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 prevent_tail_call 17 # define prevent_tail_call(ret) do { } while (0) 18 #endif 19 20 #ifndef __ALIGN 21 #define __ALIGN .align 4,0x90 22 #define __ALIGN_STR ".align 4,0x90" 23 #endif 24 25 #ifdef __ASSEMBLY__ 26 27 #define ALIGN __ALIGN 28 #define ALIGN_STR __ALIGN_STR 29 30 #ifndef ENTRY 31 #define ENTRY(name) \ 32 .globl name; \ 33 ALIGN; \ 34 name: 35 #endif 36 37 #define KPROBE_ENTRY(name) \ 38 .section .kprobes.text, "ax"; \ 39 ENTRY(name) 40 41 #ifndef END 42 #define END(name) \ 43 .size name, .-name 44 #endif 45 46 #ifndef ENDPROC 47 #define ENDPROC(name) \ 48 .type name, @function; \ 49 END(name) 50 #endif 51 52 #endif 53 54 #define NORET_TYPE /**/ 55 #define ATTRIB_NORET __attribute__((noreturn)) 56 #define NORET_AND noreturn, 57 58 #ifndef FASTCALL 59 #define FASTCALL(x) x 60 #define fastcall 61 #endif 62 63 #endif 64
