Hi!
I'm trying to compile a part of the geth-client with the current gollvm
build. But it fails in this file:
https://github.com/ethereum/go-ethereum/blob/master/crypto/bn256/cloudflare/gfp_amd64.s
Here is an exempt from the error:
root@llvmbuilder-successful-s-1vcpu-2gb-fra1-s-1vcpu-2gb-fra1-01:~/compile#
go build -tags gofuzz -buildmode=c-shared -o ./geth-runtime-gollvm.so
./main.go
# github.com/ethereum/go-ethereum/crypto/bn256/cloudflare
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:
Assembler messages:
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:4:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:4:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:5:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:5:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:6:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:6:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:7:
Error: too many memory references for `movq'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:10:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:10:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:11:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:11:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:12:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:12:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:13:
Error: too many memory references for `movq'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:16:
Error: junk at end of line, first unrecognized character is `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:17:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:17:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:18:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:18:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:19:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:19:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:20:
Warning: stray `\'
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:20:
Error: invalid character '\' in operand 2
../go/src/github.com/ethereum/go-ethereum/crypto/bn256/cloudflare/gfp_amd64.s:21:
Warning: stray `\'
[...]
When I compile this with the regular go build command it works without
issue. It seems the compilation fails due to the multiline definitions.
Does someone have an idea how I can fix this? I guess there is something
missing in the gollvm implementation that handles this?
If you want to try it yourself do this:
go get github.com/ethereum/go-ethereum/
printf "package main\nimport \"C\"\nimport
\"github.com/ethereum/go-ethereum/core/vm/runtime\"\nfunc main(){}//export
Fuzz\nfunc Fuzz(data []byte){\nruntime.Fuzz(data)\n}\n" > ./main.go
go build -tags gofuzz -buildmode=c-shared -o ./geth-runtime-gollvm.so
./main.go
This will create a main.go file in the current directory with the necessary
stub for compilation in c-shared mode.
Cheers,
Benedikt
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