Improve error messages in binary reader (#421)

1 files changed, 5 insertions, 5 deletions

diff --git a/src/binary-reader.cc b/src/binary-reader.cc
index 435d4d5d..67567173 100644
--- a/src/binary-reader.cc
+++ b/src/binary-reader.cc
@@ -1213,7 +1213,7 @@ static void read_export_section(Context* ctx, uint32_t section_size) {
     uint8_t external_kind;
     in_u8(ctx, &external_kind, "export external kind");
     RAISE_ERROR_UNLESS(is_valid_external_kind(external_kind),
-                       "invalid export external kind");
+                       "invalid export external kind: %d", external_kind);
 
     uint32_t item_index;
     in_u32_leb128(ctx, &item_index, "export item index");
@@ -1224,15 +1224,15 @@ static void read_export_section(Context* ctx, uint32_t section_size) {
         break;
       case ExternalKind::Table:
         RAISE_ERROR_UNLESS(item_index < num_total_tables(ctx),
-                           "invalid export table index");
+                           "invalid export table index: %d", item_index);
         break;
       case ExternalKind::Memory:
         RAISE_ERROR_UNLESS(item_index < num_total_memories(ctx),
-                           "invalid export memory index");
+                           "invalid export memory index: %d", item_index);
         break;
       case ExternalKind::Global:
         RAISE_ERROR_UNLESS(item_index < num_total_globals(ctx),
-                           "invalid export global index");
+                           "invalid export global index: %d", item_index);
         break;
     }
 
@@ -1247,7 +1247,7 @@ static void read_start_section(Context* ctx, uint32_t section_size) {
   uint32_t func_index;
   in_u32_leb128(ctx, &func_index, "start function index");
   RAISE_ERROR_UNLESS(func_index < num_total_funcs(ctx),
-                     "invalid start function index");
+                     "invalid start function index: %d", func_index);
   CALLBACK(OnStartFunction, func_index);
   CALLBACK0(EndStartSection);
 }