1 /* tc-s390.h -- Header file for tc-s390.c. 2 Copyright (C) 2000-2016 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 3, 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 struct fix; 25 26 #define TC_FORCE_RELOCATION(FIX) tc_s390_force_relocation(FIX) 27 extern int tc_s390_force_relocation (struct fix *); 28 29 /* Don't resolve foo@PLT-bar to offset@PLT. */ 30 #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \ 31 (! SEG_NORMAL (SEG) || TC_FORCE_RELOCATION (FIX)) 32 33 #define tc_fix_adjustable(X) tc_s390_fix_adjustable(X) 34 extern int tc_s390_fix_adjustable (struct fix *); 35 36 /* Values passed to md_apply_fix don't include symbol values. */ 37 #define MD_APPLY_SYM_VALUE(FIX) 0 38 39 /* The target BFD architecture. */ 40 #define TARGET_ARCH bfd_arch_s390 41 extern enum bfd_architecture s390_arch (void); 42 43 /* The target BFD format. */ 44 #define TARGET_FORMAT s390_target_format() 45 extern const char *s390_target_format (void); 46 47 /* Set the endianness we are using. */ 48 #define TARGET_BYTES_BIG_ENDIAN 1 49 50 /* Whether or not the target is big endian */ 51 extern int target_big_endian; 52 53 /* Permit temporary numeric labels. */ 54 #define LOCAL_LABELS_FB 1 55 56 /* $ is used to refer to the current location. */ 57 /* #define DOLLAR_DOT */ 58 59 /* We need to be able to make relocations involving the difference of 60 two symbols. This includes the difference of two symbols when 61 one of them is undefined (this comes up in PIC code generation). 62 */ 63 #define UNDEFINED_DIFFERENCE_OK 64 65 /* foo-. gets turned into PC relative relocs */ 66 #define DIFF_EXPR_OK 67 68 /* We don't need to handle .word strangely. */ 69 #define WORKING_DOT_WORD 70 71 #define md_number_to_chars number_to_chars_bigendian 72 73 #define NOP_OPCODE 0x07 74 75 /* call md_pcrel_from_section, not md_pcrel_from */ 76 #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) 77 extern long md_pcrel_from_section (struct fix *, segT); 78 79 #define md_operand(x) 80 81 extern void s390_md_end (void); 82 #define md_end() s390_md_end () 83 84 #define TARGET_USE_CFIPOP 1 85 86 #define tc_cfi_frame_initial_instructions s390_cfi_frame_initial_instructions 87 extern void s390_cfi_frame_initial_instructions (void); 88 89 #define tc_regname_to_dw2regnum tc_s390_regname_to_dw2regnum 90 extern int tc_s390_regname_to_dw2regnum (char *regname); 91 92 extern int s390_cie_data_alignment; 93 94 #define DWARF2_LINE_MIN_INSN_LENGTH 1 95 #define DWARF2_DEFAULT_RETURN_COLUMN 14 96 #define DWARF2_CIE_DATA_ALIGNMENT s390_cie_data_alignment 97 98 extern void s390_elf_final_processing (void); 99 100 #define elf_tc_final_processing s390_elf_final_processing 101