| # 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; |
| } |
| |
| # Separator. |
| $1 == "--" { next } |
| |
| NF == 1 { sub(/^.*$/, "& &"); } |
| |
| NF > 1 { |
| name = $1; |
| sub(/^[^ ]+[ ]+/, ""); |
| printf "asm (\"@@@name@@@%s@@@value@@@%%0@@@end@@@\" : : \"i\" (%s));\n", |
| name, $0; |
| } |
| |
| END { if (started) print "}" } |