat(:next_shape_id)</tt>.
+ #
+ # If _shapes_ is +false+, no shapes are dumped.
+ #
+ # To only dump objects allocated past a certain point you can combine _since_ and _shapes_:
+ # ObjectSpace.trace_object_allocations
+ # GC.start
+ # gc_generation = GC.count
+ # shape_generation = RubyVM.stat(:next_shape_id)
+ # call_method_to_instrument
+ # ObjectSpace.dump_all(since: gc_generation, shapes: shape_generation)
+ #
+ # This method is only expected to work with C Ruby.
+ # This is an experimental method and is subject to change.
+ # In particular, the function signature and output format are
+ # not guaranteed to be compatible in future versions of ruby.
+ def dump_all(output: :file, full: false, since: nil, shapes: true)
+ out = case output
+ when :file, nil
+ require 'tempfile'
+ Tempfile.create(%w(rubyheap .json))
+ when :stdout
+ STDOUT
+ when :string
+ +''
+ when IO
+ output
+ else
+ raise ArgumentError, "wrong output option: #{output.inspect}"
+ end
+
+ shapes = 0 if shapes == true
+ ret = _dump_all(out, full, since, shapes)
+ return nil if output == :stdout
+ ret
+ end
+
+ # Dump the contents of the ruby shape tree as JSON.
+ #
+ # _output_ argument is the same as for #dump.
+ #
+ # If _since_ is a positive integer, only shapes newer than the provided
+ # shape id are dumped. The current shape_id can be accessed using <tt>RubyVM.stat(:next_shape_id)</tt>.
#
# This method is only expected to work with C Ruby.
# This is an experimental method and is subject to change.
# In particular, the function signature and output format are
# not guaranteed to be compatible in future versions of ruby.
- def dump_all(output: :file, full: false, since: nil)
+ def dump_shapes(output: :file, since: 0)
out = case output
when :file, nil
require 'tempfile'
- Tempfile.create(%w(rubyheap .json))
+ Tempfile.create(%w(rubyshapes .json))
when :stdout
STDOUT
when :string
@@ -84,7 +128,7 @@ module ObjectSpace
raise ArgumentError, "wrong output option: #{output.inspect}"
end
- ret = _dump_all(out, full, since)
+ ret = _dump_shapes(out, since)
return nil if output == :stdout
ret
end
diff --git a/ext/objspace/lib/objspace/trace.rb b/ext/objspace/lib/objspace/trace.rb
new file mode 100644
index 0000000000..c23f5a9d52
--- /dev/null
+++ b/ext/objspace/lib/objspace/trace.rb
@@ -0,0 +1,45 @@
+# This is a simple tool to enable the object allocation tracer.
+# When you have an object of unknown provenance, you can use this
+# to investigate where the object in question is created.
+#
+# = Important notice
+#
+# This is only for debugging purpose. Do not use this in production.
+# Require'ing this file immediately starts tracing the object allocation,
+# which brings a large performance overhead.
+#
+# = Usage
+#
+# 1. Add `require "objspace/trace"` into your code (or add `-robjspace/trace` into the command line)
+# 2. `p obj` will show the allocation site of `obj`
+#
+# Note: This redefines `Kernel#p` method, but not `Object#inspect`.
+#
+# = Examples
+#
+# 1: require "objspace/trace"
+# 2:
+# 3: obj = "str"
+# 4:
+# 5: p obj #=> "str" @ test.rb:3
+
+require 'objspace.so'
+
+module Kernel
+ remove_method :p
+ define_method(:p) do |*objs|
+ objs.each do |obj|
+ file = ObjectSpace.allocation_sourcefile(obj)
+ line = ObjectSpace.allocation_sourceline(obj)
+ if file
+ puts "#{ obj.inspect } @ #{ file }:#{ line }"
+ else
+ puts obj.inspect
+ end
+ end
+ end
+end
+
+ObjectSpace.trace_object_allocations_start
+
+warn "objspace/trace is enabled"
diff --git a/ext/objspace/object_tracing.c b/ext/objspace/object_tracing.c
index 4973a7535b..1c18bf02ee 100644
--- a/ext/objspace/object_tracing.c
+++ b/ext/objspace/object_tracing.c
@@ -14,6 +14,7 @@
**********************************************************************/
#include "internal.h"
+#include "internal/gc.h"
#include "ruby/debug.h"
#include "objspace.h"
@@ -31,42 +32,50 @@ static const char *
make_unique_str(st_table *tbl, const char *str, long len)
{
if (!str) {
- return NULL;
+ return NULL;
}
else {
- st_data_t n;
- char *result;
-
- if (st_lookup(tbl, (st_data_t)str, &n)) {
- st_insert(tbl, (st_data_t)str, n+1);
- st_get_key(tbl, (st_data_t)str, &n);
- result = (char *)n;
- }
- else {
- result = (char *)ruby_xmalloc(len+1);
- strncpy(result, str, len);
- result[len] = 0;
- st_add_direct(tbl, (st_data_t)result, 1);
- }
- return result;
+ st_data_t n;
+ char *result;
+
+ if (st_lookup(tbl, (st_data_t)str, &n)) {
+ st_insert(tbl, (st_data_t)str, n+1);
+ st_get_key(tbl, (st_data_t)str, &n);
+ result = (char *)n;
+ }
+ else {
+ result = (char *)ruby_xmalloc(len+1);
+ strncpy(result, str, len);
+ result[len] = 0;
+ st_add_direct(tbl, (st_data_t)result, 1);
+ }
+ return result;
}
}
+static int
+delete_unique_str_dec(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
+{
+ assert(existing);
+ *value = arg;
+ return ST_CONTINUE;
+}
+
static void
delete_unique_str(st_table *tbl, const char *str)
{
if (str) {
- st_data_t n;
-
- st_lookup(tbl, (st_data_t)str, &n);
- if (n == 1) {
- n = (st_data_t)str;
- st_delete(tbl, &n, 0);
- ruby_xfree((char *)n);
- }
- else {
- st_insert(tbl, (st_data_t)str, n-1);
- }
+ st_data_t n;
+
+ st_lookup(tbl, (st_data_t)str, &n);
+ if (n == 1) {
+ n = (st_data_t)str;
+ st_delete(tbl, &n, 0);
+ ruby_xfree((char *)n);
+ }
+ else {
+ st_update(tbl, (st_data_t)str, delete_unique_str_dec, (st_data_t)(n-1));
+ }
}
}
@@ -82,23 +91,23 @@ newobj_i(VALUE tpval, void *data)
VALUE klass = rb_tracearg_defined_class(tparg);
struct allocation_info *info;
const char *path_cstr = RTEST(path) ? make_unique_str(arg->str_table, RSTRING_PTR(path), RSTRING_LEN(path)) : 0;
- VALUE class_path = (RTEST(klass) && !OBJ_FROZEN(klass)) ? rb_class_path_cached(klass) : Qnil;
+ VALUE class_path = (RTEST(klass) && !OBJ_FROZEN(klass)) ? rb_mod_name(klass) : Qnil;
const char *class_path_cstr = RTEST(class_path) ? make_unique_str(arg->str_table, RSTRING_PTR(class_path), RSTRING_LEN(class_path)) : 0;
st_data_t v;
if (st_lookup(arg->object_table, (st_data_t)obj, &v)) {
- info = (struct allocation_info *)v;
- if (arg->keep_remains) {
- if (info->living) {
- /* do nothing. there is possibility to keep living if FREEOBJ events while suppressing tracing */
- }
- }
- /* reuse info */
- delete_unique_str(arg->str_table, info->path);
- delete_unique_str(arg->str_table, info->class_path);
+ info = (struct allocation_info *)v;
+ if (arg->keep_remains) {
+ if (info->living) {
+ /* do nothing. there is possibility to keep living if FREEOBJ events while suppressing tracing */
+ }
+ }
+ /* reuse info */
+ delete_unique_str(arg->str_table, info->path);
+ delete_unique_str(arg->str_table, info->class_path);
}
else {
- info = (struct allocation_info *)ruby_xmalloc(sizeof(struct allocation_info));
+ info = (struct allocation_info *)ruby_xmalloc(sizeof(struct allocation_info));
}
info->living = 1;
info->flags = RBASIC(obj)->flags;
@@ -121,20 +130,26 @@ freeobj_i(VALUE tpval, void *data)
st_data_t v;
struct allocation_info *info;
+ /* Modifying the st table can cause allocations, which can trigger GC.
