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a85d7ed0 | 1 | /* tc-s390.h -- Header file for tc-s390.c. |
7be1c489 AM |
2 | Copyright 2000, 2001, 2002, 2003, 2004, 2005 |
3 | Free Software Foundation, Inc. | |
a85d7ed0 NC |
4 | Written by Martin Schwidefsky (schwidefsky@de.ibm.com). |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
a85d7ed0 NC |
22 | |
23 | #define TC_S390 | |
24 | ||
a85d7ed0 | 25 | struct fix; |
a85d7ed0 | 26 | |
a161fe53 | 27 | #define TC_FORCE_RELOCATION(FIX) tc_s390_force_relocation(FIX) |
b8edc45c | 28 | extern int tc_s390_force_relocation PARAMS ((struct fix *)); |
d6767af8 | 29 | |
426318c5 AM |
30 | /* Don't resolve foo@PLT-bar to offset@PLT. */ |
31 | #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEG) \ | |
32 | (! SEG_NORMAL (SEG) || TC_FORCE_RELOCATION (FIX)) | |
33 | ||
a85d7ed0 NC |
34 | #define tc_fix_adjustable(X) tc_s390_fix_adjustable(X) |
35 | extern int tc_s390_fix_adjustable PARAMS ((struct fix *)); | |
36 | ||
55cf6793 | 37 | /* Values passed to md_apply_fix don't include symbol values. */ |
a161fe53 | 38 | #define MD_APPLY_SYM_VALUE(FIX) 0 |
b8edc45c | 39 | |
a85d7ed0 NC |
40 | /* The target BFD architecture. */ |
41 | #define TARGET_ARCH bfd_arch_s390 | |
42 | extern enum bfd_architecture s390_arch PARAMS ((void)); | |
43 | ||
44 | /* The target BFD format. */ | |
45 | #define TARGET_FORMAT s390_target_format() | |
98d3f06f | 46 | extern const char *s390_target_format PARAMS ((void)); |
a85d7ed0 | 47 | |
98d3f06f | 48 | /* Set the endianness we are using. */ |
a85d7ed0 NC |
49 | #define TARGET_BYTES_BIG_ENDIAN 1 |
50 | ||
51 | /* Whether or not the target is big endian */ | |
52 | extern int target_big_endian; | |
53 | ||
54 | /* Permit temporary numeric labels. */ | |
55 | #define LOCAL_LABELS_FB 1 | |
56 | ||
57 | /* $ is used to refer to the current location. */ | |
58 | /* #define DOLLAR_DOT */ | |
59 | ||
60 | /* We need to be able to make relocations involving the difference of | |
61 | two symbols. This includes the difference of two symbols when | |
c745b67a | 62 | one of them is undefined (this comes up in PIC code generation). |
a85d7ed0 NC |
63 | */ |
64 | #define UNDEFINED_DIFFERENCE_OK | |
65 | ||
66 | /* foo-. gets turned into PC relative relocs */ | |
67 | #define DIFF_EXPR_OK | |
68 | ||
69 | /* We don't need to handle .word strangely. */ | |
70 | #define WORKING_DOT_WORD | |
71 | ||
a85d7ed0 NC |
72 | #define md_number_to_chars number_to_chars_bigendian |
73 | ||
6f079ae3 | 74 | #define NOP_OPCODE 0x07 |
a85d7ed0 | 75 | |
a85d7ed0 | 76 | /* call md_pcrel_from_section, not md_pcrel_from */ |
a161fe53 | 77 | #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) |
a85d7ed0 NC |
78 | extern long md_pcrel_from_section PARAMS ((struct fix *, segT)); |
79 | ||
80 | #define md_operand(x) | |
81 | ||
82 | extern void s390_md_end PARAMS ((void)); | |
83 | #define md_end() s390_md_end () | |
75e21f08 JJ |
84 | |
85 | #define TARGET_USE_CFIPOP 1 | |
86 | ||
87 | #define tc_cfi_frame_initial_instructions s390_cfi_frame_initial_instructions | |
88 | extern void s390_cfi_frame_initial_instructions PARAMS ((void)); | |
89 | ||
90 | #define tc_regname_to_dw2regnum tc_s390_regname_to_dw2regnum | |
91 | extern int tc_s390_regname_to_dw2regnum PARAMS ((const char *regname)); | |
92 | ||
93 | extern 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 |