Move rewind buffer to after TLS area if it's at the bottom of the stack #4639
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This PR is a draft because I'm not done testing the changes out yet, will mark ready once I'm confident nothing is broken. |
Arshia001
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theduke
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theduke
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May 7, 2024
john-sharratt
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May 7, 2024
| @@ -870,6 +870,21 @@ pub(crate) fn get_stack_upper(env: &WasiEnv) -> u64 { | |||
| env.layout.stack_upper | |||
| } | |||
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| fn get_unwind_buffer_start(env: &WasiEnv) -> u64 { | |||
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I would have just put this in the WasuMemoryLayout struct Impl section instead
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This PR fixes the issue of unwind/rewind overwriting TLS if it's on the bottom of the stack.
Note, there is a breaking change to the journal archive format.