+ * Since freeobj_i is called during GC, it must not trigger another GC. */
+ VALUE gc_disabled = rb_gc_disable_no_rest();
+
if (arg->keep_remains) {
- if (st_lookup(arg->object_table, obj, &v)) {
- info = (struct allocation_info *)v;
- info->living = 0;
- }
+ if (st_lookup(arg->object_table, obj, &v)) {
+ info = (struct allocation_info *)v;
+ info->living = 0;
+ }
}
else {
- if (st_delete(arg->object_table, &obj, &v)) {
- info = (struct allocation_info *)v;
- delete_unique_str(arg->str_table, info->path);
- delete_unique_str(arg->str_table, info->class_path);
- ruby_xfree(info);
- }
+ if (st_delete(arg->object_table, &obj, &v)) {
+ info = (struct allocation_info *)v;
+ delete_unique_str(arg->str_table, info->path);
+ delete_unique_str(arg->str_table, info->class_path);
+ ruby_xfree(info);
+ }
}
+
+ if (gc_disabled == Qfalse) rb_gc_enable();
}
static int
@@ -183,22 +198,25 @@ allocation_info_tracer_memsize(const void *ptr)
}
static int
-hash_foreach_should_replace_key(st_data_t key, st_data_t value, st_data_t argp, int error)
+allocation_info_tracer_compact_update_object_table_i(st_data_t key, st_data_t value, st_data_t data)
{
- VALUE allocated_object;
+ st_table *table = (st_table *)data;
- allocated_object = (VALUE)value;
- if (allocated_object != rb_gc_location(allocated_object)) {
- return ST_REPLACE;
+ if (!rb_gc_pointer_to_heap_p(key)) {
+ struct allocation_info *info = (struct allocation_info *)value;
+ xfree(info);
+ return ST_DELETE;
}
- return ST_CONTINUE;
-}
+ if (key != rb_gc_location(key)) {
+ DURING_GC_COULD_MALLOC_REGION_START();
+ {
+ st_insert(table, rb_gc_location(key), value);
+ }
+ DURING_GC_COULD_MALLOC_REGION_END();
-static int
-hash_replace_key(st_data_t *key, st_data_t *value, st_data_t argp, int existing)
-{
- *key = rb_gc_location((VALUE)*key);
+ return ST_DELETE;
+ }
return ST_CONTINUE;
}
@@ -208,7 +226,11 @@ allocation_info_tracer_compact(void *ptr)
{
struct traceobj_arg *trace_arg = (struct traceobj_arg *)ptr;
- if (st_foreach_with_replace(trace_arg->object_table, hash_foreach_should_replace_key, hash_replace_key, 0)) {
+ if (trace_arg->object_table &&
+ st_foreach(
+ trace_arg->object_table,
+ allocation_info_tracer_compact_update_object_table_i,
+ (st_data_t)trace_arg->object_table)) {
rb_raise(rb_eRuntimeError, "hash modified during iteration");
}
}
@@ -235,12 +257,12 @@ get_traceobj_arg(void)
VALUE obj = TypedData_Make_Struct(rb_cObject, struct traceobj_arg, &allocation_info_tracer_type, tmp_trace_arg);
traceobj_arg = obj;
rb_gc_register_mark_object(traceobj_arg);
- tmp_trace_arg->running = 0;
- tmp_trace_arg->keep_remains = tmp_keep_remains;
- tmp_trace_arg->newobj_trace = 0;
- tmp_trace_arg->freeobj_trace = 0;
- tmp_trace_arg->object_table = st_init_numtable();
- tmp_trace_arg->str_table = st_init_strtable();
+ tmp_trace_arg->running = 0;
+ tmp_trace_arg->keep_remains = tmp_keep_remains;
+ tmp_trace_arg->newobj_trace = 0;
+ tmp_trace_arg->freeobj_trace = 0;
+ tmp_trace_arg->object_table = st_init_numtable();
+ tmp_trace_arg->str_table = st_init_strtable();
}
return tmp_trace_arg;
}
@@ -257,15 +279,15 @@ trace_object_allocations_start(VALUE self)
struct traceobj_arg *arg = get_traceobj_arg();
if (arg->running++ > 0) {
- /* do nothing */
+ /* do nothing */
}
else {
- if (arg->newobj_trace == 0) {
- arg->newobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ, newobj_i, arg);
- arg->freeobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_FREEOBJ, freeobj_i, arg);
- }
- rb_tracepoint_enable(arg->newobj_trace);
- rb_tracepoint_enable(arg->freeobj_trace);
+ if (arg->newobj_trace == 0) {
+ arg->newobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_NEWOBJ, newobj_i, arg);
+ arg->freeobj_trace = rb_tracepoint_new(0, RUBY_INTERNAL_EVENT_FREEOBJ, freeobj_i, arg);
+ }
+ rb_tracepoint_enable(arg->newobj_trace);
+ rb_tracepoint_enable(arg->freeobj_trace);
}
return Qnil;
@@ -286,7 +308,7 @@ trace_object_allocations_stop(VALUE self)
struct traceobj_arg *arg = get_traceobj_arg();
if (arg->running > 0) {
- arg->running--;
+ arg->running--;
}
if (arg->running == 0) {
@@ -373,8 +395,8 @@ object_allocations_reporter_i(st_data_t key, st_data_t val, st_data_t ptr)
else fprintf(out, "C: %p", (void *)info->klass);
fprintf(out, "@%s:%lu", info->path ? info->path : "", info->line);
if (!NIL_P(info->mid)) {
- VALUE m = rb_sym2str(info->mid);
- fprintf(out, " (%s)", RSTRING_PTR(m));
+ VALUE m = rb_sym2str(info->mid);
+ fprintf(out, " (%s)", RSTRING_PTR(m));
}
fprintf(out, ")\n");
@@ -386,18 +408,25 @@ object_allocations_reporter(FILE *out, void *ptr)
{
fprintf(out, "== object_allocations_reporter: START\n");
if (tmp_trace_arg) {
- st_foreach(tmp_trace_arg->object_table, object_allocations_reporter_i, (st_data_t)out);
+ st_foreach(tmp_trace_arg->object_table, object_allocations_reporter_i, (st_data_t)out);
}
fprintf(out, "== object_allocations_reporter: END\n");
}
+/*
+ * call-seq: trace_object_allocations_debug_start
+ *
+ * Starts tracing object allocations for GC debugging.
+ * If you encounter the BUG "... is T_NONE" (and so on) on your
+ * application, please try this method at the beginning of your app.
+ */
static VALUE
trace_object_allocations_debug_start(VALUE self)
{
tmp_keep_remains = 1;
if (object_allocations_reporter_registered == 0) {
- object_allocations_reporter_registered = 1;
- rb_bug_reporter_add(object_allocations_reporter, 0);
+ object_allocations_reporter_registered = 1;
+ rb_bug_reporter_add(object_allocations_reporter, 0);
}
return trace_object_allocations_start(self);
@@ -407,10 +436,10 @@ static struct allocation_info *
lookup_allocation_info(VALUE obj)
{
if (tmp_trace_arg) {
- st_data_t info;
- if (st_lookup(tmp_trace_arg->object_table, obj, &info)) {
- return (struct allocation_info *)info;
- }
+ st_data_t info;
+ if (st_lookup(tmp_trace_arg->object_table, obj, &info)) {
+ return (struct allocation_info *)info;
+ }
}
return NULL;
}
@@ -434,10 +463,10 @@ allocation_sourcefile(VALUE self, VALUE obj)
struct allocation_info *info = lookup_allocation_info(obj);
if (info && info->path) {
- return rb_str_new2(info->path);
+ return rb_str_new2(info->path);
}
else {
- return Qnil;
+ return Qnil;
}
}
@@ -454,10 +483,10 @@ allocation_sourceline(VALUE self, VALUE obj)
struct allocation_info *info = lookup_allocation_info(obj);
if (info) {
- return INT2FIX(info->line);
+ return INT2FIX(info->line);
}
else {
- return Qnil;
+ return Qnil;
}
}
@@ -485,10 +514,10 @@ allocation_class_path(VALUE self, VALUE obj)
struct allocation_info *info = lookup_allocation_info(obj);
if (info && info->class_path) {
- return rb_str_new2(info->class_path);
+ return rb_str_new2(info->class_path);
}
else {
- return Qnil;
+ return Qnil;
}
}
@@ -517,10 +546,10 @@ allocation_method_id(VALUE self, VALUE obj)
{
struct allocation_info *info = lookup_allocation_info(obj);
if (info) {
- return info->mid;
+ return info->mid;
}
else {
- return Qnil;
+ return Qnil;
}
}
@@ -549,10 +578,10 @@ allocation_generation(VALUE self, VALUE obj)
{
struct allocation_info *info = lookup_allocation_info(obj);
if (info) {
- return SIZET2NUM(info->generation);
+ return SIZET2NUM(info->generation);
}
else {
- return Qnil;
+ return Qnil;
}
}
diff --git a/ext/objspace/objspace.c b/ext/objspace/objspace.c
index 7afdfc1f6b..38bffb07f7 100644
--- a/ext/objspace/objspace.c
+++ b/ext/objspace/objspace.c
@@ -12,14 +12,13 @@
**********************************************************************/
-#include "gc.h"
#include "internal.h"
#include "internal/class.h"
#include "internal/compilers.h"
+#include "internal/gc.h"
#include "internal/hash.h"
#include "internal/imemo.h"
#include "internal/sanitizers.h"
-#include "node.h"
#include "ruby/io.h"
#include "ruby/re.h"
#include "ruby/st.h"
@@ -39,10 +38,11 @@
* information as only a *HINT*. Especially, the size of +T_DATA+ may not be
* correct.
*
- * This method is only expected to work with C Ruby.
+ * This method is only expected to work with CRuby.
*
- * From Ruby 2.2, memsize_of(obj) returns a memory size includes
- * sizeof(RVALUE).
+ * From Ruby 3.2 with Variable Width Allocation, it returns the actual slot
+ * size used plus any additional memory allocated outside the slot (such
+ * as external strings, arrays, or hash tables).
*/
static VALUE
@@ -61,17 +61,10 @@ total_i(VALUE v, void *ptr)
{
struct total_data *data = (struct total_data *)ptr;
- switch (BUILTIN_TYPE(v)) {
- case T_NONE:
- case T_IMEMO:
- case T_ICLASS:
- case T_NODE:
- case T_ZOMBIE:
- return;
- default:
- if (data->klass == 0 || rb_obj_is_kind_of(v, data->klass)) {
- data->total += rb_obj_memsize_of(v);
- }
+ if (!rb_objspace_internal_object_p(v)) {
+ if (data->klass == 0 || rb_obj_is_kind_of(v, data->klass)) {
+ data->total += rb_obj_memsize_of(v);
+ }
}
}
@@ -89,15 +82,15 @@ heap_iter(void *vstart, void *vend, size_t stride, void *ptr)
VALUE v;
for (v = (VALUE)vstart; v != (VALUE)vend; v += stride) {
- void *poisoned = asan_poisoned_object_p(v);
- asan_unpoison_object(v, false);
+ void *poisoned = rb_asan_poisoned_object_p(v);
+ rb_asan_unpoison_object(v, false);
if (RBASIC(v)->flags) {
(*ctx->cb)(v, ctx->data);
}
if (poisoned) {
- asan_poison_object(v);
+ rb_asan_poison_object(v);
}
}
@@ -115,28 +108,24 @@ each_object_with_flags(each_obj_with_flags cb, void *ctx)
/*
* call-seq:
- * ObjectSpace.memsize_of_all([klass]) -> Integer
+ * ObjectSpace.memsize_of_all(klass = nil) -> integer
*
- * Return consuming memory size of all living objects in bytes.
