macaw/test-tail-call.exe.expected at 6a4f406c680dc0438799ef5c95c94311e07e722a - macaw - gitea: Gitea Service

GaloisInc/macaw

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Tristan Ravitch 6a4f406c68 Revisit handling of tail calls

It turns out that we have to be more conservative with tail call identification,
as incorrectly identifying a block as the target of a tail call (instead of a
branch) can cause other branch classifiers to fail if that block is the target
of another jump.

Ultimately, we will need to give up some tail call recognition (since they are
in general indistinguishable from jumps), and instead only identify known call
targets as tail call candidates.

With additional global analysis we could do better.

Fixes #294

2022-06-27 15:02:43 -07:00

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 R { funcs = [ (Addr 1 0x2c0, [(Addr 1 0x2c0, 7)])
             , (Addr 1 0x2d0, [(Addr 1 0x2d0, 11)])
             , (Addr 1 0x2e0, [(Addr 1 0x2e0, 11), (Addr 1 0x2eb, 16), (Addr 1 0x2fb, 1)])
             ]
   , ignoreBlocks = []
   }