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