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2609 commits

Author SHA1 Message Date
Peter Zhu
f2369de2a4 Remove redundant cast 
ptr is already of the VALUE type, so we don't need to cast it.
 2024-04-11 12:08:03 -04:00
Peter Zhu
f389a211b5 Fix indentation in switch statement in gc.c 2024-04-10 16:32:49 -04:00
Nobuyoshi Nakada
b006919200 objspace_each_pages is also only used if GC compression is possible 2024-04-06 18:51:24 +09:00
Peter Zhu
1f84e1099e [DOC] Add nodoc for GC.remove_stress_to_class 
This method is only available when compiled with GC_DEBUG_STRESS_TO_CLASS
is enabled, so it's not available on release builds of Ruby.
 2024-04-05 13:46:47 -04:00
Peter Zhu
46ebc48e62 [DOC] Add nodoc for GC.add_stress_to_class 
This method is only available when compiled with GC_DEBUG_STRESS_TO_CLASS
is enabled, so it's not available on release builds of Ruby.
 2024-04-05 13:45:12 -04:00
Peter Zhu
dbe8886f4d Remove deprecated function rb_gc_force_recycle 
This function has been deprecated since Ruby 3.1, so we should remove it
for Ruby 3.4.
 2024-04-05 11:39:54 -04:00
Matt Valentine-House
ef19234b10 Merge rb_objspace_alloc and Init_heap. 
Co-Authored-By: Peter Zhu <peter@peterzhu.ca>
 2024-04-04 15:00:57 +01:00
Peter Zhu
24a7407960 Remove with_gc functions in darray 
We can wrap in DURING_GC_COULD_MALLOC_REGION instead.
 2024-04-02 13:26:24 -04:00
Peter Zhu
fa0a62413a Don't check for dynamic symbol when reference updating 
All symbols in the GC are dynamic symbols, so we don't need to check it.
 2024-03-28 11:54:16 -04:00
KJ Tsanaktsidis
dc9d2455b6 Add a missing asan_unpoisoning_p in gc_set_candidate_object_i 
It walks the heap, and checks for T_NONE and T_ZOMBIE objects, so it
needs to unpoison these slots before accessing them when ASAN is
enabled.
 2024-03-28 09:49:10 +11:00
Peter Zhu
c50b6425b4 Remove st_lookup when updating object ID 2024-03-27 11:41:08 -04:00
Peter Zhu
4566843b3e Check FL_SEEN_OBJ_ID before looking up in table 
This is an optimization for compaction so that we only lookup in the
obj_to_id_tbl table only when FL_SEEN_OBJ_ID is set.
 2024-03-27 11:41:08 -04:00
Peter Zhu
aa794cc5a2 Turn GC off at boot on Windows 
This is to stop crashes like:

    .\miniruby.exe: [BUG] Segmentation fault
    ruby 3.4.0dev (2024-03-26T15:38:26Z pull/10370/merge 040ea2ae2f) [x64-mswin64_140]

    -- Control frame information -----------------------------------------------
    c:0001 p:0000 s:0003 E:000d00 DUMMY  [FINISH]

    -- Threading information ---------------------------------------------------
    Total ractor count: 1
    Ruby thread count for this ractor: 1

