wireguard-openbsd/gnu/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp, branch jd/queueboosts WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/gnu/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp?h=jd%2Fqueueboosts 2019-06-23T22:05:08Z Merge LLVM 8.0.0 release. 2019-06-23T22:05:08Z patrick patrick@openbsd.org 2019-06-23T22:05:08Z urn:sha1:f27a781c9811da94fe68b2cf34237c2a61b48c96 Prepared with help from jsg@ and mortimer@ Tested on amd64 by bcallah@, krw@, naddy@ Tested on arm64 by patrick@ Tested on macppc by kettenis@ Tested on octeon by visa@ Tested on sparc64 by claudio@ Re-enable RETGUARD leaf function optimization for arm64. 2019-05-31T19:15:05Z mortimer mortimer@openbsd.org 2019-05-31T19:15:05Z urn:sha1:90020ccd6197ab7cf35e5085321274918851be68 It turns out MachineFrameInfo.hasCalls() is unreliable, because it is up to the backends to update this information whenever they add calls to a function, and this does not always happen. ok kettenis@ retguard-cookie-in-register is slightly unstable on arm64, so surgically 2019-04-17T14:25:44Z deraadt deraadt@openbsd.org 2019-04-17T14:25:44Z urn:sha1:c5d2a9ef74104462dfe5eee96a216b8f9b7aa4b9 disable it in upcoming 6.5 release. (phessler and mortimer have the details) Do not store the retguard cookie in frame in leaf functions if possible. 2019-03-31T02:39:47Z mortimer mortimer@openbsd.org 2019-03-31T02:39:47Z urn:sha1:52357f02de6027c0408b01b51141d97603ef4460 Makes things slightly faster and also improves security in these functions, since the retguard cookie can't leak via the stack. ok deraadt@ Merge LLVM 7.0.1 release. 2019-01-27T16:55:35Z patrick patrick@openbsd.org 2019-01-27T16:55:35Z urn:sha1:5072e66b18f5d3ac6abf1c18a092e85eab2d7568 With fixes from mortimer@ (thanks!) Tested by many, especially naddy@ (thanks!) Add retguard for arm64. 2018-08-12T17:07:00Z mortimer mortimer@openbsd.org 2018-08-12T17:07:00Z urn:sha1:9866f44de26a847eaed067d23d8660b7dca51614 ok deraadt@ Import LLVM 6.0.1 release including clang, lld and lldb. 2018-04-06T14:26:03Z patrick patrick@openbsd.org 2018-04-06T14:26:03Z urn:sha1:bdabc2f19ffb9e20600dad6e8a300842a7bda50e "where is the kaboom?" deraadt@ Import LLVM 5.0.0 release including clang, lld and lldb. 2017-10-04T20:27:34Z patrick patrick@openbsd.org 2017-10-04T20:27:34Z urn:sha1:31eb748944903b7f4f38afda9851951ca9dfc1ae Import LLVM 4.0.0 rc1 including clang and lld to help the current 2017-01-24T08:32:59Z patrick patrick@openbsd.org 2017-01-24T08:32:59Z urn:sha1:53d771aafdbe5b919f264f53cba3788e2c4cffd2 development effort on OpenBSD/arm64. Import LLVM 3.9.1 including clang and lld. 2017-01-14T19:55:43Z patrick patrick@openbsd.org 2017-01-14T19:55:43Z urn:sha1:bd3306aecb3a15e8967143b8cdbbccf2b1b19b74