a3283a92ae
The qualifier allows programmer to directly control how pointers are signed when they are stored in a particular variable. The qualifier takes three arguments: the signing key, a flag specifying whether address discrimination should be used, and a non-negative integer that is used for additional discrimination. ``` typedef void (*my_callback)(const void*); my_callback __ptrauth(ptrauth_key_process_dependent_code, 1, 0xe27a) callback; ``` Co-Authored-By: John McCall rjmccall@apple.com
14 lines
407 B
C
14 lines
407 B
C
// RUN: %clang_cc1 -E %s -triple=aarch64 -fptrauth-intrinsics | \
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// RUN: FileCheck %s --check-prefixes=INTRIN
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// RUN: %clang_cc1 -E %s -triple=aarch64 -fptrauth-calls | \
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// RUN: FileCheck %s --check-prefixes=NOINTRIN
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#if __has_extension(ptrauth_qualifier)
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// INTRIN: has_ptrauth_qualifier
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void has_ptrauth_qualifier() {}
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#else
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// NOINTRIN: no_ptrauth_qualifier
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void no_ptrauth_qualifier() {}
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#endif
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