sysdeps/hppa/sysdep.h

   1 /* Assembler macros for HP/PA.
   2    Copyright (C) 1999, 2003 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, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <sysdeps/generic/sysdep.h>
  22 #include <sys/syscall.h>
  23 #include "config.h"
  24
  25 #ifndef ASM_LINE_SEP
  26 #define ASM_LINE_SEP ;
  27 #endif
  28
  29 #ifdef  __ASSEMBLER__
  30
  31 /* Syntactic details of assembler.  */
  32
  33 #define ALIGNARG(log2) log2
  34
  35
  36 /* Define an entry point visible from C.
  37
  38    There is currently a bug in gdb which prevents us from specifying
  39    incomplete stabs information.  Fake some entries here which specify
  40    the current source file.  */
  41 #define ENTRY(name)                                                           \
  42   .SPACE $TEXT$                                                 ASM_LINE_SEP  \
  43   .SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY             ASM_LINE_SEP  \
  44   .align ALIGNARG(4)                                            ASM_LINE_SEP  \
  45   .NSUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY            ASM_LINE_SEP  \
  46   .EXPORT C_SYMBOL_NAME(name),ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR ASM_LINE_SEP\
  47   C_LABEL(name)                                                               \
  48   CALL_MCOUNT
  49
  50 #undef  END
  51 #define END(name)                                                             \
  52   .PROCEND
  53
  54
  55 /* If compiled for profiling, call `mcount' at the start of each function.  */
  56 #ifdef  PROF
  57 /* The mcount code relies on a normal frame pointer being on the stack
  58    to locate our caller, so push one just for its benefit.  */
  59 #define CALL_MCOUNT \
  60   XXX   ASM_LINE_SEP
  61 #else
  62 #define CALL_MCOUNT             /* Do nothing.  */
  63 #endif
  64
  65 #define PSEUDO(name, syscall_name, args)                                      \
  66   ENTRY (name)                                                                \
  67   DO_CALL (syscall_name, args)
  68
  69 #undef  PSEUDO_END
  70 #define PSEUDO_END(name)                                                      \
  71   END (name)
  72
  73 #undef JUMPTARGET
  74 #define JUMPTARGET(name)        name
  75 #define SYSCALL_PIC_SETUP       /* Nothing.  */
  76
  77 /* Local label name for asm code. */
  78 #ifndef L
  79 #define L(name)         name
  80 #endif
  81
  82 #endif  /* __ASSEMBLER__ */