First baby steps to supporting memory accesses

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Currently we don't actually sandbox the memory at all, so you can do evil things
like read and write the host's memory. We also don't support growing memory or
cranelift-compatible ABI that passes the memory offset as an argument.

We also always immediately allocate the buffer when encountering a memory section,
there is preliminary support for translating a buffer which can then have the real
offset replaced using relocations (and returning a different type when doing so)
but I haven't written the code that actually does relocation so it doesn't work yet.

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Jef

2019-01-11 15:20:32 +01:00

parent ddb4c0fd19

commit 1eebc65c9e

7 changed files with 1741 additions and 1237 deletions

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src/backend.rs

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