Mercurial > hg > truffle
comparison src/share/vm/runtime/registerMap.hpp @ 14909:4ca6dc0799b6
Backout jdk9 merge
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Tue, 01 Apr 2014 13:57:07 +0200 |
| parents | 63a4eb8bcd23 |
| children |
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| 14908:8db6e76cb658 | 14909:4ca6dc0799b6 |
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| 68 // doing follow_oops and oops_do. | 68 // doing follow_oops and oops_do. |
| 69 // | 69 // |
| 70 // 3) The RegisterMap keeps track of the values of callee-saved registers | 70 // 3) The RegisterMap keeps track of the values of callee-saved registers |
| 71 // from frame to frame (hence, the name). For some stack traversal the | 71 // from frame to frame (hence, the name). For some stack traversal the |
| 72 // values of the callee-saved registers does not matter, e.g., if you | 72 // values of the callee-saved registers does not matter, e.g., if you |
| 73 // only need the static properties such as frame type, pc, and such. | 73 // only need the static properies such as frame type, pc, and such. |
| 74 // Updating of the RegisterMap can be turned off by instantiating the | 74 // Updating of the RegisterMap can be turned off by instantiating the |
| 75 // register map as: RegisterMap map(thread, false); | 75 // register map as: RegisterMap map(thread, false); |
| 76 | 76 |
| 77 class RegisterMap : public StackObj { | 77 class RegisterMap : public StackObj { |
| 78 public: | 78 public: |