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#!/usr/bin/gawk -f
# This script expects tools/lib/bpf/libbpf.c as input.
function trim(str, left, right) {
str = gensub("^[\t ]*" left, "", "g", str)
return gensub(right "$", "", "g", str)
}
BEGIN {
print "// Code generated by internal/cmd/gensections.awk; DO NOT EDIT."
print ""
print "package ebpf"
print ""
print "// Code in this file is derived from libbpf, available under BSD-2-Clause."
print ""
print "import \"github.com/cilium/ebpf/internal/sys\""
print ""
print "var elfSectionDefs = []libbpfElfSectionDef{"
FS=","
}
/\tSEC_DEF/ {
pattern = trim(substr($1, 10))
prog_type = "sys.BPF_PROG_TYPE_" trim($2)
attach_type = trim($3)
attach_type = attach_type == "0" ? "0" : "sys." attach_type
flags = trim($4, "", ")")
flags = gensub("SEC_", "_SEC_", "g", flags)
printf "\t{%s, %s, %s, %s},\n", pattern, prog_type, attach_type, flags;
}
END {
print "}"
print ""
}
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