1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/jit/JitCommon.h b/js/src/jit/JitCommon.h
new file mode 100644
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+++ b/js/src/jit/JitCommon.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * 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_JitCommon_h
+#define jit_JitCommon_h
+
+// Various macros used by all JITs.
+
+#if defined(JS_SIMULATOR_ARM)
+#include "jit/arm/Simulator-arm.h"
+#elif defined(JS_SIMULATOR_ARM64)
+# include "jit/arm64/vixl/Simulator-vixl.h"
+#elif defined(JS_SIMULATOR_MIPS32)
+#include "jit/mips32/Simulator-mips32.h"
+#elif defined(JS_SIMULATOR_MIPS64)
+#include "jit/mips64/Simulator-mips64.h"
+#endif
+
+#ifdef JS_SIMULATOR
+// Call into cross-jitted code by following the ABI of the simulated architecture.
+#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7)     \
+    (js::jit::Simulator::Current()->call(                              \
+        JS_FUNC_TO_DATA_PTR(uint8_t*, entry), 8, p0, p1, p2, p3, p4, p5, p6, p7))
+
+#define CALL_GENERATED_1(entry, p0)                     \
+    (js::jit::Simulator::Current()->call(               \
+        JS_FUNC_TO_DATA_PTR(uint8_t*, entry), 1, p0))
+
+#define CALL_GENERATED_2(entry, p0, p1)                                 \
+    (js::jit::Simulator::Current()->call(                               \
+        JS_FUNC_TO_DATA_PTR(uint8_t*, entry), 2, p0, p1))
+
+#define CALL_GENERATED_3(entry, p0, p1, p2)                             \
+    (js::jit::Simulator::Current()->call(                               \
+        JS_FUNC_TO_DATA_PTR(uint8_t*, entry), 3, p0, p1, p2))
+
+#else
+
+// Call into jitted code by following the ABI of the native architecture.
+#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7)   \
+  entry(p0, p1, p2, p3, p4, p5, p6, p7)
+
+#define CALL_GENERATED_1(entry, p0)         entry(p0)
+#define CALL_GENERATED_2(entry, p0, p1)     entry(p0, p1)
+#define CALL_GENERATED_3(entry, p0, p1, p2) entry(p0, p1, p2)
+
+#endif
+
+#endif // jit_JitCommon_h