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cmd/compile, cmd/link: c-shared not supported on linux/loong64 #53301

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xiaobai394 opened this issue Jun 9, 2022 · 13 comments
Closed

cmd/compile, cmd/link: c-shared not supported on linux/loong64 #53301

xiaobai394 opened this issue Jun 9, 2022 · 13 comments
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@abner-chenc
Labels
arch-loong64 Issues solely affecting the loongson architecture. compiler/runtime Issues related to the Go compiler and/or runtime. FeatureRequest NeedsFix The path to resolution is known, but the work has not been done.
Milestone
Go1.21

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@xiaobai394
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xiaobai394 commented Jun 9, 2022 •
edited by mengzhuo

What version of Go are you using (go version)?

$ go version
go version go1.18 linux/loong64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE="on"
GOARCH="loong64"
GOBIN=""
GOCACHE="/home/uos/.cache/go-build"
GOENV="/home/uos/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="loong64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/uos/go/pkg/mod"
GONOPROXY="*.uniontech.com"
GONOSUMDB="*.uniontech.com"
GOOS="linux"
GOPATH="/home/uos/go"
GOPRIVATE=""
GOPROXY="https://goproxy.cn,direct"
GOROOT="/usr/share/ubxgo/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/share/ubxgo/go/pkg/tool/linux_loong64"
GOVCS=""
GOVERSION="go1.18"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -mabi=lp64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1139878000=/tmp/go-build -gno-record-gcc-switches"

What did you do?

go build -x -buildmode=c-shared -o hello.so hello.go

-buildmode=c-shared not supported on linux/loong64

I tried modified source code to support c-shared

/usr/share/ubxgo/go/pkg/tool/linux_loong64/link -o $WORK/b001/exe/a.out -importcfg $WORK/b001/importcfg.link -installsuffix shared -buildmode=c-shared -buildid=VjSGCzgmjjJmng4hvW1p/WO5bAXmxALTE53mSBcMM/lLTTU0AieOjUvcGiNFbI/VjSGCzgmjjJmng4hvW1p -extld=gcc /home/uos/.cache/go-build/8a/8a684f2f6e11d470d52b1497952c1f44669b428ec4b5cbe654f378ab7a078f2b-d
#command-line-arguments
/usr/share/ubxgo/go/pkg/tool/linux_loong64/link: running gcc failed: exit status 1
collect2: fatal error: ld terminated with signal 11 [segfault]
compilation terminated.

package main
import "C"
//export hello
func hello(value string) *C.char {
        return C.CString("hello"+value)
}

func main() {

}

What did you expect to see?

What did you see instead?

Why doesn't loongarch supported c-shared mode?

Modified into English (origin Chinese)
@randall77
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@golang/loong64

@mengzhuo mengzhuo changed the title affected/package: cmd/compile, cmd/link: c-shared not supported on linux/loong64 Jun 9, 2022
@mengzhuo mengzhuo added the arch-loong64 Issues solely affecting the loongson architecture. label Jun 9, 2022
@xen0n
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xen0n commented Jun 9, 2022

I think for producing shared objects, some kind of real relocation record support is needed, but unfortunately the current stack-machine-based relocations of LoongArch are poorly supported at best.

I think it's probably better to wait until loongson/LoongArch-Documentation#50 is finalized and merged.

@cherrymui cherrymui added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jun 9, 2022
@cherrymui cherrymui added this to the Unplanned milestone Jun 9, 2022
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jul 13, 2022
@wojiushixiaobai
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有任何进展吗？loongson/LoongArch-Documentation#57 已经关闭

@xen0n
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xen0n commented Aug 25, 2022

有任何进展吗？loongson/LoongArch-Documentation#57 已经关闭

I think it's better to write in English...

Translation for non-Chinese speakers:

Any progress? loongson/LoongArch-Documentation#57 is already closed.

I don't know if the Loongson people have plans for this cycle; pinging others in @golang/loong64. I myself don't think I have enough time to make any promise though.

