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#!/bin/bash -e
eval $(go env)
workdir=$(mktemp -d)
# Provide stub "go_asm.h".
include=${workdir}/include
mkdir -p ${include}
echo '#define get_tls ' > ${include}/go_asm.h
# Preprocess all assembly files.
asm=${workdir}/all.s
find ${GOROOT}/src -name '*_amd64.s' | grep -v testdata | while read s; do
gcc -E -I${GOROOT}/pkg/include -I${include} ${s} >>${asm}
done
# Extract instructions.
awk '/^[[:space:]]+[A-Z0-9]+[[:space:]]+/ { print $1 }' ${asm} | \
sort | uniq | \
grep -Ev '(TEXT|FUNCDATA|PCDATA|BYTE|WORD)'
# Clean.
rm -rf ${workdir}
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