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Add another missing cast
---
iseq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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Trace :return of builtin methods
using opt_invokebuiltin_delegate_leave insn.
Since Ruby 2.7, :return of methods using builtin have not been traced properly.
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Fixed misspellings reported at [Bug #16437], only in ruby and rubyspec.
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It produced a warning about type cast in LLP64 (i.e., windows).
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(This is the second try of 036bc1da6c6c9b0fa9b7f5968d897a9554dd770e.)
If iseq is GC'ed, the pointer of iseq may be reused, which may hide a
deprecation warning of keyword argument change.
http://ci.rvm.jp/results/trunk-test1@phosphorus-docker/2474221
```
1) Failure:
TestKeywordArguments#test_explicit_super_kwsplat [/tmp/ruby/v2/src/trunk-test1/test/ruby/test_keyword.rb:549]:
--- expected
+++ actual
@@ -1 +1 @@
-/The keyword argument is passed as the last hash parameter.* for `m'/m
+""
```
This change ad-hocly adds iseq_unique_id for each iseq, and use it
instead of iseq pointer. This covers the case where caller is GC'ed.
Still, the case where callee is GC'ed, is not covered.
But anyway, it is very rare that iseq is GC'ed. Even when it occurs, it
just hides some warnings. It's no big deal.
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This reverts commit 036bc1da6c6c9b0fa9b7f5968d897a9554dd770e.
This caused a failure on iseq_binary mode.
http://ci.rvm.jp/results/trunk-iseq_binary@silicon-docker/2474587
Numbering iseqs is not trivial due to dump/load.
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If iseq is GC'ed, the pointer of iseq may be reused, which may hide a
deprecation warning of keyword argument change.
http://ci.rvm.jp/results/trunk-test1@phosphorus-docker/2474221
```
1) Failure:
TestKeywordArguments#test_explicit_super_kwsplat [/tmp/ruby/v2/src/trunk-test1/test/ruby/test_keyword.rb:549]:
--- expected
+++ actual
@@ -1 +1 @@
-/The keyword argument is passed as the last hash parameter.* for `m'/m
+""
```
This change ad-hocly adds iseq_unique_id for each iseq, and use it
instead of iseq pointer. This covers the case where caller is GC'ed.
Still, the case where callee is GC'ed, is not covered.
But anyway, it is very rare that iseq is GC'ed. Even when it occurs, it
just hides some warnings. It's no big deal.
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This commit introduces an "inline ivar cache" struct. The reason we
need this is so compaction can differentiate from an ivar cache and a
regular inline cache. Regular inline caches contain references to
`VALUE` and ivar caches just contain references to the ivar index. With
this new struct we can easily update references for inline caches (but
not inline var caches as they just contain an int)
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These functions are used from within a compilation unit so we can
make them static, for better binary size. This changeset reduces
the size of generated ruby binary from 26,590,128 bytes to
26,584,472 bytes on my macihne.
Notes:
Merged: https://github.com/ruby/ruby/pull/2682
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We incorrectly assumed that the `file` argument should be the file name and
caused https://github.com/scoutapp/scout_apm_ruby/issues/307 because
exception backtrace did not contain correct path. This documentation
clarifies the role of the different arguments and provides extra
examples.
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This removes the security features added by $SAFE = 1, and warns for access
or modification of $SAFE from Ruby-level, as well as warning when calling
all public C functions related to $SAFE.
This modifies some internal functions that took a safe level argument
to no longer take the argument.
rb_require_safe now warns, rb_require_string has been added as a
version that takes a VALUE and does not warn.
One public C function that still takes a safe level argument and that
this doesn't warn for is rb_eval_cmd. We may want to consider
adding an alternative method that does not take a safe level argument,
and warn for rb_eval_cmd.
Notes:
Merged: https://github.com/ruby/ruby/pull/2476
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Looking at the list of symbols inside of libruby-static.a, I found
hundreds of functions that are defined, but used from nowhere.
There can be reasons for each of them (e.g. some functions are
specific to some platform, some are useful when debugging, etc).
However it seems the functions deleted here exist for no reason.
This changeset reduces the size of ruby binary from 26,671,456
bytes to 26,592,864 bytes on my machine.
