1 /* include/llvm/Config/abi-breaking.h. Generated from abi-breaking.h.in by configure. */ 2 /*===------- llvm/Config/abi-breaking.h - llvm configuration -------*- C -*-===*/ 3 /* */ 4 /* The LLVM Compiler Infrastructure */ 5 /* */ 6 /* This file is distributed under the University of Illinois Open Source */ 7 /* License. See LICENSE.TXT for details. */ 8 /* */ 9 /*===----------------------------------------------------------------------===*/ 10 11 /* This file controls the C++ ABI break introduced in LLVM public header. */ 12 13 #ifndef LLVM_ABI_BREAKING_CHECKS_H 14 #define LLVM_ABI_BREAKING_CHECKS_H 15 16 /* Define to enable checks that alter the LLVM C++ ABI */ 17 #define LLVM_ENABLE_ABI_BREAKING_CHECKS 0 18 19 // ABI_BREAKING_CHECKS protection: provides link-time failure when clients build 20 // mismatch with LLVM 21 #if defined(_MSC_VER) 22 // Use pragma with MSVC 23 #define LLVM_XSTR(s) LLVM_STR(s) 24 #define LLVM_STR(s) #s 25 #pragma detect_mismatch("LLVM_ENABLE_ABI_BREAKING_CHECKS", LLVM_XSTR(LLVM_ENABLE_ABI_BREAKING_CHECKS)) 26 /* #undef LLVM_XSTR */ 27 /* #undef LLVM_STR */ 28 #elif defined(_WIN32) || defined(__CYGWIN__) // Win32 w/o #pragma detect_mismatch 29 // FIXME: Implement checks without weak. 30 #elif defined(__cplusplus) 31 namespace llvm { 32 #if LLVM_ENABLE_ABI_BREAKING_CHECKS 33 extern int EnableABIBreakingChecks; 34 __attribute__((weak, visibility ("hidden"))) int *VerifyEnableABIBreakingChecks = &EnableABIBreakingChecks; 35 #else 36 extern int DisableABIBreakingChecks; 37 __attribute__((weak, visibility ("hidden"))) int *VerifyDisableABIBreakingChecks = &DisableABIBreakingChecks; 38 #endif 39 } 40 #endif // _MSC_VER 41 42 #endif 43