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Diffstat (limited to 'binutils-2.25/gas/config/tc-alpha.h')
| -rw-r--r-- | binutils-2.25/gas/config/tc-alpha.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/binutils-2.25/gas/config/tc-alpha.h b/binutils-2.25/gas/config/tc-alpha.h new file mode 100644 index 00000000..284c1e41 --- /dev/null +++ b/binutils-2.25/gas/config/tc-alpha.h @@ -0,0 +1,187 @@ +/* This file is tc-alpha.h + Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 + 2005, 2006, 2007, 2009 + 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 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. */ + +#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 (struct fix *); +extern int alpha_fix_adjustable (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_fix 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 +#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 + +#define tc_canonicalize_symbol_name evax_shorten_name + +#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 + +#ifdef OBJ_EVAX +#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) (P2VAR) = 3 +#else +#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 (int); +extern void alpha_frob_ecoff_data (void); + +#define tc_frob_label(sym) alpha_define_label (sym) +extern void alpha_define_label (symbolS *); + +#define md_cons_align(nbytes) alpha_cons_align (nbytes) +extern void alpha_cons_align (int); + +#define HANDLE_ALIGN(fragp) alpha_handle_align (fragp) +extern void alpha_handle_align (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 (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 bfd_vma alpha_elf_section_letter (int, char **); +#define md_elf_section_flags alpha_elf_section_flags +extern flagword alpha_elf_section_flags (flagword, bfd_vma, 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 + +#ifndef OBJ_EVAX +/* 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 (void); +#endif + +#ifdef OBJ_ELF +#define md_end alpha_elf_md_end +extern void alpha_elf_md_end (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 = NULL; \ + FIX->tc_fix_data.info = NULL; \ +} 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) |