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-rw-r--r--js/src/jit-test/tests/wasm/gc/structs.js724
1 files changed, 724 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/gc/structs.js b/js/src/jit-test/tests/wasm/gc/structs.js
new file mode 100644
index 0000000000..388541c4ee
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/gc/structs.js
@@ -0,0 +1,724 @@
+// |jit-test| skip-if: !wasmGcEnabled()
+
+// This tests a bunch of wasm struct stuff, but not i8 or i16 fields.
+// See structs2.js for i8/i16 field tests.
+
+var conf = getBuildConfiguration();
+
+var bin = wasmTextToBinary(
+ `(module
+ (func $x1 (import "m" "x1") (type $f1))
+ (func $x2 (import "m" "x2") (type $f2))
+
+ (table 2 funcref)
+ (elem (i32.const 0) $doit $doitagain)
+
+ ;; Type array has a mix of types
+
+ (type $f1 (func (param i32) (result i32)))
+
+ (type $point (struct
+ (field $point_x i32)
+ (field $point_y i32)))
+
+ (type $f2 (func (param f64) (result f64)))
+
+ (type $int_node (struct
+ (field $intbox_val (mut i32))
+ (field $intbox_next (mut externref))))
+
+ ;; Test all the types.
+
+ (type $omni (struct
+ (field $omni_i32 i32)
+ (field $omni_i32m (mut i32))
+ (field $omni_i64 i64)
+ (field $omni_i64m (mut i64))
+ (field $omni_f32 f32)
+ (field $omni_f32m (mut f32))
+ (field $omni_f64 f64)
+ (field $omni_f64m (mut f64))
+ (field $omni_externref externref)
+ (field $omni_externrefm (mut externref))))
+
+ ;; Various ways to reference a type in the middle of the
+ ;; type array, make sure we get the right one
+
+ (func (export "hello") (param f64) (param i32) (result f64)
+ (call_indirect (type $f2) (local.get 0) (local.get 1)))
+
+ (func $doit (param f64) (result f64)
+ (f64.sqrt (local.get 0)))
+
+ (func $doitagain (param f64) (result f64)
+ (f64.mul (local.get 0) (local.get 0)))
+
+ (func (export "x1") (param i32) (result i32)
+ (call $x1 (local.get 0)))
+
+ (func (export "x2") (param f64) (result f64)
+ (call $x2 (local.get 0)))
+
+ ;; Useful for testing to ensure that the type is not type #0 here.
+
+ (func (export "mk_point") (result eqref)
+ (struct.new $point (i32.const 37) (i32.const 42)))
+
+ (func (export "mk_int_node") (param i32) (param externref) (result eqref)
+ (struct.new $int_node (local.get 0) (local.get 1)))
+
+ ;; Too big to fit in an InlineTypedObject.
+
+ (type $bigger (struct
+ (field $a i32)
+ (field $b i32)
+ (field $c i32)
+ (field $d i32)
+ (field $e i32)
+ (field $f i32)
+ (field $g i32)
+ (field $h i32)
+ (field $i i32)
+ (field $j i32)
+ (field $k i32)
+ (field $l i32)
+ (field $m i32)
+ (field $n i32)
+ (field $o i32)
+ (field $p i32)
+ (field $q i32)
+ (field $r i32)
+ (field $s i32)
+ (field $t i32)
+ (field $u i32)
+ (field $v i32)
+ (field $w i32)
+ (field $x i32)
+ (field $y i32)
+ (field $z i32)
+ (field $aa i32)
+ (field $ab i32)
+ (field $ac i32)
+ (field $ad i32)
+ (field $ae i32)
+ (field $af i32)
+ (field $ag i32)
+ (field $ah i32)
+ (field $ai i32)
+ (field $aj i32)
+ (field $ak i32)
+ (field $al i32)
+ (field $am i32)
+ (field $an i32)
+ (field $ao i32)
+ (field $ap i32)
+ (field $aq i32)
+ (field $ar i32)
+ (field $as i32)
+ (field $at i32)
+ (field $au i32)
+ (field $av i32)
+ (field $aw i32)
+ (field $ax i32)