+ * Returns the total memory size of all living objects in bytes.
*
- * If +klass+ (should be Class object) is given, return the total memory size
- * of instances of the given class.
+ * ObjectSpace.memsize_of_all # => 12502001
*
- * Note that the returned size is incomplete. You need to deal with this
- * information as only a *HINT*. Especially, the size of +T_DATA+ may not be
- * correct.
+ * If +klass+ is given (which must be a Class or Module), returns the total
+ * memory size of objects whose class is, or is a subclass, of +klass+.
*
- * Note that this method does *NOT* return total malloc'ed memory size.
+ * class MyClass; end
+ * ObjectSpace.memsize_of_all(MyClass) # => 0
+ * o = MyClass.new
+ * ObjectSpace.memsize_of_all(MyClass) # => 40
*
- * This method can be defined by the following Ruby code:
- *
- * def memsize_of_all klass = false
- * total = 0
- * ObjectSpace.each_object{|e|
- * total += ObjectSpace.memsize_of(e) if klass == false || e.kind_of?(klass)
- * }
- * total
- * end
+ * Note that the value returned may be an underestimate of the actual amount
+ * of memory used. Therefore, the value returned should only be used as a hint,
+ * rather than a source of truth. In particular, the size of +T_DATA+ objects may
+ * not be correct.
*
* This method is only expected to work with C Ruby.
*/
@@ -147,7 +136,8 @@ memsize_of_all_m(int argc, VALUE *argv, VALUE self)
struct total_data data = {0, 0};
if (argc > 0) {
- rb_scan_args(argc, argv, "01", &data.klass);
+ rb_scan_args(argc, argv, "01", &data.klass);
+ if (!NIL_P(data.klass)) rb_obj_is_kind_of(Qnil, data.klass);
}
each_object_with_flags(total_i, &data);
@@ -177,8 +167,7 @@ setup_hash(int argc, VALUE *argv)
hash = rb_hash_new();
}
else if (!RHASH_EMPTY_P(hash)) {
- /* WB: no new reference */
- st_foreach(RHASH_TBL_RAW(hash), set_zero_i, hash);
+ rb_hash_foreach(hash, set_zero_i, (st_data_t)hash);
}
return hash;
@@ -197,33 +186,33 @@ type2sym(enum ruby_value_type i)
VALUE type;
switch (i) {
#define CASE_TYPE(t) case t: type = ID2SYM(rb_intern(#t)); break;
- CASE_TYPE(T_NONE);
- CASE_TYPE(T_OBJECT);
- CASE_TYPE(T_CLASS);
- CASE_TYPE(T_MODULE);
- CASE_TYPE(T_FLOAT);
- CASE_TYPE(T_STRING);
- CASE_TYPE(T_REGEXP);
- CASE_TYPE(T_ARRAY);
- CASE_TYPE(T_HASH);
- CASE_TYPE(T_STRUCT);
- CASE_TYPE(T_BIGNUM);
- CASE_TYPE(T_FILE);
- CASE_TYPE(T_DATA);
- CASE_TYPE(T_MATCH);
- CASE_TYPE(T_COMPLEX);
- CASE_TYPE(T_RATIONAL);
- CASE_TYPE(T_NIL);
- CASE_TYPE(T_TRUE);
- CASE_TYPE(T_FALSE);
- CASE_TYPE(T_SYMBOL);
- CASE_TYPE(T_FIXNUM);
- CASE_TYPE(T_UNDEF);
- CASE_TYPE(T_IMEMO);
- CASE_TYPE(T_NODE);
- CASE_TYPE(T_ICLASS);
+ CASE_TYPE(T_NONE);
+ CASE_TYPE(T_OBJECT);
+ CASE_TYPE(T_CLASS);
+ CASE_TYPE(T_MODULE);
+ CASE_TYPE(T_FLOAT);
+ CASE_TYPE(T_STRING);
+ CASE_TYPE(T_REGEXP);
+ CASE_TYPE(T_ARRAY);
+ CASE_TYPE(T_HASH);
+ CASE_TYPE(T_STRUCT);
+ CASE_TYPE(T_BIGNUM);
+ CASE_TYPE(T_FILE);
+ CASE_TYPE(T_DATA);
+ CASE_TYPE(T_MATCH);
+ CASE_TYPE(T_COMPLEX);
+ CASE_TYPE(T_RATIONAL);
+ CASE_TYPE(T_NIL);
+ CASE_TYPE(T_TRUE);
+ CASE_TYPE(T_FALSE);
+ CASE_TYPE(T_SYMBOL);
+ CASE_TYPE(T_FIXNUM);
+ CASE_TYPE(T_UNDEF);
+ CASE_TYPE(T_IMEMO);
+ CASE_TYPE(T_NODE);
+ CASE_TYPE(T_ICLASS);
CASE_TYPE(T_MOVED);
- CASE_TYPE(T_ZOMBIE);
+ CASE_TYPE(T_ZOMBIE);
#undef CASE_TYPE
default: rb_bug("type2sym: unknown type (%d)", i);
}
@@ -232,23 +221,26 @@ type2sym(enum ruby_value_type i)
/*
* call-seq:
- * ObjectSpace.count_objects_size([result_hash]) -> hash
+ * ObjectSpace.count_objects_size(result_hash = {}) -> result_hash
*
* Counts objects size (in bytes) for each type.
*
- * Note that this information is incomplete. You need to deal with
- * this information as only a *HINT*. Especially, total size of
- * T_DATA may be wrong.
+ * Note that the returned size may not be accurate, so it should only
+ * be used as a hint. Specifically, the size for +T_DATA+ may be
+ * inaccurate because these are custom objects defined in Ruby and
+ * native extensions and so they may not accurately report their
+ * memory size.
*
- * It returns a hash as:
- * {:TOTAL=>1461154, :T_CLASS=>158280, :T_MODULE=>20672, :T_STRING=>527249, ...}
+ * It returns a hash that looks like:
*
- * If the optional argument, result_hash, is given,
- * it is overwritten and returned.
- * This is intended to avoid probe effect.
+ * {TOTAL: 1461154, T_CLASS: 158280, T_MODULE: 20672, T_STRING: 527249, ...}
*
- * The contents of the returned hash is implementation defined.
- * It may be changed in future.
+ * The contents of the returned hash are implementation specific and
+ * may be changed in future versions without notice.
+ *
+ * If the optional argument, +result_hash+, is given,
+ * it is overwritten and returned.
+ * This is intended to avoid the probe effect.
*
* This method is only expected to work with C Ruby.
*/
@@ -262,17 +254,17 @@ count_objects_size(int argc, VALUE *argv, VALUE os)
VALUE hash = setup_hash(argc, argv);
for (i = 0; i <= T_MASK; i++) {
- counts[i] = 0;
+ counts[i] = 0;
}
each_object_with_flags(cos_i, &counts[0]);
for (i = 0; i <= T_MASK; i++) {
- if (counts[i]) {
- VALUE type = type2sym(i);
- total += counts[i];
- rb_hash_aset(hash, type, SIZET2NUM(counts[i]));
- }
+ if (counts[i]) {
+ VALUE type = type2sym(i);
+ total += counts[i];
+ rb_hash_aset(hash, type, SIZET2NUM(counts[i]));
+ }
}
rb_hash_aset(hash, ID2SYM(rb_intern("TOTAL")), SIZET2NUM(total));
return hash;
@@ -303,28 +295,27 @@ size_t rb_sym_immortal_count(void);
/*
* call-seq:
- * ObjectSpace.count_symbols([result_hash]) -> hash
- *
- * Counts symbols for each Symbol type.
+ * ObjectSpace.count_symbols(result_hash = nil) -> hash
*
- * This method is only for MRI developers interested in performance and memory
- * usage of Ruby programs.
+ * Returns a hash containing the number of objects for each Symbol type.
*
- * If the optional argument, result_hash, is given, it is overwritten and
- * returned. This is intended to avoid probe effect.
+ * The types of Symbols are the following:
*
- * Note:
- * The contents of the returned hash is implementation defined.
- * It may be changed in future.
+ * - +mortal_dynamic_symbol+: Symbols that are garbage collectable.
+ * - +immortal_dynamic_symbol+: Symbols that are objects allocated from the
+ * garbage collector, but are not garbage collectable.
+ * - +immortal_static_symbol+: Symbols that are not allocated from the
+ * garbage collector, and are thus not garbage collectable.
+ * - +immortal_symbol+: the sum of +immortal_dynamic_symbol+ and +immortal_static_symbol+.
*
- * This method is only expected to work with C Ruby.
+ * If the optional argument +result_hash+ is given, it is overwritten and
+ * returned. This is intended to avoid the probe effect.
*
- * On this version of MRI, they have 3 types of Symbols (and 1 total counts).
+ * This method is intended for developers interested in performance and memory
+ * usage of Ruby programs. The contents of the returned hash is implementation
+ * specific and may change in the future.
*
- * * mortal_dynamic_symbol: GC target symbols (collected by GC)
- * * immortal_dynamic_symbol: Immortal symbols promoted from dynamic symbols (do not collected by GC)
- * * immortal_static_symbol: Immortal symbols (do not collected by GC)
- * * immortal_symbol: total immortal symbols (immortal_dynamic_symbol+immortal_static_symbol)
+ * This method is only expected to work with C Ruby.
*/
static VALUE
@@ -345,174 +336,6 @@ count_symbols(int argc, VALUE *argv, VALUE os)
}
static void
-cn_i(VALUE v, void *n)
-{
- size_t *nodes = (size_t *)n;
-
- if (BUILTIN_TYPE(v) == T_NODE) {
- size_t s = nd_type((NODE *)v);
- nodes[s]++;
- }
-}
-
-/*
- * call-seq:
- * ObjectSpace.count_nodes([result_hash]) -> hash
- *
- * Counts nodes for each node type.
