Closed Bug 1628835 Opened 5 years ago Closed 5 years ago

Irregexp: Interpret regexps

Tracking

()

Status:

RESOLVED FIXED

Milestone:

mozilla77

Tracking Flags:

Tracking

Status

firefox77

---

fixed

People

(Reporter: iain, Assigned: iain)

References

Details

Attachments

(4 files)

Bug 1628835: Change parenCount to pairCount r=tcampbell 5 years ago Iain Ireland [:iain] 47 bytes, text/x-phabricator-request		Details \| Review
Bug 1628835: Use RegExpShared in JSRegExp r=tcampbell 5 years ago Iain Ireland [:iain] 47 bytes, text/x-phabricator-request		Details \| Review
Bug 1628835: Add interpreter support r=tcampbell 5 years ago Iain Ireland [:iain] 47 bytes, text/x-phabricator-request		Details \| Review
Bug 1628835: Unify result enum r=tcampbell 5 years ago Iain Ireland [:iain] 47 bytes, text/x-phabricator-request		Details \| Review

Iain Ireland [:iain]

Assignee

Description

•

5 years ago

Irregexp can compile regexps to bytecode for interpretation or to native code for execution. This bug is for hooking up the interpreter.

Iain Ireland [:iain]

Assignee

Comment 1

•

5 years ago

Attached file Bug 1628835: Change parenCount to pairCount r=tcampbell — Details

A regexp with N sets of capturing parens will have N+1 capture groups, with the extra capture containing the entire matching string. Our old implementation stored parenCount in the RegExpShared and then added 1 to it whenever it was used. A much simpler answer is to just add 1 when initializing the regexp.

Iain Ireland [:iain]

Assignee

Comment 2

•

5 years ago

Attached file Bug 1628835: Use RegExpShared in JSRegExp r=tcampbell — Details

In preparation for actually compiling regexps in the next patch, hook up the V8 and irregexp representations of a compiled regexp.

Depends on D70693

Iain Ireland [:iain]

Assignee

Comment 3

•

5 years ago

Attached file Bug 1628835: Add interpreter support r=tcampbell — Details

The irregexp compiler takes the AST produced by the parser, compiles it down to a more efficient internal representation, then uses a 'macroassembler' to generate code. The generated code can either be bytecode (which is then fed into the interpreter) or jitcode (which can be executed directly).

This patch gets the infrastructure set up and handles the former case.

CompilePattern is based heavily on V8's RegExpImpl::compile (https://github.com/v8/v8/blob/affc364620bb4bbd77968bcc4d0a1f54d4ada5c8/src/regexp/regexp.cc#L745-L933). I am upstreaming a patch to move the code in WrapBody into regexp-compiler.cc where it fits better.

V8 is about to land a patch to tweak the API for Interpret so that it allocates memory for its registers internally instead of requiring it to be passed in. When we import this change, we'll be able to pass matches->pairsRaw() directly into MatchForCallFromRuntime, and the interpreter will fill it in for us.

In the old engine, we could handle interrupts in the middle of the interpreter. If we hit an urgent interrupt in compiled code, we would generate bytecode and fall back to the interpreter (see https://searchfox.org/mozilla-central/rev/9120151ddb35f2d4c37bfe613a54a4f10a9a3dc5/js/src/vm/RegExpObject.cpp#1165-1175). (This is what all the ForceByteCode machinery in RegExpObject.cpp is about. It was added in bug 1077514.) That won't work in the new version. V8 does allow interrupts during regexp execution, but only by jumping through some scary hoops to "manually relocate unhandlified references" afterwards. Instead, we just retry the regexp. I have no idea what a reasonable number of retries is before giving up; I've arbitrarily picked 4 for now.

Depends on D70694

Iain Ireland [:iain]

Assignee

Comment 4

•

5 years ago

Attached file Bug 1628835: Unify result enum r=tcampbell — Details

Internally, irregexp uses -1 for errors, 0 for failure, and 1 for success. We have to use the same values in RegExpRunStatus.

Ideally we would replace RegExpRunStatus with an enum defined in RegExpTypes.h, but that will have to wait until we get rid of the old import.

