/* This file is tc-alpha.h
- Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1994-2021 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)
+ 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,
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
#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 \
: 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 ((symbolS *));
+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 explict !relocation_op!sequence_number. At the
+/* 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
-#ifdef RELOC_OP_P
-/* 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_adjust_symtab() alpha_adjust_symtab ()
-extern void alpha_adjust_symtab PARAMS ((void));
+#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
struct alpha_fix_tag
{
- struct fix *next_lituse; /* next !lituse */
- struct alpha_literal_tag *info; /* other members with same sequence */
+ 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(fixP) \
+#define TC_INIT_FIX_DATA(FIX) \
do { \
- fixP->tc_fix_data.next_lituse = (struct fix *)0; \
- fixP->tc_fix_data.info = (struct alpha_literal_tag *)0; \
+ 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,fixP) \
+#define TC_FIX_DATA_PRINT(STREAM, FIX) \
do { \
- if (fixP->tc_fix_data.info) \
- fprintf (stderr, "\tinfo = 0x%lx, next_lituse = 0x%lx\n", \
- (long)fixP->tc_fix_data.info, \
- (long)fixP->tc_fix_data.next_lituse); \
+ 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)
-#endif
+
+#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)
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