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Diffstat (limited to 'clang/include/clang/Basic/ABIVersions.def')
| -rw-r--r-- | clang/include/clang/Basic/ABIVersions.def | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/ABIVersions.def b/clang/include/clang/Basic/ABIVersions.def new file mode 100644 index 0000000..f6524bc --- /dev/null +++ b/clang/include/clang/Basic/ABIVersions.def @@ -0,0 +1,135 @@ +//===--- ABIVersions.def - Clang ABI Versions Database ----------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file enumerates Clang ABI versions. +// +//===----------------------------------------------------------------------===// +// +/// @file ABIVersions.def +/// +/// In this file, each of the Clang ABI Versions is enumerated +/// ABI_VER_MAJOR_MINOR, ABI_VER_MAJOR, or ABI_VER_LATEST macro. +/// +/// ABI_VER_MAJOR is used when the minor version is 0 or can be omitted. +/// +/// The first argument of ABI_VER_MAJOR_MINOR and ABI_VER_MAJOR is the major +/// version. +/// +/// The second argument of ABI_VER_MAJOR_MINOR is the minor version. +/// +/// The first argument of ABI_VER_LATEST is an identifier `Latest`. + +#if defined(ABI_VER_MAJOR_MINOR) != defined(ABI_VER_MAJOR) || \ + defined(ABI_VER_MAJOR) != defined(ABI_VER_LATEST) +# error ABI_VER_MAJOR_MINOR, ABI_VER_MAJOR and ABI_VER_LATEST should be defined simultaneously +#endif + +#ifndef ABI_VER_MAJOR_MINOR +# define ABI_VER_MAJOR_MINOR(Major, Minor) +#endif + +#ifndef ABI_VER_MAJOR +# define ABI_VER_MAJOR(Major) +#endif + +#ifndef ABI_VER_LATEST +# define ABI_VER_LATEST(Latest) +#endif + +/// Attempt to be ABI-compatible with code generated by Clang 3.8.x +/// (SVN r257626). This causes <1 x long long> to be passed in an integer +/// register instead of an SSE register on x64_64. +ABI_VER_MAJOR_MINOR(3, 8) + +/// Attempt to be ABI-compatible with code generated by Clang 4.0.x +/// (SVN r291814). This causes move operations to be ignored when determining +/// whether a class type can be passed or returned directly. +ABI_VER_MAJOR(4) + +/// Attempt to be ABI-compatible with code generated by Clang 6.0.x +/// (SVN r321711). This causes determination of whether a type is +/// standard-layout to ignore collisions between empty base classes and between +/// base classes and member subobjects, which affects whether we reuse base +/// class tail padding in some ABIs. +ABI_VER_MAJOR(6) + +/// Attempt to be ABI-compatible with code generated by Clang 7.0.x +/// (SVN r338536). This causes alignof (C++) and _Alignof (C11) to be compatible +/// with __alignof (i.e., return the preferred alignment) rather than returning +/// the required alignment. +ABI_VER_MAJOR(7) + +/// Attempt to be ABI-compatible with code generated by Clang 9.0.x +/// (SVN r351319). This causes vectors of __int128 to be passed in memory +/// instead of passing in multiple scalar registers on x86_64 on Linux and +/// NetBSD. +ABI_VER_MAJOR(9) + +/// Attempt to be ABI-compatible with code generated by Clang 11.0.x +/// (git 2e10b7a39b93). This causes clang to pass unions with a 256-bit vector +/// member on the stack instead of using registers, to not properly mangle +/// substitutions for template names in some cases, and to mangle declaration +/// template arguments without a cast to the parameter type even when that can +/// lead to mangling collisions. +ABI_VER_MAJOR(11) + +/// Attempt to be ABI-compatible with code generated by Clang 12.0.x +/// (git 8e464dd76bef). This causes clang to mangle lambdas within global-scope +/// inline variables incorrectly. +ABI_VER_MAJOR(12) + +/// Attempt to be ABI-compatible with code generated by Clang 14.0.x. +/// This causes clang to: +/// - mangle dependent nested names incorrectly. +/// - make trivial only those defaulted copy constructors with a +/// parameter-type-list equivalent to the parameter-type-list of an implicit +/// declaration. +ABI_VER_MAJOR(14) + +/// Attempt to be ABI-compatible with code generated by Clang 15.0.x. +/// This causes clang to: +/// - Reverse the implementation for CWG692, CWG1395 and CWG1432. +/// - pack non-POD members of packed structs. +/// - consider classes with defaulted special member functions non-pod. +ABI_VER_MAJOR(15) + +/// Attempt to be ABI-compatible with code generated by Clang 17.0.x. +/// This causes clang to revert some fixes to its implementation of the Itanium +/// name mangling scheme, with the consequence that overloaded function +/// templates are mangled the same if they differ only by: +/// - constraints +/// - whether a non-type template parameter has a deduced type +/// - the parameter list of a template template parameter +ABI_VER_MAJOR(17) + +/// Attempt to be ABI-compatible with code generated by Clang 18.0.x. +/// This causes clang to revert some fixes to the mangling of lambdas in the +/// initializers of members of local classes. +ABI_VER_MAJOR(18) + +/// Attempt to be ABI-compatible with code generated by Clang 19.0.x. +/// This causes clang to: +/// - Incorrectly mangle the 'base type' substitutions of the CXX construction +/// vtable because it hasn't added 'type' as a substitution. +/// - Skip mangling enclosing class templates of member-like friend function +/// templates. +/// - Ignore empty struct arguments in C++ mode for ARM, instead of passing +/// them as if they had a size of 1 byte. +ABI_VER_MAJOR(19) + +/// Attempt to be ABI-compatible with code generated by Clang 20.0.x. +/// This causes clang to: +/// - Incorrectly return C++ records in AVX registers on x86_64. +ABI_VER_MAJOR(20) + +/// Conform to the underlying platform's C and C++ ABIs as closely as we can. +ABI_VER_LATEST(Latest) + +#undef ABI_VER_MAJOR_MINOR +#undef ABI_VER_MAJOR +#undef ABI_VER_LATEST |