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cmd/go: cannot build valid bootstrap for GOOS=ios GOARCH=arm64 #49842

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changkun opened this issue Nov 29, 2021 · 3 comments
Closed

cmd/go: cannot build valid bootstrap for GOOS=ios GOARCH=arm64 #49842

changkun opened this issue Nov 29, 2021 · 3 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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@changkun
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Host:

$ uname -a
Darwin changkun.local 21.1.0 Darwin Kernel Version 21.1.0: Wed Oct 13 17:33:24 PDT 2021; root:xnu-8019.41.5~1/RELEASE_ARM64_T8101 arm64

Build a bootstrap for GOOS=ios GOARCH=arm64 in $GOROOT/src:

GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash
  • Tested Case 1: Use go1.15.15.darwin.amd64 to build go1.16.10.darwin.arm64
Output
$ GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash                                                                                                                                                       [9:12:54]
#### Copying to ../../go-ios-arm64-bootstrap

Cleaning ../../go-ios-arm64-bootstrap


Building ../../go-ios-arm64-bootstrap


Building Go cmd/dist using /Users/changkun/goes/go1.15.15-amd64. (go1.15.15 darwin/amd64)

Building Go toolchain1 using /Users/changkun/goes/go1.15.15-amd64.

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.

Building Go toolchain2 using go_bootstrap and Go toolchain1.

Building Go toolchain3 using go_bootstrap and Go toolchain2.

Building packages and commands for host, darwin/amd64.

Building packages and commands for target, ios/arm64.


runtime/cgo


gcc_arm64.S:28:16: error: brackets expression not supported on this target

stp x29, x30, [sp, #-96]!

^

gcc_arm64.S:32:2: error: unknown use of instruction mnemonic without a size suffix

mov x29, sp

^

gcc_arm64.S:34:16: error: brackets expression not supported on this target

stp x19, x20, [sp, #80]

^

gcc_arm64.S:37:16: error: brackets expression not supported on this target

stp x21, x22, [sp, #64]

^

gcc_arm64.S:40:16: error: brackets expression not supported on this target

stp x23, x24, [sp, #48]

^

gcc_arm64.S:43:16: error: brackets expression not supported on this target

stp x25, x26, [sp, #32]

^

gcc_arm64.S:46:16: error: brackets expression not supported on this target

stp x27, x28, [sp, #16]

^

gcc_arm64.S:50:2: error: unknown use of instruction mnemonic without a size suffix

mov x19, x0

^

gcc_arm64.S:51:2: error: unknown use of instruction mnemonic without a size suffix

mov x20, x1

^

gcc_arm64.S:52:2: error: unknown use of instruction mnemonic without a size suffix

mov x0, x2

^

gcc_arm64.S:54:2: error: invalid instruction mnemonic 'blr'

blr x20

^~~

gcc_arm64.S:55:2: error: invalid instruction mnemonic 'blr'

blr x19

^~~

gcc_arm64.S:57:16: error: brackets expression not supported on this target

ldp x27, x28, [sp, #16]

^

gcc_arm64.S:60:16: error: brackets expression not supported on this target

ldp x25, x26, [sp, #32]

^

gcc_arm64.S:63:16: error: brackets expression not supported on this target

ldp x23, x24, [sp, #48]

^

gcc_arm64.S:66:16: error: brackets expression not supported on this target

ldp x21, x22, [sp, #64]

^

gcc_arm64.S:69:16: error: brackets expression not supported on this target

ldp x19, x20, [sp, #80]

^

gcc_arm64.S:72:16: error: brackets expression not supported on this target

ldp x29, x30, [sp], #96

  • Tested Case 2: Use go1.16.darwin.amd64 to build go1.16.10.darwin.arm64
Output
$ GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash                                                                                                                                                       [9:15:48]
#### Copying to ../../go-ios-arm64-bootstrap

Cleaning ../../go-ios-arm64-bootstrap


Building ../../go-ios-arm64-bootstrap


Building Go cmd/dist using /Users/changkun/goes/go1.16-amd64. (go1.16 darwin/amd64)

Building Go toolchain1 using /Users/changkun/goes/go1.16-amd64.

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.

Building Go toolchain2 using go_bootstrap and Go toolchain1.

Building Go toolchain3 using go_bootstrap and Go toolchain2.

Building packages and commands for host, darwin/amd64.

Building packages and commands for target, ios/arm64.


runtime/cgo


gcc_arm64.S:28:16: error: brackets expression not supported on this target

stp x29, x30, [sp, #-96]!

