151079 2015-11-09 22:52:54 -0800 Create an FTLExceptionHandlerManager abstraction 2015-11-10 14:51:35 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 saam saam benjamin commit-queue fpizlo ggaren gskachkov keith_miller mark.lam msaboff oliver sukolsak ysuzuki oldest_to_newest 1140691 0 saam 2015-11-09 22:52:54 -0800 I think some of the exception handling state and code in FTLCompile can use a nice abstraction or just a different file to live in. 1140692 1 saam 2015-11-09 23:02:10 -0800 This should also handle the case where it shouldn't bother generating call site indices for tail calls. 1140881 2 265212 saam 2015-11-10 11:54:30 -0800 Created attachment 265212 patch 1140883 3 commit-queue 2015-11-10 11:56:23 -0800 Attachment 265212 did not pass style-queue: ERROR: Source/JavaScriptCore/ftl/FTLExceptionHandlerManager.h:45: Should have only a single space after a punctuation in a comment. [whitespace/comments] [5] ERROR: Source/JavaScriptCore/ftl/FTLExceptionHandlerManager.h:54: The parameter name "state" adds no information, so it should be removed. [readability/parameter_name] [5] Total errors found: 2 in 8 files If any of these errors are false positives, please file a bug against check-webkit-style. 1140910 4 265212 mark.lam 2015-11-10 12:54:54 -0800 Comment on attachment 265212 patch View in context: https://bugs.webkit.org/attachment.cgi?id=265212&action=review r=me with comments. > Source/JavaScriptCore/CMakeLists.txt:-993 > + ftl/FTLDataSection.cpp > ftl/FTLDWARFDebugLineInfo.cpp > ftl/FTLDWARFRegister.cpp > - ftl/FTLDataSection.cpp nit: Technically, FTLDWARFRegister.cpp should come before FTLDataSection.cpp according to ASCII sort order. However, I see that the vcxproj files do it differently. I'll let you decide on which is best. > Source/JavaScriptCore/ftl/FTLExceptionHandlerManager.cpp:122 > + if (!exit.m_exceptionHandlerCallSiteIndex) > + exit.m_exceptionHandlerCallSiteIndex = m_state.jitCode->common.addUniqueCallSiteIndex(origin); This part is new, and not present in the original generateOrGetAlreadyGeneratedCallSiteIndex(). I see that this used to be assigned at line 613 in fixFunctionBasedOnStackMaps(), and it still is assigned there. Is there a reason that we need to have a separate assignment here? Can it be one or the other (and not both)? 1140914 5 265212 saam 2015-11-10 13:07:53 -0800 Comment on attachment 265212 patch View in context: https://bugs.webkit.org/attachment.cgi?id=265212&action=review >> Source/JavaScriptCore/ftl/FTLExceptionHandlerManager.cpp:122 >> + exit.m_exceptionHandlerCallSiteIndex = m_state.jitCode->common.addUniqueCallSiteIndex(origin); > > This part is new, and not present in the original generateOrGetAlreadyGeneratedCallSiteIndex(). I see that this used to be assigned at line 613 in fixFunctionBasedOnStackMaps(), and it still is assigned there. Is there a reason that we need to have a separate assignment here? Can it be one or the other (and not both)? You're right. We should never need to generate one here. I'll just assert that we have a valid callsiteindex here. 1140961 6 saam 2015-11-10 14:51:35 -0800 landed in: http://trac.webkit.org/changeset/192273 265212 2015-11-10 11:54:30 -0800 2015-11-10 12:54:54 -0800 patch b-backup.diff text/plain 33421 saam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTkyMjU4KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDM2IEBA CisyMDE1LTExLTEwICBTYWFtIGJhcmF0aSAgPHNiYXJhdGlAYXBwbGUuY29tPgorCisgICAgICAg IENyZWF0ZSBhbiBGVExFeGNlcHRpb25IYW5kbGVyTWFuYWdlciBhYnN0cmFjdGlvbgorICAgICAg ICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTUxMDc5CisKKyAgICAg ICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgQmVmb3JlLCB3ZSB1c2Vk IHRvIG1hbmFnZSB0aGUge3N0YWNrbWFwUmVjb3JkSW5kZXggPT4gT1NSRXhpdH0gcmVsYXRpb25z 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