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# Script used in producing headers of assembly constants from C expressions.
# The input to this script looks like:
# #cpp-directive ...
# NAME1
# NAME2 expression ...
# The output of this script is C code to be run through gcc -S and then
# massaged to extract the integer constant values of the given C expressions.
# A line giving just a name implies an expression consisting of just that name.
BEGIN { started = 0 }
# cpp directives go straight through.
/^#/ { print; next }
NF >= 1 && !started {
print "void dummy(void) {";
started = 1;
}
NF == 1 { sub(/^.*$/, "& &"); }
NF > 1 {
name = $1;
sub(/^[^ ]+[ ]+/, "");
printf "asm (\"@@@name@@@%s@@@value@@@%%0@@@end@@@\" : : \"i\" (%s));\n",
name, $0;
}
END { if (started) print "}" }
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