- *
- * This method is only for MRI developers interested in performance and memory
- * usage of Ruby programs.
- *
- * It returns a hash as:
- *
- * {:NODE_METHOD=>2027, :NODE_FBODY=>1927, :NODE_CFUNC=>1798, ...}
- *
- * If the optional argument, result_hash, is given, it is overwritten and
- * returned. This is intended to avoid probe effect.
- *
- * Note:
- * The contents of the returned hash is implementation defined.
- * It may be changed in future.
- *
- * This method is only expected to work with C Ruby.
- */
-
-static VALUE
-count_nodes(int argc, VALUE *argv, VALUE os)
-{
- size_t nodes[NODE_LAST+1];
- enum node_type i;
- VALUE hash = setup_hash(argc, argv);
-
- for (i = 0; i <= NODE_LAST; i++) {
- nodes[i] = 0;
- }
-
- each_object_with_flags(cn_i, &nodes[0]);
-
- for (i=0; i<NODE_LAST; i++) {
- if (nodes[i] != 0) {
- VALUE node;
- switch (i) {
-#define COUNT_NODE(n) case n: node = ID2SYM(rb_intern(#n)); goto set
- COUNT_NODE(NODE_SCOPE);
- COUNT_NODE(NODE_BLOCK);
- COUNT_NODE(NODE_IF);
- COUNT_NODE(NODE_UNLESS);
- COUNT_NODE(NODE_CASE);
- COUNT_NODE(NODE_CASE2);
- COUNT_NODE(NODE_CASE3);
- COUNT_NODE(NODE_WHEN);
- COUNT_NODE(NODE_IN);
- COUNT_NODE(NODE_WHILE);
- COUNT_NODE(NODE_UNTIL);
- COUNT_NODE(NODE_ITER);
- COUNT_NODE(NODE_FOR);
- COUNT_NODE(NODE_FOR_MASGN);
- COUNT_NODE(NODE_BREAK);
- COUNT_NODE(NODE_NEXT);
- COUNT_NODE(NODE_REDO);
- COUNT_NODE(NODE_RETRY);
- COUNT_NODE(NODE_BEGIN);
- COUNT_NODE(NODE_RESCUE);
- COUNT_NODE(NODE_RESBODY);
- COUNT_NODE(NODE_ENSURE);
- COUNT_NODE(NODE_AND);
- COUNT_NODE(NODE_OR);
- COUNT_NODE(NODE_MASGN);
- COUNT_NODE(NODE_LASGN);
- COUNT_NODE(NODE_DASGN);
- COUNT_NODE(NODE_DASGN_CURR);
- COUNT_NODE(NODE_GASGN);
- COUNT_NODE(NODE_IASGN);
- COUNT_NODE(NODE_CDECL);
- COUNT_NODE(NODE_CVASGN);
- COUNT_NODE(NODE_OP_ASGN1);
- COUNT_NODE(NODE_OP_ASGN2);
- COUNT_NODE(NODE_OP_ASGN_AND);
- COUNT_NODE(NODE_OP_ASGN_OR);
- COUNT_NODE(NODE_OP_CDECL);
- COUNT_NODE(NODE_CALL);
- COUNT_NODE(NODE_OPCALL);
- COUNT_NODE(NODE_FCALL);
- COUNT_NODE(NODE_VCALL);
- COUNT_NODE(NODE_QCALL);
- COUNT_NODE(NODE_SUPER);
- COUNT_NODE(NODE_ZSUPER);
- COUNT_NODE(NODE_LIST);
- COUNT_NODE(NODE_ZLIST);
- COUNT_NODE(NODE_VALUES);
- COUNT_NODE(NODE_HASH);
- COUNT_NODE(NODE_RETURN);
- COUNT_NODE(NODE_YIELD);
- COUNT_NODE(NODE_LVAR);
- COUNT_NODE(NODE_DVAR);
- COUNT_NODE(NODE_GVAR);
- COUNT_NODE(NODE_IVAR);
- COUNT_NODE(NODE_CONST);
- COUNT_NODE(NODE_CVAR);
- COUNT_NODE(NODE_NTH_REF);
- COUNT_NODE(NODE_BACK_REF);
- COUNT_NODE(NODE_MATCH);
- COUNT_NODE(NODE_MATCH2);
- COUNT_NODE(NODE_MATCH3);
- COUNT_NODE(NODE_LIT);
- COUNT_NODE(NODE_STR);
- COUNT_NODE(NODE_DSTR);
- COUNT_NODE(NODE_XSTR);
- COUNT_NODE(NODE_DXSTR);
- COUNT_NODE(NODE_EVSTR);
- COUNT_NODE(NODE_DREGX);
- COUNT_NODE(NODE_ONCE);
- COUNT_NODE(NODE_ARGS);
- COUNT_NODE(NODE_ARGS_AUX);
- COUNT_NODE(NODE_OPT_ARG);
- COUNT_NODE(NODE_KW_ARG);
- COUNT_NODE(NODE_POSTARG);
- COUNT_NODE(NODE_ARGSCAT);
- COUNT_NODE(NODE_ARGSPUSH);
- COUNT_NODE(NODE_SPLAT);
- COUNT_NODE(NODE_BLOCK_PASS);
- COUNT_NODE(NODE_DEFN);
- COUNT_NODE(NODE_DEFS);
- COUNT_NODE(NODE_ALIAS);
- COUNT_NODE(NODE_VALIAS);
- COUNT_NODE(NODE_UNDEF);
- COUNT_NODE(NODE_CLASS);
- COUNT_NODE(NODE_MODULE);
- COUNT_NODE(NODE_SCLASS);
- COUNT_NODE(NODE_COLON2);
- COUNT_NODE(NODE_COLON3);
- COUNT_NODE(NODE_DOT2);
- COUNT_NODE(NODE_DOT3);
- COUNT_NODE(NODE_FLIP2);
- COUNT_NODE(NODE_FLIP3);
- COUNT_NODE(NODE_SELF);
- COUNT_NODE(NODE_NIL);
- COUNT_NODE(NODE_TRUE);
- COUNT_NODE(NODE_FALSE);
- COUNT_NODE(NODE_ERRINFO);
- COUNT_NODE(NODE_DEFINED);
- COUNT_NODE(NODE_POSTEXE);
- COUNT_NODE(NODE_DSYM);
- COUNT_NODE(NODE_ATTRASGN);
- COUNT_NODE(NODE_LAMBDA);
- COUNT_NODE(NODE_ARYPTN);
- COUNT_NODE(NODE_FNDPTN);
- COUNT_NODE(NODE_HSHPTN);
-#undef COUNT_NODE
- case NODE_LAST: break;
- }
- UNREACHABLE;
- set:
- rb_hash_aset(hash, node, SIZET2NUM(nodes[i]));
- }
- }
- return hash;
-}
-
-static void
cto_i(VALUE v, void *data)
{
VALUE hash = (VALUE)data;
@@ -541,32 +364,22 @@ cto_i(VALUE v, void *data)
/*
* call-seq:
- * ObjectSpace.count_tdata_objects([result_hash]) -> hash
- *
- * Counts objects for each +T_DATA+ type.
- *
- * This method is only for MRI developers interested in performance and memory
- * usage of Ruby programs.
- *
- * It returns a hash as:
- *
- * {RubyVM::InstructionSequence=>504, :parser=>5, :barrier=>6,
- * :mutex=>6, Proc=>60, RubyVM::Env=>57, Mutex=>1, Encoding=>99,
- * ThreadGroup=>1, Binding=>1, Thread=>1, RubyVM=>1, :iseq=>1,
- * Random=>1, ARGF.class=>1, Data=>1, :autoload=>3, Time=>2}
- * # T_DATA objects existing at startup on r32276.
+ * ObjectSpace.count_tdata_objects(result_hash = nil) -> hash
*
- * If the optional argument, result_hash, is given, it is overwritten and
- * returned. This is intended to avoid probe effect.
+ * Returns a hash containing the number of objects for each +T_DATA+ type.
+ * The keys are Class objects when the +T_DATA+ object has an associated class,
+ * or Symbol objects of the name defined in the +rb_data_type_struct+ for internal
+ * +T_DATA+ objects.
*
- * The contents of the returned hash is implementation specific and may change
- * in the future.
+ * ObjectSpace.count_tdata_objects
+ * # => {RBS::Location => 39255, marshal_compat_table: 1, Encoding => 103, mutex: 1, ... }
*
- * In this version, keys are Class object or Symbol object.
+ * If the optional argument +result_hash+ is given, it is overwritten and
+ * returned. This is intended to avoid the probe effect.
*
- * If object is kind of normal (accessible) object, the key is Class object.
- * If object is not a kind of normal (internal) object, the key is symbol
- * name, registered by rb_data_type_struct.
+ * This method is intended for developers interested in performance and memory
+ * usage of Ruby programs. The contents of the returned hash is implementation
+ * specific and may change in the future.
*
* This method is only expected to work with C Ruby.
*/
@@ -605,28 +418,22 @@ count_imemo_objects_i(VALUE v, void *data)
/*
* call-seq:
- * ObjectSpace.count_imemo_objects([result_hash]) -> hash
+ * ObjectSpace.count_imemo_objects(result_hash = nil) -> hash
*
- * Counts objects for each +T_IMEMO+ type.
+ * Returns a hash containing the number of objects for each +T_IMEMO+ type.
+ * The keys are Symbol objects of the +T_IMEMO+ type name.
+ * +T_IMEMO+ objects are Ruby internal objects that are not visible to Ruby
+ * programs.
*
- * This method is only for MRI developers interested in performance and memory
- * usage of Ruby programs.
+ * ObjectSpace.count_imemo_objects
+ * # => {imemo_callcache: 5482, imemo_constcache: 1258, imemo_ment: 13906, ... }
*
- * It returns a hash as:
+ * If the optional argument +result_hash+ is given, it is overwritten and
+ * returned. This is intended to avoid the probe effect.
