+
+static inline int pp_cmp_func(const struct parsed_proto *pp1,
+ const struct parsed_proto *pp2)
+{
+ int i;
+
+ if (pp1->argc != pp2->argc || pp1->argc_reg != pp2->argc_reg)
+ return 1;
+ if (pp1->is_stdcall != pp2->is_stdcall)
+ return 1;
+
+ // because of poor void return detection, return is not
+ // checked for now to avoid heaps of false positives
+
+ for (i = 0; i < pp1->argc; i++) {
+ if ((pp1->arg[i].reg != NULL) != (pp2->arg[i].reg != NULL))
+ return 1;
+
+ if ((pp1->arg[i].reg != NULL)
+ && !IS(pp1->arg[i].reg, pp2->arg[i].reg))
+ {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static inline int pp_compatible_func(
+ const struct parsed_proto *pp_site,
+ const struct parsed_proto *pp_callee)
+{
+ if (pp_cmp_func(pp_site, pp_callee) == 0)
+ return 1;
+
+ if (pp_site->argc_stack == 0 && pp_site->is_fastcall
+ && pp_callee->argc_stack == 0
+ && (pp_callee->is_fastcall || pp_callee->argc_reg == 0)
+ && pp_site->argc_reg > pp_callee->argc_reg)
+ /* fascall compatible callee doesn't use all args -> ok */
+ return 1;
+
+ return 0;
+}
+
+static inline void pp_print(char *buf, size_t buf_size,
+ const struct parsed_proto *pp)
+{
+ size_t l;
+ int i;
+
+ snprintf(buf, buf_size, "%s %s(", pp->ret_type.name, pp->name);
+ l = strlen(buf);
+
+ for (i = 0; i < pp->argc_reg; i++) {
+ snprintf(buf + l, buf_size - l, "%s%s",
+ i == 0 ? "" : ", ", pp->arg[i].reg);
+ l = strlen(buf);
+ }
+ if (pp->argc_stack > 0) {
+ snprintf(buf + l, buf_size - l, "%s{%d stack}",
+ i == 0 ? "" : ", ", pp->argc_stack);
+ l = strlen(buf);
+ }
+ snprintf(buf + l, buf_size - l, ")");
+}
+