ref: c57f6ab5442e2be1500b5e8e280de537eced19d7
dir: /support/acid/myr/
// acid support for Myrddin. // Myrddin doesn't use the Plan 9 ABI, so we // define our own stack function. defn myrstk() { local b b = *BP; while *b do { line = pcline(*(b + 8)); file = pcfile(*(b + 8)); func = fmt(*(b + 8), 'a'); print(file, ":", line, ":\t", func, "\n"); b = *b; } }