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2019-02-01_leaf_helpers.erb: some functions are not leafshyouhei
If a function has rb_warning() that is not a leaf because warning ultimately is a method call of Warning#warn. If a function has rb_name_error() that is not a leaf because NameError is allocated, then initialized. This of course involves calling NameError#initialize. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66976 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-27delete emacs mode lines [ci skip]shyouhei
These settings are now covered by .dir-locals.el. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-26add #line [ci skip]shyouhei
These erb files are in fact erb comments + plain C. Adding #line help us debug in case we have trouble there. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66572 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-11Use friendlier terminology in leaf helpersnobu
[Fix GH-2009] From: Juanito Fatas <juanito.fatas@shopify.com> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65664 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-11add new instruction attribute called leafshyouhei
An instruction is leaf if it has no rb_funcall inside. In order to check this property, we introduce stack canary which is a random number collected at runtime. Stack top is always filled with this number and checked for stack smashing operations, when VM_CHECK_MODE. [GH-1947] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64677 b2dd03c8-39d4-4d8f-98ff-823fe69b080e