;; Test `call_indirect` operator (module ;; Auxiliary definitions (type $proc (func)) (type $out-i32 (func (result i32))) (type $out-i64 (func (result i64))) (type $out-f32 (func (result f32))) (type $out-f64 (func (result f64))) (type $over-i32 (func (param i32) (result i32))) (type $over-i64 (func (param i64) (result i64))) (type $over-f32 (func (param f32) (result f32))) (type $over-f64 (func (param f64) (result f64))) (type $f32-i32 (func (param f32 i32) (result i32))) (type $i32-i64 (func (param i32 i64) (result i64))) (type $f64-f32 (func (param f64 f32) (result f32))) (type $i64-f64 (func (param i64 f64) (result f64))) (type $over-i32-duplicate (func (param i32) (result i32))) (type $over-i64-duplicate (func (param i64) (result i64))) (type $over-f32-duplicate (func (param f32) (result f32))) (type $over-f64-duplicate (func (param f64) (result f64))) (func $const-i32 (type $out-i32) (i32.const 0x132)) (func $const-i64 (type $out-i64) (i64.const 0x164)) (func $const-f32 (type $out-f32) (f32.const 0xf32)) (func $const-f64 (type $out-f64) (f64.const 0xf64)) (func $id-i32 (type $over-i32) (local.get 0)) (func $id-i64 (type $over-i64) (local.get 0)) (func $id-f32 (type $over-f32) (local.get 0)) (func $id-f64 (type $over-f64) (local.get 0)) (func $i32-i64 (type $i32-i64) (local.get 1)) (func $i64-f64 (type $i64-f64) (local.get 1)) (func $f32-i32 (type $f32-i32) (local.get 1)) (func $f64-f32 (type $f64-f32) (local.get 1)) (func $over-i32-duplicate (type $over-i32-duplicate) (local.get 0)) (func $over-i64-duplicate (type $over-i64-duplicate) (local.get 0)) (func $over-f32-duplicate (type $over-f32-duplicate) (local.get 0)) (func $over-f64-duplicate (type $over-f64-duplicate) (local.get 0)) (table funcref (elem $const-i32 $const-i64 $const-f32 $const-f64 $id-i32 $id-i64 $id-f32 $id-f64 $f32-i32 $i32-i64 $f64-f32 $i64-f64 $fac $fib $even $odd $runaway $mutual-runaway1 $mutual-runaway2 $over-i32-duplicate $over-i64-duplicate $over-f32-duplicate $over-f64-duplicate ) ) ;; Typing (func (export "type-i32") (result i32) (call_indirect (type $out-i32) (i32.const 0))) (func (export "type-i64") (result i64) (call_indirect (type $out-i64) (i32.const 1))) (func (export "type-f32") (result f32) (call_indirect (type $out-f32) (i32.const 2))) (func (export "type-f64") (result f64) (call_indirect (type $out-f64) (i32.const 3))) (func (export "type-index") (result i64) (call_indirect (type $over-i64) (i64.const 100) (i32.const 5)) ) (func (export "type-first-i32") (result i32) (call_indirect (type $over-i32) (i32.const 32) (i32.const 4)) ) (func (export "type-first-i64") (result i64) (call_indirect (type $over-i64) (i64.const 64) (i32.const 5)) ) (func (export "type-first-f32") (result f32) (call_indirect (type $over-f32) (f32.const 1.32) (i32.const 6)) ) (func (export "type-first-f64") (result f64) (call_indirect (type $over-f64) (f64.const 1.64) (i32.const 7)) ) (func (export "type-second-i32") (result i32) (call_indirect (type $f32-i32) (f32.const 32.1) (i32.const 32) (i32.const 8)) ) (func (export "type-second-i64") (result i64) (call_indirect (type $i32-i64) (i32.const 32) (i64.const 64) (i32.const 9)) ) (func (export "type-second-f32") (result f32) (call_indirect (type $f64-f32) (f64.const 64) (f32.const 32) (i32.const 10)) ) (func (export "type-second-f64") (result f64) (call_indirect (type $i64-f64) (i64.const 64) (f64.const 64.1) (i32.const 11)) ) ;; Dispatch (func (export "dispatch") (param i32 i64) (result i64) (call_indirect (type $over-i64) (local.get 1) (local.get 0)) ) (func (export "dispatch-structural") (param i32) (result i64) (call_indirect (type $over-i64-duplicate) (i64.const 9) (local.get 0)) ) ;; Recursion (func $fac (export "fac") (type $over-i64) (if i64 (i64.eqz (local.get 0)) (i64.const 1) (i64.mul (local.get 0) (call_indirect (type $over-i64) (i64.sub (local.get 0) (i64.const 1)) (i32.const 12) ) ) ) ) (func $fib (export "fib") (type $over-i64) (if i64 (i64.le_u (local.get 0) (i64.const 1)) (i64.const 1) (i64.add (call_indirect (type $over-i64) (i64.sub (local.get 0) (i64.const 2)) (i32.const 13) ) (call_indirect (type $over-i64) (i64.sub (local.get 0) (i64.const 1)) (i32.const 13) ) ) ) ) (func $even (export "even") (param i32) (result i32) (if i32 (i32.eqz (local.get 0)) (i32.const 44) (call_indirect (type $over-i32) (i32.sub (local.get 0) (i32.const 1)) (i32.const 15) ) ) ) (func $odd (export "odd") (param i32) (result i32) (if i32 (i32.eqz (local.get 0)) (i32.const 99) (call_indirect (type $over-i32) (i32.sub (local.get 0) (i32.const 1)) (i32.const 14) ) ) ) ;; Stack exhaustion ;; Implementations are required to have every call consume some abstract ;; resource towards exhausting some abstract finite limit, such that ;; infinitely recursive test cases reliably trap in finite time. This is ;; because otherwise applications could come to depend on it on those ;; implementations and be incompatible with implementations that don't do ;; it (or don't do it under the same circumstances). (func $runaway (export "runaway") (call_indirect (type $proc) (i32.const 16))) (func $mutual-runaway1 (export "mutual-runaway") (call_indirect (type $proc) (i32.const 18))) (func $mutual-runaway2 (call_indirect (type $proc) (i32.const 17))) ) (assert_return (invoke "type-i32") (i32.const 0x132)) (assert_return (invoke "type-i64") (i64.const 0x164)) (assert_return (invoke "type-f32") (f32.const 0xf32)) (assert_return (invoke "type-f64") (f64.const 0xf64)) (assert_return (invoke "type-index") (i64.const 100)) (assert_return (invoke "type-first-i32") (i32.const 32)) (assert_return (invoke "type-first-i64") (i64.const 64)) (assert_return (invoke "type-first-f32") (f32.const 1.32)) (assert_return (invoke "type-first-f64") (f64.const 1.64)) (assert_return (invoke "type-second-i32") (i32.const 32)) (assert_return (invoke "type-second-i64") (i64.const 64)) (assert_return (invoke "type-second-f32") (f32.const 32)) (assert_return (invoke "type-second-f64") (f64.const 64.1)) (assert_return (invoke "dispatch" (i32.const 5) (i64.const 2)) (i64.const 2)) (assert_return (invoke "dispatch" (i32.const 5) (i64.const 5)) (i64.const 5)) (assert_return (invoke "dispatch" (i32.const 12) (i64.const 5)) (i64.const 120)) (assert_return (invoke "dispatch" (i32.const 13) (i64.const 5)) (i64.const 8)) (assert_return (invoke "dispatch" (i32.const 20) (i64.const 2)) (i64.const 2)) (assert_trap (invoke "dispatch" (i32.const 0) (i64.const 2)) "indirect call signature mismatch") (assert_trap (invoke "dispatch" (i32.const 15) (i64.const 2)) "indirect call signature mismatch") (assert_trap (invoke "dispatch" (i32.const 23) (i64.const 2)) "undefined element") (assert_trap (invoke "dispatch" (i32.const -1) (i64.const 2)) "undefined element") (assert_trap (invoke "dispatch" (i32.const 1213432423) (i64.const 2)) "undefined element") (assert_return (invoke "dispatch-structural" (i32.const 5)) (i64.const 9)) (assert_return (invoke "dispatch-structural" (i32.const 5)) (i64.const 9)) (assert_return (invoke "dispatch-structural" (i32.const 12)) (i64.const 362880)) (assert_return (invoke "dispatch-structural" (i32.const 20)) (i64.const 9)) (assert_trap (invoke "dispatch-structural" (i32.const 11)) "indirect call signature mismatch") (assert_trap (invoke "dispatch-structural" (i32.const 22)) "indirect call signature mismatch") (assert_return (invoke "fac" (i64.const 0)) (i64.const 1)) (assert_return (invoke "fac" (i64.const 1)) (i64.const 1)) (assert_return (invoke "fac" (i64.const 5)) (i64.const 120)) (assert_return (invoke "fac" (i64.const 25)) (i64.const 7034535277573963776)) (assert_return (invoke "fib" (i64.const 0)) (i64.const 1)) (assert_return (invoke "fib" (i64.const 1)) (i64.const 1)) (assert_return (invoke "fib" (i64.const 2)) (i64.const 2)) (assert_return (invoke "fib" (i64.const 5)) (i64.const 8)) (assert_return (invoke "fib" (i64.const 20)) (i64.const 10946)) (assert_return (invoke "even" (i32.const 0)) (i32.const 44)) (assert_return (invoke "even" (i32.const 1)) (i32.const 99)) (assert_return (invoke "even" (i32.const 10)) (i32.const 44)) (assert_return (invoke "even" (i32.const 7)) (i32.const 99)) (assert_return (invoke "odd" (i32.const 0)) (i32.const 99)) (assert_return (invoke "odd" (i32.const 1)) (i32.const 44)) (assert_return (invoke "odd" (i32.const 20)) (i32.const 99)) (assert_return (invoke "odd" (i32.const 7)) (i32.const 44)) (assert_trap (invoke "runaway") "call stack exhausted") (assert_trap (invoke "mutual-runaway") "call stack exhausted") ;; Invalid typing (assert_invalid (module (type (func)) (func $no-table (call_indirect (type 0) (i32.const 0))) ) "unknown table" ) (assert_invalid (module (type (func)) (table 0 funcref) (func $type-void-vs-num (i32.eqz (call_indirect (type 0) (i32.const 0)))) ) "type mismatch" ) (assert_invalid (module (type (func (result i64))) (table 0 funcref) (func $type-num-vs-num (i32.eqz (call_indirect (type 0) (i32.const 0)))) ) "type mismatch" ) (assert_invalid (module (type (func (param i32))) (table 0 funcref) (func $arity-0-vs-1 (call_indirect (type 0) (i32.const 0))) ) "type mismatch" ) (assert_invalid (module (type (func (param f64 i32))) (table 0 funcref) (func $arity-0-vs-2 (call_indirect (type 0) (i32.const 0))) ) "type mismatch" ) (assert_invalid (module (type (func)) (table 0 funcref) (func $arity-1-vs-0 (call_indirect (type 0) (i32.const 1) (i32.const 0))) ) "type mismatch" ) (assert_invalid (module (type (func)) (table 0 funcref) (func $arity-2-vs-0 (call_indirect (type 0) (f64.const 2) (i32.const 1) (i32.const 0)) ) ) "type mismatch" ) (assert_invalid (module (type (func (param i32))) (table 0 funcref) (func $type-func-void-vs-i32 (call_indirect (type 0) (i32.const 1) (nop))) ) "type mismatch" ) (assert_invalid (module (type (func (param i32))) (table 0 funcref) (func $type-func-num-vs-i32 (call_indirect (type 0) (i32.const 0) (i64.const 1))) ) "type mismatch" ) (assert_invalid (module (type (func (param i32 i32))) (table 0 funcref) (func $type-first-void-vs-num (call_indirect (type 0) (nop) (i32.const 1) (i32.const 0)) ) ) "type mismatch" ) (assert_invalid (module (type (func (param i32 i32))) (table 0 funcref) (func $type-second-void-vs-num (call_indirect (type 0) (i32.const 1) (nop) (i32.const 0)) ) ) "type mismatch" ) (assert_invalid (module (type (func (param i32 f64))) (table 0 funcref) (func $type-first-num-vs-num (call_indirect (type 0) (f64.const 1) (i32.const 1) (i32.const 0)) ) ) "type mismatch" ) (assert_invalid (module (type (func (param f64 i32))) (table 0 funcref) (func $type-second-num-vs-num (call_indirect (type 0) (i32.const 1) (f64.const 1) (i32.const 0)) ) ) "type mismatch" ) ;; Unbound type (assert_invalid (module (table 0 funcref) (func $unbound-type (call_indirect (type 1) (i32.const 0))) ) "unknown type" ) (assert_invalid (module (table 0 funcref) (func $large-type (call_indirect (type 1012321300) (i32.const 0))) ) "unknown type" )