arch/arc/include/asm/linkage.h

   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