    -- C level backtrace information -------------------------------------------
    C:\Windows\SYSTEM32\ntdll.dll(NtWaitForSingleObject+0x14) [0x00007FFA091AFC74]
    C:\Windows\System32\KERNELBASE.dll(WaitForSingleObjectEx+0x93) [0x00007FFA05BB4513]
    D:\a\ruby\ruby\build\miniruby.exe(rb_print_backtrace+0x3e) [0x00007FF64E536EFE] d:\a\ruby\ruby\src\vm_dump.c:844
    D:\a\ruby\ruby\build\miniruby.exe(rb_vm_bugreport+0x1ae) [0x00007FF64E5370B2] d:\a\ruby\ruby\src\vm_dump.c:1154
    D:\a\ruby\ruby\build\miniruby.exe(rb_bug_for_fatal_signal+0x77) [0x00007FF64E3FF357] d:\a\ruby\ruby\src\error.c:1087
    D:\a\ruby\ruby\build\miniruby.exe(sigsegv+0x71) [0x00007FF64E4C79E5] d:\a\ruby\ruby\src\signal.c:926
    C:\Windows\System32\ucrtbase.dll(seh_filter_exe+0x233) [0x00007FFA0521CE03]
    D:\a\ruby\ruby\build\miniruby.exe(`__scrt_common_main_seh'::`1'::filt$0+0x16) [0x00007FF64E594DA0] f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:269
    C:\Windows\SYSTEM32\VCRUNTIME140.dll(_C_specific_handler+0x9f) [0x00007FF9E54AF73F]
    C:\Windows\SYSTEM32\ntdll.dll(_chkstk+0x11f) [0x00007FFA091B4C2F]
    C:\Windows\SYSTEM32\ntdll.dll(RtlWalkFrameChain+0x14bf) [0x00007FFA09114CEF]
    C:\Windows\SYSTEM32\ntdll.dll(KiUserExceptionDispatcher+0x2e) [0x00007FFA091B399E]
    D:\a\ruby\ruby\build\miniruby.exe(newobj_of+0x6d) [0x00007FF64E418615] d:\a\ruby\ruby\src\gc.c:2949
    D:\a\ruby\ruby\build\miniruby.exe(rb_wb_protected_newobj_of+0x32) [0x00007FF64E41C7DA] d:\a\ruby\ruby\src\gc.c:2974
    D:\a\ruby\ruby\build\miniruby.exe(str_new0+0x64) [0x00007FF64E4E7F48] d:\a\ruby\ruby\src\string.c:887
    D:\a\ruby\ruby\build\miniruby.exe(rb_enc_str_new+0x40) [0x00007FF64E4D89B8] d:\a\ruby\ruby\src\string.c:945
    D:\a\ruby\ruby\build\miniruby.exe(iseq_compile_each0+0xdd7) [0x00007FF64E3B4A23] d:\a\ruby\ruby\src\compile.c:10368
    D:\a\ruby\ruby\build\miniruby.exe(iseq_compile_each+0x74) [0x00007FF64E3B3C40] d:\a\ruby\ruby\src\compile.c:9971
 2024-03-27 09:39:23 -04:00
Peter Zhu
f14e52c8c4 Fix setting GC stress at boot when objspace not available 2024-03-27 09:39:23 -04:00
eileencodes
e16086b7f2 Refactor init_copy gc attributes 
This PR moves `rb_copy_wb_protected_attribute` and
`rb_gc_copy_finalizer` into a single function called
`rb_gc_copy_attributes` to be called by `init_copy`. This reduces the
surface area of the GC API.

Co-authored-by: Peter Zhu <peter@peterzhu.ca>
 2024-03-26 14:29:36 -04:00
Peter Zhu
9cf754b648 Fix --debug=gc_stress flag 
ruby_env_debug_option gets called after Init_gc_stress, so the
--debug=gc_stress flag never works.
 2024-03-25 13:07:39 -04:00
KJ Tsanaktsidis
2535a09e85 Check ASAN fake stacks when marking non-current threads 
Currently, we check the values on the machine stack & register state to
see if they're actually a pointer to an ASAN fake stack, and mark the
values on the fake stack too if required. However, we are only doing
that for the _current_ thread (the one actually running the GC), not for
any other thread in the program.

Make rb_gc_mark_machine_context (which is called for marking non-current
threads) perform the same ASAN fake stack handling that
mark_current_machine_context performs.

[Bug #20310]
 2024-03-25 14:57:04 +11:00
KJ Tsanaktsidis
48d3bdddba Move asan_fake_stack_handle to EC, not thread 
It's really a property of the EC; each fiber (which has its own EC) also
has its own asan_fake_stack_handle.

[Bug #20310]
 2024-03-25 14:57:04 +11:00
Peter Zhu
806edd2956 Pass objspace into heap_check_moved_i 2024-03-21 10:43:07 -04:00
Peter Zhu
9a6a6b4ba6 Pass objspace into root_obj_check_moved_i 2024-03-21 10:43:07 -04:00
Peter Zhu
e07441f05f Make rb_aligned_malloc private 
It is not used anywhere else.
 2024-03-20 10:27:41 -04:00
Peter Zhu
4469729558 Remove rb_raw_obj_info_basic 
It's not used outside of gc.c.
 2024-03-18 10:19:11 -04:00
Peter Zhu
185112f4ff Remove unused macro TF 2024-03-15 16:03:26 -04:00
Peter Zhu
59785680dd Remove unused macro GC_NOTIFY in gc.c 2024-03-15 15:44:05 +09:00
Peter Zhu
c2170e5c2b Fix typo from gloabl_object_list to global_object_list 2024-03-14 13:52:20 -04:00
Peter Zhu
4559a161af Move gloabl_object_list from objspace to VM 
This is to be consistent with the mark_object_ary that is in the VM.
 2024-03-14 13:29:59 -04:00
Peter Zhu
ff51dc5654 [Feature #20265] Remove rb_newobj_of and RB_NEWOBJ_OF 2024-03-14 12:53:04 -04:00
Peter Zhu
8e1831406f [Feature #20265] Remove rb_newobj and RB_NEWOBJ 2024-03-14 12:53:04 -04:00
Peter Zhu
3896f9940e Make special const and too complex shapes before T_OBJECT shapes 2024-03-13 09:55:52 -04:00
Peter Zhu
6b0434c0f7 Don't create per size pool shapes for non-T_OBJECT 2024-03-13 09:55:52 -04:00
Peter Zhu
6ad347a105 Don't directly read the SIZE_POOL_COUNT in shapes 
This removes the assumption about SIZE_POOL_COUNT for shapes.
 2024-03-13 09:55:52 -04:00
Peter Zhu
e12bc5c572 Remove dead function rb_obj_rgengc_promoted_p 2024-03-11 11:04:20 -04:00
Peter Zhu
9f31577987 Reuse rb_gc_writebarrier_unprotect in rb_copy_wb_protected_attribute 2024-03-11 09:30:15 -04:00
Jean Boussier
d4f3dcf4df Refactor VM root modules 
This `st_table` is used to both mark and pin classes
defined from the C API. But `vm->mark_object_ary` already
does both much more efficiently.

