PPC: Assembler changes for enabling GrowHeap in Wasm

PPC: Assembler changes for enabling GrowHeap in Wasm

Port e1a7c1e76c150713339bc5ba4ce84d7eb6a5420a

Original commit message:
    - New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects that need to be relocated on a heap change
    - RelocInfo mode recorded for immediates that use the memory buffer as base
    - Tests to verify address patching works

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/58f2be4307a58159b5dc61f0d01e3a24be725846
Cr-Commit-Position: refs/heads/master@{#35204}

[MTBrandyberry, 2016-04-01 02:51:51]

PTAL

[MTBrandyberry, 2016-04-01 02:51:56]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-04-01 02:52:05]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1845283004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1845283004/1

[JoranSiu, 2016-04-01 03:05:00]

On 2016/04/01 02:52:05, commit-bot: I haz the power wrote:
> Dry run: CQ is trying da patch. Follow status at
>  https://chromium-cq-status.appspot.com/patch-status/1845283004/1
> View timeline at
>  https://chromium-cq-status.appspot.com/patch-timeline/1845283004/1

lgtm

[commit-bot: I haz the power, 2016-04-01 06:08:53]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-04-01 06:08:54]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2016-04-01 13:11:44]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2016-04-01 13:11:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1845283004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1845283004/1

[commit-bot: I haz the power, 2016-04-01 13:15:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-01 13:16:51]

Description was changed from

==========
PPC: Assembler changes for enabling GrowHeap in Wasm

Port e1a7c1e76c150713339bc5ba4ce84d7eb6a5420a

Original commit message:
    - New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects
that need to be relocated on a heap change
    - RelocInfo mode recorded for immediates that use the memory buffer as base
    - Tests to verify address patching works

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
==========

to

==========
PPC: Assembler changes for enabling GrowHeap in Wasm

Port e1a7c1e76c150713339bc5ba4ce84d7eb6a5420a

Original commit message:
    - New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects
that need to be relocated on a heap change
    - RelocInfo mode recorded for immediates that use the memory buffer as base
    - Tests to verify address patching works

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=

Committed: https://crrev.com/58f2be4307a58159b5dc61f0d01e3a24be725846
Cr-Commit-Position: refs/heads/master@{#35204}
==========

[commit-bot: I haz the power, 2016-04-01 13:16:52]

Patchset 1 (id:??) landed as
https://crrev.com/58f2be4307a58159b5dc61f0d01e3a24be725846
Cr-Commit-Position: refs/heads/master@{#35204}