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| author | Akira Hatanaka <ahatanak@gmail.com> | 2024-07-24 02:04:37 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-24 02:04:37 -0700 |
| commit | 666e3326fedfb6a033494c36c36aa95c4124d642 (patch) | |
| tree | 4d9508e3feee150710270c8c167ae550d43a5f90 /llvm/lib/CodeGen/MachineBlockPlacement.cpp | |
| parent | eff6250494b4bc7feb0199912245e5bacad6f984 (diff) | |
| download | llvm-666e3326fedfb6a033494c36c36aa95c4124d642.zip llvm-666e3326fedfb6a033494c36c36aa95c4124d642.tar.gz llvm-666e3326fedfb6a033494c36c36aa95c4124d642.tar.bz2 | |
[PAC] Define __builtin_ptrauth_type_discriminator (#100204)
The builtin computes the discriminator for a type, which can be used to
sign/authenticate function pointers and member function pointers.
If the type passed to the builtin is a C++ member function pointer type,
the result is the discriminator used to signed member function pointers
of that type. If the type is a function, function pointer, or function
reference type, the result is the discriminator used to sign functions
of that type. It is ill-formed to use this builtin with any other type.
A call to this function is an integer constant expression.
Co-Authored-By: John McCall rjmccall@apple.com
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
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