+ (field $ay i32)
+ (field $az i32)))
+
+ (func (export "mk_bigger") (result eqref)
+ (struct.new $bigger
+ (i32.const 0)
+ (i32.const 1)
+ (i32.const 2)
+ (i32.const 3)
+ (i32.const 4)
+ (i32.const 5)
+ (i32.const 6)
+ (i32.const 7)
+ (i32.const 8)
+ (i32.const 9)
+ (i32.const 10)
+ (i32.const 11)
+ (i32.const 12)
+ (i32.const 13)
+ (i32.const 14)
+ (i32.const 15)
+ (i32.const 16)
+ (i32.const 17)
+ (i32.const 18)
+ (i32.const 19)
+ (i32.const 20)
+ (i32.const 21)
+ (i32.const 22)
+ (i32.const 23)
+ (i32.const 24)
+ (i32.const 25)
+ (i32.const 26)
+ (i32.const 27)
+ (i32.const 28)
+ (i32.const 29)
+ (i32.const 30)
+ (i32.const 31)
+ (i32.const 32)
+ (i32.const 33)
+ (i32.const 34)
+ (i32.const 35)
+ (i32.const 36)
+ (i32.const 37)
+ (i32.const 38)
+ (i32.const 39)
+ (i32.const 40)
+ (i32.const 41)
+ (i32.const 42)
+ (i32.const 43)
+ (i32.const 44)
+ (i32.const 45)
+ (i32.const 46)
+ (i32.const 47)
+ (i32.const 48)
+ (i32.const 49)
+ (i32.const 50)
+ (i32.const 51)))
+
+ (type $withfloats (struct
+ (field $f1 f32)
+ (field $f2 f64)
+ (field $f3 externref)
+ (field $f4 f32)
+ (field $f5 i32)))
+
+ (func (export "mk_withfloats")
+ (param f32) (param f64) (param externref) (param f32) (param i32)
+ (result eqref)
+ (struct.new $withfloats (local.get 0) (local.get 1) (local.get 2) (local.get 3) (local.get 4)))
+
+ )`)
+
+var mod = new WebAssembly.Module(bin);
+var ins = new WebAssembly.Instance(mod, {m:{x1(x){ return x*3 }, x2(x){ return Math.PI }}}).exports;
+
+assertEq(ins.hello(4.0, 0), 2.0)
+assertEq(ins.hello(4.0, 1), 16.0)
+
+assertEq(ins.x1(12), 36)
+assertEq(ins.x2(8), Math.PI)
+
+var point = ins.mk_point();
+assertEq(0 in point, true);
+assertEq(1 in point, true);
+assertEq(2 in point, false);
+assertEq(point[0], 37);
+assertEq(point[1], 42);
+
+var int_node = ins.mk_int_node(78, point);
+assertEq(int_node[0], 78);
+assertEq(int_node[1], point);
+
+var bigger = ins.mk_bigger();
+for ( let i=0; i < 52; i++ )
+ assertEq(bigger[i], i);
+
+assertEq(bigger[-1], undefined);
+assertEq(bigger[52], undefined);
+
+var withfloats = ins.mk_withfloats(1/3, Math.PI, bigger, 5/6, 0x1337);
+assertEq(withfloats[0], Math.fround(1/3));
+assertEq(withfloats[1], Math.PI);
+assertEq(withfloats[2], bigger);
+assertEq(withfloats[3], Math.fround(5/6));
+assertEq(withfloats[4], 0x1337);
+
+// A simple stress test
+
+var stress = wasmTextToBinary(
+ `(module
+ (type $node (struct (field i32) (field (ref null $node))))
+ (func (export "iota1") (param $n i32) (result eqref)
+ (local $list (ref null $node))
+ (block $exit
+ (loop $loop
+ (br_if $exit (i32.eqz (local.get $n)))
+ (local.set $list (struct.new $node (local.get $n) (local.get $list)))
+ (local.set $n (i32.sub (local.get $n) (i32.const 1)))
+ (br $loop)))
+ (local.get $list)))`);
+var stressIns = new WebAssembly.Instance(new WebAssembly.Module(stress)).exports;
+var stressLevel = conf.x64 && !conf.tsan && !conf.asan && !conf.valgrind ? 100000 : 1000;
+var the_list = stressIns.iota1(stressLevel);
+for (let i=1; i <= stressLevel; i++) {
+ assertEq(the_list[0], i);
+ the_list = the_list[1];
+}
+assertEq(the_list, null);
+
+// Fields and their exposure in JS. We can't export types yet so hide them
+// inside the module with globals.
+
+// i64 fields.
+
+{
+ let txt =
+ `(module
+ (type $big (struct
+ (field (mut i32))
+ (field (mut i64))
+ (field (mut i32))))
+
+ (func (export "set") (param eqref)
+ (local (ref null $big))
+ (local.set 1 (ref.cast (ref null $big) (local.get 0)))
+ (struct.set $big 1 (local.get 1) (i64.const 0x3333333376544567)))
+
+ (func (export "set2") (param $p eqref)
+ (struct.set $big 1
+ (ref.cast (ref null $big) (local.get $p))
+ (i64.const 0x3141592653589793)))
+
+ (func (export "low") (param $p eqref) (result i32)
+ (i32.wrap/i64 (struct.get $big 1 (ref.cast (ref null $big) (local.get $p)))))
+
+ (func (export "high") (param $p eqref) (result i32)
+ (i32.wrap/i64 (i64.shr_u
+ (struct.get $big 1 (ref.cast (ref null $big) (local.get $p)))
+ (i64.const 32))))
+
+ (func (export "mk") (result eqref)
+ (struct.new $big (i32.const 0x7aaaaaaa) (i64.const 0x4201020337) (i32.const 0x6bbbbbbb)))
+
+ )`;
+
+ let ins = wasmEvalText(txt).exports;
+
+ let v = ins.mk();
+ assertEq(typeof v, "object");
+ assertEq(v[0], 0x7aaaaaaa);
+ assertEq(v[1], 0x4201020337n);
+ assertEq(ins.low(v), 0x01020337);
+ assertEq(ins.high(v), 0x42);
+ assertEq(v[2], 0x6bbbbbbb);
+
+ ins.set(v);
+ assertEq(v[0], 0x7aaaaaaa);
+ assertEq(v[1], 0x3333333376544567n);
+ assertEq(v[2], 0x6bbbbbbb);
+
+ ins.set2(v);
+ assertEq(v[1], 0x3141592653589793n);
+ assertEq(ins.low(v), 0x53589793);
+ assertEq(ins.high(v), 0x31415926)
+}
+
+{
+ let txt =
+ `(module
+ (type $big (struct
+ (field (mut i32))
+ (field (mut i64))
+ (field (mut i32))))
+
+ (global $g (mut (ref null $big)) (ref.null $big))
+
+ (func (export "make") (result eqref)
+ (global.set $g
+ (struct.new $big (i32.const 0x7aaaaaaa) (i64.const 0x4201020337) (i32.const 0x6bbbbbbb)))
+ (global.get $g))
+
+ (func (export "update0") (param $x i32)
+ (struct.set $big 0 (global.get $g) (local.get $x)))
+
+ (func (export "get0") (result i32)
+ (struct.get $big 0 (global.get $g)))
+
+ (func (export "update1") (param $hi i32) (param $lo i32)
+ (struct.set $big 1 (global.get $g)
+ (i64.or
+ (i64.shl (i64.extend_u/i32 (local.get $hi)) (i64.const 32))
+ (i64.extend_u/i32 (local.get $lo)))))
+
+ (func (export "get1_low") (result i32)
+ (i32.wrap/i64 (struct.get $big 1 (global.get $g))))
+
+ (func (export "get1_high") (result i32)
+ (i32.wrap/i64
+ (i64.shr_u (struct.get $big 1 (global.get $g)) (i64.const 32))))
+
+ (func (export "update2") (param $x i32)
+ (struct.set $big 2 (global.get $g) (local.get $x)))
+
+ (func (export "get2") (result i32)
+ (struct.get $big 2 (global.get $g)))
+
+ )`;
+
+ let ins = wasmEvalText(txt).exports;
+
+ let v = ins.make();
+ assertEq(v[0], 0x7aaaaaaa);
+ assertEq(v[1], 0x4201020337n);
+ assertEq(v[2], 0x6bbbbbbb);
+
+ ins.update0(0x45367101);
+ assertEq(v[0], 0x45367101);
+ assertEq(ins.get0(), 0x45367101);
