# 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 { if (test) { print "\n#include <stdio.h>"; print "\nstatic int do_test (void)\n{\n int bad = 0, good = 0;\n"; print "#define TEST(name, source, expr) \\\n" \ " if (asconst_##name != (expr)) { ++bad;" \ " fprintf (stderr, \"%s: %s is %ld but %s is %ld\\n\"," \ " source, #name, (long int) asconst_##name, #expr, (long int) (expr));" \ " } else ++good;\n"; } else print "void dummy(void) {"; started = 1; } # Separator. $1 == "--" { next } NF == 1 { sub(/^.*$/, "& &"); } NF > 1 { name = $1; sub(/^[^ ]+[ ]+/, ""); if (test) print " TEST (" name ", \"" FILENAME ":" FNR "\", " $0 ")"; else printf "asm (\"@@@name@@@%s@@@value@@@%%0@@@end@@@\" : : \"i\" (%s));\n", name, $0; } END { if (test) { print " printf (\"%d errors in %d tests\\n\", bad, good + bad);" print " return bad != 0 || good == 0;\n}\n"; print "#define TEST_FUNCTION do_test ()"; } else if (started) print "}"; }