sysdeps/hppa/sysdep.h

   1 /* Assembler macros for HP/PA.
   2    Copyright (C) 1999-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <sysdeps/generic/sysdep.h>
  21 #include <sys/syscall.h>
  22 #include "config.h"
  23
  24 #undef ASM_LINE_SEP
  25 #define ASM_LINE_SEP !
  26
  27 #ifdef  __ASSEMBLER__
  28
  29 /* Syntactic details of assembler.  */
  30
  31 #define ALIGNARG(log2) log2
  32
  33
  34 /* Define an entry point visible from C.
  35
  36    There is currently a bug in gdb which prevents us from specifying
  37    incomplete stabs information.  Fake some entries here which specify
  38    the current source file.  */
  39 #define ENTRY(name)                                                           \
  40   .SPACE $TEXT$                                                 ASM_LINE_SEP  \
  41   .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY             ASM_LINE_SEP  \
  42   .align ALIGNARG(4)                                            ASM_LINE_SEP  \
  43   .NSUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY            ASM_LINE_SEP  \
  44   .EXPORT C_SYMBOL_NAME(name),ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR ASM_LINE_SEP\
  45   C_LABEL(name)                                                               \
  46   CALL_MCOUNT
  47
  48 #undef  END
  49 #define END(name)                                                             \
  50   .PROCEND
  51
  52 /* GCC does everything for us. */
  53 #ifdef  PROF
  54 #define CALL_MCOUNT
  55 #else
  56 #define CALL_MCOUNT             /* Do nothing.  */
  57 #endif
  58
  59 #define PSEUDO(name, syscall_name, args)                                      \
  60   ENTRY (name)                                                                \
  61   DO_CALL (syscall_name, args)
  62
  63 #undef  PSEUDO_END
  64 #define PSEUDO_END(name)                                                      \
  65   END (name)
  66
  67 #undef JUMPTARGET
  68 #define JUMPTARGET(name)        name
  69 #define SYSCALL_PIC_SETUP       /* Nothing.  */
  70
  71 /* Local label name for asm code. */
  72 #ifndef L
  73 #define L(name)         name
  74 #endif
  75
  76 #endif  /* __ASSEMBLER__ */