ref: 647f85d6fac7e0aee9881909cd5086941e3d11c7
dir: /as/target/x86/gen.awk/
BEGIN {
FS = "\t"
printf "#include \"../../../inc/scc.h\"\n"\
"#include \"../../as.h\"\n"\
"#include \"ins.h\"\n\n"
nop = 0; nvar = 0
}
{sub(/#.*/,"")}
/^$/ {next}
{
if (opstart[$1] == 0) {
opstart[$1] = nvar
opnames[nop++] = $1
}
opcount[$1]++
opargs[nvar] = $2
opsize[nvar] = $3
opbytes[nvar] = $4
opformat[nvar++] = $5
}
END {
printf "int nr_ins = %d;\n\n", nop
print "struct ins instab[] = {"
for (i = 0; i < nop; i++) {
n = opnames[i]
start = opstart[n]
end = start + opcount[n]
printf "\t{.str = \"%s\", .begin = %d, .end = %d},\n",
n, start, end | "sort"
}
close("sort")
printf "};\n\n"
print "struct op optab[] = {"
for (i = 0; i < nvar; i++) {
printf "\t{\n" \
"\t\t.bytes = (char []) {%s},\n"\
"\t\t.size = %d,\n"\
"\t\t.format = %s,\n"\
"\t\t.args = \"%s\"\n"\
"\t},\n",
opbytes[i], opsize[i], opformat[i], str2args(opargs[i])
}
print "};"
}
function str2args(s)
{
return ""
}