179859 2017-11-18 05:36:45 -0800 [WTF] Remove CPU(HPPA) in StackBounds by using runtime stack direction test 2017-11-18 06:11:34 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ysuzuki ysuzuki benjamin cdumez cmarcelo darin dbates ews-watchlist fpizlo ggaren jfbastien keith_miller mark.lam msaboff saam sam webkit-bug-importer oldest_to_newest 1373531 0 ysuzuki 2017-11-18 05:36:45 -0800 [WTF] Remove CPU(HPPA) in StackBounds by using runtime stack direction test 1373532 1 327309 ysuzuki 2017-11-18 05:39:59 -0800 Created attachment 327309 Patch 1373533 2 327309 jfbastien 2017-11-18 05:50:27 -0800 Comment on attachment 327309 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=327309&action=review > Source/WTF/wtf/StackBounds.cpp:61 > + result = testStackDirection(nullptr); I don’t think nullptr is valid here. > Source/WTF/wtf/StackBounds.cpp:65 > + Seems like we can hardcode direction for known cpus here so they constant food away. 1373534 3 327309 ysuzuki 2017-11-18 05:52:47 -0800 Comment on attachment 327309 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=327309&action=review >> Source/WTF/wtf/StackBounds.cpp:61 >> + result = testStackDirection(nullptr); > > I don’t think nullptr is valid here. I'll split this function to offer stack pointer to this function. >> Source/WTF/wtf/StackBounds.cpp:65 >> + > > Seems like we can hardcode direction for known cpus here so they constant food away. I'll do this for major CPUs. 1373536 4 327310 ysuzuki 2017-11-18 06:02:55 -0800 Created attachment 327310 Patch 1373537 5 327310 jfbastien 2017-11-18 06:05:31 -0800 Comment on attachment 327310 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=327310&action=review r=me with bugfix > Source/WTF/wtf/StackBounds.cpp:72 > + result = testStackDirection(nullptr); That won’t compile with nullptr :) 1373538 6 327311 ysuzuki 2017-11-18 06:05:52 -0800 Created attachment 327311 Patch 1373539 7 327310 ysuzuki 2017-11-18 06:06:37 -0800 Comment on attachment 327310 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=327310&action=review >> Source/WTF/wtf/StackBounds.cpp:72 >> + result = testStackDirection(nullptr); > > That won’t compile with nullptr :) Oops. Thanks. Fixed. 1373540 8 ysuzuki 2017-11-18 06:10:05 -0800 Committed r225015: <https://trac.webkit.org/changeset/225015> 1373541 9 webkit-bug-importer 2017-11-18 06:11:34 -0800 <rdar://problem/35631948> 327309 2017-11-18 05:39:59 -0800 2017-11-18 06:02:53 -0800 Patch bug-179859-20171118223958.patch text/plain 5708 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjI1MDE0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV1RGL0NoYW5n ZUxvZyBiL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCmluZGV4IGUwNzNmZGJhOGQyOGZhOWNkYjA2MTkw ZmI4MDNmZmM1M2ZkNTBlMTUuLjQ1MzhhYzIyMjhmOWI2MDgwMGU4ODI5ZThjOGU1M2E3MDRmY2U4 MWMgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XVEYvQ2hh bmdlTG9nCkBAIC0xLDMgKzEsMjkgQEAKKzIwMTctMTEtMTggIFl1c3VrZSBTdXp1a2kgIDx1dGF0 YW5lLnRlYUBnbWFpbC5jb20+CisKKyAgICAgICAgW1dURl0gUmVtb3ZlIENQVShIUFBBKSBpbiBT dGFja0JvdW5kcyBieSB1c2luZyBydW50aW1lIHN0YWNrIGRpcmVjdGlvbiB0ZXN0CisgICAgICAg IGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xNzk4NTkKKworICAgICAg 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