1/* ===-- assembly.h - libUnwind assembler support macros -------------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 * 10 * This file defines macros for use in libUnwind assembler source. 11 * This file is not part of the interface of this library. 12 * 13 * ===----------------------------------------------------------------------=== 14 */ 15 16#ifndef UNWIND_ASSEMBLY_H 17#define UNWIND_ASSEMBLY_H 18 19#if defined(__POWERPC__) || defined(__powerpc__) || defined(__ppc__) 20#define SEPARATOR @ 21#elif defined(__arm64__) 22#define SEPARATOR %% 23#else 24#define SEPARATOR ; 25#endif 26 27#if defined(__APPLE__) 28#define HIDDEN_DIRECTIVE .private_extern 29#else 30#define HIDDEN_DIRECTIVE .hidden 31#endif 32 33#define GLUE2(a, b) a ## b 34#define GLUE(a, b) GLUE2(a, b) 35#define SYMBOL_NAME(name) GLUE(__USER_LABEL_PREFIX__, name) 36 37#define DEFINE_LIBUNWIND_FUNCTION(name) \ 38 .globl SYMBOL_NAME(name) SEPARATOR \ 39 SYMBOL_NAME(name): 40 41#define DEFINE_LIBUNWIND_PRIVATE_FUNCTION(name) \ 42 .globl SYMBOL_NAME(name) SEPARATOR \ 43 HIDDEN_DIRECTIVE SYMBOL_NAME(name) SEPARATOR \ 44 SYMBOL_NAME(name): 45 46#endif /* UNWIND_ASSEMBLY_H */ 47