;;; TOOL: run-objdump
;;; ARGS0: -v --enable-exceptions
(module
  (event $e (param i32))
  (func
    block $b (result i32)
      try
      catch
        br_on_exn $b $e
        drop
      end
      i32.const 0
    end
    drop))
(;; STDOUT ;;;
0000000: 0061 736d                                 ; WASM_BINARY_MAGIC
0000004: 0100 0000                                 ; WASM_BINARY_VERSION
; section "Type" (1)
0000008: 01                                        ; section code
0000009: 00                                        ; section size (guess)
000000a: 02                                        ; num types
; type 0
000000b: 60                                        ; func
000000c: 01                                        ; num params
000000d: 7f                                        ; i32
000000e: 00                                        ; num results
; type 1
000000f: 60                                        ; func
0000010: 00                                        ; num params
0000011: 00                                        ; num results
0000009: 08                                        ; FIXUP section size
; section "Function" (3)
0000012: 03                                        ; section code
0000013: 00                                        ; section size (guess)
0000014: 01                                        ; num functions
0000015: 01                                        ; function 0 signature index
0000013: 02                                        ; FIXUP section size
; section "Event" (13)
0000016: 0d                                        ; section code
0000017: 00                                        ; section size (guess)
0000018: 01                                        ; event count
; event 0
0000019: 00                                        ; event attribute
000001a: 00                                        ; event signature index
0000017: 03                                        ; FIXUP section size
; section "DataCount" (12)
000001b: 0c                                        ; section code
000001c: 00                                        ; section size (guess)
000001d: 00                                        ; data count
000001c: 01                                        ; FIXUP section size
; section "Code" (10)
000001e: 0a                                        ; section code
000001f: 00                                        ; section size (guess)
0000020: 01                                        ; num functions
; function body 0
0000021: 00                                        ; func body size (guess)
0000022: 00                                        ; local decl count
0000023: 02                                        ; block
0000024: 7f                                        ; i32
0000025: 06                                        ; try
0000026: 40                                        ; void
0000027: 07                                        ; catch
0000028: 0a                                        ; br_on_exn
0000029: 01                                        ; break depth
000002a: 00                                        ; event index
000002b: 1a                                        ; drop
000002c: 0b                                        ; end
000002d: 41                                        ; i32.const
000002e: 00                                        ; i32 literal
000002f: 0b                                        ; end
0000030: 1a                                        ; drop
0000031: 0b                                        ; end
0000021: 10                                        ; FIXUP func body size
000001f: 12                                        ; FIXUP section size
; move data: [1e, 32) -> [1b, 2f)
; truncate to 47 (0x2f)

br_on_exn.wasm:	file format wasm 0x1

Code Disassembly:

00001f func[0]:
 000020: 02 7f                      | block i32
 000022: 06 40                      |   try
 000024: 07                         |   catch
 000025: 0a 01 00                   |     br_on_exn 1 0
 000028: 1a                         |     drop
 000029: 0b                         |   end
 00002a: 41 00                      |   i32.const 0
 00002c: 0b                         | end
 00002d: 1a                         | drop
 00002e: 0b                         | end
;;; STDOUT ;;)