30782 2009-10-26 11:50:21 -0700 The thunkReturnAddress should be on JITStackFrame on ARM JIT 2009-10-26 15:49:39 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) PC Other RESOLVED FIXED P2 Normal --- 0 loki webkit-unassigned commit-queue ggaren laszlo.gombos zherczeg oldest_to_newest 157844 0 loki 2009-10-26 11:50:21 -0700 Currently the thunkReturnAddress is stored on the top of the stack on ARM JIT. This scenario is similar to how x86 handles the return address. It works, but for further compatibility it would be nice if the return address is stored in JITStackFrame structure. This change is required to have a JSValue32_64 support for ARM JIT. In additional, it helps the Symbian assembler to identify that there is no stack alignment problem. 157846 1 41879 loki 2009-10-26 11:54:05 -0700 Created attachment 41879 The thunkReturnAddress is on JITStackFrame on ARM JIT as well The proposed patch works similar to ARMv7 solution. 157859 2 loki 2009-10-26 12:08:47 -0700 I've removed the hard block flag from bug 30552. We should manage the changes separately. 157867 3 ggaren 2009-10-26 12:30:44 -0700 Does this patch maintain the proper stack alignment? 157872 4 loki 2009-10-26 12:40:00 -0700 > Does this patch maintain the proper stack alignment? Yes, it does. This solution is similar to ARMv7. 157979 5 41879 commit-queue 2009-10-26 15:49:35 -0700 Comment on attachment 41879 The thunkReturnAddress is on JITStackFrame on ARM JIT as well Clearing flags on attachment: 41879 Committed r50109: <http://trac.webkit.org/changeset/50109> 157980 6 commit-queue 2009-10-26 15:49:39 -0700 All reviewed patches have been landed. Closing bug. 41879 2009-10-26 11:54:05 -0700 2009-10-26 15:49:35 -0700 The thunkReturnAddress is on JITStackFrame on ARM JIT as well 0001-The-thunkReturnAddress-is-on-JITStackFrame-on-ARM-JI.patch text/plain 10951 loki RnJvbSAwZjQ3ZTAwODZkOWZiZDBkODdlMjc2ZmNhOGMyZGYwZWIyMDBhMDVhIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBHYWJvciBMb2tpIDxsb2tpQGluZi51LXN6ZWdlZC5odT4KRGF0 ZTogTW9uLCAyNiBPY3QgMjAwOSAxOTo0ODoyMiArMDEwMApTdWJqZWN0OiBbUEFUQ0hdIFRoZSB0 aHVua1JldHVybkFkZHJlc3MgaXMgb24gSklUU3RhY2tGcmFtZSBvbiBBUk0gSklUIGFzIHdlbGwK ClNpZ25lZC1vZmYtYnk6IEdhYm9yIExva2kgPGxva2lAaW5mLnUtc3plZ2VkLmh1PgotLS0KIEph dmFTY3JpcHRDb3JlL0NoYW5nZUxvZyAgICAgICAgICAgICAgICAgICAgIHwgICAyNiArKysrKysr KysrKysrKysrKwogSmF2YVNjcmlwdENvcmUvYXNzZW1ibGVyL01hY3JvQXNzZW1ibGVyQVJNLmgg fCAgICA5ICsrKy0tLQogSmF2YVNjcmlwdENvcmUvaml0L0pJVC5oICAgICAgICAgICAgICAgICAg ICAgfCAgICA1ICstLQogSmF2YVNjcmlwdENvcmUvaml0L0pJVElubGluZU1ldGhvZHMuaCAgICAg ICAgfCAgICA5ICsrLS0tLQogSmF2YVNjcmlwdENvcmUvaml0L0pJVE9wY29kZXMuY3BwICAgICAg 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