X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-alpha.h;h=1a7badcd75475af15cbcb016bdfa110b75917ea6;hb=6610dc6daa661b7cd042bc6313a29859b87263d9;hp=ca6903a70a11975fcc582a063566f0941b58a95c;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h index ca6903a70a..1a7badcd75 100644 --- a/gas/config/tc-alpha.h +++ b/gas/config/tc-alpha.h @@ -1,12 +1,12 @@ /* This file is tc-alpha.h - Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc. + Copyright (C) 1994-2016 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) + 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, @@ -16,8 +16,8 @@ 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. */ + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #define TC_ALPHA @@ -27,51 +27,52 @@ #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 \ - ? "elf64-alpha" \ + ? ELF_TARGET_FORMAT \ : 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 *)); +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(FIXP) alpha_force_relocation (FIXP) -#define tc_fix_adjustable(FIXP) alpha_fix_adjustable (FIXP) +#define TC_FORCE_RELOCATION(FIX) alpha_force_relocation (FIX) +#define tc_fix_adjustable(FIX) alpha_fix_adjustable (FIX) #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))) +/* 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) + (as_fatal ("estimate_size_before_relax called"),1) #define md_operand(x) #ifdef OBJ_EVAX +#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 -/* This field keeps the symbols position in the link section. */ -#define OBJ_SYMFIELD_TYPE valueT +#define tc_canonicalize_symbol_name evax_shorten_name -#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) \ +#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP,RELOC) \ + (void) RELOC, \ fix_new_exp (FRAG, OFF, (int)LEN, EXP, 0, \ LEN == 2 ? BFD_RELOC_16 \ : LEN == 4 ? BFD_RELOC_32 \ @@ -79,26 +80,107 @@ extern valueT alpha_gp_value; : 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 PARAMS ((int frame)); -extern void alpha_frob_ecoff_data PARAMS ((void)); +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 PARAMS ((struct symbol *)); +extern void alpha_define_label (symbolS *); #define md_cons_align(nbytes) alpha_cons_align (nbytes) -extern void alpha_cons_align PARAMS ((int)); +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 PARAMS ((void)); +extern void alpha_frob_file_before_adjust (void); #endif -#define DIFF_EXPR_OK /* foo-. gets turned into PC relative relocs */ +#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 }, +#define md_elf_section_letter alpha_elf_section_letter +extern bfd_vma alpha_elf_section_letter (int, const 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)