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    • Andreas Haas's avatar
      [wasm][ia32] Add an additional stack check for functions with big frames · 2064c1f9
      Andreas Haas authored 
      This is the ia32 implementation of the CL
https://codereview.chromium.org/2763593002

Original message:

[wasm][arm] Add an additional stack check for functions with big frames.

Stack overflow checks are typically implemented as part of the TurboFan
graph of a function. This means that the stack check code is executed
after frame construction. When a frame is too big, though, there may not
be enough space on the stack anymore to throw the stack overflow
exception after frame construction. With this CL we do an additional
stack check before frame construction for functions with big frames.

As discussed offline with mstarzinger, I do this change currently only
for WebAssembly.

This CL contains only the changes for arm. I will do the other platforms
in separate CLs.

Bug:v8:6318

R=neis@chromium.org, titzer@chromium.org

Change-Id: Ibeedc5c4c4571cffd3a9c58016ddc44b64e2bf02
Reviewed-on: https://chromium-review.googlesource.com/568305
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: 's avatarGeorg Neis <neis@chromium.org>
Reviewed-by: 's avatarBen Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46711}
      2064c1f9
  57. 13 Jul, 2017 1 commit
    • Andreas Haas's avatar
      [wasm][x64] Add an additional stack check for functions with big frames · a03f4451
      Andreas Haas authored 
      This is the x64 implementation of the CL
https://codereview.chromium.org/2763593002

Original message:

[wasm][arm] Add an additional stack check for functions with big frames.

Stack overflow checks are typically implemented as part of the TurboFan
graph of a function. This means that the stack check code is executed
after frame construction. When a frame is too big, though, there may not
be enough space on the stack anymore to throw the stack overflow
exception after frame construction. With this CL we do an additional
stack check before frame construction for functions with big frames.

As discussed offline with mstarzinger, I do this change currently only
for WebAssembly.

This CL contains only the changes for arm. I will do the other platforms
in separate CLs.

R=titzer@chromium.org

Bug: v8:6318
Change-Id: Id4a8ea3ee76c37132e86a7c4e5d05d3bd86df44a
Reviewed-on: https://chromium-review.googlesource.com/565562
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: 's avatarBen Titzer <titzer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46640}
      a03f4451
  59. 30 Jun, 2017 3 commits
  61. 12 Jun, 2017 1 commit
  63. 06 Jun, 2017 1 commit