@gopherbot
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Change https://go.dev/cl/425475 mentions this issue: cmd/compile: add support for --buildmode=c-shared on loong64

@gopherbot
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Change https://go.dev/cl/425474 mentions this issue: runtime: add support for --buildmode=c-shared on loong64

@gopherbot
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Change https://go.dev/cl/425477 mentions this issue: cmd/link: add support for --buildmode=c-shared on loong64

@gopherbot
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Change https://go.dev/cl/425478 mentions this issue: cmd/internal/sys: enable c-shared feature on loong64

@gopherbot
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Change https://go.dev/cl/425479 mentions this issue: cmd/dist, misc/cgo/testcshared: enable c-shared test on loong64

@gopherbot
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Change https://go.dev/cl/425476 mentions this issue: cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocations on loong64

@xen0n
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xen0n commented Feb 17, 2023

Update: it looks like this is now being actively worked on by other people in @golang/loong64, and seems to target go1.21.

xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
runtime: add support for --buildmode=c-shared on loong64
f843e27 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
cmd/compile: add support for --buildmode=c-shared on loong64
efc1179 
Updates golang#53301
Updates golang#58784

Change-Id: I78a90155b17d7d8be04e8ba5e4d75e27d15b3311
xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocatio…
fe50467 
…ns on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
cmd/link: add support for --buildmode=c-shared on loong64
3f1c199 
Updates golang#53301
Updates golang#58784

Change-Id: I4b726b0cc09e5e008b92b3e0a8a7bdd103b062c4
xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
cmd/internal/sys: enable c-shared feature on loong64
9c2df46 
Updates golang#53301
Updates golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
xen0n pushed a commit to xen0n/go that referenced this issue Mar 9, 2023
@limeidan @xen0n
cmd/dist, misc/cgo/testcshared: enable c-shared test on loong64
e58f07d 
Updates golang#53301
Updates golang#58784

Change-Id: I68357e420f0920d6609d399cee40cd44af018385
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
runtime: add support for --buildmode=c-shared on loong64
6230e0e 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/compile: add support for --buildmode=c-shared on loong64
4553589 
Updates golang#53301
Updates golang#58784

Change-Id: I78a90155b17d7d8be04e8ba5e4d75e27d15b3311
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocatio…
85dd9db 
…ns on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/link: add support for --buildmode=c-shared on loong64
aafec25 
Updates golang#53301
Updates golang#58784

Change-Id: I4b726b0cc09e5e008b92b3e0a8a7bdd103b062c4
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…
c81ec30 
…ture and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates golang#53301
Updates golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
runtime: add support for --buildmode=c-shared on loong64
3e4bddd 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/compile: add support for --buildmode=c-shared on loong64
9414d26 
Updates golang#53301
Updates golang#58784

Change-Id: I78a90155b17d7d8be04e8ba5e4d75e27d15b3311
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…
3c4d305 
…ture and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates golang#53301
Updates golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
runtime: add support for --buildmode=c-shared on loong64
205c86e 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/compile: add support for --buildmode=c-shared on loong64
346ff67 
Updates golang#53301
Updates golang#58784

Change-Id: I78a90155b17d7d8be04e8ba5e4d75e27d15b3311
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocatio…
9253287 
…ns on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/link: add support for --buildmode=c-shared on loong64
a40e26d 
Updates golang#53301
Updates golang#58784

Change-Id: I4b726b0cc09e5e008b92b3e0a8a7bdd103b062c4
xen0n pushed a commit to xen0n/go that referenced this issue Mar 24, 2023
@limeidan @xen0n
cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…
7e38537 
…ture and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates golang#53301
Updates golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
xen0n pushed a commit to xen0n/go that referenced this issue Mar 31, 2023
@limeidan
runtime: add support for --buildmode=c-shared on loong64
cb91559 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Mar 31, 2023
@limeidan
cmd/compile: add support for --buildmode=c-shared on loong64
0ebb53b 
Updates golang#53301
Updates golang#58784

Change-Id: I78a90155b17d7d8be04e8ba5e4d75e27d15b3311
xen0n pushed a commit to xen0n/go that referenced this issue Mar 31, 2023
@limeidan
cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocatio…
fc9ab3e 
…ns on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
xen0n pushed a commit to xen0n/go that referenced this issue Mar 31, 2023
@limeidan
cmd/link: add support for --buildmode=c-shared on loong64
23a42e1 
Updates golang#53301
Updates golang#58784

Change-Id: I4b726b0cc09e5e008b92b3e0a8a7bdd103b062c4
xen0n pushed a commit to xen0n/go that referenced this issue Mar 31, 2023
@limeidan
cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…
c223030 
…ture and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates golang#53301
Updates golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
gopherbot pushed a commit that referenced this issue Apr 10, 2023
@limeidan @gopherbot
runtime: add support for --buildmode=c-shared on loong64
80eeec6 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates #53301
Updates #58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
Reviewed-on: https://go-review.googlesource.com/c/go/+/425474
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
xen0n pushed a commit to xen0n/go that referenced this issue Apr 10, 2023
@limeidan
runtime: add support for --buildmode=c-shared on loong64
25b4d68 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
xen0n pushed a commit to xen0n/go that referenced this issue Apr 10, 2023
@limeidan
cmd/internal/obj/loong64, cmd/internal/objabi: add c-shared relocatio…
ffcfe60 
…ns on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
gopherbot pushed a commit that referenced this issue Apr 11, 2023
@limeidan @gopherbot
cmd/internal/obj/loong64, cmd/internal/objabi, cmd/link: add support …
1f908bd 
…for --buildmode=c-shared on loong64

