tc-alpha.h revision 33965
1/* This file is tc-alpha.h
2   Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
3   Written by Ken Raeburn <raeburn@cygnus.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 2, 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, 59 Temple Place - Suite 330, Boston, MA
20   02111-1307, USA.  */
21
22#define TC_ALPHA
23
24#define TARGET_BYTES_BIG_ENDIAN 0
25
26#define TARGET_ARCH			bfd_arch_alpha
27
28#define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour	\
29		       ? "ecoff-littlealpha"				\
30		       : OUTPUT_FLAVOR == bfd_target_elf_flavour	\
31		       ? "elf64-alpha"					\
32		       : OUTPUT_FLAVOR == bfd_target_evax_flavour	\
33		       ? "evax-alpha"					\
34		       : "unknown-format")
35
36#define NEED_LITERAL_POOL
37#define TC_HANDLES_FX_DONE
38#define REPEAT_CONS_EXPRESSIONS
39
40extern int alpha_force_relocation PARAMS ((struct fix *));
41extern int alpha_fix_adjustable PARAMS ((struct fix *));
42
43extern unsigned long alpha_gprmask, alpha_fprmask;
44extern valueT alpha_gp_value;
45
46#define TC_FORCE_RELOCATION(FIXP)	alpha_force_relocation (FIXP)
47#define tc_fix_adjustable(FIXP)		alpha_fix_adjustable (FIXP)
48#define RELOC_REQUIRES_SYMBOL
49
50#define md_convert_frag(b,s,f)		as_fatal ("alpha convert_frag\n")
51#define md_create_long_jump(p,f,t,fr,s)	as_fatal("alpha_create_long_jump")
52#define md_create_short_jump(p,f,t,fr,s) as_fatal("alpha_create_short_jump")
53#define md_estimate_size_before_relax(f,s) \
54			(as_fatal("estimate_size_before_relax called"),1)
55#define md_operand(x)
56
57#ifdef OBJ_EVAX
58
59/* This field keeps the symbols position in the link section.  */
60#define OBJ_SYMFIELD_TYPE valueT
61
62#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \
63      fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \
64	LEN == 2 ? BFD_RELOC_16 \
65	: LEN == 4 ? BFD_RELOC_32 \
66	: LEN == 8 ? BFD_RELOC_64 \
67	: BFD_RELOC_ALPHA_LINKAGE);
68#endif
69
70#define md_number_to_chars		number_to_chars_littleendian
71
72extern int tc_get_register PARAMS ((int frame));
73extern void alpha_frob_ecoff_data PARAMS ((void));
74
75#define tc_frob_label(sym) alpha_define_label (sym)
76extern void alpha_define_label PARAMS ((struct symbol *));
77
78#define md_cons_align(nbytes) alpha_cons_align (nbytes)
79extern void alpha_cons_align PARAMS ((int));
80
81#ifdef OBJ_ECOFF
82#define tc_frob_file_before_adjust() alpha_frob_file_before_adjust ()
83extern void alpha_frob_file_before_adjust PARAMS ((void));
84#endif
85