Pulsebot

Comment 5

•

5 years ago

Pushed by iireland@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/1bc49605ad10 Change parenCount to pairCount r=tcampbell https://hg.mozilla.org/integration/autoland/rev/7392b332870d Use RegExpShared in JSRegExp r=tcampbell https://hg.mozilla.org/integration/autoland/rev/d462c95e0945 Add interpreter support r=tcampbell https://hg.mozilla.org/integration/autoland/rev/404ab88bafa3 Unify result enum r=tcampbell

Natalia Csoregi [:nataliaCs]

Comment 6

•

5 years ago

Backed out for crashes at [@ js::RegExpRunStatus js::irregexp::InterpretCode<unsigned char>(JSContext*, unsigned char const*, unsigned char const*, unsigned long, unsigned long, js::MatchPairs*, unsigned long*)]

backout: https://hg.mozilla.org/integration/autoland/rev/0be816646b65bef89a1fa981be7d18d51a24a396

push: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedJob=297801853&revision=e3c3f27d586adfda546dd082b7411b0671e26a96&group_state=expanded

failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=297801853&repo=autoland&lineNumber=1541

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INFO - REFTEST INFO | Copy/paste: /builds/worker/fetches/minidump_stackwalk/minidump_stackwalk /tmp/tmpCbhnhN.mozrunner/minidumps/4a314faf-a4cc-7473-4312-3d409dd8b16b.dmp /builds/worker/workspace/build/symbols
INFO - REFTEST INFO | Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/4a314faf-a4cc-7473-4312-3d409dd8b16b.dmp
INFO - REFTEST INFO | Saved app info as /builds/worker/workspace/build/blobber_upload_dir/4a314faf-a4cc-7473-4312-3d409dd8b16b.extra
INFO - REFTEST PROCESS-CRASH | pid: None | application crashed [@ js::RegExpRunStatus js::irregexp::InterpretCode<unsigned char>(JSContext*, unsigned char const*, unsigned char const*, unsigned long, unsigned long, js::MatchPairs*, unsigned long*)]
INFO - Crash dump filename: /tmp/tmpCbhnhN.mozrunner/minidumps/4a314faf-a4cc-7473-4312-3d409dd8b16b.dmp
INFO - Operating system: Linux
INFO - 0.0.0 Linux 4.4.0-1014-aws #14taskcluster1-Ubuntu SMP Tue Apr 3 10:27:00 UTC 2018 x86_64
INFO - CPU: amd64
INFO - family 6 model 85 stepping 4
INFO - 2 CPUs
INFO -
INFO - GPU: UNKNOWN
INFO -
INFO - Crash reason: SIGSEGV /SEGV_MAPERR
INFO - Crash address: 0x4
INFO - Process uptime: not available
INFO -
INFO - Thread 13 (crashed)
INFO - 0 libxul.so!js::RegExpRunStatus js::irregexp::InterpretCode<unsigned char>(JSContext*, unsigned char const*, unsigned char const*, unsigned long, unsigned long, js::MatchPairs*, unsigned long*) [RegExpInterpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 134 + 0x0]
INFO - rax = 0x00007f60eb0a5200 rdx = 0x00007f60eb0a5400
INFO - rcx = 0xa9282d2fa283b100 rbx = 0x0000000000000000
INFO - rsi = 0x00000000000000e4 rdi = 0x00007f60eb0a5200
INFO - rbp = 0x00007f60f73fba10 rsp = 0x00007f60f73fb910
INFO - r8 = 0x0000000000000000 r9 = 0x00007f60f73fbc70
INFO - r10 = 0x0000000000000570 r11 = 0x0000000000000297
INFO - r12 = 0x000000000000000a r13 = 0x0000000000000000
INFO - r14 = 0x00007f60f75ce000 r15 = 0x00007f60f73fb960
INFO - rip = 0x00007f6106545800
INFO - Found by: given as instruction pointer in context
INFO - 1 libxul.so!js::RegExpShared::execute(JSContext*, JS::MutableHandle<js::RegExpShared*>, JS::Handle<JSLinearString*>, unsigned long, js::VectorMatchPairs*) [RegExpObject.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1302 + 0x28]
INFO - rbx = 0x00007f60f73fbad0 rbp = 0x00007f60f73fbb80
INFO - rsp = 0x00007f60f73fba20 r12 = 0x00000000ffffffff
