sysdeps/arc/sysdep.h

   1 /* Assembler macros for ARC.
   2    Copyright (C) 2020-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdeps/generic/sysdep.h>
  20
  21 #ifdef  __ASSEMBLER__
  22
  23 /* Syntactic details of assembler.
  24    ; is not newline but comment, # is also for comment.  */
  25 # define ASM_SIZE_DIRECTIVE(name) .size name,.-name
  26
  27 # define ENTRY(name)                                            \
  28         .align 4                                ASM_LINE_SEP    \
  29         .globl C_SYMBOL_NAME(name)              ASM_LINE_SEP    \
  30         .type C_SYMBOL_NAME(name),%function     ASM_LINE_SEP    \
  31         C_LABEL(name)                           ASM_LINE_SEP    \
  32         cfi_startproc                           ASM_LINE_SEP    \
  33         CALL_MCOUNT
  34
  35 # undef  END
  36 # define END(name)                                              \
  37         cfi_endproc                             ASM_LINE_SEP    \
  38         ASM_SIZE_DIRECTIVE(name)
  39
  40 # ifdef SHARED
  41 #  define PLTJMP(_x)    _x##@plt
  42 # else
  43 #  define PLTJMP(_x)    _x
  44 # endif
  45
  46 # define L(label) .L##label
  47
  48 # define CALL_MCOUNT            /* Do nothing for now.  */
  49
  50 # define STR(reg, rbase, off)   st  reg, [rbase, off * 4]
  51 # define LDR(reg, rbase, off)   ld  reg, [rbase, off * 4]
  52
  53 #endif  /* __ASSEMBLER__ */