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 /* Can't use the ENTRY macro in linux/linkage.h
  15  * gas considers ';' as comment vs. newline
  16  */
  17 .macro ARC_ENTRY name
  18         .global \name
  19         .align 4
  20         \name:
  21 .endm
  22
  23 .macro ARC_EXIT name
  24 #define ASM_PREV_SYM_ADDR(name)  .-##name
  25         .size \ name, ASM_PREV_SYM_ADDR(\name)
  26 .endm
  27
  28 /* annotation for data we want in DCCM - if enabled in .config */
  29 .macro ARCFP_DATA nm
  30 #ifdef CONFIG_ARC_HAS_DCCM
  31         .section .data.arcfp
  32 #else
  33         .section .data
  34 #endif
  35         .global \nm
  36 .endm
  37
  38 /* annotation for data we want in DCCM - if enabled in .config */
  39 .macro ARCFP_CODE
  40 #ifdef CONFIG_ARC_HAS_ICCM
  41         .section .text.arcfp, "ax",@progbits
  42 #else
  43         .section .text, "ax",@progbits
  44 #endif
  45 .endm
  46
  47 #else   /* !__ASSEMBLY__ */
  48
  49 #ifdef CONFIG_ARC_HAS_ICCM
  50 #define __arcfp_code __attribute__((__section__(".text.arcfp")))
  51 #else
  52 #define __arcfp_code __attribute__((__section__(".text")))
  53 #endif
  54
  55 #ifdef CONFIG_ARC_HAS_DCCM
  56 #define __arcfp_data __attribute__((__section__(".data.arcfp")))
  57 #else
  58 #define __arcfp_data __attribute__((__section__(".data")))
  59 #endif
  60
  61 #endif /* __ASSEMBLY__ */
  62
  63 #endif