Commit Graph

7 Commits

Author SHA1 Message Date
Clemens Hammacher
7d8a3028dd [wasm] Fix code specialization for empty memory buffer
From asm.js code we might get an empty ArrayBuffer as heap memory. In
this case, both the old memory start and the new memory start will be
nullptr. The size however has to be patched from default_size to 0.

This CL changes code specialization to be able to either patch memory
references, or patch memory sizes or both.

R=titzer@chromium.org, ahaas@chromium.org
BUG=chromium:698587

Change-Id: I4d9d811d75cb83842f23df317e8e7fc02aeb5146
Reviewed-on: https://chromium-review.googlesource.com/450257
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43613}
2017-03-06 13:39:54 +00:00
ulan
9c25d5dc6e [wasm] Fix more -Wsign-compare warnings.
BUG=v8:5614

Review-Url: https://codereview.chromium.org/2492793005
Cr-Commit-Position: refs/heads/master@{#40914}
2016-11-11 11:56:05 +00:00
bbudge
b466adfe47 V8: Fix OS X build of ARM 64 test.
Fixes 4 compile errors on Mac due to specifiers not matching type casts.

LOG=N
BUG=

Review-Url: https://codereview.chromium.org/1960113002
Cr-Commit-Position: refs/heads/master@{#36115}
2016-05-09 17:30:56 +00:00
gdeepti
117a56b7c2 Add new relocation type WASM_MEMORY_SIZE_REFERENCE, use relocatable pointers to update wasm memory size references in generated code.
- Add new RelocInfo mode WASM_MEMORY_SIZE_REFERENCE in the assembler and add relocation information to immediates in compare instructions.
 - Use relocatable constants for MemSize/BoundsCheck in the wasm compiler

R=titzer@chromium.org, yangguo@chromium.org, bradnelson@chromium.org

Review-Url: https://codereview.chromium.org/1921203002
Cr-Commit-Position: refs/heads/master@{#36044}
2016-05-04 20:20:50 +00:00
gdeepti
e1a7c1e76c Assembler changes for enabling GrowHeap in Wasm
- 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

BUG=

Committed: https://crrev.com/cc815b69c17da368107ed77306a5bb161170c834
Cr-Commit-Position: refs/heads/master@{#34831}

Review URL: https://codereview.chromium.org/1759873002

Cr-Commit-Position: refs/heads/master@{#34836}
2016-03-16 18:15:49 +00:00
machenbach
894bc100c3 Revert of Assembler changes for enabling GrowHeap in Wasm (patchset #13 id:260001 of https://codereview.chromium.org/1759873002/ )
Reason for revert:
Breaks compile:
https://build.chromium.org/p/client.v8/builders/V8%20Mac64/builds/7740

Probably had outdated tryjobs

Original issue's description:
> Assembler changes for enabling GrowHeap in Wasm
>  - 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
>
> BUG=
>
> Committed: https://crrev.com/cc815b69c17da368107ed77306a5bb161170c834
> Cr-Commit-Position: refs/heads/master@{#34831}

TBR=titzer@chromium.org,yangguo@chromium.org,bradnelson@chromium.org,bradnelson@google.com,marija.antic@imgtec.com,gdeepti@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1808823002

Cr-Commit-Position: refs/heads/master@{#34832}
2016-03-16 17:28:44 +00:00
gdeepti
cc815b69c1 Assembler changes for enabling GrowHeap in Wasm
- 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

BUG=

Review URL: https://codereview.chromium.org/1759873002

Cr-Commit-Position: refs/heads/master@{#34831}
2016-03-16 17:11:42 +00:00