gas/config/tc-s390.h

   1 /* tc-s390.h -- Header file for tc-s390.c.
   2    Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   3    Written by Martin Schwidefsky (schwidefsky@de.ibm.com).
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 #define TC_S390
  23
  24 #ifdef ANSI_PROTOTYPES
  25 struct fix;
  26 #endif
  27
  28 #ifndef BFD_ASSEMBLER
  29  #error S390 support requires BFD_ASSEMBLER
  30 #endif
  31
  32 #define TC_FORCE_RELOCATION(FIX) tc_s390_force_relocation(FIX)
  33 extern int tc_s390_force_relocation PARAMS ((struct fix *));
  34
  35 /* Don't resolve foo@PLT-bar to offset@PLT.  */
  36 #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG)  \
  37   (! SEG_NORMAL (SEG) || TC_FORCE_RELOCATION (FIX))
  38
  39 #define tc_fix_adjustable(X)  tc_s390_fix_adjustable(X)
  40 extern int tc_s390_fix_adjustable PARAMS ((struct fix *));
  41
  42 /* Values passed to md_apply_fix3 don't include symbol values.  */
  43 #define MD_APPLY_SYM_VALUE(FIX) 0
  44
  45 /* The target BFD architecture.  */
  46 #define TARGET_ARCH bfd_arch_s390
  47 extern enum bfd_architecture s390_arch PARAMS ((void));
  48
  49 /* The target BFD format.  */
  50 #define TARGET_FORMAT s390_target_format()
  51 extern const char *s390_target_format PARAMS ((void));
  52
  53 /* Set the endianness we are using.  */
  54 #define TARGET_BYTES_BIG_ENDIAN 1
  55
  56 /* Whether or not the target is big endian */
  57 extern int target_big_endian;
  58
  59 /* Permit temporary numeric labels.  */
  60 #define LOCAL_LABELS_FB 1
  61
  62 /* $ is used to refer to the current location.  */
  63 /* #define DOLLAR_DOT */
  64
  65 /* We need to be able to make relocations involving the difference of
  66    two symbols.  This includes the difference of two symbols when
  67    one of them is undefined (this comes up in PIC code generation).
  68  */
  69 #define UNDEFINED_DIFFERENCE_OK
  70
  71 /* foo-. gets turned into PC relative relocs */
  72 #define DIFF_EXPR_OK
  73
  74 /* We don't need to handle .word strangely.  */
  75 #define WORKING_DOT_WORD
  76
  77 #define md_number_to_chars           number_to_chars_bigendian
  78
  79 #define NOP_OPCODE 0x07
  80
  81 /* call md_pcrel_from_section, not md_pcrel_from */
  82 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
  83 extern long md_pcrel_from_section PARAMS ((struct fix *, segT));
  84
  85 #define md_operand(x)
  86
  87 extern void s390_md_end PARAMS ((void));
  88 #define md_end() s390_md_end ()
  89
  90 #define TARGET_USE_CFIPOP 1
  91
  92 #define tc_cfi_frame_initial_instructions s390_cfi_frame_initial_instructions
  93 extern void s390_cfi_frame_initial_instructions PARAMS ((void));
  94
  95 #define tc_regname_to_dw2regnum tc_s390_regname_to_dw2regnum
  96 extern int tc_s390_regname_to_dw2regnum PARAMS ((const char *regname));
  97
  98 extern int s390_cie_data_alignment;
  99
 100 #define DWARF2_LINE_MIN_INSN_LENGTH     1
 101 #define DWARF2_DEFAULT_RETURN_COLUMN    14
 102 #define DWARF2_CIE_DATA_ALIGNMENT       s390_cie_data_alignment