xref: /linux/arch/arc/include/asm/linkage.h (revision 8e07e0e3964ca4e23ce7b68e2096fe660a888942)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
4  */
5 
6 #ifndef __ASM_LINKAGE_H
7 #define __ASM_LINKAGE_H
8 
9 #include <asm/dwarf.h>
10 
11 #define ASM_NL		 `	/* use '`' to mark new line in macro */
12 #define __ALIGN		.align 4
13 #define __ALIGN_STR	__stringify(__ALIGN)
14 
15 #ifdef __ASSEMBLY__
16 
17 .macro ST2 e, o, off
18 #ifdef CONFIG_ARC_HAS_LL64
19 	std	\e, [sp, \off]
20 #else
21 	st	\e, [sp, \off]
22 	st	\o, [sp, \off+4]
23 #endif
24 .endm
25 
26 .macro LD2 e, o, off
27 #ifdef CONFIG_ARC_HAS_LL64
28 	ldd	\e, [sp, \off]
29 #else
30 	ld	\e, [sp, \off]
31 	ld	\o, [sp, \off+4]
32 #endif
33 .endm
34 
35 /* annotation for data we want in DCCM - if enabled in .config */
36 .macro ARCFP_DATA nm
37 #ifdef CONFIG_ARC_HAS_DCCM
38 	.section .data.arcfp
39 #else
40 	.section .data
41 #endif
42 	.global \nm
43 .endm
44 
45 /* annotation for data we want in DCCM - if enabled in .config */
46 .macro ARCFP_CODE
47 #ifdef CONFIG_ARC_HAS_ICCM
48 	.section .text.arcfp, "ax",@progbits
49 #else
50 	.section .text, "ax",@progbits
51 #endif
52 .endm
53 
54 #define ENTRY_CFI(name)		\
55 	.globl name ASM_NL	\
56 	ALIGN ASM_NL 		\
57 	name: ASM_NL		\
58 	CFI_STARTPROC ASM_NL
59 
60 #define END_CFI(name) 		\
61 	CFI_ENDPROC ASM_NL	\
62 	.size name, .-name
63 
64 #else	/* !__ASSEMBLY__ */
65 
66 #ifdef CONFIG_ARC_HAS_ICCM
67 #define __arcfp_code __section(".text.arcfp")
68 #else
69 #define __arcfp_code __section(".text")
70 #endif
71 
72 #ifdef CONFIG_ARC_HAS_DCCM
73 #define __arcfp_data __section(".data.arcfp")
74 #else
75 #define __arcfp_data __section(".data")
76 #endif
77 
78 #endif /* __ASSEMBLY__ */
79 
80 #endif
81