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77fc03f4cd
This: 1) Defines the ABI hash of a package (as the SHA1 of the __.PKGDEF) 2) Defines the ABI hash of a shared library (sort the packages by import path, concatenate the hashes of the packages and SHA1 that) 3) When building a shared library, compute the above value and define a global symbol that points to a go string that has the hash as its value. 4) When linking against a shared library, read the abi hash from the library and put both the value seen at link time and a reference to the global symbol into the moduledata. 5) During runtime initialization, check that the hash seen at link time still matches the hash the global symbol points to. Change-Id: Iaa54c783790e6dde3057a2feadc35473d49614a5 Reviewed-on: https://go-review.googlesource.com/8773 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com> |
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