40231 2010-06-07 05:58:35 -0700 Add native call support for ARM and Thumb-2 JIT with JSValue32 2010-06-22 05:25:31 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Other All RESOLVED FIXED P2 Enhancement --- 1 loki webkit-unassigned barraclough ggaren webkit.review.bot oldest_to_newest 234811 0 loki 2010-06-07 05:58:35 -0700 Currently the native call enhancement is available on x86 with JSValue32_64 and on x86_64 with JSValue64. I am going to upload a patch which adds this call support for ARM and Thumb-2 JIT as well. 234814 1 58020 loki 2010-06-07 06:09:33 -0700 Created attachment 58020 Add native call support for ARM and Thumb-2 JIT with JSValue32. Same technique was used as on x86_64 with some limitations. - we cannot use regT0 for the new callframe, because r0 (=regT0) should be the first argument of the host function. - a callee preserved register should be used to hold the return address instead of the stack. - preserveReturnAddressAfterCall/restoreReturnAddressBeforeReturn functions should be used to work with return address (instead of peek/poke on stack). 234816 2 webkit.review.bot 2010-06-07 06:11:54 -0700 Attachment 58020 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style', '--no-squash']" exit_code: 1 JavaScriptCore/jit/JITOpcodes.cpp:249: Extra space before ( in function call [whitespace/parens] [4] JavaScriptCore/wtf/Platform.h:973: More than one command on the same line in if [whitespace/parens] [4] Total errors found: 2 in 3 files If any of these errors are false positives, please file a bug against check-webkit-style. 234828 3 58025 loki 2010-06-07 06:55:49 -0700 Created attachment 58025 Add native call support for ARM and Thumb-2 JIT It was easy to add the native call support for JSValue32_64 as well. So, this patch contains the native call enhancement for each ARM JIT and for each supported JSValue representations. 234830 4 webkit.review.bot 2010-06-07 06:57:56 -0700 Attachment 58025 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style', '--no-squash']" exit_code: 1 JavaScriptCore/wtf/Platform.h:973: More than one command on the same line in if [whitespace/parens] [4] Total errors found: 1 in 4 files If any of these errors are false positives, please file a bug against check-webkit-style. 240786 5 58025 ggaren 2010-06-21 11:13:34 -0700 Comment on attachment 58025 Add native call support for ARM and Thumb-2 JIT JavaScriptCore/jit/JITOpcodes.cpp:226 + restoreReturnAddressBeforeReturn(regT3); This implies that the link register is caller save. Is it? I thought it was callee save. r=me 241196 6 loki 2010-06-22 02:04:08 -0700 > + restoreReturnAddressBeforeReturn(regT3); > This implies that the link register is caller save. Is it? I thought it was callee save. The link register (r14) is caller-save. The callee-save registers are: r4-r11. 241223 7 loki 2010-06-22 05:25:31 -0700 Committed revision 61614. 58020 2010-06-07 06:09:33 -0700 2010-06-07 06:55:49 -0700 Add native call support for ARM and Thumb-2 JIT with JSValue32. 0001-Add-native-call-support-for-ARM-and-Thumb-2-JIT-with.patch text/plain 4849 loki RnJvbSBmZjNhZDM4NGNjMTk0ZWEwZmQ3N2JhMmYwN2IxODk3MWJhODhjNjNiIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBHYWJvciBMb2tpIDxsb2tpQGluZi51LXN6ZWdlZC5odT4KRGF0 ZTogTW9uLCA3IEp1biAyMDEwIDE0OjU5OjIwICswMjAwClN1YmplY3Q6IFtQQVRDSF0gQWRkIG5h dGl2ZSBjYWxsIHN1cHBvcnQgZm9yIEFSTSBhbmQgVGh1bWItMiBKSVQgd2l0aCBKU1ZhbHVlMzIu CgpTaWduZWQtb2ZmLWJ5OiBHYWJvciBMb2tpIDxsb2tpQGluZi51LXN6ZWdlZC5odT4KLS0tCiBK YXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cgICAgICAgICAgfCAgIDExICsrKysrKysrKysrCiBKYXZh U2NyaXB0Q29yZS9qaXQvSklUT3Bjb2Rlcy5jcHAgfCAgIDM1ICsrKysrKysrKysrKysrKysrKysr KysrKysrKysrKystLS0tCiBKYXZhU2NyaXB0Q29yZS93dGYvUGxhdGZvcm0uaCAgICAgfCAgICA1 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