twiggy/notes.txt at fix-326-contd · data-pup/twiggy · GitHub

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```
;; `threads.wat` fixture
;;
;; Built with `wat2wasm --enable-bulk-memory --enable-threads`
(module
 (memory $0 1 1)
 (data (i32.const 0) "")
 (func $f (data.drop 0))
)
```

```
; wasm-objdump --headers twiggy/tests/all/fixtures/threads.wasm

threads.wasm:	file format wasm 0x1

Sections:

     Type start=0x0000000a end=0x0000000e (size=0x00000004) count: 1
 Function start=0x00000010 end=0x00000012 (size=0x00000002) count: 1
   Memory start=0x00000014 end=0x00000018 (size=0x00000004) count: 1
DataCount start=0x0000001a end=0x0000001b (size=0x00000001) count: 1
     Code start=0x0000001d end=0x00000024 (size=0x00000007) count: 1
     Data start=0x00000026 end=0x0000002c (size=0x00000006) count: 1
```

```
; wasm-objdump --full-contents twiggy/tests/all/fixtures/threads.wasm

threads.wasm:	file format wasm 0x1

Contents of section Type:
000000a: 0160 0000                                .`..

Contents of section Function:
0000010: 0100                                     ..

Contents of section Memory:
0000014: 0101 0101                                ....

Contents of section DataCount:
000001a: 01                                       .

Contents of section Code:
000001d: 0105 00fc 0900 0b                        .......

Contents of section Data:
0000026: 0100 4100 0b00                           ..A...
```

```
; target/debug/twiggy top twiggy/tests/all/fixtures/threads.wasm

 Shallow Bytes │ Shallow % │ Item
───────────────┼───────────┼───────────────────────
             8 ┊    18.18% ┊ wasm magic bytes
             7 ┊    15.91% ┊ code[0]
             6 ┊    13.64% ┊ code section headers
             5 ┊    11.36% ┊ data[0]
             3 ┊     6.82% ┊ type[0]: () -> nil
             3 ┊     6.82% ┊ type section headers
             3 ┊     6.82% ┊ memory[0]
             3 ┊     6.82% ┊ memory section headers
             3 ┊     6.82% ┊ "data count" section
             3 ┊     6.82% ┊ data section headers
            44 ┊   100.00% ┊ Σ [10 Total Rows]
```

```
; exa -l --header twiggy/tests/all/fixtures/threads.wasm

Permissions Size User    Date Modified Name
.rw-rw-r--    44 katelyn 21 Jun 23:07  twiggy/tests/all/fixtures/threads.wasm
```