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nm_c_wat.sh
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nm_c_wat.sh
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#!/bin/bash
# https://www.reddit.com/r/bash/comments/10i09se/comment/j5blsrw/
# https://github.com/bytecodealliance/wasmtime/issues/3715#issuecomment-1399308863
script='
(module
(type (;0;) (func (param i32 i32 i32) (result i32)))
(type (;1;) (func (param i32 i64 i32) (result i64)))
(type (;2;) (func (param i32) (result i32)))
(type (;3;) (func (param i32 i32) (result i32)))
(type (;4;) (func (param i32 i32 i32 i32) (result i32)))
(type (;5;) (func (param i32 i64 i32 i32) (result i32)))
(type (;6;) (func (param i32)))
(type (;7;) (func))
(type (;8;) (func (result i32)))
(import "wasi_snapshot_preview1" "fd_close" (func $__imported_wasi_snapshot_preview1_fd_close (type 2)))
(import "wasi_snapshot_preview1" "fd_fdstat_get" (func $__imported_wasi_snapshot_preview1_fd_fdstat_get (type 3)))
(import "wasi_snapshot_preview1" "fd_read" (func $__imported_wasi_snapshot_preview1_fd_read (type 4)))
(import "wasi_snapshot_preview1" "fd_seek" (func $__imported_wasi_snapshot_preview1_fd_seek (type 5)))
(import "wasi_snapshot_preview1" "fd_write" (func $__imported_wasi_snapshot_preview1_fd_write (type 4)))
(import "wasi_snapshot_preview1" "proc_exit" (func $__imported_wasi_snapshot_preview1_proc_exit (type 6)))
(func $__wasm_call_ctors (type 7))
(func $_start (type 7)
(local i32)
block ;; label = @1
block ;; label = @2
i32.const 0
i32.load offset=1280
br_if 0 (;@2;)
i32.const 0
i32.const 1
i32.store offset=1280
call $__wasm_call_ctors
call $__original_main
local.set 0
call $__wasm_call_dtors
local.get 0
br_if 1 (;@1;)
return
end
unreachable
unreachable
end
local.get 0
call $__wasi_proc_exit
unreachable)
(func $getMessage (type 2) (param i32) (result i32)
(local i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32)
global.get $__stack_pointer
local.set 1
i32.const 16
local.set 2
local.get 1
local.get 2
i32.sub
local.set 3
local.get 3
global.set $__stack_pointer
local.get 3
local.get 0
i32.store offset=12
i32.const 0
local.set 4
local.get 3
local.get 4
i32.store offset=8
i32.const 0
local.set 5
local.get 5
i32.load offset=1024
local.set 6
i32.const 8
local.set 7
local.get 3
local.get 7
i32.add
local.set 8
local.get 8
local.set 9
i32.const 4
local.set 10
i32.const 1
local.set 11
local.get 9
local.get 10
local.get 11
local.get 6
call $fread
local.set 12
local.get 3
local.get 12
i32.store offset=4
local.get 3
i32.load offset=8
local.set 13
i32.const 1
local.set 14
local.get 13
local.get 14
i32.add
local.set 15
i32.const 1
local.set 16
local.get 15
local.get 16
call $calloc
local.set 17
local.get 3
local.get 17
i32.store
local.get 3
i32.load
local.set 18
local.get 3
i32.load offset=8
local.set 19
i32.const 0
local.set 20
local.get 20
i32.load offset=1024
local.set 21
i32.const 1
local.set 22
local.get 18
local.get 22
local.get 19
local.get 21
call $fread
local.set 23
local.get 3
local.get 23
i32.store offset=4
local.get 3
i32.load offset=8
local.set 24
local.get 3
i32.load offset=12
local.set 25
local.get 25
local.get 24
i32.store
local.get 3
i32.load
local.set 26
i32.const 16
local.set 27
local.get 3
local.get 27
i32.add
local.set 28
local.get 28
global.set $__stack_pointer
local.get 26
return)
(func $sendMessage (type 6) (param i32)
(local i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32)
global.get $__stack_pointer
local.set 1
i32.const 16
local.set 2
local.get 1
local.get 2
i32.sub
local.set 3
local.get 3
