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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-09-11 09:48:58 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-09-11 09:48:58 +0000 |
| commit | c2bfb4e93c674347b7eb09a30856e3d75f74cf4d (patch) | |
| tree | b898add4e9f9ab117aebcad189d47e79984c2f16 /missing | |
| parent | ecda2d23d593eea81a4daf97ec0d74945fa96baf (diff) | |
| download | ruby-c2bfb4e93c674347b7eb09a30856e3d75f74cf4d.tar.gz | |
add new instruction attribute called leaf
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
Diffstat (limited to 'missing')
0 files changed, 0 insertions, 0 deletions