Updates #53301
Updates #58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
Reviewed-on: https://go-review.googlesource.com/c/go/+/425476
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: WANG Xuerui <git@xen0n.name>
gopherbot pushed a commit that referenced this issue Apr 12, 2023
@limeidan @gopherbot
cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…
b3a194a 
…ture and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates #53301
Fixes #58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
Reviewed-on: https://go-review.googlesource.com/c/go/+/425478
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
Reviewed-by: WANG Xuerui <git@xen0n.name>
xen0n pushed a commit to xen0n/go that referenced this issue May 1, 2023
@limeidan @xen0n
runtime: add support for --buildmode=c-shared on loong64
cd4e4d4 
These c-shared related CLs are follow up of CLs 455016, 455017, 455018. Here we
follow the LoongArch ELF psABI v2 standard, which requires the support of the
PCALAU12I instruction.

Updates golang#53301
Updates golang#58784

Change-Id: I7f1ddbf3b2470d610f12069d147aa9b3a6a96f32
Reviewed-on: https://go-review.googlesource.com/c/go/+/425474
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 80eeec6)
xen0n pushed a commit to xen0n/go that referenced this issue May 1, 2023
@limeidan @xen0n
[release-branch.go1.20] cmd/internal/obj/loong64, cmd/internal/objabi…
7fc2548 
…, cmd/link: add support for --buildmode=c-shared on loong64

Updates golang#53301
Updates golang#58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
Reviewed-on: https://go-review.googlesource.com/c/go/+/425476
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: WANG Xuerui <git@xen0n.name>
(cherry picked from commit 1f908bd)
xen0n pushed a commit to xen0n/go that referenced this issue May 1, 2023
@limeidan @xen0n
[release-branch.go1.20] cmd/internal/sys, cmd/dist, misc/cgo/testcsha…
0a3b37a 
…red: enable c-shared feature and test on loong64

Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64.

Updates golang#53301
Fixes golang#58784

Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018
Reviewed-on: https://go-review.googlesource.com/c/go/+/425478
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: xiaodong liu <teaofmoli@gmail.com>
Reviewed-by: WANG Xuerui <git@xen0n.name>
(cherry picked from commit b3a194a)
@gopherbot
Copy link

Change https://go.dev/cl/507815 mentions this issue: doc/go1.21: add release notes for linux/loong64

@abner-chenc abner-chenc modified the milestones: Unplanned, Go1.21 Jul 7, 2023
@dmitshur dmitshur added NeedsFix The path to resolution is known, but the work has not been done. and removed NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. labels Jul 7, 2023
@gopherbot
Copy link

Change https://go.dev/cl/510916 mentions this issue: [release-branch.go1.21] doc/go1.21: add release notes for linux/loong64

gopherbot pushed a commit that referenced this issue Jul 19, 2023
@abner-chenc @gopherbot
[release-branch.go1.21] doc/go1.21: add release notes for linux/loong64
03c7e96 
Fixes #53301

Change-Id: Id447d57d43b12c3748267295928d45a089549340
Reviewed-on: https://go-review.googlesource.com/c/go/+/507815
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
(cherry picked from commit 7007271)
Reviewed-on: https://go-review.googlesource.com/c/go/+/510916
Reviewed-by: Heschi Kreinick <heschi@google.com>
bradfitz pushed a commit to tailscale/go that referenced this issue Aug 2, 2023
@abner-chenc @bradfitz
[release-branch.go1.21] doc/go1.21: add release notes for linux/loong64
765b523 
Fixes golang#53301

Change-Id: Id447d57d43b12c3748267295928d45a089549340
Reviewed-on: https://go-review.googlesource.com/c/go/+/507815
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
TryBot-Bypass: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
TryBot-Bypass: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
(cherry picked from commit 7007271)
Reviewed-on: https://go-review.googlesource.com/c/go/+/510916
Reviewed-by: Heschi Kreinick <heschi@google.com>
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arch-loong64 Issues solely affecting the loongson architecture. compiler/runtime Issues related to the Go compiler and/or runtime. FeatureRequest NeedsFix The path to resolution is known, but the work has not been done.
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