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2020-12-03Merge release-20201130.0-30-g6f60a2b0a (automated)gVisor bot
2020-12-03Implement `fcntl` options `F_GETSIG` and `F_SETSIG`.Etienne Perot
These options allow overriding the signal that gets sent to the process when I/O operations are available on the file descriptor, rather than the default `SIGIO` signal. Doing so also populates `siginfo` to contain extra information about which file descriptor caused the event (`si_fd`) and what events happened on it (`si_band`). The logic around which FD is populated within `si_fd` matches Linux's, which means it has some weird edge cases where that value may not actually refer to a file descriptor that is still valid. This CL also ports extra S/R logic regarding async handler in VFS2. Without this, async I/O handlers aren't properly re-registered after S/R. PiperOrigin-RevId: 345436598
2020-10-19Merge release-20201005.0-102-g54e989ec3 (automated)gVisor bot
2020-10-08Merge release-20200928.0-66-ga55bd73d4 (automated)gVisor bot
2020-10-02Merge release-20200921.0-99-g02cff90ad (automated)gVisor bot
2020-10-02Merge pull request #4035 from lubinszARM:pr_misc_01gVisor bot
PiperOrigin-RevId: 335051794
2020-09-30Merge release-20200921.0-74-g387501219 (automated)gVisor bot
2020-09-29Replace remaining uses of reflection-based marshalling.Rahat Mahmood
- Rewrite arch.Stack.{Push,Pop}. For the most part, stack now implements marshal.CopyContext and can be used as the target of marshal operations. Stack.Push had some extra logic for automatically null-terminating slices. This was only used for two specific types of slices, and is now handled explicitly. - Delete usermem.CopyObject{In,Out}. - Replace most remaining uses of the encoding/binary package with go-marshal. Most of these were using the binary package to compute the size of a struct, which go-marshal can directly replace. ~3 uses of the binary package remain. These aren't reasonably replaceable by go-marshal: for example one use is to construct the syscall trampoline for systrap. - Fill out remaining convenience wrappers in the primitive package. PiperOrigin-RevId: 334502375
2020-09-25arm64: some minor changesBin Lu
This patch adds minor changes for Arm64 platform: 1, add SetRobustList/GetRobustList support for arm64 syscall module. 2, add newfstatat support for arm64 vfs2 syscall module. 3, add tls value in ProtoBuf. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-09-16Merge release-20200907.0-58-g9ef1c7992 (automated)gVisor bot
2020-09-16Merge release-20200907.0-57-gd201feb8c (automated)gVisor bot
2020-09-15Enable automated marshalling for the syscall package.Rahat Mahmood
PiperOrigin-RevId: 331940975
2020-09-12Merge release-20200907.0-37-g3ca73841d (automated)gVisor bot
2020-09-11Move the 'marshal' and 'primitive' packages to the 'pkg' directory.Rahat Mahmood
PiperOrigin-RevId: 331256608
2020-08-26Merge release-20200818.0-61-g983a55aa0 (automated)gVisor bot
2020-08-25Merge release-20200818.0-40-g46485f9d4 (automated)gVisor bot
2020-08-12Merge release-20200810.0-18-g252329c1f (automated)gVisor bot
2020-08-12Running hello-world on Thunderx2 with kvmBin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-07-24Merge release-20200622.1-216-gc59b792f5 (automated)gVisor bot
2020-07-23Merge release-20200622.1-201-g4eb3c8c7e (automated)gVisor bot
2020-07-23kvm-tls-2:add the preservation of user-TLS in the Arm64 kvm platformlubinszARM
This patch load/save TLS for the container application. Related issue: full context-switch supporting for Arm64 #1238 COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/2761 from lubinszARM:pr_tls_2 cb5dbca1c9c3f378002406da7a58887f9b5032b3 PiperOrigin-RevId: 322887044
2020-06-24Merge release-20200608.0-119-g364ac92ba (automated)gVisor bot
2020-06-10Merge release-20200522.0-111-g52c922f7c (automated)gVisor bot
