binutils-gdb/gas/config/tc-cris.h

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/* tc-cris.h -- Header file for tc-cris.c, the CRIS GAS port.
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Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
Contributed by Axis Communications AB, Lund, Sweden.
Originally written for GAS 1.38.1 by Mikael Asker.
Updates, BFDizing, GNUifying and ELF by Hans-Peter Nilsson.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
/* See the GAS "internal" document for general documentation on this.
It is called internals.texi (internals.info when makeinfo:d), but is
not installed or makeinfo:d by "make info". */
/* Functions and variables that aren't declared in tc.h are declared here,
with the type/prototype that is used in the local extern-declaration of
their usage. */
#ifndef TC_CRIS
#define TC_CRIS
/* Multi-target support is always on. */
extern const char *cris_target_format PARAMS ((void));
#define TARGET_FORMAT cris_target_format ()
#define TARGET_ARCH bfd_arch_cris
#define TARGET_BYTES_BIG_ENDIAN 0
extern const char *md_shortopts;
extern struct option md_longopts[];
extern size_t md_longopts_size;
extern const pseudo_typeS md_pseudo_table[];
#define tc_comment_chars cris_comment_chars
extern const char cris_comment_chars[];
extern const char line_comment_chars[];
extern const char line_separator_chars[];
extern const char EXP_CHARS[];
extern const char FLT_CHARS[];
/* This should be optional, since it is ignored as an escape (assumed to
be itself) if it is not recognized. */
#define ONLY_STANDARD_ESCAPES
/* Note that we do not define TC_EQUAL_IN_INSN, since its current use is
in the instruction rather than the operand, and thus does not come to
use for side-effect assignments such as "and.d [r0 = r1 + 42], r3". */
#define md_operand(x)
#define md_number_to_chars number_to_chars_littleendian
extern const int md_short_jump_size;
extern const int md_long_jump_size;
/* There's no use having different functions for this; the sizes are the
same. Note that we can't #define md_short_jump_size here. */
#define md_create_short_jump md_create_long_jump
extern const struct relax_type md_cris_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_cris_relax_table
long cris_relax_frag PARAMS ((segT, fragS *, long));
/* GAS only handles relaxations for pc-relative data targeting addresses
in the same segment, so we have to handle the rest on our own. */
#define md_relax_frag(SEG, FRAGP, STRETCH) \
((FRAGP)->fr_symbol != NULL \
&& S_GET_SEGMENT ((FRAGP)->fr_symbol) == (SEG) \
? relax_frag (SEG, FRAGP, STRETCH) \
: cris_relax_frag (SEG, FRAGP, STRETCH))
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#define TC_FORCE_RELOCATION(FIX) md_cris_force_relocation (FIX)
extern int md_cris_force_relocation PARAMS ((struct fix *));
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#define IS_CRIS_PIC_RELOC(RTYPE) \
((RTYPE) == BFD_RELOC_CRIS_16_GOT \
|| (RTYPE) == BFD_RELOC_CRIS_32_GOT \
|| (RTYPE) == BFD_RELOC_CRIS_16_GOTPLT \
|| (RTYPE) == BFD_RELOC_CRIS_32_GOTPLT \
|| (RTYPE) == BFD_RELOC_CRIS_32_GOTREL \
|| (RTYPE) == BFD_RELOC_CRIS_32_PLT_GOTREL \
|| (RTYPE) == BFD_RELOC_CRIS_32_PLT_PCREL)
/* Make sure we don't resolve fixups for which we want to emit dynamic
relocations. FIXME: Set fx_plt instead of using IS_CRIS_PIC_RELOC. */
#define TC_FORCE_RELOCATION_LOCAL(FIX) \
(!(FIX)->fx_pcrel \
|| (FIX)->fx_plt \
|| IS_CRIS_PIC_RELOC ((FIX)->fx_r_type) \
|| TC_FORCE_RELOCATION (FIX))
/* For some reloc types, don't adjust fixups by reducing to a section
symbol. */
#define tc_fix_adjustable(FIX) \
((FIX)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \
&& (FIX)->fx_r_type != BFD_RELOC_VTABLE_ENTRY \
&& (! IS_CRIS_PIC_RELOC ((FIX)->fx_r_type) \
|| (FIX)->fx_r_type == BFD_RELOC_CRIS_32_GOTREL))
/* When we have fixups against constant expressions, we get a GAS-specific
section symbol at no extra charge for obscure reasons in
adjust_reloc_syms. Since ELF outputs section symbols, it gladly
outputs this "*ABS*" symbol in every object. Avoid that.
Also, don't emit undefined symbols (that aren't used in relocations).
They pop up when tentatively parsing register names as symbols. */
#define tc_frob_symbol(symp, punt) \
do { \
if ((OUTPUT_FLAVOR == bfd_target_elf_flavour \
&& (symp) == section_symbol (absolute_section)) \
|| ! S_IS_DEFINED (symp)) \
(punt) = 1; \
} while (0)
#define LISTING_HEADER "GAS for CRIS"
#if 0
/* The testsuite does not let me define these, although they IMHO should
be preferred over the default. */
#define LISTING_WORD_SIZE 2
#define LISTING_LHS_WIDTH 4
#define LISTING_LHS_WIDTH_SECOND 4
#endif
/* END of declaration and definitions described in the "internals"
document. */
/* Do this, or we will never know what hit us when the
broken-word-fixes break. Do _not_ use WARN_SIGNED_OVERFLOW_WORD,
it is only for use with WORKING_DOT_WORD and warns about most stuff.
(still in 2.9.1). */
struct broken_word;
extern void tc_cris_check_adjusted_broken_word PARAMS ((offsetT,
struct
broken_word *));
#define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \
tc_cris_check_adjusted_broken_word ((offsetT) (new_offset), brokw)
/* We don't want any implicit alignment, so we do nothing. */
#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR)
/* CRIS instructions, with operands and prefixes included, are a multiple
of two bytes long. */
#define DWARF2_LINE_MIN_INSN_LENGTH 2
#endif /* TC_CRIS */
/*
* Local variables:
* eval: (c-set-style "gnu")
* indent-tabs-mode: t
* End:
*/