Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/js/src/wasm/WasmLog.cpp b/js/src/wasm/WasmLog.cpp
new file mode 100644
index 0000000000..34ef219ce1
--- /dev/null
+++ b/js/src/wasm/WasmLog.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ *
+ * Copyright 2021 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "wasm/WasmLog.h"
+
+#include <stdio.h>
+
+#include "jit/JitOptions.h"
+#include "js/Printf.h"
+#include "js/Utility.h"
+#include "vm/JSContext.h"
+#include "vm/Warnings.h"
+
+using namespace js;
+using namespace js::wasm;
+
+void wasm::Log(JSContext* cx, const char* fmt, ...) {
+  MOZ_ASSERT(!cx->isExceptionPending());
+
+  if (!cx->options().wasmVerbose()) {
+    return;
+  }
+
+  va_list args;
+  va_start(args, fmt);
+
+  if (UniqueChars chars = JS_vsmprintf(fmt, args)) {
+    WarnNumberASCII(cx, JSMSG_WASM_VERBOSE, chars.get());
+    if (cx->isExceptionPending()) {
+      cx->clearPendingException();
+    }
+  }
+
+  va_end(args);
+}
+
+void wasm::LogOffThread(const char* fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  vfprintf(stderr, fmt, ap);
+  va_end(ap);
+}
+
+#ifdef WASM_CODEGEN_DEBUG
+bool wasm::IsCodegenDebugEnabled(DebugChannel channel) {
+  switch (channel) {
+    case DebugChannel::Function:
+      return jit::JitOptions.enableWasmFuncCallSpew;
+    case DebugChannel::Import:
+      return jit::JitOptions.enableWasmImportCallSpew;
+  }
+  return false;
+}
+#endif
+
+void wasm::DebugCodegen(DebugChannel channel, const char* fmt, ...) {
+#ifdef WASM_CODEGEN_DEBUG
+  if (!IsCodegenDebugEnabled(channel)) {
+    return;
+  }
+  va_list ap;
+  va_start(ap, fmt);
+  vfprintf(stderr, fmt, ap);
+  va_end(ap);
+#endif
+}