Sha256: 2bc009ba095347ea8a673d2b295c9eb0460de29945548cbb21226c1f6ba9e340

Contents?: true

Size: 1.42 KB

Versions: 28

Compression:

Stored size: 1.42 KB

Contents

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef INCLUDE_CPPGC_INTERNAL_API_CONSTANTS_H_
#define INCLUDE_CPPGC_INTERNAL_API_CONSTANTS_H_

#include <stddef.h>
#include <stdint.h>

#include "v8config.h"  // NOLINT(build/include_directory)

namespace cppgc {
namespace internal {

// Embedders should not rely on this code!

// Internal constants to avoid exposing internal types on the API surface.
namespace api_constants {
// Offset of the uint16_t bitfield from the payload contaning the
// in-construction bit. This is subtracted from the payload pointer to get
// to the right bitfield.
static constexpr size_t kFullyConstructedBitFieldOffsetFromPayload =
    2 * sizeof(uint16_t);
// Mask for in-construction bit.
static constexpr size_t kFullyConstructedBitMask = size_t{1};

// Page constants used to align pointers to page begin.
static constexpr size_t kPageSize = size_t{1} << 17;
static constexpr size_t kPageAlignment = kPageSize;
static constexpr size_t kPageBaseMask = ~(kPageAlignment - 1);
static constexpr size_t kGuardPageSize = 4096;

// Offset of the Heap backref.
static constexpr size_t kHeapOffset = 0;

static constexpr size_t kLargeObjectSizeThreshold = kPageSize / 2;

}  // namespace api_constants

}  // namespace internal
}  // namespace cppgc

#endif  // INCLUDE_CPPGC_INTERNAL_API_CONSTANTS_H_

Version data entries

28 entries across 28 versions & 2 rubygems

Version Path
libv8-8.4.255.0.1-x86_64-linux vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0.1-x86_64-darwin vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0.1-universal-darwin vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta3-x86_64-linux vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta3-x86_64-linux-musl vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta3-x86_64-darwin-19 vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-darwin-18 vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0-x86_64-darwin-20 vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0-universal-darwin-20 vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-darwin-20 vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-solaris-2.11 vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-linux vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-linux-musl vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta2-x86_64-darwin-19 vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta1-x86_64-linux vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta1-x86_64-linux-musl vendor/v8/include/cppgc/internal/api-constants.h
libv8-node-14.14.0.0.beta1-x86_64-darwin-19 vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0-x86_64-darwin-18 vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0-x86_64-darwin-17 vendor/v8/include/cppgc/internal/api-constants.h
libv8-8.4.255.0-x86_64-linux vendor/v8/include/cppgc/internal/api-constants.h