Notes:
Merged: https://github.com/ruby/ruby/pull/2677
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Fixes [Bug #16332]
Constant access was changed to no longer allow top-level constant access
through `nil`, but `defined?` wasn't changed at the same time to stay
consistent.
Use a separate defined type to distinguish between a constant
referenced from the current lexical scope and one referenced from
another namespace.
Notes:
Merged: https://github.com/ruby/ruby/pull/2657
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Support loading builtin features written in Ruby, which implement
with C builtin functions.
[Feature #16254]
Several features:
(1) Load .rb file at boottime with native binary.
Now, prelude.rb is loaded at boottime. However, this file is contained
into the interpreter as a text format and we need to compile it.
This patch contains a feature to load from binary format.
(2) __builtin_func() in Ruby call func() written in C.
In Ruby file, we can write `__builtin_func()` like method call.
However this is not a method call, but special syntax to call
a function `func()` written in C. C functions should be defined
in a file (same compile unit) which load this .rb file.
Functions (`func` in above example) should be defined with
(a) 1st parameter: rb_execution_context_t *ec
(b) rest parameters (0 to 15).
(c) VALUE return type.
This is very similar requirements for functions used by
rb_define_method(), however `rb_execution_context_t *ec`
is new requirement.
(3) automatic C code generation from .rb files.
tool/mk_builtin_loader.rb creates a C code to load .rb files
needed by miniruby and ruby command. This script is run by
BASERUBY, so *.rb should be written in BASERUBY compatbile
syntax. This script load a .rb file and find all of __builtin_
prefix method calls, and generate a part of C code to export
functions.
tool/mk_builtin_binary.rb creates a C code which contains
binary compiled Ruby files needed by ruby command.
Notes:
Merged: https://github.com/ruby/ruby/pull/2655
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Notes:
Merged: https://github.com/ruby/ruby/pull/2590
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We need to ensure that labels are pinned while disassembling. If the
compactor runs during disassembly, references to these labels could go
bad, so this commit just ensures that the labels can't move until we're
done.
Notes:
Merged: https://github.com/ruby/ruby/pull/2625
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To perform a regular method call, the VM needs two structs,
`rb_call_info` and `rb_call_cache`. At the moment, we allocate these two
structures in separate buffers. In the worst case, the CPU needs to read
4 cache lines to complete a method call. Putting the two structures
together reduces the maximum number of cache line reads to 2.
Combining the structures also saves 8 bytes per call site as the current
layout uses separate two pointers for the call info and the call cache.
This saves about 2 MiB on Discourse.
This change improves the Optcarrot benchmark at least 3%. For more
details, see attached bugs.ruby-lang.org ticket.
Complications:
- A new instruction attribute `comptime_sp_inc` is introduced to
calculate SP increase at compile time without using call caches. At
compile time, a `TS_CALLDATA` operand points to a call info struct, but
at runtime, the same operand points to a call data struct. Instruction
that explicitly define `sp_inc` also need to define `comptime_sp_inc`.
- MJIT code for copying call cache becomes slightly more complicated.
- This changes the bytecode format, which might break existing tools.
[Misc #16258]
Notes:
Merged: https://github.com/ruby/ruby/pull/2564
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This changeset basically replaces `ruby_xmalloc(x * y)` into
`ruby_xmalloc2(x, y)`. Some convenient functions are also
provided for instance `rb_xmalloc_mul_add(x, y, z)` which allocates
x * y + z byes.
Notes:
Merged: https://github.com/ruby/ruby/pull/2540
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ko1 cannot remember why he introduced the function. And it is not used.
After it is removed, the argument "base_block" of
rb_iseq_compile_with_option is always zero.
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The parsing of `RubyVM::InstructionSequence.compile` does not support an
outer scope currently. So it specified NULL as parent_iseq for the
parser. However, it resulted in the following false-positive warning.
```
RubyVM::InstructionSequence.compile(<<END)
o = Object.new
o #=> <compiled>:2: warning: possibly useless use of a variable in void context
END
```
This change specifies a dummy empty parent_iseq instead of NULL, which
suppresses the false positive.