+ assertEq(v[1], 0x4201020337n);
+ assertEq(v[2], 0x6bbbbbbb);
+
+ ins.update2(0x62345123);
+ assertEq(v[0], 0x45367101);
+ assertEq(v[1], 0x4201020337n);
+ assertEq(ins.get2(), 0x62345123);
+ assertEq(v[2], 0x62345123);
+
+ ins.update1(0x77777777, 0x22222222);
+ assertEq(v[0], 0x45367101);
+ assertEq(ins.get1_low(), 0x22222222);
+ assertEq(ins.get1_high(), 0x77777777);
+ assertEq(v[1], 0x7777777722222222n);
+ assertEq(v[2], 0x62345123);
+}
+
+
+var bin = wasmTextToBinary(
+ `(module
+ (type $cons (struct (field i32) (field (ref null $cons))))
+
+ (global $g (mut (ref null $cons)) (ref.null $cons))
+
+ (func (export "push") (param i32)
+ (global.set $g (struct.new $cons (local.get 0) (global.get $g))))
+
+ (func (export "top") (result i32)
+ (struct.get $cons 0 (global.get $g)))
+
+ (func (export "pop")
+ (global.set $g (struct.get $cons 1 (global.get $g))))
+
+ (func (export "is_empty") (result i32)
+ (ref.is_null (global.get $g)))
+
+ )`);
+
+var mod = new WebAssembly.Module(bin);
+var ins = new WebAssembly.Instance(mod).exports;
+ins.push(37);
+ins.push(42);
+ins.push(86);
+assertEq(ins.top(), 86);
+ins.pop();
+assertEq(ins.top(), 42);
+ins.pop();
+assertEq(ins.top(), 37);
+ins.pop();
+assertEq(ins.is_empty(), 1);
+assertErrorMessage(() => ins.pop(),
+ WebAssembly.RuntimeError,
+ /dereferencing null pointer/);
+
+// Check that a wrapped object cannot be passed as an eqref even if the wrapper
+// points to the right type. This is a temporary restriction, until we're able
+// to avoid dealing with wrappers inside the engine.
+
+{
+ var ins = wasmEvalText(
+ `(module
+ (type $Node (struct (field i32)))
+ (func (export "mk") (result eqref)
+ (struct.new $Node (i32.const 37)))
+ (func (export "f") (param $n eqref) (result eqref)
+ (ref.cast (ref null $Node) (local.get $n))))`).exports;
+ var n = ins.mk();
+ assertEq(ins.f(n), n);
+ assertErrorMessage(() => ins.f(wrapWithProto(n, {})), TypeError, /can only pass a WebAssembly GC object/);
+}
+
+// Field names.
+
+// Test that names map to the right fields.
+
+{
+ let ins = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(
+ `(module
+ (type $s (struct
+ (field $x i32)
+ (field $y i32)))
+
+ (func $f (param $p (ref null $s)) (result i32)
+ (struct.get $s $x (local.get $p)))
+
+ (func $g (param $p (ref null $s)) (result i32)
+ (struct.get $s $y (local.get $p)))
+
+ (func (export "testf") (param $n i32) (result i32)
+ (call $f (struct.new $s (local.get $n) (i32.mul (local.get $n) (i32.const 2)))))
+
+ (func (export "testg") (param $n i32) (result i32)
+ (call $g (struct.new $s (local.get $n) (i32.mul (local.get $n) (i32.const 2)))))
+
+ )`))).exports;
+
+ assertEq(ins.testf(10), 10);
+ assertEq(ins.testg(10), 20);
+}
+
+// Test that field names must be unique in the module.
