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Support for CP String patching #8460

Merged
merged 3 commits into from
Feb 8, 2020
Merged

Support for CP String patching #8460

merged 3 commits into from
Feb 8, 2020

Commits on Feb 6, 2020

  1. Support CP String patching 

    - New J9ClassPatchMap structure to store patching info
- Update defineClassCommon code to accept J9ClassPatchMap
- Patch RAM constantpool before returing class object

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Feb 6, 2020
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  2. Search RAM CP for identical String entries to patch 

    For each patch object, apply to all matching String entries in the constantpool

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Feb 6, 2020
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Commits on Feb 7, 2020

  1. Add assert on CP patch type check 

    - Only allow String CP entries to be patched
- Remove redundant VMAccess call when setting OOM exception

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Feb 7, 2020
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