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The parser needs to determine whether a local varaiable is defined or
not in outer scope. For the sake, "base_block" field has kept the outer
block.
However, the whole block was actually unneeded; the parser used only
base_block->iseq.
So, this change lets parser_params have the iseq directly, instead of
the whole block.
Notes:
Merged: https://github.com/ruby/ruby/pull/2519
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We don't use this array anymore so we can remove it
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This commit scans the ISEQ arena for objects that can be marked and
marks them. This should make the mark array unnecessary.
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We'll scan the secondary arena during GC mark. So, we should only
allocate "markable" instruction linked list nodes out of the secondary
arena.
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Now we can allocate and free a secondary arena.
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Use a [:nokey] entry in this case.
Notes:
Merged: https://github.com/ruby/ruby/pull/2395
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After 5e86b005c0f2ef30df2f9906c7e2f3abefe286a2, I now think ANYARGS is
dangerous and should be extinct. This commit deletes ANYARGS from
struct vm_ifunc, but in doing so we also have to decouple the usage
of this struct in compile.c, which (I think) is an abuse of ANYARGS.
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Without doing this, enabling a TracePoint on a method could lead to use
of moved objects. This was found by running
`env RUBY_ISEQ_DUMP_DEBUG=to_binary make test-all`, which sets
orignal_iseq then runs the compaction tests and the tracepoint tests.
Please excuse the lack of tests. I was not able to figure out how to
reliably trigger a move on a specific iseq imemo to make a good
regression test.
To manually confirm the problem and this fix, you can run:
```
env RUBY_ISEQ_DUMP_DEBUG=to_binary make test-all \
TESTOPTS="test/ruby/test_gc_compact.rb \
test/gdbm/test_gdbm.rb \
test/ruby/test_settracefunc.rb"
```
Or the following script:
```ruby
tp = TracePoint.new(:line) {}
1.times do # put it in a block to not keep these objects alive
objects = 10_000.times.map { Object.new }
objects.hash
end
1.times do
# this allocation pattern can realistically happen in an app
# at load time
beek = 10_000.times.map do
eval(<<-RUBY)
def foo
a + b
1.times {
4 + 234234
}
nil + 234
end
RUBY
Object.new
Object.new
end
beek.hash
end
tp.enable(target: self.:foo) { 234 } # allocate original iseq
GC.verify_compaction_references(toward: :empty)
GC.compact
tp.enable(target: self.:foo) { 234234 } # crash
```
[Bug #16098]
Notes:
Merged: https://github.com/ruby/ruby/pull/2391
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MRI (#2113) [ci skip]
* Make it clear as possible that RubyVM is MRI-specific and only exists on MRI
* See [Bug #15743].
* Use "CRuby VM" instead of "Ruby VM" for clarity.
* Use YARV rather than "CRuby VM" for documenting RubyVM::InstructionSequence
* Avoid introducing a new "CRuby VM" term in documentation
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Renaming this function. "No pin" leaks some implementation details. We
just want users to know that if they mark this object, the reference may
move and they'll need to update the reference accordingly.
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We're already updating the location of default values, so we may as well
unpin them.
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version dependent
Fixes [Bug #6785]
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[Feature #15805]
Closes: https://github.com/ruby/ruby/pull/2140
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* internal.h (UNALIGNED_MEMBER_ACCESS, UNALIGNED_MEMBER_PTR):
moved from eval_intern.h.
* compile.c iseq.c, vm.c: use UNALIGNED_MEMBER_PTR for `entries`
in `struct iseq_catch_table`.
* vm_eval.c, vm_insnhelper.c: use UNALIGNED_MEMBER_PTR for `body`
in `rb_method_definition_t`.
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Coverity Scan says `Execution cannot reach this statement: "poison_object(v);"`,
so do nothing when `ptr` is always 0 without address_sanitizer.
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requested by Ko1.
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The function will return new or existing locations depending on whether
or not the object actually moved, so give it a more appropriate name.
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Closes: https://github.com/ruby/ruby/pull/2119
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This changes the static pointers to use IDs then look up the symbols
with the ID. Symbols can move, so we don't want to keep static
references to them.
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ISeq can move, so we need to tell MJIT where the new location is.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67624 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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🙏
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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