/* This file is tc-alpha.h Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. Written by Ken Raeburn . 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 #ifdef TE_FreeBSD #define ELF_TARGET_FORMAT "elf64-alpha-freebsd" #endif #ifndef ELF_TARGET_FORMAT #define ELF_TARGET_FORMAT "elf64-alpha" #endif #define TARGET_FORMAT (OUTPUT_FLAVOR == bfd_target_ecoff_flavour \ ? "ecoff-littlealpha" \ : OUTPUT_FLAVOR == bfd_target_elf_flavour \ ? ELF_TARGET_FORMAT \ : OUTPUT_FLAVOR == bfd_target_evax_flavour \ ? "vms-alpha" \ : "unknown-format") #define NEED_LITERAL_POOL #define REPEAT_CONS_EXPRESSIONS struct fix; struct alpha_reloc_tag; 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(FIX) alpha_force_relocation (FIX) #define tc_fix_adjustable(FIX) alpha_fix_adjustable (FIX) #define RELOC_REQUIRES_SYMBOL /* Values passed to md_apply_fix3 don't include the symbol value. */ #define MD_APPLY_SYM_VALUE(FIX) 0 #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 #ifndef VMS #define TC_IMPLICIT_LCOMM_ALIGNMENT(size, align) \ do \ { \ align = 0; \ if (size > 1) \ { \ addressT temp = 1; \ while ((size & temp) == 0) \ ++align, temp <<= 1; \ } \ } \ while (0) #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 ((symbolS *)); #define md_cons_align(nbytes) alpha_cons_align (nbytes) extern void alpha_cons_align PARAMS ((int)); #define HANDLE_ALIGN(fragp) alpha_handle_align (fragp) extern void alpha_handle_align PARAMS ((struct frag *)); #define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4 + 8) #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 md_elf_section_letter alpha_elf_section_letter extern int alpha_elf_section_letter PARAMS ((int, char **)); #define md_elf_section_flags alpha_elf_section_flags extern flagword alpha_elf_section_flags PARAMS ((flagword, int, int)); #endif /* Whether to add support for explicit !relocation_op!sequence_number. At the moment, only do this for ELF, though ECOFF could use it as well. */ #ifdef OBJ_ELF #define RELOC_OP_P #endif /* Before the relocations are written, reorder them, so that user supplied !lituse relocations follow the appropriate !literal relocations. Also convert the gas-internal relocations to the appropriate linker relocations. */ #define tc_frob_file_before_fix() alpha_before_fix () extern void alpha_before_fix PARAMS ((void)); #ifdef OBJ_ELF #define md_end alpha_elf_md_end extern void alpha_elf_md_end PARAMS ((void)); #endif /* New fields for supporting explicit relocations (such as !literal to mark where a pointer is loaded from the global table, and !lituse_base to track all of the normal uses of that pointer). */ #define TC_FIX_TYPE struct alpha_fix_tag struct alpha_fix_tag { struct fix *next_reloc; /* next !lituse or !gpdisp */ struct alpha_reloc_tag *info; /* other members with same sequence */ }; /* Initialize the TC_FIX_TYPE field. */ #define TC_INIT_FIX_DATA(FIX) \ do { \ FIX->tc_fix_data.next_reloc = (struct fix *) 0; \ FIX->tc_fix_data.info = (struct alpha_reloc_tag *) 0; \ } while (0) /* Work with DEBUG5 to print fields in tc_fix_type. */ #define TC_FIX_DATA_PRINT(STREAM, FIX) \ do { \ if (FIX->tc_fix_data.info) \ fprintf (STREAM, "\tinfo = 0x%lx, next_reloc = 0x%lx\n", \ (long) FIX->tc_fix_data.info, \ (long) FIX->tc_fix_data.next_reloc); \ } while (0) #define TARGET_USE_CFIPOP 1 #define tc_cfi_frame_initial_instructions alpha_cfi_frame_initial_instructions extern void alpha_cfi_frame_initial_instructions(void); #define DWARF2_LINE_MIN_INSN_LENGTH 4 #define DWARF2_DEFAULT_RETURN_COLUMN 26 #define DWARF2_CIE_DATA_ALIGNMENT -8