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Diffstat (limited to 'gas/config/tc-alpha.h')
| -rw-r--r-- | gas/config/tc-alpha.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h new file mode 100644 index 00000000000..ca6903a70a1 --- /dev/null +++ b/gas/config/tc-alpha.h @@ -0,0 +1,104 @@ +/* This file is tc-alpha.h + Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc. + Written by Ken Raeburn <raeburn@cygnus.com>. + + 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. */ + +#define TC_ALPHA + +#define TARGET_BYTES_BIG_ENDIAN 0 + +#define WORKING_DOT_WORD + +#define TARGET_ARCH bfd_arch_alpha + +#define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ + ? "ecoff-littlealpha" \ + : OUTPUT_FLAVOR == bfd_target_elf_flavour \ + ? "elf64-alpha" \ + : OUTPUT_FLAVOR == bfd_target_evax_flavour \ + ? "vms-alpha" \ + : "unknown-format") + +#define NEED_LITERAL_POOL +#define TC_HANDLES_FX_DONE +#define REPEAT_CONS_EXPRESSIONS + +extern int alpha_force_relocation PARAMS ((struct fix *)); +extern int alpha_fix_adjustable PARAMS ((struct fix *)); + +extern unsigned long alpha_gprmask, alpha_fprmask; +extern valueT alpha_gp_value; + +#define TC_FORCE_RELOCATION(FIXP) alpha_force_relocation (FIXP) +#define tc_fix_adjustable(FIXP) alpha_fix_adjustable (FIXP) +#define RELOC_REQUIRES_SYMBOL + +/* This expression evaluates to false if the relocation is for a local + object for which we still want to do the relocation at runtime. + True if we are willing to perform this relocation while building + the .o file. This is only used for pcrel relocations. */ + +#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ + ((FIX)->fx_addsy == NULL \ + || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ + && ! S_IS_WEAK ((FIX)->fx_addsy) \ + && S_IS_DEFINED ((FIX)->fx_addsy) \ + && ! S_IS_COMMON ((FIX)->fx_addsy))) + +#define md_convert_frag(b,s,f) as_fatal ("alpha convert_frag\n") +#define md_estimate_size_before_relax(f,s) \ + (as_fatal("estimate_size_before_relax called"),1) +#define md_operand(x) + +#ifdef OBJ_EVAX + +/* This field keeps the symbols position in the link section. */ +#define OBJ_SYMFIELD_TYPE valueT + +#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \ + fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \ + LEN == 2 ? BFD_RELOC_16 \ + : LEN == 4 ? BFD_RELOC_32 \ + : LEN == 8 ? BFD_RELOC_64 \ + : BFD_RELOC_ALPHA_LINKAGE); +#endif + +#define md_number_to_chars number_to_chars_littleendian + +extern int tc_get_register PARAMS ((int frame)); +extern void alpha_frob_ecoff_data PARAMS ((void)); + +#define tc_frob_label(sym) alpha_define_label (sym) +extern void alpha_define_label PARAMS ((struct symbol *)); + +#define md_cons_align(nbytes) alpha_cons_align (nbytes) +extern void alpha_cons_align PARAMS ((int)); + +#ifdef OBJ_ECOFF +#define tc_frob_file_before_adjust() alpha_frob_file_before_adjust () +extern void alpha_frob_file_before_adjust PARAMS ((void)); +#endif + +#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ + +#ifdef OBJ_ELF +#define ELF_TC_SPECIAL_SECTIONS \ + { ".sdata", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL }, \ + { ".sbss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_ALPHA_GPREL }, +#endif |