| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_LINKAGE_H |
| 2 | #define _LINUX_LINKAGE_H |
| 3 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| Jan Beulich | ab7efcc | 2006-03-24 03:16:17 -0800 | [diff] [blame] | 30 | #ifndef ENTRY |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #define ENTRY(name) \ |
| 32 | .globl name; \ |
| 33 | ALIGN; \ |
| 34 | name: |
| Jan Beulich | ab7efcc | 2006-03-24 03:16:17 -0800 | [diff] [blame] | 35 | #endif |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
| Rusty Russell | 214541d | 2007-10-21 16:41:34 -0700 | [diff] [blame] | 37 | #ifndef WEAK |
| 38 | #define WEAK(name) \ |
| 39 | .weak name; \ |
| 40 | name: |
| 41 | #endif |
| 42 | |
| Prasanna S Panchamukhi | d0aaff9 | 2005-09-06 15:19:26 -0700 | [diff] [blame] | 43 | #define KPROBE_ENTRY(name) \ |
| Prasanna S.P | d28c439 | 2006-09-26 10:52:34 +0200 | [diff] [blame] | 44 | .pushsection .kprobes.text, "ax"; \ |
| Jan Beulich | ab7efcc | 2006-03-24 03:16:17 -0800 | [diff] [blame] | 45 | ENTRY(name) |
| Prasanna S Panchamukhi | d0aaff9 | 2005-09-06 15:19:26 -0700 | [diff] [blame] | 46 | |
| Prasanna S.P | d28c439 | 2006-09-26 10:52:34 +0200 | [diff] [blame] | 47 | #define KPROBE_END(name) \ |
| 48 | END(name); \ |
| 49 | .popsection |
| 50 | |
| Jan Beulich | ab7efcc | 2006-03-24 03:16:17 -0800 | [diff] [blame] | 51 | #ifndef END |
| 52 | #define END(name) \ |
| 53 | .size name, .-name |
| 54 | #endif |
| 55 | |
| 56 | #ifndef ENDPROC |
| 57 | #define ENDPROC(name) \ |
| 58 | .type name, @function; \ |
| 59 | END(name) |
| 60 | #endif |
| Prasanna S Panchamukhi | d0aaff9 | 2005-09-06 15:19:26 -0700 | [diff] [blame] | 61 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | #endif |
| 63 | |
| 64 | #define NORET_TYPE /**/ |
| 65 | #define ATTRIB_NORET __attribute__((noreturn)) |
| 66 | #define NORET_AND noreturn, |
| 67 | |
| 68 | #ifndef FASTCALL |
| 69 | #define FASTCALL(x) x |
| 70 | #define fastcall |
| 71 | #endif |
| 72 | |
| 73 | #endif |