Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 52 insertions, 0 deletions

diff --git a/js/src/jit/Linker.h b/js/src/jit/Linker.h
new file mode 100644
index 0000000000..01df1c819a
--- /dev/null
+++ b/js/src/jit/Linker.h
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_Linker_h
+#define jit_Linker_h
+
+#include "mozilla/Maybe.h"
+
+#include <stdint.h>
+
+#include "jstypes.h"
+
+#include "jit/AutoWritableJitCode.h"
+#include "jit/MacroAssembler.h"
+#include "vm/Runtime.h"
+
+struct JS_PUBLIC_API JSContext;
+
+namespace js {
+namespace jit {
+
+class JitCode;
+
+enum class CodeKind : uint8_t;
+
+class Linker {
+  MacroAssembler& masm;
+  mozilla::Maybe<AutoWritableJitCodeFallible> awjcf;
+
+  JitCode* fail(JSContext* cx) {
+    ReportOutOfMemory(cx);
+    return nullptr;
+  }
+
+ public:
+  // Construct a linker with a rooted macro assembler.
+  explicit Linker(MacroAssembler& masm) : masm(masm) { masm.finish(); }
+
+  // Create a new JitCode object and populate it with the contents of the
+  // macro assember buffer.
+  //
+  // This method cannot GC. Errors are reported to the context.
+  JitCode* newCode(JSContext* cx, CodeKind kind);
+};
+
+}  // namespace jit
+}  // namespace js
+
+#endif /* jit_Linker_h */