Clemens Hammacher 5648aad553 [wasm] Don't store global handles in the interpreter ... Storing global handles in the interpreter is dangerous, because the global handles are strong roots into the heap. The interpreter itself is referenced from the heap via a Managed. Hence the interpreter keeps the instance alive, while the instance keeps the Managed alive. So the GC will never collect them. This CL refactors this to only store the handle to the instance object while executing in the interpreter, and clearing it when returning. It also removes the cache of import wrappers, as it should not be performance critical, but keeps lots of objects alive. If it turns out to be performance critical, we will have to reintroduce such a cache stored in the WasmDebugInfo object. R=titzer@chromium.org CC=ahaas@chromium.org Bug: chromium:610330 Change-Id: I54b489dadc16685887c0c1a98da6fd0df5ad7cbb Reviewed-on: https://chromium-review.googlesource.com/567058 Reviewed-by: Ben Titzer <titzer@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#46629}		2017-07-13 10:56:34 +00:00
..
flag-utils.h	[cleanup] Templatize the EnableFlagScope	2017-06-12 15:26:12 +00:00
test-signatures.h	[wasm] Rename wasm::LocalType to wasm::ValueType and kAst* to kWasm*	2016-12-21 13:43:00 +00:00
wasm-macro-gen.h	[cleanup] Remove return after UNREACHABLE	2017-05-22 13:10:01 +00:00
wasm-module-runner.cc	[wasm] Don't store global handles in the interpreter	2017-07-13 10:56:34 +00:00
wasm-module-runner.h	[wasm] Use pending exceptions consistently	2017-06-29 10:23:45 +00:00