Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 93 insertions, 0 deletions

diff --git a/js/public/friend/UsageStatistics.h b/js/public/friend/UsageStatistics.h
new file mode 100644
index 0000000000..904d277d3a
--- /dev/null
+++ b/js/public/friend/UsageStatistics.h
@@ -0,0 +1,93 @@
+/* -*- 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/. */
+
+/* Telemetry and use counter functionality. */
+
+#ifndef js_friend_UsageStatistics_h
+#define js_friend_UsageStatistics_h
+
+#include <stdint.h>  // uint32_t
+
+#include "jstypes.h"  // JS_FRIEND_API
+
+struct JS_PUBLIC_API JSContext;
+class JS_PUBLIC_API JSObject;
+
+/*
+ * Telemetry reasons passed to the accumulate telemetry callback.
+ *
+ * It's OK for these enum values to change as they will be mapped to a fixed
+ * member of the mozilla::Telemetry::HistogramID enum by the callback.
+ */
+#define MAP_JS_TELEMETRY(_)                     \
+  _(JS_TELEMETRY_GC_REASON)                     \
+  _(JS_TELEMETRY_GC_IS_ZONE_GC)                 \
+  _(JS_TELEMETRY_GC_MS)                         \
+  _(JS_TELEMETRY_GC_BUDGET_MS_2)                \
+  _(JS_TELEMETRY_GC_BUDGET_OVERRUN)             \
+  _(JS_TELEMETRY_GC_ANIMATION_MS)               \
+  _(JS_TELEMETRY_GC_MAX_PAUSE_MS_2)             \
+  _(JS_TELEMETRY_GC_PREPARE_MS)                 \
+  _(JS_TELEMETRY_GC_MARK_MS)                    \
+  _(JS_TELEMETRY_GC_SWEEP_MS)                   \
+  _(JS_TELEMETRY_GC_COMPACT_MS)                 \
+  _(JS_TELEMETRY_GC_MARK_ROOTS_US)              \
+  _(JS_TELEMETRY_GC_MARK_GRAY_MS_2)             \
+  _(JS_TELEMETRY_GC_MARK_WEAK_MS)               \
+  _(JS_TELEMETRY_GC_SLICE_MS)                   \
+  _(JS_TELEMETRY_GC_SLOW_PHASE)                 \
+  _(JS_TELEMETRY_GC_SLOW_TASK)                  \
+  _(JS_TELEMETRY_GC_MMU_50)                     \
+  _(JS_TELEMETRY_GC_RESET)                      \
+  _(JS_TELEMETRY_GC_RESET_REASON)               \
+  _(JS_TELEMETRY_GC_NON_INCREMENTAL)            \
+  _(JS_TELEMETRY_GC_NON_INCREMENTAL_REASON)     \
+  _(JS_TELEMETRY_GC_MINOR_REASON)               \
+  _(JS_TELEMETRY_GC_MINOR_REASON_LONG)          \
+  _(JS_TELEMETRY_GC_MINOR_US)                   \
+  _(JS_TELEMETRY_GC_NURSERY_BYTES)              \
+  _(JS_TELEMETRY_GC_PRETENURE_COUNT_2)          \
+  _(JS_TELEMETRY_GC_NURSERY_PROMOTION_RATE)     \
+  _(JS_TELEMETRY_GC_TENURED_SURVIVAL_RATE)      \
+  _(JS_TELEMETRY_GC_MARK_RATE_2)                \
+  _(JS_TELEMETRY_GC_TIME_BETWEEN_S)             \
+  _(JS_TELEMETRY_GC_TIME_BETWEEN_SLICES_MS)     \
+  _(JS_TELEMETRY_GC_SLICE_COUNT)                \
+  _(JS_TELEMETRY_GC_EFFECTIVENESS)              \
+  _(JS_TELEMETRY_RUN_TIME_US)                   \
+  _(JS_TELEMETRY_WASM_COMPILE_TIME_BASELINE_US) \
+  _(JS_TELEMETRY_WASM_COMPILE_TIME_ION_US)      \
+  _(JS_TELEMETRY_WASM_COMPILE_TIME_CRANELIFT_US)
+
+// clang-format off
+#define ENUM_DEF(NAME) NAME ,
+enum {
+  MAP_JS_TELEMETRY(ENUM_DEF)
+  JS_TELEMETRY_END
+};
+#undef ENUM_DEF
+// clang-format on
+
+using JSAccumulateTelemetryDataCallback = void (*)(int, uint32_t, const char*);
+
+extern JS_FRIEND_API void JS_SetAccumulateTelemetryCallback(
+    JSContext* cx, JSAccumulateTelemetryDataCallback callback);
+
+/*
+ * Use counter names passed to the accumulate use counter callback.
+ *
+ * It's OK to for these enum values to change as they will be mapped to a
+ * fixed member of the mozilla::UseCounter enum by the callback.
+ */
+
+enum class JSUseCounter { ASMJS, WASM, WASM_DUPLICATE_IMPORTS };
+
+using JSSetUseCounterCallback = void (*)(JSObject*, JSUseCounter);
+
+extern JS_FRIEND_API void JS_SetSetUseCounterCallback(
+    JSContext* cx, JSSetUseCounterCallback callback);
+
+#endif  // js_friend_UsageStatistics_h