X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-cris.h;h=34e6ef8153c5248b9368d2e506150662821429a1;hb=3c9b82baee30a1d3cfeb419643c6363dc9267208;hp=decb9f63c69c7de424c5475c77747577a6e25551;hpb=f7e42eb4af140e0068476b586464eaed5569548d;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-cris.h b/gas/config/tc-cris.h index decb9f63c6..34e6ef8153 100644 --- a/gas/config/tc-cris.h +++ b/gas/config/tc-cris.h @@ -1,9 +1,10 @@ /* tc-cris.h -- Header file for tc-cris.c, the CRIS GAS port. - Copyright 2000 Free Software Foundation, Inc. + Copyright 2000, 2001, 2002, 2003, 2004, 2005 + Free Software Foundation, Inc. Contributed by Axis Communications AB, Lund, Sweden. Originally written for GAS 1.38.1 by Mikael Asker. - Updated, BFDized and GNUified by Hans-Peter Nilsson. + Updates, BFDizing, GNUifying and ELF by Hans-Peter Nilsson. This file is part of GAS, the GNU Assembler. @@ -19,8 +20,8 @@ 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. */ + 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 @@ -34,11 +35,14 @@ #define TC_CRIS /* Multi-target support is always on. */ -extern const char *cris_target_format PARAMS ((void)); +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; @@ -65,9 +69,6 @@ extern const char FLT_CHARS[]; #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 @@ -75,27 +76,62 @@ extern const int md_long_jump_size; extern const struct relax_type md_cris_relax_table[]; #define TC_GENERIC_RELAX_TABLE md_cris_relax_table -#define TC_HANDLES_FX_DONE - -#define TC_FORCE_RELOCATION(fixp) md_cris_force_relocation (fixp) -extern int md_cris_force_relocation PARAMS ((struct fix *)); - -/* This is really a workaround for a bug in write.c that resolves relocs - for weak symbols - it should be postponed to the link stage or later. - */ -#define tc_fix_adjustable(X) \ - ((! (X)->fx_addsy || ! S_IS_WEAK((X)->fx_addsy)) \ - && (X)->fx_r_type != BFD_RELOC_VTABLE_INHERIT \ - && (X)->fx_r_type != BFD_RELOC_VTABLE_ENTRY) +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. 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)) + +/* 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. */ + 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)) \ + if ((OUTPUT_FLAVOR == bfd_target_elf_flavour \ + && (symp) == section_symbol (absolute_section)) \ + || ! S_IS_DEFINED (symp)) \ (punt) = 1; \ } while (0) @@ -117,19 +153,21 @@ extern int md_cris_force_relocation PARAMS ((struct fix *)); 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 *)); +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) +#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: