diff options
Diffstat (limited to 'chromium/v8/include/cppgc/internal/api-constants.h')
| -rw-r--r-- | chromium/v8/include/cppgc/internal/api-constants.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/chromium/v8/include/cppgc/internal/api-constants.h b/chromium/v8/include/cppgc/internal/api-constants.h index ef910a48571..1303b8b861f 100644 --- a/chromium/v8/include/cppgc/internal/api-constants.h +++ b/chromium/v8/include/cppgc/internal/api-constants.h @@ -17,6 +17,11 @@ namespace internal { // Internal constants to avoid exposing internal types on the API surface. namespace api_constants { + +constexpr size_t kKB = 1024; +constexpr size_t kMB = kKB * 1024; +constexpr size_t kGB = kMB * 1024; + // 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. @@ -25,17 +30,15 @@ static constexpr size_t kFullyConstructedBitFieldOffsetFromPayload = // 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; +#if defined(CPPGC_CAGED_HEAP) +constexpr size_t kCagedHeapReservationSize = static_cast<size_t>(4) * kGB; +constexpr size_t kCagedHeapReservationAlignment = kCagedHeapReservationSize; +#endif + } // namespace api_constants } // namespace internal |