9 files changed, 71 insertions, 0 deletions
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-gen.js b/js/src/jit-test/lib/gen/wasm-gc-limits-gen.js
new file mode 100644
index 0000000000..01fd527cc3
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-gen.js
@@ -0,0 +1,71 @@
+// Generates large .wasm files for use in ../limits.js.
+// Make sure you are running this script from a release build or you will be sad.
+
+loadRelativeToScript("../wasm-binary.js");
+
+function moduleNRecGroupNTypes(numRecs, numTypes) {
+  let types = [];
+  for (let i = 0; i < numTypes; i++) {
+    types.push({ kind: FuncCode, args: [], ret: [] });
+  }
+  let recs = [];
+  for (let i = 0; i < numRecs; i++) {
+    recs.push(recGroup(types));
+  }
+  return new Uint8Array(compressLZ4(new Uint8Array(moduleWithSections([typeSection(recs)])).buffer));
+}
+
+os.file.writeTypedArrayToFile("wasm-gc-limits-r1M-t1.wasm", moduleNRecGroupNTypes(1_000_000, 1));
+os.file.writeTypedArrayToFile("wasm-gc-limits-r1M1-t1.wasm", moduleNRecGroupNTypes(1_000_001, 1));
+os.file.writeTypedArrayToFile("wasm-gc-limits-r1-t1M.wasm", moduleNRecGroupNTypes(1, 1_000_000));
+os.file.writeTypedArrayToFile("wasm-gc-limits-r1-t1M1.wasm", moduleNRecGroupNTypes(1, 1_000_001));
+os.file.writeTypedArrayToFile("wasm-gc-limits-r2-t500K.wasm", moduleNRecGroupNTypes(2, 500_000));
+os.file.writeTypedArrayToFile("wasm-gc-limits-r2-t500K1.wasm", moduleNRecGroupNTypes(2, 500_001));
+
+function moduleLargeStruct(size) {
+  let structInitializer = [];
+  for (let i = 0; i < size; i++) {
+    structInitializer.push(I64ConstCode);
+    structInitializer.push(...varU32(0));
+  }
+  return new Uint8Array(compressLZ4(new Uint8Array(moduleWithSections([
+    typeSection([
+      {
+        kind: StructCode,
+        fields: Array(size).fill(I64Code)
+      },
+      {
+        kind: FuncCode,
+        args: [],
+        ret: [AnyRefCode]
+      }
+    ]),
+    declSection([1, 1]),
+    exportSection([
+      {name: "makeLargeStructDefault", funcIndex: 0},
+      {name: "makeLargeStruct", funcIndex: 1}
+    ]),
+    bodySection([
+      funcBody({
+        locals: [],
+        body: [
+          GcPrefix,
+          StructNewDefault,
+          ...varU32(0)
+        ],
+      }),
+      funcBody({
+        locals: [],
+        body: [
+          ...structInitializer,
+          GcPrefix,
+          StructNew,
+          ...varU32(0)
+        ],
+      }),
+    ]),
+  ])).buffer));
+}
+
+os.file.writeTypedArrayToFile("wasm-gc-limits-s10K.wasm", moduleLargeStruct(10_000));
+os.file.writeTypedArrayToFile("wasm-gc-limits-s10K1.wasm", moduleLargeStruct(10_001));
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M.wasm
new file mode 100644
index 0000000000..f92d36f8e3
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M1.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M1.wasm
new file mode 100644
index 0000000000..190b522472
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r1-t1M1.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r1M-t1.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r1M-t1.wasm
new file mode 100644
index 0000000000..5424e907ff
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r1M-t1.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r1M1-t1.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r1M1-t1.wasm
new file mode 100644
index 0000000000..a96be86ef3
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r1M1-t1.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K.wasm
new file mode 100644
index 0000000000..b9eb6ea929
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K1.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K1.wasm
new file mode 100644
index 0000000000..e44b6461fe
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-r2-t500K1.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-s10K.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-s10K.wasm
new file mode 100644
index 0000000000..5b209ab5e4
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-s10K.wasm
diff --git a/js/src/jit-test/lib/gen/wasm-gc-limits-s10K1.wasm b/js/src/jit-test/lib/gen/wasm-gc-limits-s10K1.wasm
new file mode 100644
index 0000000000..a2062abc52
--- /dev/null
+++ b/js/src/jit-test/lib/gen/wasm-gc-limits-s10K1.wasm