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70 lines
2.1 KiB
Bash
70 lines
2.1 KiB
Bash
#!/bin/bash
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# We can rewrite this bash script in Go if a dependency on bash and coreutils
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# is a problem during development.
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goroot=$(go env GOROOT)
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go_version=$(go env GOVERSION) # not "go version", to exclude GOOS/GOARCH
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runtime_and_deps=$(go list -deps runtime)
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# All packages that the runtime linknames to, except runtime and its dependencies.
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# This resulting list is what we need to "go list" when obfuscating the runtime,
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# as they are the packages that we may be missing.
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runtime_linknamed=$(comm -23 <(
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sed -rn 's@//go:linkname .* ([^.]*)\.[^.]*@\1@p' "${goroot}"/src/runtime/*.go | grep -vE '^main|^runtime\.|_test$' | sort -u
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) <(
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# Note that we assume this is constant across platforms.
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go list -deps runtime | sort -u
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))
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compiler_intrinsics_table="$(sed -rn 's@.*\b(addF|alias)\("([^"]*)", "([^"]*)",.*@\2 \3@p' "${goroot}"/src/cmd/compile/internal/ssagen/ssa.go | sort -u)"
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compiler_intrinsics_paths="$(while read path name; do
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echo ${path}
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done <<<"${compiler_intrinsics_table}" | sort -u)"
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gofmt >go_std_tables.go <<EOF
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// Code generated by scripts/gen-go-std-tables.sh; DO NOT EDIT.
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// Generated from Go version ${go_version}.
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package main
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var runtimeAndDeps = map[string]bool{
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$(for path in ${runtime_and_deps}; do
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echo "\"${path}\": true,"
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done)
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// Not runtime dependencies, but still use tricks allowed by import path.
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// TODO: collect directly from cmd/internal/objabi/pkgspecial.go,
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// in this particular case from allowAsmABIPkgs.
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"reflect": true,
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"syscall": true,
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"runtime/internal/startlinetest": true,
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}
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var runtimeLinknamed = []string{
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$(for path in ${runtime_linknamed}; do
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echo "\"${path}\"",
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done)
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// The net package linknames to the runtime, not the other way around.
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// TODO: support this automatically via our script.
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"net",
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}
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var compilerIntrinsicsPkgs = map[string]bool{
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$(for path in ${compiler_intrinsics_paths}; do
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echo "\"${path}\": true,"
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done)
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}
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var compilerIntrinsicsFuncs = map[string]bool{
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$(while read path name; do
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echo "\"${path}.${name}\": true,"
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done <<<"${compiler_intrinsics_table}")
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}
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var reflectSkipPkg = map[string]bool{
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"fmt": true,
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}
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EOF
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