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35 lines
1.2 KiB
35 lines
1.2 KiB
(module $m
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(memory (export "mem") 1)
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(func (export "load") (param i32) (result i32)
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local.get 0
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i32.load8_u))
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(register "m" $m)
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(assert_trap
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(module
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(memory (import "m" "mem") 1)
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;; This is in bounds, and should get written to the memory.
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(data (i32.const 0) "abc")
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;; Partially out of bounds. None of these bytes should get written, and
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;; instantiation should trap.
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(data (i32.const 65530) "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz")
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)
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"out of bounds"
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)
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;; The first data segment got written.
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(assert_return (invoke $m "load" (i32.const 0)) (i32.const 97))
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(assert_return (invoke $m "load" (i32.const 1)) (i32.const 98))
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(assert_return (invoke $m "load" (i32.const 2)) (i32.const 99))
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;; The second did not get partially written.
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(assert_return (invoke $m "load" (i32.const 65530)) (i32.const 0))
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(assert_return (invoke $m "load" (i32.const 65531)) (i32.const 0))
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(assert_return (invoke $m "load" (i32.const 65532)) (i32.const 0))
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(assert_return (invoke $m "load" (i32.const 65533)) (i32.const 0))
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(assert_return (invoke $m "load" (i32.const 65534)) (i32.const 0))
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(assert_return (invoke $m "load" (i32.const 65535)) (i32.const 0))
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