+
+assertErrorMessage(() => wasmTextToBinary(
+ `(module
+ (type $s (struct (field $x i32)))
+ (type $t (struct (field $x i32)))
+ )`),
+ SyntaxError,
+ /duplicate identifier for field/);
+
+// negative tests
+
+// Wrong type passed as initializer
+
+assertErrorMessage(() => new WebAssembly.Module(wasmTextToBinary(`
+(module
+ (type $r (struct (field i32)))
+ (func $f (param f64) (result eqref)
+ (struct.new $r (local.get 0)))
+)`)),
+WebAssembly.CompileError, /type mismatch/);
+
+// Too few values passed for initializer
+
+assertErrorMessage(() => new WebAssembly.Module(wasmTextToBinary(`
+(module
+ (type $r (struct (field i32) (field i32)))
+ (func $f (result eqref)
+ (struct.new $r (i32.const 0)))
+)`)),
+WebAssembly.CompileError, /popping value from empty stack/);
+
+// Too many values passed for initializer, sort of
+
+assertErrorMessage(() => new WebAssembly.Module(wasmTextToBinary(`
+(module
+ (type $r (struct (field i32) (field i32)))
+ (func $f (result eqref)
+ (i32.const 0)
+ (i32.const 1)
+ (i32.const 2)
+ struct.new $r)
+)`)),
+WebAssembly.CompileError, /unused values/);
+
+// Not referencing a structure type
+
+assertErrorMessage(() => new WebAssembly.Module(wasmTextToBinary(`
+(module
+ (type (func (param i32) (result i32)))
+ (func $f (result eqref)
+ (struct.new 0))
+)`)),
+WebAssembly.CompileError, /not a struct type/);
+
+// Nominal type equivalence for structs, but the prefix rule allows this
+// conversion to succeed.
+
+wasmEvalText(`
+ (module
+ (type $p (struct (field i32)))
+ (type $q (struct (field i32)))
+ (func $f (result (ref null $p))
+ (struct.new $q (i32.const 0))))
+`);
+
+// The field name is optional, so this should work.
+
+wasmEvalText(`
+(module
+ (type $s (struct (field i32))))
+`)
+
+// Empty structs are OK.
+
+wasmEvalText(`
+(module
+ (type $s (struct)))
+`)
+
+// Multiply defined structures.
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (struct (field $x i32)))
+ (type $s (struct (field $y i32))))
+`),
+SyntaxError, /duplicate type identifier/);
+
+// Bogus type definition syntax.
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s))
+`),
+SyntaxError, /wasm text error/);
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (field $x i32)))
+`),
+SyntaxError, /expected one of: `func`, `struct`, `array`/);
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (struct (field $x i31))))
+`),
+SyntaxError, /wasm text error/);
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (struct (fjeld $x i32))))
+`),
+SyntaxError, /wasm text error/);
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (struct abracadabra)))
+`),
+SyntaxError, /wasm text error/);
+
+// Function should not reference struct type: syntactic test
+
+assertErrorMessage(() => wasmEvalText(`
+(module
+ (type $s (struct))
+ (type $f (func (param i32) (result i32)))
+ (func (type 0) (param i32) (result i32) (unreachable)))
+`),
+WebAssembly.CompileError, /signature index references non-signature/);
+
+// Can't set immutable fields from JS
+
+{
+ let ins = wasmEvalText(
+ `(module
+ (type $s (struct
+ (field i32)
+ (field (mut i64))))
+ (func (export "make") (result eqref)
+ (struct.new $s (i32.const 37) (i64.const 42))))`).exports;
+ let v = ins.make();
+ assertErrorMessage(() => v[0] = 12,
+ Error,
+ /setting immutable field/);
+ assertErrorMessage(() => v[1] = 12,
+ Error,
+ /setting immutable field/);
+}
+
+// Function should not reference struct type: binary test
+
+var bad = new Uint8Array([0x00, 0x61, 0x73, 0x6d,
+ 0x01, 0x00, 0x00, 0x00,
+
+ 0x01, // Type section
+ 0x03, // Section size
+ 0x01, // One type
+ 0x5f, // Struct
+ 0x00, // Zero fields
+
+ 0x03, // Function section
+ 0x02, // Section size
+ 0x01, // One function
+ 0x00, // Type of function
+
+ 0x0a, // Code section
+ 0x05, // Section size
+ 0x01, // One body
+ 0x03, // Body size
+ 0x00, // Zero locals
+ 0x00, // UNREACHABLE
+ 0x0b]); // END
+
+assertErrorMessage(() => new WebAssembly.Module(bad),
+ WebAssembly.CompileError, /signature index references non-signature/);
+
+// Exercise alias-analysis code for struct access
+{
+ let txt =
+ `(module
+ (type $meh (struct))
+ (type $hasOOL (struct
+ ;; In-line storage
+ (field i64) (field i64)
+ (field $ILnonref (mut i64)) (field $ILref (mut eqref))
+ (field i64) (field i64) (field i64) (field i64)
+ (field i64) (field i64) (field i64) (field i64)
+ (field i64) (field i64) (field i64) (field i64)
+ ;; Out-of-line storage (or maybe it starts earlier, but
+ ;; definitely not after this point).