^

gcc_arm64.S:32:2: error: unknown use of instruction mnemonic without a size suffix

mov x29, sp

^

gcc_arm64.S:34:16: error: brackets expression not supported on this target

stp x19, x20, [sp, #80]

^

gcc_arm64.S:37:16: error: brackets expression not supported on this target

stp x21, x22, [sp, #64]

^

gcc_arm64.S:40:16: error: brackets expression not supported on this target

stp x23, x24, [sp, #48]

^

gcc_arm64.S:43:16: error: brackets expression not supported on this target

stp x25, x26, [sp, #32]

^

gcc_arm64.S:46:16: error: brackets expression not supported on this target

stp x27, x28, [sp, #16]

^

gcc_arm64.S:50:2: error: unknown use of instruction mnemonic without a size suffix

mov x19, x0

^

gcc_arm64.S:51:2: error: unknown use of instruction mnemonic without a size suffix

mov x20, x1

^

gcc_arm64.S:52:2: error: unknown use of instruction mnemonic without a size suffix

mov x0, x2

^

gcc_arm64.S:54:2: error: invalid instruction mnemonic 'blr'

blr x20

^~~

gcc_arm64.S:55:2: error: invalid instruction mnemonic 'blr'

blr x19

^~~

gcc_arm64.S:57:16: error: brackets expression not supported on this target

ldp x27, x28, [sp, #16]

^

gcc_arm64.S:60:16: error: brackets expression not supported on this target

ldp x25, x26, [sp, #32]

^

gcc_arm64.S:63:16: error: brackets expression not supported on this target

ldp x23, x24, [sp, #48]

^

gcc_arm64.S:66:16: error: brackets expression not supported on this target

ldp x21, x22, [sp, #64]

^

gcc_arm64.S:69:16: error: brackets expression not supported on this target

ldp x19, x20, [sp, #80]

^

gcc_arm64.S:72:16: error: brackets expression not supported on this target

ldp x29, x30, [sp], #96

^

go tool dist: FAILED: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_amd64/go_bootstrap install -gcflags=all= -ldflags=all= std cmd: exit status 2

  • Tested Case 3: Use go1.16.darwin.arm64 to build go1.16.10.darwin.arm64
Output
$ GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash                                                                                                                                                       [9:18:24]
#### Copying to ../../go-ios-arm64-bootstrap

Cleaning ../../go-ios-arm64-bootstrap


Building ../../go-ios-arm64-bootstrap


Building Go cmd/dist using /Users/changkun/goes/go1.16-arm64. (go1.16 darwin/arm64)

Building Go toolchain1 using /Users/changkun/goes/go1.16-arm64.

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.

Building Go toolchain2 using go_bootstrap and Go toolchain1.

Building Go toolchain3 using go_bootstrap and Go toolchain2.

Building packages and commands for host, darwin/arm64.

Building packages and commands for target, ios/arm64.


cmd/addr2line


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/buildid


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/api


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/cgo


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/cover


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/fix


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/doc


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/dist


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/asm


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/gofmt


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/pack


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/nm


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/objdump


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/test2json


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/vet


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/trace


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/pprof


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/link


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)


cmd/go


/Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: /Users/changkun/goes/go-ios-arm64-bootstrap/pkg/tool/darwin_arm64/link: combining dwarf failed: unknown load command 0x80000034 (2147483700)

^C

  • Tested Case 4: Use go1.16.darwin.amd64 to build go1.17.3.darwin.arm64
Output
$ GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash                                                                               [9:28:09]
#### Copying to ../../go-ios-arm64-bootstrap

Cleaning ../../go-ios-arm64-bootstrap


Building ../../go-ios-arm64-bootstrap


Building Go cmd/dist using /Users/changkun/goes/go1.16-amd64. (go1.16 darwin/amd64)

Building Go toolchain1 using /Users/changkun/goes/go1.16-amd64.

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.

Building Go toolchain2 using go_bootstrap and Go toolchain1.

Building Go toolchain3 using go_bootstrap and Go toolchain2.

Building packages and commands for host, darwin/amd64.

Building packages and commands for target, ios/arm64.


runtime/cgo


gcc_arm64.S:28:16: error: brackets expression not supported on this target

stp x29, x30, [sp, #-96]!

