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    • rmcilroy's avatar
      [Interpreter] Add support for cpu profiler logging. · cb29f9cd
      rmcilroy authored 
      Adds support for cpu profiler logging to the interpreter. Modifies the
the API to be passed AbstractCode objects instead of Code objects, and
adds extra functions to AbstractCode which is required by log.cc and
cpu-profiler.cc.

The main change in sampler.cc is to determine if a stack frame is an
interpreter stack frame, and if so, use the bytecode address as the pc
for that frame. This allows sampling of bytecode functions. This
requires adding support to SafeStackIterator to determine if a frame is
interpreted, which we do by checking the PC against pre-stored addresses
for the start and end of interpreter entry builtins.

Also removes CodeDeleteEvents which are dead code and haven't
been reported for some time.

Still to do is tracking source positions which will be done in a
followup CL.

BUG=v8:4766
LOG=N

Review URL: https://codereview.chromium.org/1728593002

Cr-Commit-Position: refs/heads/master@{#34321}
      cb29f9cd
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    • cdai2's avatar
      X87: Remove the dependency of Zone on Isolate · 3c56b026
      cdai2 authored 
      port c7b09aac (r26252)

original commit message:

    Along the way:
    - Thread isolate parameter explicitly through code that used to
      rely on getting it from the zone.
    - Canonicalize the parameter position of isolate and zone for
      affected code
    - Change Hydrogen New<> instruction templates to automatically
      pass isolate

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/903183003

Cr-Commit-Position: refs/heads/master@{#26501}
      3c56b026
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