CFAsmMacros.h

// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//

#if !defined(__COREFOUNDATION_CFASMMACROS__)
#define __COREFOUNDATION_CFASMMACROS__ 1

#define CONCAT(a,b) a##b
#define CONCAT_EXPANDED(a,b) CONCAT(a,b)
#define _C_LABEL(name) CONCAT_EXPANDED(__USER_LABEL_PREFIX__,name)

/* Use .note.GNU-stack to explicitly indicate a non-exec stack, b/c of bad   */
/* default behaviour when translating handwritten assembly files (needed on  */
/* GNU platforms, Android and FreeBSD, as tests have shown).                 */
/* Platform tests are documented at http://git.savannah.gnu.org/gitweb/?p=libffcall.git;a=blob;f=porting-tools/execstack/README */
#if (defined(__GNUC__) || defined (__llvm__) || defined (__clang__)) && defined(__ELF__) && (defined (__linux__) || defined (__linux) || defined (__gnu_linux__) || defined(__FreeBSD__) || defined (__FreeBSD_kernel__))
#define NO_EXEC_STACK_DIRECTIVE .section .note.GNU-stack,"",%progbits
#elsif defined(__SUNPRO_C) && defined(__linux__)
#define NO_EXEC_STACK_DIRECTIVE .section ".note.GNU-stack"
#else
#define NO_EXEC_STACK_DIRECTIVE
#endif

.macro SAFESEH_REGISTRATION_DIRECTIVE
#if defined(_WIN32) && defined(_M_IX86)
    .def @feat.00
        .scl 3
        .type 0
    .endef
    .globl @feat.00
@feat.00 = 1
#endif
.endm

#endif