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Merge "Define macros for LLNDK versioning" into main

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Treehugger Robot 2024-03-14 05:58:32 +00:00 committed by Gerrit Code Review
commit 9bceea5a7f
1 changed files with 14 additions and 7 deletions
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libvendorsupport/include_llndk/android/llndk-versioning.h
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@ -32,18 +32,25 @@ __BEGIN_DECLS
"call with '#if (__ANDROID_VENDOR_API__ >= " #vendor_api_level ")'."))) \
_Pragma("clang diagnostic pop")
// For the vendor libraries, __INTRODUCED_IN must be ignored because they are only for NDKs but not
// for LLNDKs.
#undef __INTRODUCED_IN
#define __INTRODUCED_IN(x)
// Use this macro as an `if` statement to call an API that are available to both NDK and LLNDK.
// This returns true for the vendor modules if the vendor_api_level is less than or equal to the
// ro.board.api_level.
#define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) \
constexpr(__ANDROID_VENDOR_API__ >= vendor_api_level)
#else // __ANDROID_VENDOR__
// For non-vendor libraries, __INTRODUCED_IN_LLNDK must be ignored because it must not change
// symbols of NDK or the system side of the treble boundary. It leaves a no-op annotation for ABI
// analysis.
// __INTRODUCED_IN_LLNDK is for LLNDK only but not for NDK. Ignore this for non-vendor modules.
// It leaves a no-op annotation for ABI analysis.
#if !defined(__INTRODUCED_IN_LLNDK)
#define __INTRODUCED_IN_LLNDK(vendor_api_level) \
__attribute__((annotate("introduced_in_llndk=" #vendor_api_level)))
#endif
// For non-vendor modules, API_LEVEL_AT_LEAST is replaced with __builtin_available(sdk_api_level) to
// guard the API for __INTRODUCED_IN.
#define API_LEVEL_AT_LEAST(sdk_api_level, vendor_api_level) \
(__builtin_available(android sdk_api_level, *))
#endif // __ANDROID_VENDOR__