| 1 | /* tc-s390.h -- Header file for tc-s390.c. |
| 2 | Copyright (C) 2000-2015 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 |