+
+lispobj
+alloc_code_object (unsigned boxed, unsigned unboxed) {
+ struct code * code;
+ /* Coming in, boxed is the number of boxed words requested.
+ * Converting it to a fixnum makes it measured in bytes. It's also
+ * rounded up to double word along the way. */
+ boxed = (boxed + 1 +
+ (offsetof(struct code, trace_table_offset) >>
+ WORD_SHIFT)) << WORD_SHIFT;
+ boxed &= ~LOWTAG_MASK;
+
+ /* Unboxed is in bytes, round it up to double word boundary. Now
+ * it's also a fixnum containing the number of unboxed words. */
+ unboxed += LOWTAG_MASK;
+ unboxed &= ~LOWTAG_MASK;
+
+ code = (struct code *)pa_alloc(boxed + unboxed, CODE_PAGE_FLAG);
+
+ /* It used to be that even on gencgc builds the
+ * ALLOCATE-CODE-OBJECT VOP did all this initialization within
+ * pseudo atomic. Here, we rely on gc being inhibited. */
+ if (SymbolValue(GC_INHIBIT, arch_os_get_current_thread()) == NIL)
+ lose("alloc_code_object called with GC enabled.");
+ boxed = boxed << (N_WIDETAG_BITS - WORD_SHIFT);
+ code->header = boxed | CODE_HEADER_WIDETAG;
+ code->code_size = unboxed >> (WORD_SHIFT - N_FIXNUM_TAG_BITS);
+ code->entry_points = NIL;
+ code->debug_info = NIL;
+ return make_lispobj(code, OTHER_POINTER_LOWTAG);
+}