2020-06-09initialize an empty fp state area for sentry on Arm64Bin Lu
We need to initialize an empty fp state area for the sentry. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-05-16Merge release-20200511.0-251-g420b791 (automated)gVisor bot
2020-05-15Minor formatting updates for gvisor.dev.Adin Scannell
* Aggregate architecture Overview in "What is gVisor?" as it makes more sense in one place. * Drop "user-space kernel" and use "application kernel". The term "user-space kernel" is confusing when some platform implementation do not run in user-space (instead running in guest ring zero). * Clear up the relationship between the Platform page in the user guide and the Platform page in the architecture guide, and ensure they are cross-linked. * Restore the call-to-action quick start link in the main page, and drop the GitHub link (which also appears in the top-right). * Improve image formatting by centering all doc and blog images, and move the image captions to the alt text. PiperOrigin-RevId: 311845158
2020-05-12Merge release-20200422.0-71-g06ded1c (automated)gVisor bot
2020-05-11Add fpsimd support in sigreturn on Arm64Bin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-05-07Merge release-20200422.0-51-g1f4087e (automated)gVisor bot
2020-05-07Merge release-20200422.0-41-gfeece24 (automated)gVisor bot
2020-04-28code clean in arch moduleBin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-04-26Merge release-20200323.0-251-g3c67754 (automated)gVisor bot
2020-04-25Enable automated marshalling for signals and the arch package.Rahat Mahmood
PiperOrigin-RevId: 308472331
2020-04-23Merge release-20200323.0-222-gded5c96 (automated)gVisor bot
2020-04-23Merge pull request #1819 from lubinszARM:pr_signal_2gVisor bot
PiperOrigin-RevId: 308100771
2020-04-13Merge release-20200323.0-144-g7e5d67e (automated)gVisor bot
2020-04-13Merge pull request #2168 from xiaobo55x:ptrace_testgVisor bot
PiperOrigin-RevId: 306306809
2020-04-13Merge release-20200323.0-134-g6a4d17a (automated)gVisor bot
2020-04-13Remove obsolete TODOs for b/38173783Jon Budd
The comments in the ticket indicate that this behavior is fine and that the ticket should be closed, so we shouldn't need pointers to the ticket. PiperOrigin-RevId: 306266071
2020-04-10Enable syscall ptrace test on arm64.Haibo Xu
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I5bb8fa7d580d173b1438d6465e1adb442216c8fa
2020-04-01Merge release-20200323.0-48-gdb79175 (automated)gVisor bot
2020-04-01Fix 386 build tagsMichael Pratt
The build tag for 32-bit x86 is 386, not i386. Updates #2298 PiperOrigin-RevId: 304206373
2020-03-31Arm64 signal#2: signal support in arch moduleBin Lu
SA_RESTORER is always used on Intel platform. But this flag is optional on other platforms. The vdso is enabled, so we can use the sigreturn trampolines the vdso provides instead on Arm platform. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-03-19Merge release-20200219.0-197-ga0fed7e (automated)gVisor bot
2020-03-18Merge pull request #2061 from lubinszARM:pr_restart_syscallgVisor bot
PiperOrigin-RevId: 301700868
2020-03-12passed the syscall test case 'alarm' on Arm64 platformBin Lu
This issue was caused by 'restart_syscall'. The value of Register R0 should be stored after finishing sysemu. So that we can restore the value and restart syscall. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-03-11Merge release-20200219.0-136-g24e7005 (automated)gVisor bot
2020-03-09Enable thread local storage support on arm64.Haibo Xu
Linux use the task.thread.uw.tp_value field to store the TLS pointer on arm64 platform, and we use a similar way in gvisor to store it in the arch/State struct. Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: Ie76b5c6d109bc27ccfd594008a96753806db7764
2020-02-29Merge release-20200219.0-75-g3d9ddeb (automated)gVisor bot
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