sysdeps/unix/sparc/sysdep.h

   1 /* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <sysdeps/unix/sysdep.h>
  20
  21 #ifdef  ASSEMBLER
  22
  23 #ifdef  NO_UNDERSCORES
  24 /* Since C identifiers are not normally prefixed with an underscore
  25    on this system, the asm identifier `syscall_error' intrudes on the
  26    C name space.  Make sure we use an innocuous name.  */
  27 #define syscall_error   C_SYMBOL_NAME(__syscall_error)
  28 #endif
  29
  30 #define ENTRY(name)                                                           \
  31   .global C_SYMBOL_NAME(name);                                                \
  32   .align 2;                                                                   \
  33   C_LABEL(name)
  34
  35 #define PSEUDO(name, syscall_name, args)                                      \
  36   .global syscall_error;                                                      \
  37   ENTRY (name)                                                                \
  38   mov SYS_ify(syscall_name), %g1;                                             \
  39   ta 0;                                                                       \
  40   bcc 1f;                                                                     \
  41   sethi %hi(syscall_error), %g1;                                              \
  42   jmp %g1 + %lo(syscall_error); nop;                                          \
  43 1:
  44
  45 #define ret             retl; nop
  46 #define r0              %o0
  47 #define r1              %o1
  48 #define MOVE(x,y)       mov x, y
  49
  50 #endif  /* ASSEMBLER */