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2020-05-25libgo: update x/sys/cpu after gccgo support addedClément Chigot2-1/+28
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/234597
2020-05-15libgo: only build syscall test with -static if it worksIan Lance Taylor4-6/+61
Test whether -static works, and use it if possible. This time for sure. For PR go/95061 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/234024
2020-05-14libgo: only build syscall test with -static on GNU/LinuxIan Lance Taylor2-1/+3
For PR go/95061 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/234019
2020-05-13libgo: build syscall test with -staticIan Lance Taylor2-0/+8
This avoids problems finding libgo.so when running the test as root, which invokes the test as a child process in various limited environments. Fixes PR go/95061 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/233897
2020-05-11runtime: fix TestCallersNilPointerPaniceric fang1-12/+20
The expected result of TestCallersNilPointerPanic has changed in GoLLVM. This CL makes some elements of the expected result optional so that this test passes in both gccgo and GoLLVM. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/230138
2020-05-11syscall: append to environment in tests, don't clobber itIan Lance Taylor1-3/+6
This is a partial backport of https://golang.org/cl/233318. It's only a partial backport because part of the change was already applied to libgo in CL 193497 as part of the update to the Go 1.13beta1 release. Fixes PR go/95061 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/233359
2020-04-23gotest: increase the test timeouteric fang1-1/+1
The default test timeout duration of the gc compiler is 10 minutes, and the current default timeout duration of gofrontend is 240 seconds, which is not long enough for some big tests. This CL changes it to 600s, so that all tests have enough time to complete. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/229657
2020-04-20gccgo: fix runtime compilation on NetBSDBenny Siegert4-6/+53
si_code in siginfo_t is a macro on NetBSD, not a member of the struct itself, so add a C trampoline for receiving its value. Also replace references to mos.waitsemacount with the replacement and add some helpers from os_netbsd.go in the GC repository. Update golang/go#38538. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/228918
2020-04-15runtime: use 64 bits of hash seed on arm64eric fang1-6/+6
This is the same issue as #33960, but on gofrontend. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220297
2020-04-09libgo: update to final 1.14.2 releaseIan Lance Taylor10-74/+163
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/227551
2020-04-06libgo: update to almost the 1.14.2 releaseIan Lance Taylor40-283/+741
Update to edea4a79e8d7dea2456b688f492c8af33d381dc2 which is likely to be approximately the 1.14.2 release. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/227377
2020-02-28runtime: handle linux/arm64 signal registereric fang1-40/+23
Set sigpc and implement dumpregs for linux/arm64. Without this change, cmd/vet tool test will fail randomly. Updates golang/go#20931 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220543
2020-02-26libgo: update to final Go1.14 releaseIan Lance Taylor24-51/+224
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/221158
2020-02-24internal/poll: add hurd build tagIan Lance Taylor1-1/+1
Patch from Svante Signell. Fixes GCC PR go/93900 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220592
2020-02-24internal/syscall/unix: add hurd build tagIan Lance Taylor1-1/+1
Patch from Svante Signell. Fixes GCC PR go/93900 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/220589
2020-02-18cmd/go: update -DGOPKGPATH to use current pkgpath encodingIan Lance Taylor1-6/+20
This will need to be done in the gc version too, probably more cleverly. This version will ensure that the next GCC release works correctly when using the GCC version of the go tool. Updates golang/go#37272 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/219817
2020-02-16libgo: install internal/reflectlite.goxIan Lance Taylor2-14/+54
This makes it possible to use gccgo to bootstrap Go 1.14. If we don't install this, gccgo can't compile the sort package. Fixes GCC PR go/93679 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/219617
2020-02-15libgo: update to Go1.14rc1 releaseIan Lance Taylor196-1841/+1522
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/218017
2020-02-15runtime: on 32-bit systems, limit default GOMAXPROCS to 32Ian Lance Taylor1-0/+8
Otherwise we can easily run out of stack space for threads. The user can still override by setting GOMAXPROCS. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/219278
2020-02-03syscall: fix riscv64 GNU/Linux buildIan Lance Taylor1-14/+0
