xref: /openbmc/linux/arch/arc/include/asm/linkage.h (revision 9df62f05)
1 /*
2  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8 
9 #ifndef __ASM_LINKAGE_H
10 #define __ASM_LINKAGE_H
11 
12 #ifdef __ASSEMBLY__
13 
14 #define ASM_NL		 `	/* use '`' to mark new line in macro */
15 
16 /* Can't use the ENTRY macro in linux/linkage.h
17  * gas considers ';' as comment vs. newline
18  */
19 .macro ARC_ENTRY name
20 	.global \name
21 	.align 4
22 	\name:
23 .endm
24 
25 .macro ARC_EXIT name
26 #define ASM_PREV_SYM_ADDR(name)  .-##name
27 	.size \ name, ASM_PREV_SYM_ADDR(\name)
28 .endm
29 
30 /* annotation for data we want in DCCM - if enabled in .config */
31 .macro ARCFP_DATA nm
32 #ifdef CONFIG_ARC_HAS_DCCM
33 	.section .data.arcfp
34 #else
35 	.section .data
36 #endif
37 	.global \nm
38 .endm
39 
40 /* annotation for data we want in DCCM - if enabled in .config */
41 .macro ARCFP_CODE
42 #ifdef CONFIG_ARC_HAS_ICCM
43 	.section .text.arcfp, "ax",@progbits
44 #else
45 	.section .text, "ax",@progbits
46 #endif
47 .endm
48 
49 #else	/* !__ASSEMBLY__ */
50 
51 #ifdef CONFIG_ARC_HAS_ICCM
52 #define __arcfp_code __attribute__((__section__(".text.arcfp")))
53 #else
54 #define __arcfp_code __attribute__((__section__(".text")))
55 #endif
56 
57 #ifdef CONFIG_ARC_HAS_DCCM
58 #define __arcfp_data __attribute__((__section__(".data.arcfp")))
59 #else
60 #define __arcfp_data __attribute__((__section__(".data")))
61 #endif
62 
63 #endif /* __ASSEMBLY__ */
64 
65 #endif
66