diff --git a/clang/test/Headers/arm-acle-header.c b/clang/test/Headers/arm-acle-header.c index fea8472183c87..58fcc6648bdec 100644 --- a/clang/test/Headers/arm-acle-header.c +++ b/clang/test/Headers/arm-acle-header.c @@ -10,6 +10,8 @@ // RUN: %clang_cc1 -x c++ -triple arm64ec-windows -target-cpu cortex-a53 -fsyntax-only -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=19.11 %s // expected-no-diagnostics +#include "system_reserved_names.h" + #include #ifdef _MSC_VER #include diff --git a/clang/test/Headers/arm-cde-header.c b/clang/test/Headers/arm-cde-header.c index 1f60368ee9033..526202ab4f280 100644 --- a/clang/test/Headers/arm-cde-header.c +++ b/clang/test/Headers/arm-cde-header.c @@ -9,5 +9,7 @@ // Check that the headers don't conflict with each other +#include "system_reserved_names.h" + #include #include diff --git a/clang/test/Headers/arm-cmse-header.c b/clang/test/Headers/arm-cmse-header.c index 862572d8adcd9..c21c1ff595b4f 100644 --- a/clang/test/Headers/arm-cmse-header.c +++ b/clang/test/Headers/arm-cmse-header.c @@ -2,6 +2,8 @@ // RUN: %clang_cc1 -triple thumbv8m.base-eabi -fsyntax-only -ffreestanding -x c++ %s -verify -mcmse // expected-no-diagnostics +#include "system_reserved_names.h" + #include typedef void (*callback_t)(void); diff --git a/clang/test/Headers/arm-fp16-header.c b/clang/test/Headers/arm-fp16-header.c index b1a87faebfe0b..e472654af24bd 100644 --- a/clang/test/Headers/arm-fp16-header.c +++ b/clang/test/Headers/arm-fp16-header.c @@ -18,4 +18,6 @@ // REQUIRES: aarch64-registered-target || arm-registered-target +#include "system_reserved_names.h" + #include diff --git a/clang/test/Headers/arm-neon-header.c b/clang/test/Headers/arm-neon-header.c index 89bd5aaa25420..43b1b355d99f4 100644 --- a/clang/test/Headers/arm-neon-header.c +++ b/clang/test/Headers/arm-neon-header.c @@ -26,4 +26,6 @@ // REQUIRES: aarch64-registered-target || arm-registered-target +#include "system_reserved_names.h" + #include diff --git a/clang/test/Headers/system_reserved_names.h b/clang/test/Headers/system_reserved_names.h new file mode 100644 index 0000000000000..1a53f4fa8c1ff --- /dev/null +++ b/clang/test/Headers/system_reserved_names.h @@ -0,0 +1,165 @@ +// Test that headers are not tripped up by the surrounding code defining various +// alphabetic macros. Also ensure that we don't swallow the definition of user +// provided macros (in other words, ensure that we push/pop correctly everywhere). +// +// The contents of this header is a lightly trimmed version of +// libcxx/test/libcxx/system_reserved_names.gen.py; additions to that testcase +// can be synced into this header as well. + +#define SYSTEM_RESERVED_NAME This name should not be used in Clang headers + +// libc++ does not use single-letter names as a matter of principle. +// But Windows' own , , and use many of these +// (at least C,E,F,I,M,N,P,S,X,Y,Z) as uglified function parameter names, +// so don't define these on Windows. +// +#ifndef _WIN32 +#define _A SYSTEM_RESERVED_NAME +#define _B SYSTEM_RESERVED_NAME +#define _C SYSTEM_RESERVED_NAME +#define _D SYSTEM_RESERVED_NAME +#define _E SYSTEM_RESERVED_NAME +#define _F SYSTEM_RESERVED_NAME +#define _G SYSTEM_RESERVED_NAME +#define _H SYSTEM_RESERVED_NAME +#define _I SYSTEM_RESERVED_NAME +#define _J SYSTEM_RESERVED_NAME +#define _K SYSTEM_RESERVED_NAME +#define _L SYSTEM_RESERVED_NAME +#define _M SYSTEM_RESERVED_NAME +#define _N SYSTEM_RESERVED_NAME +#define _O SYSTEM_RESERVED_NAME +#define _P SYSTEM_RESERVED_NAME +#define _Q SYSTEM_RESERVED_NAME +#define _R SYSTEM_RESERVED_NAME +#define _S SYSTEM_RESERVED_NAME +#define _T SYSTEM_RESERVED_NAME +#define _U SYSTEM_RESERVED_NAME +#define _V SYSTEM_RESERVED_NAME +#define _W SYSTEM_RESERVED_NAME +#define _X SYSTEM_RESERVED_NAME +#define _Y SYSTEM_RESERVED_NAME +#define _Z SYSTEM_RESERVED_NAME +#endif + +// FreeBSD's uses _M +// +#ifdef __FreeBSD__ +# undef _M +#endif + +// Test that libc++ doesn't use names that collide with FreeBSD system macros. +// newlib and picolibc also define these macros +#if !defined(__FreeBSD__) && !defined(_NEWLIB_VERSION) +# define __null_sentinel SYSTEM_RESERVED_NAME +# define __generic SYSTEM_RESERVED_NAME +#endif + +// tchar.h defines these macros on Windows +#ifndef _WIN32 +# define _UI SYSTEM_RESERVED_NAME +# define _PUC