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celldb in-memory mode (--celldb-in-memory option)
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parent
420029b056
commit
1723562748
48 changed files with 1966 additions and 201 deletions
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@ -20,6 +20,15 @@
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namespace vm {
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namespace detail {
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template <class CellT>
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struct DefaultAllocator {
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template <class T, class... ArgsT>
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std::unique_ptr<CellT> make_unique(ArgsT&&... args) {
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return std::make_unique<T>(std::forward<ArgsT>(args)...);
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}
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};
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template <class CellT, size_t Size = 0>
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class CellWithArrayStorage : public CellT {
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public:
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@ -29,14 +38,14 @@ class CellWithArrayStorage : public CellT {
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~CellWithArrayStorage() {
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CellT::destroy_storage(get_storage());
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}
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template <class... ArgsT>
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static std::unique_ptr<CellT> create(size_t storage_size, ArgsT&&... args) {
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template <class Allocator, class... ArgsT>
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static auto create(Allocator allocator, size_t storage_size, ArgsT&&... args) {
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static_assert(CellT::max_storage_size <= 40 * 8, "");
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//size = 128 + 32 + 8;
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auto size = (storage_size + 7) / 8;
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#define CASE(size) \
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case (size): \
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return std::make_unique<CellWithArrayStorage<CellT, (size)*8>>(std::forward<ArgsT>(args)...);
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return allocator. template make_unique<CellWithArrayStorage<CellT, (size) * 8>>(std::forward<ArgsT>(args)...);
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#define CASE2(offset) CASE(offset) CASE(offset + 1)
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#define CASE8(offset) CASE2(offset) CASE2(offset + 2) CASE2(offset + 4) CASE2(offset + 6)
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#define CASE32(offset) CASE8(offset) CASE8(offset + 8) CASE8(offset + 16) CASE8(offset + 24)
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@ -48,6 +57,10 @@ class CellWithArrayStorage : public CellT {
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LOG(FATAL) << "TOO BIG " << storage_size;
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UNREACHABLE();
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}
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template <class... ArgsT>
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static std::unique_ptr<CellT> create(size_t storage_size, ArgsT&&... args) {
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return create(DefaultAllocator<CellT>{}, storage_size, std::forward<ArgsT>(args)...);
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}
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private:
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alignas(alignof(void*)) char storage_[Size];
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