Represent dylink section in IR, so we can update it. (#2715)

Update it from wasm-emscripten-finalize when we append
to the table.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/wasm.h b/src/wasm.h
index 21fef1049..73f22e7d7 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -1460,6 +1460,13 @@ public:
   std::vector<char> data;
 };
 
+// The optional "dylink" section is used in dynamic linking.
+class DylinkSection {
+public:
+  Index memorySize, memoryAlignment, tableSize, tableAlignment;
+  std::vector<Name> neededDynlibs;
+};
+
 class Module {
 public:
   // wasm contents (generally you shouldn't access these from outside, except
@@ -1475,6 +1482,9 @@ public:
 
   std::vector<UserSection> userSections;
 
+  // Optional user section IR representation.
+  std::unique_ptr<DylinkSection> dylinkSection;
+
   // Source maps debug info.
   std::vector<std::string> debugInfoFileNames;