global.set $__stack_pointer
local.get 3
local.get 0
i32.store offset=12
local.get 3
i32.load offset=12
local.set 4
local.get 4
call $strlen
local.set 5
local.get 3
local.get 5
i32.store offset=8
i32.const 0
local.set 6
local.get 6
i32.load offset=1028
local.set 7
i32.const 8
local.set 8
local.get 3
local.get 8
i32.add
local.set 9
local.get 9
local.set 10
i32.const 4
local.set 11
i32.const 1
local.set 12
local.get 10
local.get 11
local.get 12
local.get 7
call $fwrite
drop
local.get 3
i32.load offset=12
local.set 13
local.get 3
i32.load offset=8
local.set 14
i32.const 0
local.set 15
local.get 15
i32.load offset=1028
local.set 16
i32.const 1
local.set 17
local.get 13
local.get 14
local.get 17
local.get 16
call $fwrite
drop
i32.const 0
local.set 18
local.get 18
i32.load offset=1028
local.set 19
local.get 19
call $fflush
drop
i32.const 16
local.set 20
local.get 3
local.get 20
i32.add
local.set 21
local.get 21
global.set $__stack_pointer
return)
(func $__original_main (type 8) (result i32)
(local i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32)
global.get $__stack_pointer
local.set 0
i32.const 16
local.set 1
local.get 0
local.get 1
i32.sub
local.set 2
local.get 2
global.set $__stack_pointer
i32.const 0
local.set 3
local.get 2
local.get 3
i32.store offset=12
loop (result i32) ;; label = @1
i32.const 0
local.set 4
local.get 2
local.get 4
i32.store offset=8
i32.const 8
local.set 5
local.get 2
local.get 5
i32.add
local.set 6
local.get 6
local.set 7
local.get 7
call $getMessage
local.set 8
local.get 2
local.get 8
i32.store offset=4
local.get 2
i32.load offset=4
local.set 9
local.get 9
call $sendMessage
local.get 2
i32.load offset=4
local.set 10
local.get 10
call $free
br 0 (;@1;)
end)
(func $dlmalloc (type 2) (param i32) (result i32)
(local i32 i32 i32 i32 i32 i32 i32 i32 i32 i32 i32)
global.get $__stack_pointer
i32.const 16
i32.sub
local.tee 1
global.set $__stack_pointer
block ;; label = @1
i32.const 0
i32.load offset=1308
local.tee 2
br_if 0 (;@1;)
block ;; label = @2
block ;; label = @3
i32.const 0
i32.load offset=1756
local.tee 3
i32.eqz
br_if 0 (;@3;)
i32.const 0
i32.load offset=1760
local.set 4
br 1 (;@2;)
end
i32.const 0
i64.const -1
i64.store offset=1768 align=4
i32.const 0
i64.const 281474976776192
i64.store offset=1760 align=4
i32.const 0
local.get 1
i32.const 8
i32.add
i32.const -16
i32.and
i32.const 1431655768
i32.xor
local.tee 3
i32.store offset=1756
i32.const 0
i32.const 0
i32.store offset=1776
i32.const 0
i32.const 0
i32.store offset=1728
i32.const 65536
local.set 4
end
i32.const 0
local.set 2
i32.const 131072
i32.const 69408
local.get 4
i32.add
i32.const -1
i32.add
i32.const 0
local.get 4
i32.sub
i32.and
i32.const 131072
select
i32.const 69408
i32.sub
local.tee 5
i32.const 89
i32.lt_u
br_if 0 (;@1;)
i32.const 0
local.set 4
i32.const 0
local.get 5
i32.store offset=1736
i32.const 0
i32.const 69408
i32.store offset=1732
i32.const 0
i32.const 69408
i32.store offset=1300
i32.const 0
local.get 3
i32.store offset=1320
i32.const 0
i32.const -1
i32.store offset=1316
loop ;; label = @2
local.get 4
i32.const 1344
i32.add
local.get 4
i32.const 1332
i32.add
local.tee 3
i32.store
local.get 3
local.get 4
i32.const 1324
i32.add
local.tee 6
i32.store
local.get 4
i32.const 1336
i32.add
local.get 6
i32.store
local.get 4
i32.const 1352
i32.add
local.get 4
i32.const 1340
i32.add
local.tee 6
i32.store
local.get 6
local.get 3
i32.store
local.get 4
i32.const 1360
i32.add
local.get 4
i32.const 1348
i32.add
local.tee 3
i32.store
local.get 3
local.get 6
i32.store
local.get 4
i32.const 1356
i32.add
local.get 3