*
- * {:imemo_ifunc=>8,
- * :imemo_svar=>7,
- * :imemo_cref=>509,
- * :imemo_memo=>1,
- * :imemo_throw_data=>1}
- *
- * If the optional argument, result_hash, is given, it is overwritten and
- * returned. This is intended to avoid probe effect.
- *
- * The contents of the returned hash is implementation specific and may change
- * in the future.
- *
- * In this version, keys are symbol objects.
+ * This method is intended for developers interested in performance and memory
+ * usage of Ruby programs. The contents of the returned hash is implementation
+ * specific and may change in the future.
*
* This method is only expected to work with C Ruby.
*/
@@ -637,20 +444,24 @@ count_imemo_objects(int argc, VALUE *argv, VALUE self)
VALUE hash = setup_hash(argc, argv);
if (imemo_type_ids[0] == 0) {
- imemo_type_ids[0] = rb_intern("imemo_env");
- imemo_type_ids[1] = rb_intern("imemo_cref");
- imemo_type_ids[2] = rb_intern("imemo_svar");
- imemo_type_ids[3] = rb_intern("imemo_throw_data");
- imemo_type_ids[4] = rb_intern("imemo_ifunc");
- imemo_type_ids[5] = rb_intern("imemo_memo");
- imemo_type_ids[6] = rb_intern("imemo_ment");
- imemo_type_ids[7] = rb_intern("imemo_iseq");
- imemo_type_ids[8] = rb_intern("imemo_tmpbuf");
- imemo_type_ids[9] = rb_intern("imemo_ast");
- imemo_type_ids[10] = rb_intern("imemo_parser_strterm");
- imemo_type_ids[11] = rb_intern("imemo_callinfo");
- imemo_type_ids[12] = rb_intern("imemo_callcache");
- imemo_type_ids[13] = rb_intern("imemo_constcache");
+#define INIT_IMEMO_TYPE_ID(n) (imemo_type_ids[n] = rb_intern_const(#n))
+ INIT_IMEMO_TYPE_ID(imemo_env);
+ INIT_IMEMO_TYPE_ID(imemo_cref);
+ INIT_IMEMO_TYPE_ID(imemo_svar);
+ INIT_IMEMO_TYPE_ID(imemo_throw_data);
+ INIT_IMEMO_TYPE_ID(imemo_ifunc);
+ INIT_IMEMO_TYPE_ID(imemo_memo);
+ INIT_IMEMO_TYPE_ID(imemo_ment);
+ INIT_IMEMO_TYPE_ID(imemo_iseq);
+ INIT_IMEMO_TYPE_ID(imemo_tmpbuf);
+ INIT_IMEMO_TYPE_ID(imemo_cvar_entry);
+ INIT_IMEMO_TYPE_ID(imemo_callinfo);
+ INIT_IMEMO_TYPE_ID(imemo_callcache);
+ INIT_IMEMO_TYPE_ID(imemo_constcache);
+ INIT_IMEMO_TYPE_ID(imemo_fields);
+ INIT_IMEMO_TYPE_ID(imemo_subclasses);
+ INIT_IMEMO_TYPE_ID(imemo_cdhash);
+#undef INIT_IMEMO_TYPE_ID
}
each_object_with_flags(count_imemo_objects_i, (void *)hash);
@@ -713,7 +524,7 @@ iow_internal_object_id(VALUE self)
struct rof_data {
VALUE refs;
- VALUE internals;
+ VALUE values;
};
static void
@@ -723,12 +534,16 @@ reachable_object_from_i(VALUE obj, void *data_ptr)
VALUE key = obj;
VALUE val = obj;
- if (rb_objspace_markable_object_p(obj)) {
- if (rb_objspace_internal_object_p(obj)) {
- val = iow_newobj(obj);
- rb_ary_push(data->internals, val);
- }
- rb_hash_aset(data->refs, key, val);
+ if (!rb_objspace_garbage_object_p(obj)) {
+ if (NIL_P(rb_hash_lookup(data->refs, key))) {
+ rb_hash_aset(data->refs, key, Qtrue);
+
+ if (rb_objspace_internal_object_p(obj)) {
+ val = iow_newobj(obj);
+ }
+
+ rb_ary_push(data->values, val);
+ }
}
}
@@ -744,63 +559,58 @@ collect_values(st_data_t key, st_data_t value, st_data_t data)
* call-seq:
* ObjectSpace.reachable_objects_from(obj) -> array or nil
*
- * [MRI specific feature] Return all reachable objects from `obj'.
- *
- * This method returns all reachable objects from `obj'.
- *
- * If `obj' has two or more references to the same object `x', then returned
- * array only includes one `x' object.
+ * Returns all reachable objects from +obj+ as an array:
*
- * If `obj' is a non-markable (non-heap management) object such as true,
- * false, nil, symbols and Fixnums (and Flonum) then it simply returns nil.
+ * ObjectSpace.reachable_objects_from(['a', 'b', 'c'])
+ * #=> [Array, 'a', 'b', 'c']
*
- * If `obj' has references to an internal object, then it returns instances of
- * ObjectSpace::InternalObjectWrapper class. This object contains a reference
- * to an internal object and you can check the type of internal object with
- * `type' method.
+ * The returned array is deduplicated, meaning that if +obj+ refers
+ * to another object more than once, it will only be added to the array
+ * once:
*
- * If `obj' is instance of ObjectSpace::InternalObjectWrapper class, then this
- * method returns all reachable object from an internal object, which is
- * pointed by `obj'.
+ * ObjectSpace.reachable_objects_from([v = 'a', v, v])
+ * #=> [Array, 'a']
*
- * With this method, you can find memory leaks.
+ * Returns +nil+ if +obj+ is not a markable object (i.e. non-heap
+ * managed) object. Non-markable objects include +true+, +false+,
+ * +nil+, certain symbols, small integers, and floats:
*
- * This method is only expected to work except with C Ruby.
+ * ObjectSpace.reachable_objects_from(1)
+ * #=> nil
*
- * Example:
- * ObjectSpace.reachable_objects_from(['a', 'b', 'c'])
- * #=> [Array, 'a', 'b', 'c']
+ * All references to internal objects in the returned array are wrapped
+ * using ObjectSpace::InternalObjectWrapper objects. This object contains
+ * a reference to the internal object and the type of the object can
+ * be accessed using the ObjectSpace::InternalObjectWrapper#type method.
*
- * ObjectSpace.reachable_objects_from(['a', 'a', 'a'])
- * #=> [Array, 'a', 'a', 'a'] # all 'a' strings have different object id
+ * If +obj+ is instance of ObjectSpace::InternalObjectWrapper, then this
+ * method returns all reachable object from the internal object.
*
- * ObjectSpace.reachable_objects_from([v = 'a', v, v])
- * #=> [Array, 'a']
- *
- * ObjectSpace.reachable_objects_from(1)
- * #=> nil # 1 is not markable (heap managed) object
+ * This method is useful for debugging purposes, such as finding
+ * memory leaks.
*
+ * This method is only expected to work with C Ruby.
*/
static VALUE
reachable_objects_from(VALUE self, VALUE obj)
{
- if (rb_objspace_markable_object_p(obj)) {
- struct rof_data data;
+ if (!RB_SPECIAL_CONST_P(obj)) {
+ struct rof_data data;
- if (rb_typeddata_is_kind_of(obj, &iow_data_type)) {
- obj = (VALUE)DATA_PTR(obj);
- }
+ if (rb_typeddata_is_kind_of(obj, &iow_data_type)) {
+ obj = (VALUE)DATA_PTR(obj);
+ }
- data.refs = rb_ident_hash_new();
- data.internals = rb_ary_new();
+ data.refs = rb_obj_hide(rb_ident_hash_new());
+ data.values = rb_ary_new();
- rb_objspace_reachable_objects_from(obj, reachable_object_from_i, &data);
+ rb_objspace_reachable_objects_from(obj, reachable_object_from_i, &data);
- return rb_funcall(data.refs, rb_intern("values"), 0);
+ return data.values;
}
else {
- return Qnil;
+ return Qnil;
}
}
@@ -819,26 +629,26 @@ reachable_object_from_root_i(const char *category, VALUE obj, void *ptr)
VALUE category_objects;
if (category == data->last_category) {
- category_str = data->last_category_str;
- category_objects = data->last_category_objects;
+ category_str = data->last_category_str;
+ category_objects = data->last_category_objects;
}
else {
- data->last_category = category;
- category_str = data->last_category_str = rb_str_new2(category);
- category_objects = data->last_category_objects = rb_ident_hash_new();
- if (!NIL_P(rb_hash_lookup(data->categories, category_str))) {
- rb_bug("reachable_object_from_root_i: category should insert at once");
- }
- rb_hash_aset(data->categories, category_str, category_objects);
+ data->last_category = category;
+ category_str = data->last_category_str = rb_str_new2(category);
+ category_objects = data->last_category_objects = rb_ident_hash_new();
+ if (!NIL_P(rb_hash_lookup(data->categories, category_str))) {
+ rb_bug("reachable_object_from_root_i: category should insert at once");
+ }
+ rb_hash_aset(data->categories, category_str, category_objects);
}
- if (rb_objspace_markable_object_p(obj) &&
- obj != data->categories &&
- obj != data->last_category_objects) {
- if (rb_objspace_internal_object_p(obj)) {
- obj = iow_newobj(obj);
- }
- rb_hash_aset(category_objects, obj, obj);
+ if (!rb_objspace_garbage_object_p(obj) &&
+ obj != data->categories &&
+ obj != data->last_category_objects) {
+ if (rb_objspace_internal_object_p(obj)) {
+ obj = iow_newobj(obj);
+ }
+ rb_hash_aset(category_objects, obj, obj);
}
}
@@ -874,14 +684,14 @@ static VALUE
wrap_klass_iow(VALUE klass)
{
if (!RTEST(klass)) {
- return Qnil;
+ return Qnil;
}
else if (RB_TYPE_P(klass, T_ICLASS) ||
CLASS_OF(klass) == Qfalse /* hidden object */) {
- return iow_newobj(klass);
+ return iow_newobj(klass);
}
else {
- return klass;
+ return klass;
}
}
@@ -900,7 +710,7 @@ objspace_internal_class_of(VALUE self, VALUE obj)
VALUE klass;
if (rb_typeddata_is_kind_of(obj, &iow_data_type)) {
- obj = (VALUE)DATA_PTR(obj);
+ obj = (VALUE)DATA_PTR(obj);
}
if (RB_TYPE_P(obj, T_IMEMO)) {
@@ -927,17 +737,17 @@ objspace_internal_super_of(VALUE self, VALUE obj)
VALUE super;
if (rb_typeddata_is_kind_of(obj, &iow_data_type)) {
- obj = (VALUE)DATA_PTR(obj);
+ obj = (VALUE)DATA_PTR(obj);
}
switch (OBJ_BUILTIN_TYPE(obj)) {
case T_MODULE:
case T_CLASS:
case T_ICLASS:
- super = RCLASS_SUPER(obj);
- break;
+ super = rb_class_super_of(obj);
+ break;
default:
- rb_raise(rb_eArgError, "class or module is expected");
+ rb_raise(rb_eArgError, "class or module is expected");
}
return wrap_klass_iow(super);
@@ -955,7 +765,7 @@ void Init_objspace_dump(VALUE rb_mObjSpace);
*
* You need to <code>require 'objspace'</code> to use this extension module.
