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Linux/arch/arc/include/asm/linkage.h

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  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 

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