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Merge pull request #85979 from egorzhdan/egorzhdan/android-ptrauth

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[cxx-interop] Handle missing `<ptrauth.h>`
This commit is contained in:
Egor Zhdan
2025-12-12 10:04:02 +00:00
committed by GitHub
parent 22d182552c 063b906966
commit ab275373fe
1 changed files with 8 additions and 0 deletions
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8
stdlib/public/Cxx/cxxshim/libcxxstdlibshim.h
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@@ -2,7 +2,9 @@
#include <functional> #include <functional>
#include <string> #include <string>
#include <type_traits> #include <type_traits>
#if __has_include(<ptrauth.h>)
#include <ptrauth.h> #include <ptrauth.h>
#endif
/// Used for std::string conformance to Swift.Hashable /// Used for std::string conformance to Swift.Hashable
typedef std::hash<std::string> __swift_interopHashOfString; typedef std::hash<std::string> __swift_interopHashOfString;
@@ -68,10 +70,16 @@ struct __SwiftFunctionWrapper {
__swift_interop_closure closure; __swift_interop_closure closure;
Result operator()(Args... args) const { Result operator()(Args... args) const {
#if __has_include(<ptrauth.h>)
return ((LoweredFunction *)ptrauth_auth_and_resign( return ((LoweredFunction *)ptrauth_auth_and_resign(
closure.func, ptrauth_key_asia, PtrAuthTypeDiscriminator, closure.func, ptrauth_key_asia, PtrAuthTypeDiscriminator,
ptrauth_key_function_pointer, 0))(std::forward<Args>(args)..., ptrauth_key_function_pointer, 0))(std::forward<Args>(args)...,
closure.context); closure.context);
#else
// Android NDK 28 does not define the ptrauth macros.
return ((LoweredFunction *)closure.func)(std::forward<Args>(args)...,
closure.context);
#endif
} }
// A memberwise constructor is synthesized by Swift. // A memberwise constructor is synthesized by Swift.