Passive segments (#1976)

Adds support for the bulk memory proposal's passive segments. Uses a
new (data passive ...) s-expression syntax to mark sections as
passive.

1 files changed, 7 insertions, 2 deletions

diff --git a/src/js/binaryen.js-post.js b/src/js/binaryen.js-post.js
index 1796080fc..b9f6b426c 100644
--- a/src/js/binaryen.js-post.js
+++ b/src/js/binaryen.js-post.js
@@ -1831,8 +1831,8 @@ function wrapModule(module, self) {
       );
     });
   };
-  self['setMemory'] = function(initial, maximum, exportName, segments, shared) {
-    // segments are assumed to be { offset: expression ref, data: array of 8-bit data }
+  self['setMemory'] = function(initial, maximum, exportName, segments, flags, shared) {
+    // segments are assumed to be { passive: bool, offset: expression ref, data: array of 8-bit data }
     if (!segments) segments = [];
     return preserveStack(function() {
       return Module['_BinaryenSetMemory'](
@@ -1842,6 +1842,11 @@ function wrapModule(module, self) {
             return allocate(segment.data, 'i8', ALLOC_STACK);
           })
         ),
+        i8sToStack(
+          segments.map(function(segment) {
+            return segment.passive;
+          })
+        ),
         i32sToStack(
           segments.map(function(segment) {
             return segment.offset;