i32.store
local.get 4
i32.const 32
i32.add
local.tee 4
i32.const 256
i32.ne
br_if 0 (;@2;)
end
i32.const 69408
i32.const -8
i32.const 69408
i32.sub
i32.const 15
i32.and
i32.const 0
i32.const 69408
i32.const 8
i32.add
i32.const 15
i32.and
select
local.tee 4
i32.add
local.tee 2
i32.const 4
i32.add
local.get 5
i32.const -56
i32.add
local.tee 3
local.get 4
i32.sub
local.tee 4
i32.const 1
i32.or
i32.store
i32.const 0
i32.const 0
i32.load offset=1772
i32.store offset=1312
i32.const 0
local.get 4
i32.store offset=1296
i32.const 0
local.get 2
i32.store offset=1308
i32.const 69408
local.get 3
i32.add
i32.const 56
i32.store offset=4
end
block ;; label = @1
block ;; label = @2
block ;; label = @3
block ;; label = @4
block ;; label = @5
block ;; label = @6
block ;; label = @7
block ;; label = @8
block ;; label = @9
block ;; label = @10
block ;; label = @11
block ;; label = @12
local.get 0
i32.const 236
i32.gt_u
br_if 0 (;@12;)
block ;; label = @13
i32.const 0
i32.load offset=1284
local.tee 7
i32.const 16
local.get 0
i32.const 19
i32.add
i32.const -16
i32.and
local.get 0
i32.const 11
i32.lt_u
select
local.tee 5
i32.const 3
i32.shr_u
local.tee 3
i32.shr_u
local.tee 4
i32.const 3
i32.and
i32.eqz
br_if 0 (;@13;)
block ;; label = @14
block ;; label = @15
local.get 4
i32.const 1
i32.and
local.get 3
i32.or
i32.const 1
i32.xor
local.tee 6
i32.const 3
i32.shl
local.tee 3
i32.const 1324
i32.add
local.tee 4
local.get 3
i32.const 1332
i32.add
i32.load
local.tee 3
i32.load offset=8
local.tee 5
i32.ne
br_if 0 (;@15;)
i32.const 0
local.get 7
i32.const -2
local.get 6
i32.rotl
i32.and
i32.store offset=1284
br 1 (;@14;)
end
local.get 4
local.get 5
i32.store offset=8
local.get 5
local.get 4
i32.store offset=12
end
local.get 3
i32.const 8
i32.add
local.set 4
local.get 3
local.get 6
i32.const 3
i32.shl
local.tee 6
i32.const 3
i32.or
i32.store offset=4
local.get 3
local.get 6
i32.add
local.tee 3
local.get 3
i32.load offset=4
i32.const 1
i32.or
i32.store offset=4
br 12 (;@1;)
end
local.get 5
i32.const 0
i32.load offset=1292
local.tee 8
i32.le_u
br_if 1 (;@11;)
block ;; label = @13
local.get 4
i32.eqz
br_if 0 (;@13;)
block ;; label = @14
block ;; label = @15
local.get 4
local.get 3
i32.shl
i32.const 2
local.get 3
i32.shl
local.tee 4
i32.const 0
local.get 4
i32.sub
i32.or
i32.and
local.tee 4
i32.const 0
local.get 4
i32.sub
i32.and
i32.ctz
local.tee 3
i32.const 3
i32.shl
local.tee 4
i32.const 1324
i32.add
local.tee 6
local.get 4
i32.const 1332
i32.add
i32.load
local.tee 4
i32.load offset=8
local.tee 0
i32.ne
br_if 0 (;@15;)
i32.const 0
local.get 7
i32.const -2
local.get 3
i32.rotl
i32.and
local.tee 7
i32.store offset=1284
br 1 (;@14;)
end
local.get 6
local.get 0
i32.store offset=8
local.get 0
local.get 6
i32.store offset=12
end
local.get 4
local.get 5
i32.const 3
i32.or
i32.store offset=4
local.get 4
local.get 3
i32.const 3
i32.shl
local.tee 3
i32.add
local.get 3
local.get 5
i32.sub
local.tee 6
i32.store
local.get 4
local.get 5
i32.add
local.tee 0
local.get 6
i32.const 1
i32.or
i32.store offset=4
block ;; label = @14
local.get 8
i32.eqz
br_if 0 (;@14;)
local.get 8
i32.const -8
i32.and
i32.const 1324
i32.add
local.set 5
i32.const 0
i32.load offset=1304
local.set 3
block ;; label = @15
block ;; label = @16
local.get 7
i32.const 1
local.get 8
i32.const 3
i32.shr_u
i32.shl
local.tee 9
i32.and
br_if 0 (;@16;)
i32.const 0
local.get 7
local.get 9
i32.or
i32.store offset=1284
local.get 5
local.set 9
br 1 (;@15;)
end
local.get 5
i32.load offset=8
local.set 9
end
local.get 9
local.get 3
i32.store offset=12
local.get 5
local.get 3
i32.store offset=8
