1178476Sjb/* tc-s390.h -- Header file for tc-s390.c. 2178476Sjb Copyright 2000, 2001, 2002, 2003, 2004, 2005 3178476Sjb Free Software Foundation, Inc. 4178476Sjb Written by Martin Schwidefsky (schwidefsky@de.ibm.com). 5178476Sjb 6178476Sjb This file is part of GAS, the GNU Assembler. 7178476Sjb 8178476Sjb GAS is free software; you can redistribute it and/or modify 9178476Sjb it under the terms of the GNU General Public License as published by 10178476Sjb the Free Software Foundation; either version 2, or (at your option) 11178476Sjb any later version. 12178476Sjb 13178476Sjb GAS is distributed in the hope that it will be useful, 14178476Sjb but WITHOUT ANY WARRANTY; without even the implied warranty of 15178476Sjb MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16178476Sjb GNU General Public License for more details. 17178476Sjb 18178476Sjb You should have received a copy of the GNU General Public License 19178476Sjb along with GAS; see the file COPYING. If not, write to the Free 20178476Sjb Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 21178476Sjb 02110-1301, USA. */ 22178476Sjb 23178476Sjb#define TC_S390 24178476Sjb 25178476Sjbstruct fix; 26178476Sjb 27178476Sjb#define TC_FORCE_RELOCATION(FIX) tc_s390_force_relocation(FIX) 28178476Sjbextern int tc_s390_force_relocation PARAMS ((struct fix *)); 29178476Sjb 30178476Sjb/* Don't resolve foo@PLT-bar to offset@PLT. */ 31178476Sjb#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \ 32178476Sjb (! SEG_NORMAL (SEG) || TC_FORCE_RELOCATION (FIX)) 33178476Sjb 34178476Sjb#define tc_fix_adjustable(X) tc_s390_fix_adjustable(X) 35178476Sjbextern int tc_s390_fix_adjustable PARAMS ((struct fix *)); 36178476Sjb 37178476Sjb/* Values passed to md_apply_fix don't include symbol values. */ 38178476Sjb#define MD_APPLY_SYM_VALUE(FIX) 0 39178476Sjb 40178476Sjb/* The target BFD architecture. */ 41178476Sjb#define TARGET_ARCH bfd_arch_s390 42178476Sjbextern enum bfd_architecture s390_arch PARAMS ((void)); 43178476Sjb 44178476Sjb/* The target BFD format. */ 45178476Sjb#define TARGET_FORMAT s390_target_format() 46178476Sjbextern const char *s390_target_format PARAMS ((void)); 47178476Sjb 48178476Sjb/* Set the endianness we are using. */ 49178476Sjb#define TARGET_BYTES_BIG_ENDIAN 1 50178476Sjb 51178476Sjb/* Whether or not the target is big endian */ 52178476Sjbextern int target_big_endian; 53178476Sjb 54178476Sjb/* Permit temporary numeric labels. */ 55178476Sjb#define LOCAL_LABELS_FB 1 56178476Sjb 57178476Sjb/* $ is used to refer to the current location. */ 58178476Sjb/* #define DOLLAR_DOT */ 59178476Sjb 60178476Sjb/* We need to be able to make relocations involving the difference of 61178476Sjb two symbols. This includes the difference of two symbols when 62178476Sjb one of them is undefined (this comes up in PIC code generation). 63178476Sjb */ 64178476Sjb#define UNDEFINED_DIFFERENCE_OK 65178476Sjb 66178476Sjb/* foo-. gets turned into PC relative relocs */ 67178476Sjb#define DIFF_EXPR_OK 68178476Sjb 69178476Sjb/* We don't need to handle .word strangely. */ 70#define WORKING_DOT_WORD 71 72#define md_number_to_chars number_to_chars_bigendian 73 74#define NOP_OPCODE 0x07 75 76/* call md_pcrel_from_section, not md_pcrel_from */ 77#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) 78extern long md_pcrel_from_section PARAMS ((struct fix *, segT)); 79 80#define md_operand(x) 81 82extern void s390_md_end PARAMS ((void)); 83#define md_end() s390_md_end () 84 85#define TARGET_USE_CFIPOP 1 86 87#define tc_cfi_frame_initial_instructions s390_cfi_frame_initial_instructions 88extern void s390_cfi_frame_initial_instructions PARAMS ((void)); 89 90#define tc_regname_to_dw2regnum tc_s390_regname_to_dw2regnum 91extern int tc_s390_regname_to_dw2regnum PARAMS ((char *regname)); 92 93extern int s390_cie_data_alignment; 94 95#define DWARF2_LINE_MIN_INSN_LENGTH 1 96#define DWARF2_DEFAULT_RETURN_COLUMN 14 97#define DWARF2_CIE_DATA_ALIGNMENT s390_cie_data_alignment 98