INFO - r13 = 0x0000000000000000 r14 = 0x00007f60f73fba50
INFO - r15 = 0x00007f60f73fbc70 rip = 0x00007f61059a9f96
INFO - Found by: call frame info
INFO - 2 libxul.so!ExecuteRegExp(JSContext*, JS::Handle<JSObject*>, JS::Handle<JSString*>, int, js::VectorMatchPairs*) [RegExp.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1015 + 0x12]
INFO - rbx = 0x00007f60f75ce000 rbp = 0x00007f60f73fbc10
INFO - rsp = 0x00007f60f73fbb90 r12 = 0x00007f60f61384c0
INFO - r13 = 0x00007f60f73fbc60 r14 = 0x0000000000000000
INFO - r15 = 0x00007f60f73fbc70 rip = 0x00007f610651f366
INFO - Found by: call frame info
INFO - 3 libxul.so!js::RegExpMatcher(JSContext*, unsigned int, JS::Value*) [RegExp.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1070 + 0x88]
INFO - rbx = 0x00007f60f7412640 rbp = 0x00007f60f73fbd30
INFO - rsp = 0x00007f60f73fbc20 r12 = 0x00007f60f7412630
INFO - r13 = 0x00007f60f73fbc30 r14 = 0x00007f60f75ce000
INFO - r15 = 0x00007f60f73fbc40 rip = 0x00007f610651da3e
INFO - Found by: call frame info
INFO - 4 libxul.so!CallJSNative(JSContext*, bool ()(JSContext, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 490 + 0x12]
INFO - rbx = 0x00007f60f7412648 rbp = 0x00007f60f73fbdc0
INFO - rsp = 0x00007f60f73fbd40 r12 = 0x00007f60f7551800
INFO - r13 = 0x00007f60f73fbf80 r14 = 0x00007f60f75ce000
INFO - r15 = 0x00007f610651d720 rip = 0x00007f61055ea5b2
INFO - Found by: call frame info
INFO - 5 libxul.so!js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 582 + 0x12]
INFO - rbx = 0x00007f60f73fbdf0 rbp = 0x00007f60f73fbe70
INFO - rsp = 0x00007f60f73fbdd0 r12 = 0x00007f60f73fbf80
INFO - r13 = 0xfffdffffffffffff r14 = 0x0000000000000000
INFO - r15 = 0x00007f610651d720 rip = 0x00007f61055e9e89
INFO - Found by: call frame info
INFO - 6 libxul.so!Interpret(JSContext*, js::RunState&) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 649 + 0x7]
INFO - rbx = 0x00002daff8b82b00 rbp = 0x00007f60f73fc370
INFO - rsp = 0x00007f60f73fbe80 r12 = 0x00000000000000f1
INFO - r13 = 0x0000000000000001 r14 = 0x0000000000000000
INFO - r15 = 0x00007f610a5976f0 rip = 0x00007f61055deb19
INFO - Found by: call frame info
INFO - 7 libxul.so!js::RunScript(JSContext*, js::RunState&) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 462 + 0xb]
INFO - rbx = 0x00007f60f20fab01 rbp = 0x00007f60f73fc3c0
INFO - rsp = 0x00007f60f73fc380 r12 = 0x00007f60f7ae3e60
INFO - r13 = 0x00007f60f75ce000 r14 = 0x00007f60f73fc410
INFO - r15 = 0x00002daff8b68650 rip = 0x00007f61055d531c
INFO - Found by: call frame info
INFO - 8 libxul.so!js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 617 + 0xd]
INFO - rbx = 0x00007f60f73fc3f0 rbp = 0x00007f60f73fc470
INFO - rsp = 0x00007f60f73fc3d0 r12 = 0x00007f60f73fc480
INFO - r13 = 0xfffdffffffffffff r14 = 0x0000000000000001
INFO - r15 = 0x00007f60f73fc3f0 rip = 0x00007f61055e9d9f
INFO - Found by: call frame info
INFO - 9 libxul.so!js::CallGetter(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::MutableHandle<JS::Value>) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 786 + 0x2b]
INFO - rbx = 0x00007f60f75ce000 rbp = 0x00007f60f73fc500
INFO - rsp = 0x00007f60f73fc480 r12 = 0x00007f60f73fc540
INFO - r13 = 0x00007f60f73fc480 r14 = 0x00007f60f74122f8
INFO - r15 = 0x00007f60f73fc710 rip = 0x00007f61055ec5d6
INFO - Found by: call frame info
INFO - 10 libxul.so!bool GetExistingProperty<(js::AllowGC)1>(JSContext*, js::MaybeRooted<JS::Value, (js::AllowGC)1>::HandleType, js::MaybeRooted<js::NativeObject*, (js::AllowGC)1>::HandleType, js::MaybeRooted<js::Shape*, (js::AllowGC)1>::HandleType, js::MaybeRooted<JS::Value, (js::AllowGC)1>::MutableHandleType) [NativeObject.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 2303 + 0x8d]