Currently a Ruby process starts with 252 rooted classes,
which uses `7224B` in an `st_table` or `2016B` in an `RArray`.

So a baseline of 5kB saved, but since `mark_object_ary` is
preallocated with `1024` slots but only use `405` of them,
it's a net `7kB` save.

`vm->mark_object_ary` is also being refactored.

Prior to this changes, `mark_object_ary` was a regular `RArray`, but
since this allows for references to be moved, it was marked a second
time from `rb_vm_mark()` to pin these objects.

This has the detrimental effect of marking these references on every
minors even though it's a mostly append only list.

But using a custom TypedData we can save from having to mark
all the references on minor GC runs.

Addtionally, immediate values are now ignored and not appended
to `vm->mark_object_ary` as it's just wasted space.
 2024-03-06 15:33:43 -05:00
Jean Boussier
b4a69351ec Move FL_SINGLETON to FL_USER1 
This frees FL_USER0 on both T_MODULE and T_CLASS.

Note: prior to this, FL_SINGLETON was never set on T_MODULE,
so checking for `FL_SINGLETON` without first checking that
`FL_TYPE` was `T_CLASS` was valid. That's no longer the case.
 2024-03-06 13:11:41 -05:00
Peter Zhu
5a3ae06a09 Remove dead function rb_obj_rgengc_writebarrier_protected_p 2024-03-01 15:41:16 -05:00
Peter Zhu
6f31dd495c Don't check_rvalue_consistency in is_markable_object 
is_markable_object is called by rb_objspace_markable_object_p, which
may pass a T_NONE object. check_rvalue_consistency will fail if a T_NONE
object is passed in.
 2024-03-01 13:38:49 -05:00
Peter Zhu
d3ae5808bb Remove each_machine_stack_value 
The function is only used by rb_gc_mark_machine_stack.
 2024-02-29 14:26:31 -05:00
Peter Zhu
3d61477900 Remove unused gc_mark_stack_values 2024-02-29 13:23:50 -05:00
Peter Zhu
6665ec26db Remove check for is_markable_object in gc_mark_stack_values 
gc_mark_and_pin already checks for is_markable_object.
 2024-02-29 13:23:50 -05:00
Peter Zhu
4c0f0b90a4 Assume that FL_FINALIZE is in finalizer_table 
If FL_FINALIZE is set but not in finalizer_table, then rb_bug.
 2024-02-29 11:07:53 -05:00
Peter Zhu
8a918b456c Add gc_each_object for walking the heap 2024-02-29 10:57:24 -05:00
Peter Zhu
950c60623b Delete from finalizer_table before running finalizer 
The finalizer could trigger a GC, which would cause FL_FINALIZE to be
out of sync with the finalizer table.
 2024-02-29 09:38:13 -05:00
Peter Zhu
d5bca0668c Unset FL_FINALIZE before running the finalizer 
The finalizer could trigger a GC, so FL_FINALIZE could get out of sync
with the finalizer table.
 2024-02-29 09:37:38 -05:00
Peter Zhu
4b92b60f0b Use array initialization rather than for loop 2024-02-28 14:54:21 -05:00
Peter Zhu
5481dbef07 Make rb_define_finalizer_no_check private 2024-02-28 13:45:19 -05:00
Peter Zhu
dcc976add9 Remove unused rb_gc_id2ref_obj_tbl 2024-02-28 12:21:38 -05:00
Peter Zhu
7b69563b36 Add check for finalizer in verify_internal_constency 
This adds a check in GC.verify_internal_constency that FL_FINALIZE flags
is set if, and only if it is in finalizer_table.
 2024-02-28 10:41:11 -05:00
Peter Zhu
48f433fd40 Change T_ZOMBIE flag check from an assertion 
Assertions are only enable on debug builds, so it will now check for
flags of T_ZOMBIE objects on all builds in GC.verify_internal_consistency.
 2024-02-28 10:41:11 -05:00
Peter Zhu
e8e2415bb3 Use RB_SPECIAL_CONST_P instead of rb_special_const_p 
rb_special_const_p returns a VALUE (Qtrue or Qfalse), so we shouldn't
assume that Qfalse is 0. We should instead use RB_SPECIAL_CONST_P.
 2024-02-27 21:11:11 -05:00