*
- * Generally, you *SHOULD NOT* use this library if you do not know
+ * Generally, you *SHOULD* *NOT* use this library if you do not know
* about the MRI implementation. Mainly, this library is for (memory)
* profiler developers and MRI developers who need to know about MRI
* memory usage.
@@ -976,7 +786,6 @@ Init_objspace(void)
rb_define_module_function(rb_mObjSpace, "count_objects_size", count_objects_size, -1);
rb_define_module_function(rb_mObjSpace, "count_symbols", count_symbols, -1);
- rb_define_module_function(rb_mObjSpace, "count_nodes", count_nodes, -1);
rb_define_module_function(rb_mObjSpace, "count_tdata_objects", count_tdata_objects, -1);
rb_define_module_function(rb_mObjSpace, "count_imemo_objects", count_imemo_objects, -1);
@@ -996,6 +805,7 @@ Init_objspace(void)
* You can use the #type method to check the type of the internal object.
*/
rb_cInternalObjectWrapper = rb_define_class_under(rb_mObjSpace, "InternalObjectWrapper", rb_cObject);
+ rb_undef_alloc_func(rb_cInternalObjectWrapper);
rb_define_method(rb_cInternalObjectWrapper, "type", iow_type, 0);
rb_define_method(rb_cInternalObjectWrapper, "inspect", iow_inspect, 0);
rb_define_method(rb_cInternalObjectWrapper, "internal_object_id", iow_internal_object_id, 0);
diff --git a/ext/objspace/objspace_dump.c b/ext/objspace/objspace_dump.c
index cf7acb5c6f..68ada01af3 100644
--- a/ext/objspace/objspace_dump.c
+++ b/ext/objspace/objspace_dump.c
@@ -12,34 +12,44 @@
**********************************************************************/
-#include "gc.h"
+#include "id_table.h"
#include "internal.h"
+#include "internal/array.h"
+#include "internal/class.h"
+#include "internal/gc.h"
#include "internal/hash.h"
+#include "internal/io.h"
#include "internal/string.h"
#include "internal/sanitizers.h"
+#include "symbol.h"
+#include "shape.h"
#include "node.h"
#include "objspace.h"
#include "ruby/debug.h"
#include "ruby/util.h"
#include "ruby/io.h"
-#include "vm_core.h"
+#include "vm_callinfo.h"
+#include "vm_sync.h"
RUBY_EXTERN const char ruby_hexdigits[];
#define BUFFER_CAPACITY 4096
struct dump_config {
- VALUE type;
- VALUE stream;
+ VALUE given_output;
+ VALUE output_io;
VALUE string;
+ FILE *stream;
const char *root_category;
VALUE cur_obj;
VALUE cur_obj_klass;
+ size_t cur_page_slot_size;
size_t cur_obj_references;
unsigned int roots: 1;
unsigned int full_heap: 1;
unsigned int partial_dump;
size_t since;
+ size_t shapes_since;
unsigned long buffer_len;
char buffer[BUFFER_CAPACITY];
};
@@ -49,7 +59,7 @@ dump_flush(struct dump_config *dc)
{
if (dc->buffer_len) {
if (dc->stream) {
- size_t written = rb_io_bufwrite(dc->stream, dc->buffer, dc->buffer_len);
+ size_t written = fwrite(dc->buffer, sizeof(dc->buffer[0]), dc->buffer_len, dc->stream);
if (written < dc->buffer_len) {
MEMMOVE(dc->buffer, dc->buffer + written, char, dc->buffer_len - written);
dc->buffer_len -= written;
@@ -75,7 +85,8 @@ buffer_ensure_capa(struct dump_config *dc, unsigned long requested)
}
}
-static void buffer_append(struct dump_config *dc, const char *cstr, unsigned long len)
+static void
+buffer_append(struct dump_config *dc, const char *cstr, unsigned long len)
{
if (LIKELY(len > 0)) {
buffer_ensure_capa(dc, len);
@@ -141,10 +152,10 @@ dump_append_sizet(struct dump_config *dc, const size_t number)
}
static void
-dump_append_c(struct dump_config *dc, char c)
+dump_append_c(struct dump_config *dc, unsigned char c)
{
if (c <= 0x1f) {
- const unsigned int width = (sizeof(c) * CHAR_BIT / 4) + 5;
+ const unsigned int width = rb_strlen_lit("\\u0000") + 1;
buffer_ensure_capa(dc, width);
unsigned long required = snprintf(dc->buffer + dc->buffer_len, width, "\\u00%02x", c);
RUBY_ASSERT(required <= width);
@@ -158,11 +169,9 @@ dump_append_c(struct dump_config *dc, char c)
}
static void
-dump_append_ref(struct dump_config *dc, VALUE ref)
+dump_append_ptr(struct dump_config *dc, VALUE ref)
{
- RUBY_ASSERT(ref > 0);
-
- char buffer[((sizeof(VALUE) * CHAR_BIT + 3) / 4) + 4];
+ char buffer[roomof(sizeof(VALUE) * CHAR_BIT, 4) + rb_strlen_lit("\"0x\"")];
char *buffer_start, *buffer_end;
buffer_start = buffer_end = &buffer[sizeof(buffer)];
@@ -178,6 +187,14 @@ dump_append_ref(struct dump_config *dc, VALUE ref)
}
static void
+dump_append_ref(struct dump_config *dc, VALUE ref)
+{
+ RUBY_ASSERT(ref > 0);
+ dump_append_ptr(dc, ref);
+}
+
+
+static void
dump_append_string_value(struct dump_config *dc, VALUE obj)
{
long i;
@@ -234,32 +251,32 @@ obj_type(VALUE obj)
{
switch (BUILTIN_TYPE(obj)) {
#define CASE_TYPE(type) case T_##type: return #type
- CASE_TYPE(NONE);
- CASE_TYPE(NIL);
- CASE_TYPE(OBJECT);
- CASE_TYPE(CLASS);
- CASE_TYPE(ICLASS);
- CASE_TYPE(MODULE);
- CASE_TYPE(FLOAT);
- CASE_TYPE(STRING);
- CASE_TYPE(REGEXP);
- CASE_TYPE(ARRAY);
- CASE_TYPE(HASH);
- CASE_TYPE(STRUCT);
- CASE_TYPE(BIGNUM);
- CASE_TYPE(FILE);
- CASE_TYPE(FIXNUM);
- CASE_TYPE(TRUE);
- CASE_TYPE(FALSE);
- CASE_TYPE(DATA);
- CASE_TYPE(MATCH);
- CASE_TYPE(SYMBOL);
- CASE_TYPE(RATIONAL);
- CASE_TYPE(COMPLEX);
- CASE_TYPE(IMEMO);
- CASE_TYPE(UNDEF);
- CASE_TYPE(NODE);
- CASE_TYPE(ZOMBIE);
+ CASE_TYPE(NONE);
+ CASE_TYPE(NIL);
+ CASE_TYPE(OBJECT);
+ CASE_TYPE(CLASS);
+ CASE_TYPE(ICLASS);
+ CASE_TYPE(MODULE);
+ CASE_TYPE(FLOAT);
+ CASE_TYPE(STRING);
+ CASE_TYPE(REGEXP);
+ CASE_TYPE(ARRAY);
+ CASE_TYPE(HASH);
+ CASE_TYPE(STRUCT);
+ CASE_TYPE(BIGNUM);
+ CASE_TYPE(FILE);
+ CASE_TYPE(FIXNUM);
+ CASE_TYPE(TRUE);
+ CASE_TYPE(FALSE);
+ CASE_TYPE(DATA);
+ CASE_TYPE(MATCH);
+ CASE_TYPE(SYMBOL);
+ CASE_TYPE(RATIONAL);
+ CASE_TYPE(COMPLEX);
+ CASE_TYPE(IMEMO);
+ CASE_TYPE(UNDEF);
+ CASE_TYPE(NODE);
+ CASE_TYPE(ZOMBIE);
#undef CASE_TYPE
default: break;
}
@@ -312,6 +329,17 @@ reachable_object_i(VALUE ref, void *data)
dc->cur_obj_references++;
}
+static bool
+dump_string_ascii_only(const char *str, long size)
+{
+ for (long i = 0; i < size; i++) {
+ if (str[i] & 0x80) {
+ return false;
+ }
+ }
+ return true;
+}
+
static void
dump_append_string_content(struct dump_config *dc, VALUE obj)
{
@@ -322,20 +350,42 @@ dump_append_string_content(struct dump_config *dc, VALUE obj)
dump_append_sizet(dc, rb_str_capacity(obj));
}
- if (is_ascii_string(obj)) {
- dump_append(dc, ", \"value\":");
- dump_append_string_value(dc, obj);
+ if (RSTRING_LEN(obj) && rb_enc_asciicompat(rb_enc_from_index(ENCODING_GET(obj)))) {
+ int cr = ENC_CODERANGE(obj);
+ if (cr == RUBY_ENC_CODERANGE_UNKNOWN) {
+ if (dump_string_ascii_only(RSTRING_PTR(obj), RSTRING_LEN(obj))) {
+ cr = RUBY_ENC_CODERANGE_7BIT;
+ }
+ }
+ if (cr == RUBY_ENC_CODERANGE_7BIT) {
+ dump_append(dc, ", \"value\":");
+ dump_append_string_value(dc, obj);
+ }
+ }
+}
+
+static inline void
+dump_append_id(struct dump_config *dc, ID id)
+{
+ VALUE str = rb_sym2str(ID2SYM(id));
+ if (RTEST(str)) {
+ dump_append_string_value(dc, str);
+ }
+ else {
+ dump_append(dc, "\"ID_INTERNAL(");
+ dump_append_sizet(dc, rb_id_to_serial(id));
+ dump_append(dc, ")\"");
}
}
+
static void
dump_object(VALUE obj, struct dump_config *dc)
{
size_t memsize;
struct allocation_info *ainfo = objspace_lookup_allocation_info(obj);
rb_io_t *fptr;
- ID flags[RB_OBJ_GC_FLAGS_MAX];
- size_t n, i;
+ ID mid;
if (SPECIAL_CONST_P(obj)) {
dump_append_special_const(dc, obj);
@@ -344,7 +394,12 @@ dump_object(VALUE obj, struct dump_config *dc)
dc->cur_obj = obj;