INFO - rbx = 0x00007f60f73fc530 rbp = 0x00007f60f73fc5a0
INFO - rsp = 0x00007f60f73fc510 r12 = 0xfffe2daff8b671a0
INFO - r13 = 0x00007f60f74122f8 r14 = 0x00007f60f73fc540
INFO - r15 = 0x00007f60f73fc5e0 rip = 0x00007f61059534fc
INFO - Found by: call frame info
INFO - 11 libxul.so!bool NativeGetPropertyInline<(js::AllowGC)1>(JSContext*, js::MaybeRooted<js::NativeObject*, (js::AllowGC)1>::HandleType, js::MaybeRooted<JS::Value, (js::AllowGC)1>::HandleType, js::MaybeRooted<JS::PropertyKey, (js::AllowGC)1>::HandleType, IsNameLookup, js::MaybeRooted<JS::Value, (js::AllowGC)1>::MutableHandleType) [NativeObject.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 2443 + 0x19]
INFO - rbx = 0x00007f60f73fc620 rbp = 0x00007f60f73fc660
INFO - rsp = 0x00007f60f73fc5b0 r12 = 0x00007f60f73fc680
INFO - r13 = 0x00007f60f73fc610 r14 = 0x00007f60f73fc5d0
INFO - r15 = 0x00007f60f75ce000 rip = 0x00007f6105954283
INFO - Found by: call frame info
INFO - 12 libxul.so!js::GetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::Value>, js::PropertyName*, JS::MutableHandle<JS::Value>) [ObjectOperations-inl.h:e3c3f27d586adfda546dd082b7411b0671e26a96 : 124 + 0x15]
INFO - rbx = 0x00007f60f73fc670 rbp = 0x00007f60f73fc6c0
INFO - rsp = 0x00007f60f73fc670 r12 = 0x00007f60f73fc6f0
INFO - r13 = 0x00007f60f75ce000 r14 = 0x00007f60f74122f8
INFO - r15 = 0x00007f60f73fc710 rip = 0x00007f61055f17d3
INFO - Found by: call frame info
INFO - 13 libxul.so!js::GetProperty(JSContext*, JS::Handle<JS::Value>, JS::Handle<js::PropertyName*>, JS::MutableHandle<JS::Value>) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 4709 + 0x12]
INFO - rbx = 0x00007f60f73fc6e0 rbp = 0x00007f60f73fc750
INFO - rsp = 0x00007f60f73fc6d0 r12 = 0x00007f60f73fcb50
INFO - r13 = 0x00007f60f74122f8 r14 = 0x00007f60f75ce000
INFO - r15 = 0x00007f60f73fcbd0 rip = 0x00007f61055f0be8
INFO - Found by: call frame info
INFO - 14 libxul.so!Interpret(JSContext*, js::RunState&) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 3000 + 0x404]
INFO - rbx = 0x00007f60f73fcb50 rbp = 0x00007f60f73fcc50
INFO - rsp = 0x00007f60f73fc760 r12 = 0x00007f60f74122f8
INFO - r13 = 0x0000000000000001 r14 = 0x00007f60f73fcb40
INFO - r15 = 0x00007f60f75ce000 rip = 0x00007f61055dbfc9
INFO - Found by: call frame info
INFO - 15 libxul.so!js::RunScript(JSContext*, js::RunState&) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 462 + 0xb]
INFO - rbx = 0x00007f60f6f11531 rbp = 0x00007f60f73fcca0
INFO - rsp = 0x00007f60f73fcc60 r12 = 0x00007f60f7ae3e60
INFO - r13 = 0x00007f60f75ce000 r14 = 0x00007f60f73fccf0
INFO - r15 = 0x00002daff8b641a0 rip = 0x00007f61055d531c
INFO - Found by: call frame info
INFO - 16 libxul.so!js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 617 + 0xd]
INFO - rbx = 0x00007f60f73fccd0 rbp = 0x00007f60f73fcd50
INFO - rsp = 0x00007f60f73fccb0 r12 = 0x00007f60f73fcd90
INFO - r13 = 0xfffdffffffffffff r14 = 0x0000000000000000
INFO - r15 = 0x00007f60f73fccd0 rip = 0x00007f61055e9d9f
INFO - Found by: call frame info
INFO - 17 libxul.so!<name omitted> [Interpreter.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 662 + 0xb]
INFO - rbx = 0x00007f60f73fcd90 rbp = 0x00007f60f73fcd70
INFO - rsp = 0x00007f60f73fcd60 r12 = 0x00007f60f73fcda0
INFO - r13 = 0x00007f60f73fcf20 r14 = 0x00007f60f73fcf60
INFO - r15 = 0x00007f60f73fcf00 rip = 0x00007f61055eb840
INFO - Found by: call frame info
INFO - 18 libxul.so!JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) [jsapi.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 2798 + 0x23]
INFO - rbx = 0x00007f60f75ce000 rbp = 0x00007f60f73fcec0
INFO - rsp = 0x00007f60f73fcd80 r12 = 0x00007f60f73fcda0
INFO - r13 = 0x00007f60f73fcf20 r14 = 0x00007f60f73fcf60
INFO - r15 = 0x00007f60f73fcf00 rip = 0x00007f61056e1c16
INFO - Found by: call frame info
INFO - 19 libxul.so!mozilla::dom::EventListener::HandleEvent(mozilla::dom::BindingCallContext&, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&) [EventListenerBinding.cpp: : 54 + 0xe]
INFO - rbx = 0x00007f60f73fcf40 rbp = 0x00007f60f73fd020
INFO - rsp = 0x00007f60f73fced0 r12 = 0x00007f60f73fcef0
INFO - r13 = 0x00007f60f73fcf20 r14 = 0x00007f60f73fcf60
INFO - r15 = 0x00007f60f73fd238 rip = 0x00007f61033c96df
INFO - Found by: call frame info
INFO - 20 libxul.so!void mozilla::dom::EventListener::HandleEvent<mozilla::dom::EventTarget*>(mozilla::dom::EventTarget* const&, mozilla::dom::Event&, mozilla::ErrorResult&, char const*, mozilla::dom::CallbackObject::ExceptionHandling, JS::Realm*) [EventListenerBinding.h: : 66 + 0x21]
INFO - rbx = 0x00007f60f73fd2b0 rbp = 0x00007f60f73fd290
INFO - rsp = 0x00007f60f73fd030 r12 = 0x00007f6108797ab8
INFO - r13 = 0x00007f60f73fd060 r14 = 0x00007f60f73fd070
INFO - r15 = 0x00007f60f712a5c0 rip = 0x00007f6103855d6e
INFO - Found by: call frame info
INFO - 21 libxul.so!mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) [EventListenerManager.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1073 + 0x2c]
INFO - rbx = 0x00007f60f712a5c0 rbp = 0x00007f60f73fd340
INFO - rsp = 0x00007f60f73fd2a0 r12 = 0x00007f6113f1db30
INFO - r13 = 0x00007f60f68e7520 r14 = 0x00007f60f73fd2b0
INFO - r15 = 0x00007f60f71a7150 rip = 0x00007f6103855b60
INFO - Found by: call frame info
INFO - 22 libxul.so!mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) [EventListenerManager.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1271 + 0x15]
INFO - rbx = 0x00007f60f73fd3b8 rbp = 0x00007f60f73fd520
INFO - rsp = 0x00007f60f73fd350 r12 = 0x00007f60f71a7150
INFO - r13 = 0x0000000000000000 r14 = 0x0000000000000001
INFO - r15 = 0x00007f60f71a7120 rip = 0x00007f61038564f0
INFO - Found by: call frame info
INFO - 23 libxul.so!mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) [EventDispatcher.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 356 + 0xb]
INFO - rbx = 0x00007f60f60f4768 rbp = 0x00007f60f73fd560
INFO - rsp = 0x00007f60f73fd530 r12 = 0x00007f60f73fd730
INFO - r13 = 0x0000000000000000 r14 = 0x00007f60f73fd6e0
INFO - r15 = 0x00007f60f60f47b0 rip = 0x00007f610384f434
INFO - Found by: call frame info
INFO - 24 libxul.so!mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) [EventDispatcher.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 558 + 0x19]
INFO - rbx = 0x0000000000000000 rbp = 0x00007f60f73fd670
INFO - rsp = 0x00007f60f73fd570 r12 = 0x00007f60f60f4768
INFO - r13 = 0x0000000000000000 r14 = 0x00007f60f60f4768
INFO - r15 = 0x00007f60f73fd6e0 rip = 0x00007f610384ebac
INFO - Found by: call frame info
INFO - 25 libxul.so!mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>) [EventDispatcher.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1055 + 0x5]
INFO - rbx = 0x00007f60eaefcf70 rbp = 0x00007f60f73fd990
INFO - rsp = 0x00007f60f73fd680 r12 = 0x00007f60eaefcfc8
INFO - r13 = 0x0000000000000000 r14 = 0x0000000000000000
INFO - r15 = 0x0000000000000000 rip = 0x00007f610385089a
INFO - Found by: call frame info
INFO - 26 libxul.so!mozilla::EventDispatcher::DispatchDOMEvent(nsISupports, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) [EventDispatcher.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 0 + 0x8]
INFO - rbx = 0x00007f60eaefcf70 rbp = 0x00007f60f73fd9e0
INFO - rsp = 0x00007f60f73fd9a0 r12 = 0x00007f6113f1db30
INFO - r13 = 0x00007f60f68e7520 r14 = 0x00007f60f73fda30
INFO - r15 = 0x0000000000000000 rip = 0x00007f6103852376
INFO - Found by: call frame info
INFO - 27 libxul.so!mozilla::DOMEventTargetHelper::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&) [DOMEventTargetHelper.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 169 + 0xc]
INFO - rbx = 0x00007f60f68e7520 rbp = 0x00007f60f73fda20
INFO - rsp = 0x00007f60f73fd9f0 r12 = 0x0000000000000001
INFO - r13 = 0x00007f60f73fdb20 r14 = 0x00007f60f73fda30
INFO - r15 = 0x00007f60f73fda30 rip = 0x00007f610383b0b2
INFO - Found by: call frame info
INFO - 28 libxul.so!mozilla::dom::EventTarget::DispatchEvent(mozilla::dom::Event&) [EventTarget.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 178 + 0x33]
INFO - rbx = 0x00007f6113f1db30 rbp = 0x00007f60f73fda70
INFO - rsp = 0x00007f60f73fda30 r12 = 0x00007f610a731590
INFO - r13 = 0x00007f60f73fdb20 r14 = 0x00007f60f68e7520
INFO - r15 = 0x00007f60f73fda30 rip = 0x00007f610385ae97
INFO - Found by: call frame info
INFO - 29 libxul.so!mozilla::dom::MessageEventRunnable::DispatchDOMEvent(JSContext*, mozilla::dom::WorkerPrivate*, mozilla::DOMEventTargetHelper*, bool) [MessageEventRunnable.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 106 + 0x13]
INFO - rbx = 0x00007f60f73fda98 rbp = 0x00007f60f73fdb80
INFO - rsp = 0x00007f60f73fda80 r12 = 0x00007f610a731590
INFO - r13 = 0x00007f60f73fdb20 r14 = 0x00007f6113f1db30
INFO - r15 = 0x00007f60f73fdb10 rip = 0x00007f6104074b8b
INFO - Found by: call frame info
INFO - 30 libxul.so!mozilla::dom::WorkerRunnable::Run() [WorkerRunnable.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 370 + 0x16]
INFO - rbx = 0x00007f60f73fdbe0 rbp = 0x00007f60f73fdd40
INFO - rsp = 0x00007f60f73fdb90 r12 = 0x00007f60ef234d40
INFO - r13 = 0xaaaaaaaaaaaaaaaa r14 = 0x00007f60f73fdbe0
INFO - r15 = 0x0000000000000000 rip = 0x00007f61040a9f6d
INFO - Found by: call frame info
INFO - 31 libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1200 + 0x11]
INFO - rbx = 0x00007f60f73fdd80 rbp = 0x00007f60f73fe2a0
INFO - rsp = 0x00007f60f73fdd50 r12 = 0x00007f6113f6cb88
INFO - r13 = 0x00000e06670c9794 r14 = 0x00007f6113f6cac0
INFO - r15 = 0x00007f60f73fde20 rip = 0x00007f610163fa90
INFO - Found by: call frame info
INFO - 32 libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 481 + 0xc]
INFO - rbx = 0x0000000000000000 rbp = 0x00007f60f73fe2d0
INFO - rsp = 0x00007f60f73fe2b0 r12 = 0x00007f60fe33c538
INFO - r13 = 0x00007f60fe33c000 r14 = 0x00007f60f73fe2b7
INFO - r15 = 0x0000000000000000 rip = 0x00007f610164374d
INFO - Found by: call frame info
INFO - 33 libxul.so!mozilla::dom::WorkerPrivate::DoRunLoop(JSContext*) [WorkerPrivate.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 2933 + 0xd]
INFO - rbx = 0x00007f60fe33c468 rbp = 0x00007f60f73fe3e0
INFO - rsp = 0x00007f60f73fe2e0 r12 = 0x00007f60fe33c538
INFO - r13 = 0x00007f60fe33c000 r14 = 0x00007f60f73fe300
INFO - r15 = 0x0000000000000000 rip = 0x00007f610409ea3d
INFO - Found by: call frame info
INFO - 34 libxul.so!mozilla::dom::workerinternals::(anonymous namespace)::WorkerThreadPrimaryRunnable::Run() [RuntimeService.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 2298 + 0xc]
INFO - rbx = 0x0000000000000000 rbp = 0x00007f60f73fe5e0
INFO - rsp = 0x00007f60f73fe3f0 r12 = 0x00007f61088f6d8b
INFO - r13 = 0x00007f60f7aeb5c0 r14 = 0x00007f60f73fe5a4
INFO - r15 = 0x00007f60f75ce000 rip = 0x00007f6104086842
INFO - Found by: call frame info
INFO - 35 libxul.so!nsThread::ProcessNextEvent(bool, bool*) [nsThread.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 1200 + 0x11]
INFO - rbx = 0x00007f60f73fe620 rbp = 0x00007f60f73feb40
INFO - rsp = 0x00007f60f73fe5f0 r12 = 0x00007f6113f6cb88
INFO - r13 = 0x00000e048391731e r14 = 0x00007f6113f6cac0
INFO - r15 = 0x00007f60f73fe6c0 rip = 0x00007f610163fa90
INFO - Found by: call frame info
INFO - 36 libxul.so!NS_ProcessNextEvent(nsIThread*, bool) [nsThreadUtils.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 481 + 0xc]
INFO - rbx = 0x0000000000000000 rbp = 0x00007f60f73feb70
INFO - rsp = 0x00007f60f73feb50 r12 = 0x00007f60f73feb88
INFO - r13 = 0x00007f60f7aeb560 r14 = 0x00007f60f73feb57
INFO - r15 = 0x00007f6113f6cac0 rip = 0x00007f610164374d
INFO - Found by: call frame info
INFO - 37 libxul.so!mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) [MessagePump.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 302 + 0xa]
INFO - rbx = 0x00007f60f73fec68 rbp = 0x00007f60f73febc0
INFO - rsp = 0x00007f60f73feb80 r12 = 0x00007f60f73feb88
INFO - r13 = 0x00007f60f7aeb560 r14 = 0x00007f60f7aeb540
INFO - r15 = 0x00007f6113f6cac0 rip = 0x00007f6101c2cb1d
INFO - Found by: call frame info
INFO - 38 libxul.so!MessageLoop::RunInternal() [message_loop.cc:e3c3f27d586adfda546dd082b7411b0671e26a96 : 315 + 0x17]
INFO - rbx = 0x00007f60f73fec68 rbp = 0x00007f60f73fec00
INFO - rsp = 0x00007f60f73febd0 r12 = 0x00007f60f73fec60
INFO - r13 = 0x00007f6113f6cac0 r14 = 0x00007f60f73fec10
INFO - r15 = 0x00007f6113f6cb00 rip = 0x00007f6101bdad2b
INFO - Found by: call frame info
INFO - 39 libxul.so!MessageLoop::Run() [message_loop.cc:e3c3f27d586adfda546dd082b7411b0671e26a96 : 290 + 0x8]
INFO - rbx = 0x00007f60f73fec68 rbp = 0x00007f60f73fec40
INFO - rsp = 0x00007f60f73fec10 r12 = 0x00007f60f73fec60
INFO - r13 = 0x00007f6113f6cac0 r14 = 0x00007f60f73fec10
INFO - r15 = 0x00007f6113f6cb00 rip = 0x00007f6101bdac85
INFO - Found by: call frame info
INFO - 40 libxul.so!nsThread::ThreadFunc(void*) [nsThread.cpp:e3c3f27d586adfda546dd082b7411b0671e26a96 : 444 + 0x8]
INFO - rbx = 0x00007f60f73fec68 rbp = 0x00007f60f73fee60
INFO - rsp = 0x00007f60f73fec50 r12 = 0x00007f60f73fec60
INFO - r13 = 0x00007f6113f6cac0 r14 = 0x00007f60f73fec68
INFO - r15 = 0x00007f6113f6cb00 rip = 0x00007f610163d0b0
INFO - Found by: call frame info
INFO - 41 libnspr4.so!_pt_root [ptthread.c:e3c3f27d586adfda546dd082b7411b0671e26a96 : 201 + 0x7]
INFO - rbx = 0x00007f60f8ab1820 rbp = 0x00007f60f73feeb0
INFO - rsp = 0x00007f60f73fee70 r12 = 0x00007f60f73ff630
INFO - r13 = 0x0000000000000000 r14 = 0x000000000000055a
INFO - r15 = 0x00007f60f73ff700 rip = 0x00007f61155d8897
INFO - Found by: call frame info
INFO - 42 libpthread.so.0 + 0x76db
INFO - rbx = 0x0000000000000000 rbp = 0x0000000000000000
INFO - rsp = 0x00007f60f73feec0 r12 = 0x00007f60f73fef80
INFO - r13 = 0x0000000000000000 r14 = 0x00007f60f8ab1820
INFO - r15 = 0x00007fff018942f0 rip = 0x00007f61152536db
INFO - Found by: call frame info
INFO - 43 libc.so.6 + 0x12188f
INFO - rsp = 0x00007f60f73fef80 rip = 0x00007f611423188f
INFO - Found by: stack scanning
INFO -

