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