Make syscall_linux_riscv64.go, new in the 1.14beta1 release, look like the other syscall_linux_GOARCH.go files. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/217577
2020-01-29runtime, syscall: add a couple of hurd build tagsIan Lance Taylor2-2/+2
Patch by Svante Signell. Updates PR go/93468 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/216959
2020-01-29runtime: update netpoll_hurd.go for go1.14beta1 changesIan Lance Taylor1-33/+44
Patch from Svante Signell. Updates PR go/93468 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/216958
2020-01-24libgo: handle --with-toolexeclibdir=.Ian Lance Taylor5-4/+43
Patch by Maciej W. Rozycki. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/216239
2020-01-23internal/cpu: don't define CacheLinePadSize for riscv64Ian Lance Taylor1-2/+0
In libgo CacheLinePadSize is defined by the generated file cpugen.go. Keep cpu_riscv64.go around, even though it is now empty, so that we will pick up changes to it in future merges. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/216077
2020-01-22gotest: explicitly skip type descriptorsIan Lance Taylor1-0/+5
Type descriptors are normally weak and nm will report them as V, so we will skip them when collecting the list of symbols. But when not using GNU nm, they may be reported as D, so also skip them in symstogo. This fixes go/doc/check on Solaris. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/215900
2020-01-22runtime: for Solaris, add osinit, and drop duplicate getncpuIan Lance Taylor1-5/+4
Fixes a build breakage introduced in the 1.14beta1 upgrade. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/215857
2020-01-22internal/syscall/unix: use getrandom_linux_generic.go on arm64beAndrew Pinski1-1/+1
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/215342
2020-01-22runtime: call runtime_nanotime1, not runtime_nanotimeIan Lance Taylor1-1/+1
The function name was changed in 1.14beta1. Fix the non-x86, non-s390 code. Fixes golang/go#36694 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/215724
2020-01-21libgo: update to Go1.14beta1Ian Lance Taylor1227-21187/+67258
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/214297
2020-01-10gotest: don't use localIan Lance Taylor1-2/+1
It's not part of the POSIX shell standard. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/214300 From-SVN: r280118
2020-01-09libgo: compile examples in _test packagesIan Lance Taylor43-135/+93
Previously if the only names defined by _test packages were examples, the gotest script would emit an incorrect _testmain.go file. I worked around that by marking the example_test.go files +build ignored. This CL changes the gotest script to handle this case correctly, and removes the now-unnecessary build tags. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/214039 From-SVN: r280085
2020-01-07compiler, runtime: stop using __go_runtime_errorIan Lance Taylor6-136/+19
Use specific panic functions instead, which are mostly already in the runtime package. Also correct "defer nil" to panic when we execute the defer, rather than throw when we queue it. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/213642 From-SVN: r279979
2020-01-02compiler, runtime, reflect: generate hash functions only for map keysIan Lance Taylor12-224/+315
Right now we generate hash functions for all types, just in case they are used as map keys. That's a lot of wasted effort and binary size for types which will never be used as a map key. Instead, generate hash functions only for types that we know are map keys. Just doing that is a bit too simple, since maps with an interface type as a key might have to hash any concrete key type that implements that interface. So for that case, implement hashing of such types at runtime (instead of with generated code). It will be slower, but only for maps with interface types as keys, and maybe only a bit slower as the aeshash time probably dominates the dispatch time. Reorg where we keep the equals and hash functions. Move the hash function from the key type to the map type, saving a field in every non-map type. That leaves only one function in the alg structure, so get rid of that and just keep the equal function in the type descriptor itself. While we're here, reorganize the rtype struct to more closely match the gc version. This is the gofrontend version of https://golang.org/cl/191198. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/212843 From-SVN: r279848
2019-12-24re PR go/93020 (Final patches to build gcc-10 on GNU/Hurd)Ian Lance Taylor4-4/+4
PR go/93020 libgo: Hurd portability patches By Svante Signell. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/212409 From-SVN: r279724
2019-12-09re PR go/92861 (Passes relative time to sem_timedwait on GNU/Hurd)Ian Lance Taylor1-4/+0