local.get 3
local.get 5
i32.store offset=12
local.get 3
local.get 9
i32.store offset=8
end
local.get 4
i32.const 8
i32.add
local.set 4
i32.const 0
local.get 0
i32.store offset=1304
i32.const 0
local.get 6
i32.store offset=1292
br 12 (;@1;)
end
i32.const 0
i32.load offset=1288
local.tee 10
i32.eqz
br_if 1 (;@11;)
local.get 10
i32.const 0
local.get 10
i32.sub
i32.and
i32.ctz
i32.const 2
i32.shl
i32.const 1588
i32.add
i32.load
local.tee 0
i32.load offset=4
i32.const -8
i32.and
local.get 5
i32.sub
local.set 3
local.get 0
local.set 6
block ;; label = @13
loop ;; label = @14
block ;; label = @15
local.get 6
i32.load offset=16
local.tee 4
br_if 0 (;@15;)
local.get 6
i32.const 20
i32.add
i32.load
local.tee 4
i32.eqz
br_if 2 (;@13;)
end
local.get 4
i32.load offset=4
i32.const -8
i32.and
local.get 5
i32.sub
local.tee 6
local.get 3
local.get 6
local.get 3
i32.lt_u
local.tee 6
select
local.set 3
local.get 4
local.get 0
local.get 6
select
local.set 0
local.get 4
local.set 6
br 0 (;@14;)
end
end
local.get 0
i32.load offset=24
local.set 11
block ;; label = @13
local.get 0
i32.load offset=12
local.tee 9
local.get 0
i32.eq
br_if 0 (;@13;)
local.get 0
i32.load offset=8
local.tee 4
i32.const 0
i32.load offset=1300
i32.lt_u
drop
local.get 9
local.get 4
i32.store offset=8
local.get 4
local.get 9
i32.store offset=12
br 11 (;@2;)
end
block ;; label = @13
local.get 0
i32.const 20
i32.add
local.tee 6
i32.load
local.tee 4
br_if 0 (;@13;)
local.get 0
i32.load offset=16
local.tee 4
i32.eqz
br_if 3 (;@10;)
local.get 0
i32.const 16
i32.add
local.set 6
end
loop ;; label = @13
local.get 6
local.set 2
local.get 4
local.tee 9
i32.const 20
i32.add
local.tee 6
i32.load
local.tee 4
br_if 0 (;@13;)
local.get 9
i32.const 16
i32.add
local.set 6
local.get 9
i32.load offset=16
local.tee 4
br_if 0 (;@13;)
end
local.get 2
i32.const 0
i32.store
br 10 (;@2;)
end
i32.const -1
local.set 5
local.get 0
i32.const -65
i32.gt_u
br_if 0 (;@11;)
local.get 0
i32.const 19
i32.add
local.tee 4
i32.const -16
i32.and
local.set 5
i32.const 0
i32.load offset=1288
local.tee 10
i32.eqz
br_if 0 (;@11;)
i32.const 0
local.set 8
block ;; label = @12
local.get 5
i32.const 256
i32.lt_u
br_if 0 (;@12;)
i32.const 31
local.set 8
local.get 5
i32.const 16777215
i32.gt_u
br_if 0 (;@12;)
local.get 5
i32.const 38
local.get 4
i32.const 8
i32.shr_u
i32.clz
local.tee 4
i32.sub
i32.shr_u
i32.const 1
i32.and
local.get 4
i32.const 1
i32.shl
i32.sub
i32.const 62
i32.add
local.set 8
end
i32.const 0
local.get 5
i32.sub
local.set 3
block ;; label = @12
block ;; label = @13
block ;; label = @14
block ;; label = @15
local.get 8
i32.const 2
i32.shl
i32.const 1588
i32.add
i32.load
local.tee 6
br_if 0 (;@15;)
i32.const 0
local.set 4
i32.const 0
local.set 9
br 1 (;@14;)
end
i32.const 0
local.set 4
local.get 5
i32.const 0
i32.const 25
local.get 8
i32.const 1
i32.shr_u
i32.sub
local.get 8
i32.const 31
i32.eq
select
i32.shl
local.set 0
i32.const 0
local.set 9
loop ;; label = @15
block ;; label = @16
local.get 6
i32.load offset=4
i32.const -8
i32.and
local.get 5
i32.sub
local.tee 7
local.get 3
i32.ge_u
br_if 0 (;@16;)
local.get 7
local.set 3
local.get 6
local.set 9
local.get 7
br_if 0 (;@16;)
i32.const 0
local.set 3
local.get 6
local.set 9
local.get 6
local.set 4
br 3 (;@13;)
end
local.get 4
local.get 6
i32.const 20
i32.add
i32.load
local.tee 7
local.get 7
local.get 6
local.get 0
i32.const 29
i32.shr_u
i32.const 4
i32.and
i32.add
i32.const 16
i32.add
i32.load
local.tee 6
i32.eq
select
local.get 4
local.get 7
select
local.set 4
local.get 0
i32.const 1
i32.shl
local.set 0
local.get 6