^

gcc_arm64.S:32:2: error: unknown use of instruction mnemonic without a size suffix

mov x29, sp

^

gcc_arm64.S:34:16: error: brackets expression not supported on this target

stp x19, x20, [sp, #80]

^

gcc_arm64.S:37:16: error: brackets expression not supported on this target

stp x21, x22, [sp, #64]

^

gcc_arm64.S:40:16: error: brackets expression not supported on this target

stp x23, x24, [sp, #48]

^

gcc_arm64.S:43:16: error: brackets expression not supported on this target

stp x25, x26, [sp, #32]

^

gcc_arm64.S:46:16: error: brackets expression not supported on this target

stp x27, x28, [sp, #16]

^

gcc_arm64.S:50:2: error: unknown use of instruction mnemonic without a size suffix

mov x19, x0

^

gcc_arm64.S:51:2: error: unknown use of instruction mnemonic without a size suffix

mov x20, x1

^

gcc_arm64.S:52:2: error: unknown use of instruction mnemonic without a size suffix

mov x0, x2

^

gcc_arm64.S:54:2: error: invalid instruction mnemonic 'blr'

blr x20

^~~

gcc_arm64.S:55:2: error: invalid instruction mnemonic 'blr'

blr x19

^~~

gcc_arm64.S:57:16: error: brackets expression not supported on this target

ldp x27, x28, [sp, #16]

^

gcc_arm64.S:60:16: error: brackets expression not supported on this target

ldp x25, x26, [sp, #32]

^

gcc_arm64.S:63:16: error: brackets expression not supported on this target

ldp x23, x24, [sp, #48]

^

gcc_arm64.S:66:16: error: brackets expression not supported on this target

ldp x21, x22, [sp, #64]

^

gcc_arm64.S:69:16: error: brackets expression not supported on this target

ldp x19, x20, [sp, #80]

^

gcc_arm64.S:72:16: error: brackets expression not supported on this target

ldp x29, x30, [sp], #96

  • Tested Case 5: Use go1.16.darwin.arm64 to build go1.17.3.darwin.arm64
Output
$ GOOS=ios GOARCH=arm64 CGO_ENABLED=1 ./bootstrap.bash                                                                                                                                                       [9:20:41]
#### Copying to ../../go-ios-arm64-bootstrap

Cleaning ../../go-ios-arm64-bootstrap


Building ../../go-ios-arm64-bootstrap


Building Go cmd/dist using /Users/changkun/goes/go1.16-arm64. (go1.16 darwin/arm64)

Building Go toolchain1 using /Users/changkun/goes/go1.16-arm64.

Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.

Building Go toolchain2 using go_bootstrap and Go toolchain1.

Building Go toolchain3 using go_bootstrap and Go toolchain2.

Building packages and commands for host, darwin/arm64.

Building packages and commands for target, ios/arm64.


Bootstrap toolchain for ios/arm64 installed in /Users/changkun/goes/go-ios-arm64-bootstrap.

Building tbz.

-rw-r--r--  1 changkun  admin  136713892 Nov 29 09:22 /Users/changkun/goes/go-ios-arm64-bootstrap.tbz

$ scp ../../go-ios-arm64-bootstrap.tbz ios:/var/root

go-ios-arm64-bootstrap.tbz                         100%  130MB   3.4MB/s   00:38

$ ios tar xjf go-ios-arm64-bootstrap.tbz

$ ios find go-ios-arm64-bootstrap -executable -type f | ios xargs -n1 ldid -S

$ ios go-ios-arm64-bootstrap/bin/go version

dyld: in '/private/var/root/go-ios-arm64-bootstrap/bin/go' segment filesize exceeds vmsize

Case 5 can build a bootstrap successfully but cannot execute the go command on iOS, the key error message:

$ ios go-ios-arm64-bootstrap/bin/go version
dyld: in '/private/var/root/go-ios-arm64-bootstrap/bin/go' segment filesize exceeds vmsize
@changkun changkun changed the title cmd/go: cannot build valid bootstrap for GOOS=ios GOARCH=amd64 cmd/go: cannot build valid bootstrap for GOOS=ios GOARCH=arm64 Nov 29, 2021
@cherrymui
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Have you tried setting CC_FOR_TARGET=GOROOT/misc/ios/clangwrap.sh ? See also https://cs.opensource.google/go/go/+/master:misc/ios/README

@mknyszek mknyszek added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 30, 2021
@mknyszek mknyszek added this to the Backlog milestone Nov 30, 2021
@mknyszek
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Is this an issue at tip?

@cherrymui is cmd/go the right place for this?

@changkun
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Thanks a lot! That's the missing setting. Let's see if the new bootstrap could fix failures on the iOS builders, such as https://build.golang.org/log/1506b5dc8e4ce7c3722f5a44bc3de9ea2270818a.

Close for now.

@golang golang locked and limited conversation to collaborators Nov 30, 2022
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