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Diffstat (limited to 'binutils-2.25/gas/config/tc-cris.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-cris.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-cris.h b/binutils-2.25/gas/config/tc-cris.h new file mode 100644 index 00000000..56584bfb --- /dev/null +++ b/binutils-2.25/gas/config/tc-cris.h @@ -0,0 +1,171 @@ +/* tc-cris.h -- Header file for tc-cris.c, the CRIS GAS port. + Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009 + 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, 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 (void); +#define TARGET_FORMAT cris_target_format () + +#define TARGET_ARCH bfd_arch_cris + +extern unsigned int cris_mach (void); +#define TARGET_MACH (cris_mach ()) + +#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 struct relax_type md_cris_relax_table[]; +#define TC_GENERIC_RELAX_TABLE md_cris_relax_table + +long cris_relax_frag (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)) + +#define TC_FORCE_RELOCATION(FIX) md_cris_force_relocation (FIX) +extern int md_cris_force_relocation (struct fix *); + +#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. */ +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (!(FIX)->fx_pcrel \ + || 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)) + +/* FIXME: This *should* be a redundant definition, as the + TC_FORCE_RELOCATION* definitions already told about the cases where + we *don't* want the symbol value calculated. Here we seem to answer + the "are you sure" question. It certainly has very little to do with + whether the symbol value is passed to md_apply_fix. */ +#define MD_APPLY_SYM_VALUE(FIX) 0 + +/* 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 (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) do { } while (0) + +/* CRIS instructions, with operands and prefixes included, are a multiple + of two bytes long. */ +#define DWARF2_LINE_MIN_INSN_LENGTH 2 + +/* Make port immune to unwanted difference in te-generic.h vs. te-linux.h. */ +#define LOCAL_LABELS_DOLLAR 1 + +#endif /* TC_CRIS */ +/* + * Local variables: + * eval: (c-set-style "gnu") + * indent-tabs-mode: t + * End: + */ |