Flags: needinfo?(iireland)

Iain Ireland [:iain]

Assignee

Comment 7

•

5 years ago

Ugh, we really need to fix interruptTest so that we can test this in the shell.

The problem is with the code that falls back to the interpreter when a compiled regexp is interrupted. In my patch to remove ForceBytecode, I inadvertently swapped the order of two boolean arguments to irregexp::compilePattern, so instead of forcing bytecode, we compile MatchOnly. Then we try interpreting non-existent bytecode and crash.

Flags: needinfo?(iireland)

Pulsebot

Comment 8

•

5 years ago

Pushed by iireland@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/fa42c3f2667a Change parenCount to pairCount r=tcampbell https://hg.mozilla.org/integration/autoland/rev/cef25da6fa69 Use RegExpShared in JSRegExp r=tcampbell https://hg.mozilla.org/integration/autoland/rev/4fb151103331 Add interpreter support r=tcampbell https://hg.mozilla.org/integration/autoland/rev/7a5093c6eea7 Unify result enum r=tcampbell

Cristian Brindusan [:cbrindusan]

Comment 9

•

5 years ago

bugherder

https://hg.mozilla.org/mozilla-central/rev/fa42c3f2667a
https://hg.mozilla.org/mozilla-central/rev/cef25da6fa69
https://hg.mozilla.org/mozilla-central/rev/4fb151103331
https://hg.mozilla.org/mozilla-central/rev/7a5093c6eea7

Status: NEW → RESOLVED

Closed: 5 years ago

status-firefox77: --- → fixed

Resolution: --- → FIXED

Target Milestone: --- → mozilla77

Iain Ireland [:iain]

Assignee

Updated

•

4 years ago

Regressions: 1703750

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Bugzilla

Irregexp: Interpret regexps

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(Core :: JavaScript Engine, task, P1)

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(Reporter: iain, Assigned: iain)

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