dc->cur_obj_references = 0;
- dc->cur_obj_klass = BUILTIN_TYPE(obj) == T_NODE ? 0 : RBASIC_CLASS(obj);
+ if (BUILTIN_TYPE(obj) == T_NODE || (BUILTIN_TYPE(obj) == T_IMEMO && !IMEMO_TYPE_P(obj, imemo_fields))) {
+ dc->cur_obj_klass = 0;
+ }
+ else {
+ dc->cur_obj_klass = RBASIC_CLASS(obj);
+ }
if (dc->partial_dump && (!ainfo || ainfo->generation < dc->since)) {
return;
@@ -360,6 +415,15 @@ dump_object(VALUE obj, struct dump_config *dc)
dump_append(dc, obj_type(obj));
dump_append(dc, "\"");
+ if (BUILTIN_TYPE(obj) != T_IMEMO || IMEMO_TYPE_P(obj, imemo_fields)) {
+ size_t shape_id = rb_obj_shape_id(obj) & SHAPE_ID_OFFSET_MASK;
+ dump_append(dc, ", \"shape_id\":");
+ dump_append_sizet(dc, shape_id);
+ }
+
+ dump_append(dc, ", \"slot_size\":");
+ dump_append_sizet(dc, dc->cur_page_slot_size);
+
if (dc->cur_obj_klass) {
dump_append(dc, ", \"class\":");
dump_append_ref(dc, dc->cur_obj_klass);
@@ -376,6 +440,36 @@ dump_object(VALUE obj, struct dump_config *dc)
dump_append(dc, ", \"imemo_type\":\"");
dump_append(dc, rb_imemo_name(imemo_type(obj)));
dump_append(dc, "\"");
+
+ switch (imemo_type(obj)) {
+ case imemo_callinfo:
+ mid = vm_ci_mid((const struct rb_callinfo *)obj);
+ if (mid != 0) {
+ dump_append(dc, ", \"mid\":");
+ dump_append_id(dc, mid);
+ }
+ break;
+
+ case imemo_callcache:
+ {
+ VALUE klass = ((const struct rb_callcache *)obj)->klass;
+ if (klass != Qundef) {
+ mid = vm_cc_cme((const struct rb_callcache *)obj)->called_id;
+ if (mid != 0) {
+ dump_append(dc, ", \"called_id\":");
+ dump_append_id(dc, mid);
+
+ }
+
+ dump_append(dc, ", \"receiver_class\":");
+ dump_append_ref(dc, klass);
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
break;
case T_SYMBOL:
@@ -385,10 +479,10 @@ dump_object(VALUE obj, struct dump_config *dc)
case T_STRING:
if (STR_EMBED_P(obj))
dump_append(dc, ", \"embedded\":true");
- if (is_broken_string(obj))
- dump_append(dc, ", \"broken\":true");
if (FL_TEST(obj, RSTRING_FSTR))
dump_append(dc, ", \"fstring\":true");
+ if (CHILLED_STRING_P(obj))
+ dump_append(dc, ", \"chilled\":true");
if (STR_SHARED_P(obj))
dump_append(dc, ", \"shared\":true");
else
@@ -399,6 +493,27 @@ dump_object(VALUE obj, struct dump_config *dc)
dump_append(dc, rb_enc_name(rb_enc_from_index(ENCODING_GET(obj))));
dump_append(dc, "\"");
}
+
+ dump_append(dc, ", \"coderange\":\"");
+ switch (RB_ENC_CODERANGE(obj)) {
+ case RUBY_ENC_CODERANGE_UNKNOWN:
+ dump_append(dc, "unknown");
+ break;
+ case RUBY_ENC_CODERANGE_7BIT:
+ dump_append(dc, "7bit");
+ break;
+ case RUBY_ENC_CODERANGE_VALID:
+ dump_append(dc, "valid");
+ break;
+ case RUBY_ENC_CODERANGE_BROKEN:
+ dump_append(dc, "broken");
+ break;
+ }
+ dump_append(dc, "\"");
+
+ if (RB_ENC_CODERANGE(obj) == RUBY_ENC_CODERANGE_BROKEN)
+ dump_append(dc, ", \"broken\":true");
+
break;
case T_HASH:
@@ -413,9 +528,9 @@ dump_object(VALUE obj, struct dump_config *dc)
case T_ARRAY:
dump_append(dc, ", \"length\":");
dump_append_ld(dc, RARRAY_LEN(obj));
- if (RARRAY_LEN(obj) > 0 && FL_TEST(obj, ELTS_SHARED))
+ if (RARRAY_LEN(obj) > 0 && FL_TEST(obj, RARRAY_SHARED_FLAG))
dump_append(dc, ", \"shared\":true");
- if (RARRAY_LEN(obj) > 0 && FL_TEST(obj, RARRAY_EMBED_FLAG))
+ if (FL_TEST(obj, RARRAY_EMBED_FLAG))
dump_append(dc, ", \"embedded\":true");
break;
@@ -427,6 +542,9 @@ dump_object(VALUE obj, struct dump_config *dc)
break;
case T_CLASS:
+ dump_append(dc, ", \"variation_count\":");
+ dump_append_d(dc, rb_class_variation_count(obj));
+
case T_MODULE:
if (rb_class_get_superclass(obj)) {
dump_append(dc, ", \"superclass\":");
@@ -436,10 +554,10 @@ dump_object(VALUE obj, struct dump_config *dc)
if (dc->cur_obj_klass) {
VALUE mod_name = rb_mod_name(obj);
if (!NIL_P(mod_name)) {
- dump_append(dc, ", \"name\":\"");
- dump_append(dc, RSTRING_PTR(mod_name));
- dump_append(dc, "\"");
- } else {
+ dump_append(dc, ", \"name\":");
+ dump_append_string_value(dc, mod_name);
+ }
+ else {
VALUE real_mod_name = rb_mod_name(rb_class_real(obj));
if (RTEST(real_mod_name)) {
dump_append(dc, ", \"real_class_name\":\"");
@@ -448,17 +566,22 @@ dump_object(VALUE obj, struct dump_config *dc)
}
}
- if (FL_TEST(obj, FL_SINGLETON)) {
+ if (rb_class_singleton_p(obj)) {
dump_append(dc, ", \"singleton\":true");
}
}
break;
case T_DATA:
- if (RTYPEDDATA_P(obj)) {
+ {
+ const rb_data_type_t *type = RTYPEDDATA_TYPE(obj);
dump_append(dc, ", \"struct\":\"");
- dump_append(dc, RTYPEDDATA_TYPE(obj)->wrap_struct_name);
+ dump_append(dc, type->wrap_struct_name);
dump_append(dc, "\"");
+ if (!(type->flags & RUBY_TYPED_FREE_IMMEDIATELY) &&
+ type->function.dfree != RUBY_DEFAULT_FREE) {
+ dump_append(dc, ", \"free_immediately\":false");
+ }
}
break;
@@ -469,8 +592,15 @@ dump_object(VALUE obj, struct dump_config *dc)
break;
case T_OBJECT:
+ if (!FL_TEST_RAW(obj, ROBJECT_HEAP)) {
+ dump_append(dc, ", \"embedded\":true");
+ }
+
dump_append(dc, ", \"ivars\":");
- dump_append_lu(dc, ROBJECT_NUMIV(obj));
+ dump_append_lu(dc, ROBJECT_FIELDS_COUNT(obj));
+ if (rb_obj_shape_complex_p(obj)) {
+ dump_append(dc, ", \"complex_shape\":true");
+ }
break;
case T_FILE:
@@ -482,8 +612,8 @@ dump_object(VALUE obj, struct dump_config *dc)
break;
case T_ZOMBIE:
- dump_append(dc, "}\n");
- return;
+ dump_append(dc, "}\n");
+ return;
default:
break;
@@ -517,14 +647,24 @@ dump_object(VALUE obj, struct dump_config *dc)
dump_append_sizet(dc, memsize);
}
- if ((n = rb_obj_gc_flags(obj, flags, sizeof(flags))) > 0) {
- dump_append(dc, ", \"flags\":{");
- for (i=0; i<n; i++) {
- dump_append(dc, "\"");
- dump_append(dc, rb_id2name(flags[i]));
- dump_append(dc, "\":true");
- if (i != n-1) dump_append(dc, ", ");
+ struct rb_gc_object_metadata_entry *gc_metadata = rb_gc_object_metadata(obj);
+ for (int i = 0; gc_metadata[i].name != 0; i++) {
+ if (i == 0) {
+ dump_append(dc, ", \"flags\":{");
}
+ else {
+ dump_append(dc, ", ");
+ }
+
+ dump_append(dc, "\"");
+ dump_append(dc, rb_id2name(gc_metadata[i].name));
+ dump_append(dc, "\":");
+ dump_append_special_const(dc, gc_metadata[i].val);
+ }
+
+ /* If rb_gc_object_metadata had any entries, we need to close the opening
+ * `"flags":{`. */
+ if (gc_metadata[0].name != 0) {
dump_append(dc, "}");
}
@@ -537,14 +677,15 @@ heap_i(void *vstart, void *vend, size_t stride, void *data)
struct dump_config *dc = (struct dump_config *)data;
VALUE v = (VALUE)vstart;
for (; v != (VALUE)vend; v += stride) {
- void *ptr = asan_poisoned_object_p(v);
- asan_unpoison_object(v, false);
+ void *ptr = rb_asan_poisoned_object_p(v);
+ rb_asan_unpoison_object(v, false);
+ dc->cur_page_slot_size = stride;
- if (dc->full_heap || RBASIC(v)->flags)
- dump_object(v, dc);
+ if (dc->full_heap || RBASIC(v)->flags)
+ dump_object(v, dc);
if (ptr) {
- asan_poison_object(v);
+ rb_asan_poison_object(v);
}
}
return 0;
@@ -573,17 +714,36 @@ root_obj_i(const char *category, VALUE obj, void *data)
}
static void
-dump_output(struct dump_config *dc, VALUE output, VALUE full, VALUE since)
+dump_output(struct dump_config *dc, VALUE output, VALUE full, VALUE since, VALUE shapes)
{
-
+ dc->given_output = output;
dc->full_heap = 0;
dc->buffer_len = 0;
if (TYPE(output) == T_STRING) {
- dc->stream = Qfalse;
+ dc->stream = NULL;
dc->string = output;
- } else {
- dc->stream = output;
+ }
+ else {
+ rb_io_t *fptr;
+ // Output should be an IO, typecheck and get a FILE* for writing.
