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@@ -73,6 +73,56 @@ wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
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uint8 block_type, uint8 **p_else_addr,
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uint8 **p_end_addr);
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+#if WASM_ENABLE_SHARED_HEAP != 0
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+#if WASM_ENABLE_MULTI_MEMORY != 0
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+/* Only enable shared heap for the default memory */
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+#define is_default_memory (memidx == 0)
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+#else
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+#define is_default_memory true
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+#endif
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+#if WASM_ENABLE_MEMORY64 != 0
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+#define get_shared_heap_start_off(shared_heap) \
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+ (is_memory64 ? shared_heap->start_off_mem64 : shared_heap->start_off_mem32)
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+#else
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+#define get_shared_heap_start_off(shared_heap) (shared_heap->start_off_mem32)
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+#endif
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+/* Check whether the app addr in the last visited shared heap, if not, check the
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+ * shared heap chain to find which(if any) shared heap the app addr in, and
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+ * update the last visited shared heap info if found. */
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+#define app_addr_in_shared_heap(app_addr, bytes) \
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+ (shared_heap && is_default_memory && (app_addr) >= shared_heap_start_off \
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+ && (app_addr) <= shared_heap_end_off - bytes + 1) \
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+ || ({ \
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+ bool in_chain = false; \
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+ WASMSharedHeap *cur; \
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+ uint64 cur_shared_heap_start_off, cur_shared_heap_end_off; \
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+ for (cur = shared_heap; cur; cur = cur->chain_next) { \
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+ cur_shared_heap_start_off = get_shared_heap_start_off(cur); \
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+ cur_shared_heap_end_off = \
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+ cur_shared_heap_start_off - 1 + cur->size; \
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+ if ((app_addr) >= cur_shared_heap_start_off \
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+ && (app_addr) <= cur_shared_heap_end_off - bytes + 1) { \
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+ shared_heap_start_off = cur_shared_heap_start_off; \
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+ shared_heap_end_off = cur_shared_heap_end_off; \
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+ shared_heap_base_addr = cur->base_addr; \
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+ in_chain = true; \
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+ break; \
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+ } \
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+ } \
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+ in_chain; \
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+ })
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+
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+#define shared_heap_addr_app_to_native(app_addr, native_addr) \
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+ native_addr = shared_heap_base_addr + ((app_addr)-shared_heap_start_off)
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+
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+#define CHECK_SHARED_HEAP_OVERFLOW(app_addr, bytes, native_addr) \
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+ if (app_addr_in_shared_heap(app_addr, bytes)) \
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+ shared_heap_addr_app_to_native(app_addr, native_addr); \
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+ else
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+#else
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+#define CHECK_SHARED_HEAP_OVERFLOW(app_addr, bytes, native_addr)
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+#endif /* end of WASM_ENABLE_SHARED_HEAP != 0 */
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+
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#ifdef __cplusplus
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}
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#endif
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TL