+ (field $OOLnonref (mut i64)) (field $OOLref (mut eqref)))
+ )
+ (func (export "create") (result eqref)
+ (struct.new $hasOOL
+ (i64.const 1) (i64.const 2)
+ (i64.const 9876) (ref.null $meh)
+ (i64.const 3) (i64.const 4) (i64.const 5) (i64.const 6)
+ (i64.const 7) (i64.const 8) (i64.const 9) (i64.const 10)
+ (i64.const 11) (i64.const 12) (i64.const 13) (i64.const 14)
+ (i64.const 4321) (ref.null $meh))
+ )
+ ;; Write to an OOL field, then an IL field, then to an OOL field, so
+ ;; that we can at least check (from inspection of the optimised MIR)
+ ;; that the GVN+alias analysis causes the OOL block pointer not to be
+ ;; reloaded for the second OOL write. First for non-ref fields ..
+ (func (export "threeSetsNonReffy") (param eqref)
+ (local (ref $hasOOL))
+ (local.set 1 (ref.as_non_null (ref.cast (ref null $hasOOL) (local.get 0))))
+ (struct.set $hasOOL 16 (local.get 1) (i64.const 1337)) ;; set $OOLnonref
+ (struct.set $hasOOL 2 (local.get 1) (i64.const 7331)) ;; set $ILnonref
+ (struct.set $hasOOL 16 (local.get 1) (i64.const 9009)) ;; set $OOLnonref
+ )
+ ;; and the same for ref fields.
+ (func (export "threeSetsReffy") (param eqref)
+ (local (ref $hasOOL))
+ (local.set 1 (ref.as_non_null (ref.cast (ref null $hasOOL) (local.get 0))))
+ (struct.set $hasOOL 17 (local.get 1) (ref.null $meh)) ;; set $OOLref
+ (struct.set $hasOOL 3 (local.get 1) (ref.null $meh)) ;; set $ILref
+ (struct.set $hasOOL 17 (local.get 1) (ref.null $meh)) ;; set $OOLref
+ )
+ )`;
+ let exports = wasmEvalText(txt).exports;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// Checks for requests to create structs with more than MaxStructFields, where
+// MaxStructFields == 1000.
+
+function structNewOfManyFields(numFields) {
+ let defString = "(type $s (struct ";
+ for (i = 0; i < numFields; i++) {
+ defString += "(field i32) ";
+ }
+ defString += "))";
+
+ let insnString = "(struct.new $s ";
+ for (i = 0; i < numFields; i++) {
+ insnString += "(i32.const 1337) ";
+ }
+ insnString += ")";
+
+ return "(module " +
+ defString +
+ " (func (export \"create\") (result eqref) " +
+ insnString +
+ "))";
+}
+
+{
+ // 2000 fields is allowable
+ let exports = wasmEvalText(structNewOfManyFields(2000)).exports;
+ let s = exports.create();
+ assertEq(s, s);
+}
+{
+ // but 2001 is not
+ assertErrorMessage(() => wasmEvalText(structNewOfManyFields(2001)),
+ WebAssembly.CompileError,
+ /too many fields in struct/);
+}
+
+// FIXME: also check struct.new_default, once it is available in both compilers.
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 00:07:25 +0000