PR go/92861 runtime: don't define CLOCK_REALTIME in os_hurd.go It's already defined in sysinfo.go. Patch by Samuel Thibault. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210538 From-SVN: r279136
2019-12-09re PR go/92861 (Passes relative time to sem_timedwait on GNU/Hurd)Ian Lance Taylor1-2/+26
PR go/92861 runtime: use absolute time for sem_timedwait Patch by Samuel Thibault. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210457 From-SVN: r279106
2019-12-06re PR go/92820 (libgo.so.15 has executable stack)Ian Lance Taylor2-11/+23
PR go/92820 runtime: only build go-context for x86 GNU/Linux Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210258 From-SVN: r279063
2019-12-06re PR other/29842 ([meta-bug] outstanding patches / issues from ↵Ian Lance Taylor1-5/+5
STMicroelectronics) PR go/29842 runtime: update HURD support for mOS now being embedded Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210285 From-SVN: r279062
2019-12-06re PR go/92810 (Compiling GCC go for aarch64_be-marvell-linux-gnu fails)Ian Lance Taylor2-0/+6
PR go/92810 libgo: recognize aarch64_be as arm64be Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210038 From-SVN: r279032
2019-12-05re PR go/92820 (libgo.so.15 has executable stack)Ian Lance Taylor1-1/+2
PR go/92820 runtime: always mark assembly file as non-executable stack Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/210037 From-SVN: r279010
2019-11-21re PR go/92605 (r278509 causes/reveals issue in building go library)Ian Lance Taylor2-1/+3
PR go/92605 runtime: declare runtime_usestackmaps in stack.c, not runtime.h Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/208161 From-SVN: r278540
2019-11-21mksysinfo: use type aliases for time struct field typesIan Lance Taylor1-7/+7
Also fix a case where grep wasn't redirecting to /dev/null. Fixes golang/go#35713 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/208160 From-SVN: r278539
2019-11-19libgo: better cmd/cgo handling for '.' in pkgpathIan Lance Taylor1-1/+3
Updates cgo's gccgoPkgpathToSymbolNew() to bring it into conformance with the way that gccgo now handles package paths with embedded dots (see CL 200838). See also https://gcc.gnu.org/PR61880, a related bug. This CL is a copy of CL 207957 in the main Go repo. Updates golang/go#35623. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/207977 From-SVN: r278470
2019-11-15testmain.exp: link against GOLIBSIan Lance Taylor1-1/+5
Patch by Maciej W. Rozycki. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/207458 From-SVN: r278316
2019-11-11libgo: fix DejaGNU testsuite compiler when using build sysrootIan Lance Taylor6-8/+34
Patch by Maciej W. Rozycki. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/206577 From-SVN: r278070
2019-10-14runtime: correct facilities names in s390 CPU supportIan Lance Taylor1-5/+7
Patch from Andreas Krebbel. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/201038 From-SVN: r276964
2019-10-14internal/cpu: define kdsaQuery for s390Ian Lance Taylor1-0/+15
Patch from Andreas Krebbel. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/201037 From-SVN: r276962
2019-10-02runtime: mark go-context.S as no-executable-stack and split-stack supportedIan Lance Taylor1-0/+4
The .note.GNU-stack section tells the linker that this object does not require an executable stack. The .note.GNU-split-stack section tells the linker that functions in this object can be called directly by split-stack functions, without require a large stack. The .note.GNU-no-split-stack section tells the linker that functions in this object do not have a split-stack prologue. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/198440 From-SVN: r276488
2019-09-19libgo: support gollvm build on arm64 linuxIan Lance Taylor3-0/+16
This CL serves as part of an initial change for enabling gollvm building on arm64 linux, the rest of the change will be covered by another one to the gollvm repo. Incorporate type definition of 'uint128' to 'runtime' and 'syscall' packges, the change is not specific to arm64 linux but made available for all platforms. Verified by building and unit-testing gollvm on linux x86-64 and arm64. Verified by building and checking gccgo on linux x86-64 and arm64. Fixes golang/go#33711 Change-Id: I4720c7d810cfd4ef720962fb4104c5641b2459c0 From-SVN: r275919
2019-09-17runtime: for FFI, treat directIface types as pointersIan Lance Taylor1-0/+6
This only matters on systems that pass a struct with a single pointer field differently than passing a single pointer. I noticed it on 32-bit PPC, where the reflect package TestDirectIfaceMethod failed. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/195878 From-SVN: r275814
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