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willnode/redox_gen_go_types.sh

Created September 2, 2025 02:13
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  1. willnode created this gist Sep 2, 2025.
    29 changes: 29 additions & 0 deletions redox_gen_go_types.sh
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    Original file line number Diff line number Diff line change
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    # A script to generate Redox syscalls in Go source files, put this script to "src" folder
    # You must have Redox build system in $HOME/redox with "prefix" generated
    # You must have "$ARCH-unknown-redox-gcc" in your PATH, add it from Redox build system
    # mkerrors: You need to patch "$CC" to "gcc" at the bottom of the script, also "$(uname)" to "Redox"
    # mkerrors: You need to comment out "#include <netinet/ip6.h>" and "#include <sys/signal.h>" since Redox doesn't have it

    export ARCH=x86_64 GOARCH=amd64 # intentionally not setting GOOS since "go" run on vanilla Go
    export redox_sysroot="$HOME/redox/prefix/$ARCH-unknown-redox/sysroot/$ARCH-unknown-redox"
    export CGO_FLAGS="--sysroot=${redox_sysroot}" \
    CC=$ARCH-unknown-redox-gcc TARGET=$ARCH-unknown-redox GNU_TARGET=$ARCH-unknown-redox \
    CFLAGS="-I${redox_sysroot}/include"


    cd syscall
    go tool cgo -godefs types_redox.go | go run mkpost.go > ztypes_redox_$GOARCH.go
    ./mksyscall_libc.pl -redox -tags redox,$GOARCH syscall_redox.go > zsyscall_redox_$GOARCH.go
    bash ./mkerrors.sh > zerrors_redox_$GOARCH.go
    cd ..

    cd cmd/vendor/golang.org/x/sys/unix
    (GOOS=redox bash ./mkerrors.sh > zerrors_redox_$GOARCH.go)
    sed -i s/sizeOf/SizeOf/g zerrors_redox_$GOARCH.go
    cd ../../../../../..

    cd runtime
    # prefixed with ~, see https://github.com/golang/go/issues/23341
    # we have to make it as close as possible by our hand :(
    go tool cgo -godefs defs_redox.go > defs_redox_$GOARCH.go~
    cd ..