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