1 /* tc-cris.h -- Header file for tc-cris.c, the CRIS GAS port.
2 Copyright 2000, 2001 Free Software Foundation, Inc.
4 Contributed by Axis Communications AB, Lund, Sweden.
5 Originally written for GAS 1.38.1 by Mikael Asker.
6 Updates, BFDizing, GNUifying and ELF by Hans-Peter Nilsson.
8 This file is part of GAS, the GNU Assembler.
10 GAS is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
15 GAS is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GAS; see the file COPYING. If not, write to the
22 Free Software Foundation, 59 Temple Place - Suite 330, Boston,
23 MA 02111-1307, USA. */
25 /* See the GAS "internal" document for general documentation on this.
26 It is called internals.texi (internals.info when makeinfo:d), but is
27 not installed or makeinfo:d by "make info". */
29 /* Functions and variables that aren't declared in tc.h are declared here,
30 with the type/prototype that is used in the local extern-declaration of
36 /* Multi-target support is always on. */
37 extern const char *cris_target_format
PARAMS ((void));
38 #define TARGET_FORMAT cris_target_format ()
40 #define TARGET_ARCH bfd_arch_cris
42 #define TARGET_BYTES_BIG_ENDIAN 0
44 extern const char *md_shortopts
;
45 extern struct option md_longopts
[];
46 extern size_t md_longopts_size
;
48 extern const pseudo_typeS md_pseudo_table
[];
50 #define tc_comment_chars cris_comment_chars
51 extern const char cris_comment_chars
[];
52 extern const char line_comment_chars
[];
53 extern const char line_separator_chars
[];
54 extern const char EXP_CHARS
[];
55 extern const char FLT_CHARS
[];
57 /* This should be optional, since it is ignored as an escape (assumed to
58 be itself) if it is not recognized. */
59 #define ONLY_STANDARD_ESCAPES
61 /* Note that we do not define TC_EQUAL_IN_INSN, since its current use is
62 in the instruction rather than the operand, and thus does not come to
63 use for side-effect assignments such as "and.d [r0 = r1 + 42], r3". */
66 #define md_number_to_chars number_to_chars_littleendian
68 extern const int md_short_jump_size
;
69 extern const int md_long_jump_size
;
71 /* There's no use having different functions for this; the sizes are the
72 same. Note that we can't #define md_short_jump_size here. */
73 #define md_create_short_jump md_create_long_jump
75 extern const struct relax_type md_cris_relax_table
[];
76 #define TC_GENERIC_RELAX_TABLE md_cris_relax_table
78 #define TC_HANDLES_FX_DONE
80 #define TC_FORCE_RELOCATION(fixp) md_cris_force_relocation (fixp)
81 extern int md_cris_force_relocation
PARAMS ((struct fix
*));
85 #define IS_CRIS_PIC_RELOC(X) \
86 ((X) == BFD_RELOC_CRIS_16_GOT \
87 || (X) == BFD_RELOC_CRIS_32_GOT \
88 || (X) == BFD_RELOC_CRIS_16_GOTPLT \
89 || (X) == BFD_RELOC_CRIS_32_GOTPLT \
90 || (X) == BFD_RELOC_CRIS_32_GOTREL \
91 || (X) == BFD_RELOC_CRIS_32_PLT_GOTREL \
92 || (X) == BFD_RELOC_CRIS_32_PLT_PCREL)
95 /* FIXME: Undocumented macro. Make sure we don't resolve fixups for which
96 we want to emit dynamic relocations. */
98 #define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \
99 ((FIX)->fx_addsy == NULL \
100 || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \
101 && ! S_IS_WEAK ((FIX)->fx_addsy) \
102 && S_IS_DEFINED ((FIX)->fx_addsy) \
103 && ! S_IS_COMMON ((FIX)->fx_addsy) \
104 /* FIXME: Set fx_plt instead of this check. */ \
105 && ! IS_CRIS_PIC_RELOC ((FIX)->fx_r_type)))
107 /* This is really a workaround for a bug in write.c that resolves relocs
108 for weak symbols - it should be postponed to the link stage or later.
109 Also don't adjust fixups for global symbols for ELF. */
110 #define tc_fix_adjustable(X) \
111 (((X)->fx_addsy == NULL \
112 || (! S_IS_WEAK ((X)->fx_addsy) \
113 && ! (OUTPUT_FLAVOR == bfd_target_elf_flavour \
114 && S_IS_EXTERNAL ((X)->fx_addsy)))) \
115 && (X)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
116 && (X)->fx_r_type != BFD_RELOC_VTABLE_ENTRY)
118 /* When we have fixups against constant expressions, we get a GAS-specific
119 section symbol at no extra charge for obscure reasons in
120 adjust_reloc_syms. Since ELF outputs section symbols, it gladly
121 outputs this "*ABS*" symbol in every object. Avoid that.
122 Also, don't emit undefined symbols (that aren't used in relocations).
123 They pop up when tentatively parsing register names as symbols. */
124 #define tc_frob_symbol(symp, punt) \
126 if ((OUTPUT_FLAVOR == bfd_target_elf_flavour \
127 && (symp) == section_symbol (absolute_section)) \
128 || ! S_IS_DEFINED (symp)) \
132 #define LISTING_HEADER "GAS for CRIS"
135 /* The testsuite does not let me define these, although they IMHO should
136 be preferred over the default. */
137 #define LISTING_WORD_SIZE 2
138 #define LISTING_LHS_WIDTH 4
139 #define LISTING_LHS_WIDTH_SECOND 4
142 /* END of declaration and definitions described in the "internals"
145 /* Do this, or we will never know what hit us when the
146 broken-word-fixes break. Do _not_ use WARN_SIGNED_OVERFLOW_WORD,
147 it is only for use with WORKING_DOT_WORD and warns about most stuff.
150 extern void tc_cris_check_adjusted_broken_word
PARAMS ((offsetT
,
153 #define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \
154 tc_cris_check_adjusted_broken_word ((offsetT) (new_offset), brokw)
156 /* We don't want any implicit alignment, so we do nothing. */
157 #define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR)
159 /* CRIS instructions, with operands and prefixes included, are a multiple
160 of two bytes long. */
161 #define DWARF2_LINE_MIN_INSN_LENGTH 2
166 * eval: (c-set-style "gnu")
167 * indent-tabs-mode: t