188157 2018-07-30 00:15:48 -0700 Add a debugging utility to dump the memory layout of a JSCell. 2018-07-30 07:48:25 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 mark.lam mark.lam ews-watchlist fpizlo keith_miller msaboff rmorisset saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1446166 0 mark.lam 2018-07-30 00:15:48 -0700 This is useful for some types of debugging work. 1446169 1 346053 mark.lam 2018-07-30 00:34:33 -0700 Created attachment 346053 proposed patch. 1446178 2 346053 ews-watchlist 2018-07-30 01:59:36 -0700 Comment on attachment 346053 proposed patch. Attachment 346053 did not pass jsc-ews (mac): Output: https://webkit-queues.webkit.org/results/8697267 New failing tests: stress/ftl-put-by-id-setter-exception-interesting-live-state.js.ftl-eager-no-cjit apiTests 1446180 3 346053 ysuzuki 2018-07-30 02:41:35 -0700 Comment on attachment 346053 proposed patch. View in context: https://bugs.webkit.org/attachment.cgi?id=346053&action=review r=me > Source/JavaScriptCore/ChangeLog:37 > + structureID 369 0x171 structure 0x104b723e0 > + indexingTypeAndMisc 11 0xb ArrayWithArrayStorage > + type 33 0x21 It would be nice if we can put classInfo's name too. 1446203 4 mark.lam 2018-07-30 07:44:04 -0700 (In reply to Yusuke Suzuki from comment #3) > Comment on attachment 346053 [details] > proposed patch. > > View in context: > https://bugs.webkit.org/attachment.cgi?id=346053&action=review > > r=me Thanks for the review. > > Source/JavaScriptCore/ChangeLog:37 > > + structureID 369 0x171 structure 0x104b723e0 > > + indexingTypeAndMisc 11 0xb ArrayWithArrayStorage > > + type 33 0x21 > > It would be nice if we can put classInfo's name too. We already do print the className e.g. <0x104bc8260, Object> <0x104bb4360, Array> 1446204 5 mark.lam 2018-07-30 07:47:22 -0700 Landed in r234363: <http://trac.webkit.org/r234363>. 1446205 6 webkit-bug-importer 2018-07-30 07:48:25 -0700 <rdar://problem/42731814> 346053 2018-07-30 00:34:33 -0700 2018-07-30 02:41:35 -0700 proposed patch. bug-188157.patch text/plain 13079 mark.lam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMjM0MzU5KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDg2IEBA CisyMDE4LTA3LTMwICBNYXJrIExhbSAgPG1hcmsubGFtQGFwcGxlLmNvbT4KKworICAgICAgICBB ZGQgYSBkZWJ1Z2dpbmcgdXRpbGl0eSB0byBkdW1wIHRoZSBtZW1vcnkgbGF5b3V0IG9mIGEgSlND ZWxsLgorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTg4 MTU3CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgVGhp 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