+ // We cannot write with the usual IO code here because writes
+ // interleave with calls to rb_gc_mark(). The usual IO code can
+ // cause a thread switch, raise exceptions, and even run arbitrary
+ // ruby code through the fiber scheduler.
+ //
+ // Mark functions generally can't handle these possibilities so
+ // the usual IO code is unsafe in this context. (For example,
+ // there are many ways to crash when ruby code runs and mutates
+ // the execution context while rb_execution_context_mark() is in
+ // progress.)
+ //
+ // Using FILE* isn't perfect, but it avoids the most acute problems.
+ output = rb_io_get_io(output);
+ dc->output_io = rb_io_get_write_io(output);
+ rb_io_flush(dc->output_io);
+ GetOpenFile(dc->output_io, fptr);
+ dc->stream = rb_io_stdio_file(fptr);
dc->string = Qfalse;
}
@@ -594,9 +754,12 @@ dump_output(struct dump_config *dc, VALUE output, VALUE full, VALUE since)
if (RTEST(since)) {
dc->partial_dump = 1;
dc->since = NUM2SIZET(since);
- } else {
+ }
+ else {
dc->partial_dump = 0;
}
+
+ dc->shapes_since = RTEST(shapes) ? NUM2SIZET(shapes) : 0;
}
static VALUE
@@ -604,30 +767,100 @@ dump_result(struct dump_config *dc)
{
dump_flush(dc);
+ if (dc->stream) {
+ fflush(dc->stream);
+ }
if (dc->string) {
return dc->string;
- } else {
- rb_io_flush(dc->stream);
- return dc->stream;
}
+ return dc->given_output;
}
static VALUE
-objspace_dump(VALUE os, VALUE obj, VALUE output)
+dump_locked(void *args_p)
{
struct dump_config dc = {0,};
- dump_output(&dc, output, Qnil, Qnil);
+ VALUE obj = ((VALUE*)args_p)[0];
+ VALUE output = ((VALUE*)args_p)[1];
+
+ if (!RB_SPECIAL_CONST_P(obj)) {
+ dc.cur_page_slot_size = rb_gc_obj_slot_size(obj);
+ }
+ dump_output(&dc, output, Qnil, Qnil, Qnil);
dump_object(obj, &dc);
return dump_result(&dc);
}
+/* :nodoc: */
static VALUE
-objspace_dump_all(VALUE os, VALUE output, VALUE full, VALUE since)
+objspace_dump(VALUE os, VALUE obj, VALUE output)
+{
+ VALUE args[2];
+ args[0] = obj;
+ args[1] = output;
+ return rb_vm_lock_with_barrier(dump_locked, (void*)args);
+}
+
+static void
+shape_id_i(shape_id_t shape_id, void *data)
+{
+ struct dump_config *dc = (struct dump_config *)data;
+
+ if (shape_id < dc->shapes_since) {
+ return;
+ }
+
+ dump_append(dc, "{\"address\":");
+ dump_append_ref(dc, (VALUE)RSHAPE(shape_id));
+
+ dump_append(dc, ", \"type\":\"SHAPE\", \"id\":");
+ dump_append_sizet(dc, shape_id);
+
+ if (RSHAPE_TYPE(shape_id) != SHAPE_ROOT) {
+ dump_append(dc, ", \"parent_id\":");
+ dump_append_lu(dc, RSHAPE_PARENT_OFFSET(shape_id));
+ }
+
+ dump_append(dc, ", \"depth\":");
+ dump_append_sizet(dc, rb_shape_depth(shape_id));
+
+ switch (RSHAPE_TYPE(shape_id)) {
+ case SHAPE_ROOT:
+ dump_append(dc, ", \"shape_type\":\"ROOT\"");
+ break;
+ case SHAPE_IVAR:
+ dump_append(dc, ", \"shape_type\":\"IVAR\"");
+
+ dump_append(dc, ",\"edge_name\":");
+ dump_append_id(dc, RSHAPE_EDGE_NAME(shape_id));
+
+ break;
+ case SHAPE_OBJ_ID:
+ dump_append(dc, ", \"shape_type\":\"OBJ_ID\"");
+ break;
+ }
+
+ dump_append(dc, ", \"edges\":");
+ dump_append_sizet(dc, rb_shape_edges_count(shape_id));
+
+ dump_append(dc, ", \"memsize\":");
+ dump_append_sizet(dc, rb_shape_memsize(shape_id));
+
+ dump_append(dc, "}\n");
+}
+
+static VALUE
+dump_all_locked(void *args_p)
{
struct dump_config dc = {0,};
- dump_output(&dc, output, full, since);
+ VALUE output = ((VALUE*)args_p)[0];
+ VALUE full = ((VALUE*)args_p)[1];
+ VALUE since = ((VALUE*)args_p)[2];
+ VALUE shapes = ((VALUE*)args_p)[3];
+
+ dump_output(&dc, output, full, since, shapes);
if (!dc.partial_dump || dc.since == 0) {
/* dump roots */
@@ -635,12 +868,53 @@ objspace_dump_all(VALUE os, VALUE output, VALUE full, VALUE since)
if (dc.roots) dump_append(&dc, "]}\n");
}
+ if (RTEST(shapes)) {
+ rb_shape_each_shape_id(shape_id_i, &dc);
+ }
+
/* dump all objects */
rb_objspace_each_objects(heap_i, &dc);
return dump_result(&dc);
}
+/* :nodoc: */
+static VALUE
+objspace_dump_all(VALUE os, VALUE output, VALUE full, VALUE since, VALUE shapes)
+{
+ VALUE args[4];
+ args[0] = output;
+ args[1] = full;
+ args[2] = since;
+ args[3] = shapes;
+ return rb_vm_lock_with_barrier(dump_all_locked, (void*)args);
+}
+
+static VALUE
+dump_shapes_locked(void *args_p)
+{
+ struct dump_config dc = {0,};
+ VALUE output = ((VALUE*)args_p)[0];
+ VALUE shapes = ((VALUE*)args_p)[1];
+
+ dump_output(&dc, output, Qfalse, Qnil, shapes);
+
+ if (RTEST(shapes)) {
+ rb_shape_each_shape_id(shape_id_i, &dc);
+ }
+ return dump_result(&dc);
+}
+
+/* :nodoc: */
+static VALUE
+objspace_dump_shapes(VALUE os, VALUE output, VALUE shapes)
+{
+ VALUE args[2];
+ args[0] = output;
+ args[1] = shapes;
+ return rb_vm_lock_with_barrier(dump_shapes_locked, (void*)args);
+}
+
void
Init_objspace_dump(VALUE rb_mObjSpace)
{
@@ -648,10 +922,11 @@ Init_objspace_dump(VALUE rb_mObjSpace)
#if 0
rb_mObjSpace = rb_define_module("ObjectSpace"); /* let rdoc know */
#endif
+#ifdef HAVE_RB_EXT_RACTOR_SAFE
+ RB_EXT_RACTOR_SAFE(true);
+#endif
rb_define_module_function(rb_mObjSpace, "_dump", objspace_dump, 2);
- rb_define_module_function(rb_mObjSpace, "_dump_all", objspace_dump_all, 3);
-
- /* force create static IDs */
- rb_obj_gc_flags(rb_mObjSpace, 0, 0);
+ rb_define_module_function(rb_mObjSpace, "_dump_all", objspace_dump_all, 4);
+ rb_define_module_function(rb_mObjSpace, "_dump_shapes", objspace_dump_shapes, 2);
}