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ネイティブスタックRuby スタックほしいスタック <要出典>
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Native: (no symbol information)block (3 levels) in <main>Native: (no symbol information)
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Native: vm_call_iseq_setup_normal_0start_3params_3locals
Kernel#fooNative: vm_call_iseq_setup_normal_0start_3params_3locals
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Native: vm_exec_coreblock (2 levels) in <main>Native: vm_exec_core
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Native: rb_vm_execKernel#fooRuby: block (3 levels) in <main>
← rb_yield() の2つ上に入れて見てるだけ
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Native: rb_yieldblock in <main>Native: rb_vm_exec
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Native: rb_fooInteger#timesNative: rb_yield
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Native: vm_call_cfunc_with_frame<main>Ruby: Kernel#foo
← rb_foo() が foo() であることを知らないと推定できない
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Native: vm_sendish.constprop.0Native: rb_foo↑
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Native: vm_exec_coreNative: vm_call_cfunc_with_frame
↑ vm_call_cfunc_with_cframe() の2つ上に入れる的なヒューリスティックにはできる
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Native: rb_vm_execNative: vm_sendish.constprop.0
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Native: rb_yieldNative: vm_exec_core
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Ruby: block (2 levels) in <main>
← rb_yield() の2つ上に入れて見てるだけ
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Native: rb_fooNative: rb_vm_exec
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Native: vm_call_cfunc_with_frameNative: rb_yield
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Native: vm_sendish.constprop.0Ruby: Kernel#foo
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Native: vm_exec_coreNative: rb_foo
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Native: rb_vm_execNative: vm_call_cfunc_with_frame
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Native: rb_ec_exec_nodeNative: vm_sendish.constprop.0
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Native: ruby_run_nodeNative: vm_exec_core
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Native: mainRuby: block in <main>
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Native: (no symbol information)Ruby: Integer#times← 本当にここ？
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Native: __libc_start_mainRuby: main
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Native: _startNative: rb_vm_exec
← vm_exec_core のほうが良い
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Native: (no symbol information)Native: rb_ec_exec_node
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Native: ruby_run_node
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ISeqを積む命令は4つだけNative: main
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sendNative: (no symbol information)
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opt_send_without_blockNative: __libc_start_main
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invokesuperNative: _start
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invokeblockNative: (no symbol information)
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Code↓ foo()
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1000.times do
some_cfunc do
foo do
do_something
end
end
end
VALUE
rb_foo(int argc, VALUE argv[], VALUE self)
{
rb_yield(self);
return Qnil;
}
RUBY_FUNC_EXPORTED void
Init_mycext(void)
{
rb_define_method(rb_mKernel, "foo", rb_foo, -1);
}
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