1#ifndef _LINUX_LINKAGE_H 2#define _LINUX_LINKAGE_H 3 4#include <asm/linkage.h> 5 6#ifdef __cplusplus 7#define CPP_ASMLINKAGE extern "C" 8#else 9#define CPP_ASMLINKAGE 10#endif 11 12#ifndef asmlinkage 13#define asmlinkage CPP_ASMLINKAGE 14#endif 15 16#ifndef asmregparm 17# define asmregparm 18#endif 19 20#ifndef prevent_tail_call 21# define prevent_tail_call(ret) do { } while (0) 22#endif 23 24#ifndef __ALIGN 25#define __ALIGN .align 4,0x90 26#define __ALIGN_STR ".align 4,0x90" 27#endif 28 29#ifdef __ASSEMBLY__ 30 31#define ALIGN __ALIGN 32#define ALIGN_STR __ALIGN_STR 33 34#ifndef ENTRY 35#define ENTRY(name) \ 36 .globl name; \ 37 ALIGN; \ 38 name: 39#endif 40 41#ifndef WEAK 42#define WEAK(name) \ 43 .weak name; \ 44 name: 45#endif 46 47#define KPROBE_ENTRY(name) \ 48 .pushsection .kprobes.text, "ax"; \ 49 ENTRY(name) 50 51#define KPROBE_END(name) \ 52 END(name); \ 53 .popsection 54 55#ifndef END 56#define END(name) \ 57 .size name, .-name 58#endif 59 60/* If symbol 'name' is treated as a subroutine (gets called, and returns) 61 * then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of 62 * static analysis tools such as stack depth analyzer. 63 */ 64#ifndef ENDPROC 65#define ENDPROC(name) \ 66 .type name, @function; \ 67 END(name) 68#endif 69 70#endif 71 72#define NORET_TYPE /**/ 73#define ATTRIB_NORET __attribute__((noreturn)) 74#define NORET_AND noreturn, 75 76#endif