SYSTEM_RESERVED_NAME +# define _CPUC SYSTEM_RESERVED_NAME +# define _PC SYSTEM_RESERVED_NAME +# define _CRPC SYSTEM_RESERVED_NAME +# define _CPC SYSTEM_RESERVED_NAME +#endif + +// yvals.h on MINGW defines this macro +#ifndef _WIN32 +# define _C2 SYSTEM_RESERVED_NAME +#endif + +// Test that libc++ doesn't use names that collide with Win32 API macros. +// Obviously we can only define these on non-Windows platforms. +#ifndef _WIN32 +# define __allocator SYSTEM_RESERVED_NAME +# define __bound SYSTEM_RESERVED_NAME +# define __deallocate SYSTEM_RESERVED_NAME +# define __deref SYSTEM_RESERVED_NAME +# define __format_string SYSTEM_RESERVED_NAME +# define __full SYSTEM_RESERVED_NAME +# define __in SYSTEM_RESERVED_NAME +# define __inout SYSTEM_RESERVED_NAME +# define __nz SYSTEM_RESERVED_NAME +# define __out SYSTEM_RESERVED_NAME +# define __part SYSTEM_RESERVED_NAME +# define __post SYSTEM_RESERVED_NAME +# define __pre SYSTEM_RESERVED_NAME +#endif + +// Newlib & picolibc use __input as a parameter name of a64l & l64a +#ifndef _NEWLIB_VERSION +# define __input SYSTEM_RESERVED_NAME +#endif +#define __output SYSTEM_RESERVED_NAME + +#define __acquire SYSTEM_RESERVED_NAME +#define __release SYSTEM_RESERVED_NAME + +// Android and FreeBSD use this for __attribute__((__unused__)) +#if !defined(__FreeBSD__) && !defined(__ANDROID__) +#define __unused SYSTEM_RESERVED_NAME +#endif + +// These names are not reserved, so the user can macro-define them. +// These are intended to find improperly _Uglified template parameters. +#define A SYSTEM_RESERVED_NAME +#define Arg SYSTEM_RESERVED_NAME +#define Args SYSTEM_RESERVED_NAME +#define As SYSTEM_RESERVED_NAME +#define B SYSTEM_RESERVED_NAME +#define Bs SYSTEM_RESERVED_NAME +#define C SYSTEM_RESERVED_NAME +#define Cp SYSTEM_RESERVED_NAME +#define Cs SYSTEM_RESERVED_NAME +// Windows setjmp.h contains a struct member named 'D' on ARM/AArch64. +#ifndef _WIN32 +# define D SYSTEM_RESERVED_NAME +#endif +#define Dp SYSTEM_RESERVED_NAME +#define Ds SYSTEM_RESERVED_NAME +#define E SYSTEM_RESERVED_NAME +#define Ep SYSTEM_RESERVED_NAME +#define Es SYSTEM_RESERVED_NAME +#define N SYSTEM_RESERVED_NAME +#define Np SYSTEM_RESERVED_NAME +#define Ns SYSTEM_RESERVED_NAME +#define R SYSTEM_RESERVED_NAME +#define Rp SYSTEM_RESERVED_NAME +#define Rs SYSTEM_RESERVED_NAME +#define T SYSTEM_RESERVED_NAME +#define Tp SYSTEM_RESERVED_NAME +#define Ts SYSTEM_RESERVED_NAME +#define Type SYSTEM_RESERVED_NAME +#define Types SYSTEM_RESERVED_NAME +#define U SYSTEM_RESERVED_NAME +#define Up SYSTEM_RESERVED_NAME +#define Us SYSTEM_RESERVED_NAME +#define V SYSTEM_RESERVED_NAME +#define Vp SYSTEM_RESERVED_NAME +#define Vs SYSTEM_RESERVED_NAME +#define X SYSTEM_RESERVED_NAME +#define Xp SYSTEM_RESERVED_NAME +#define Xs SYSTEM_RESERVED_NAME + +// The classic Windows min/max macros +#define min SYSTEM_RESERVED_NAME +#define max SYSTEM_RESERVED_NAME + +// Test to make sure curses has no conflicting macros with the standard library +#define move SYSTEM_RESERVED_NAME +#define erase SYSTEM_RESERVED_NAME +#define refresh SYSTEM_RESERVED_NAME + +// Dinkumware libc ctype.h uses these definitions +#define _XA SYSTEM_RESERVED_NAME +#define _XS SYSTEM_RESERVED_NAME +#define _BB SYSTEM_RESERVED_NAME +#define _CN SYSTEM_RESERVED_NAME +#define _DI SYSTEM_RESERVED_NAME +#define _LO SYSTEM_RESERVED_NAME +#define _PU SYSTEM_RESERVED_NAME +#define _SP SYSTEM_RESERVED_NAME +#define _UP SYSTEM_RESERVED_NAME +#define _XD SYSTEM_RESERVED_NAME diff --git a/clang/test/Headers/x86-intrinsics-headers-clean.cpp b/clang/test/Headers/x86-intrinsics-headers-clean.cpp index a19207f34ead8..0a04bcebfaece 100644 --- a/clang/test/Headers/x86-intrinsics-headers-clean.cpp +++ b/clang/test/Headers/x86-intrinsics-headers-clean.cpp @@ -10,4 +10,6 @@ // expected-no-diagnostics +#include "system_reserved_names.h" + #include diff --git a/clang/test/Headers/x86-intrinsics-headers.c b/clang/test/Headers/x86-intrinsics-headers.c index dc06cbde0f587..89a7d4dc21508 100644 --- a/clang/test/Headers/x86-intrinsics-headers.c +++ b/clang/test/Headers/x86-intrinsics-headers.c @@ -5,6 +5,8 @@ // XFAIL: target=arm64ec-pc-windows-msvc // These intrinsics are not yet implemented for Arm64EC. +#include "system_reserved_names.h" + #if defined(i386) || defined(__x86_64__) #ifdef __SSE4_2__