Improve -mlfence-after-load

[deliverable/binutils-gdb.git] / gas / config / tc-alpha.h

diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h
index 200cf9618430efd332229476b18f85829d4320b0..19d05a7d03e901c0a04675930cc934b9d50bde58 100644 (file)
--- a/gas/config/tc-alpha.h
+++ b/gas/config/tc-alpha.h
@@ -1,12 +1,12 @@
 /* This file is tc-alpha.h
 /* This file is tc-alpha.h

-   Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 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
    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,
    any later version.
 
    GAS is distributed in the hope that it will be useful,


@@ -16,56 +16,171 @@
 
    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
 
    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 TC_ALPHA
 

+#define TARGET_BYTES_BIG_ENDIAN 0
+
+#define WORKING_DOT_WORD
+

 #define TARGET_ARCH                    bfd_arch_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        \
 #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
                       : "unknown-format")
 
 #define NEED_LITERAL_POOL

-#define TC_HANDLES_FX_DONE

 #define REPEAT_CONS_EXPRESSIONS
 
 #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;
 
 
 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
 
 #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_convert_frag(b,s,f)         as_fatal ("alpha convert_frag\n")

-#define md_create_long_jump(p,f,t,fr,s)        as_fatal("alpha_create_long_jump")
-#define md_create_short_jump(p,f,t,fr,s) as_fatal("alpha_create_short_jump")

 #define md_estimate_size_before_relax(f,s) \
 #define md_estimate_size_before_relax(f,s) \

-                       (as_fatal("estimate_size_before_relax called"),1)
-#define md_operand(x)                  ((void) (0))
+                       (as_fatal ("estimate_size_before_relax called"),1)
+#define md_operand(x)

 
 

-#ifdef OBJ_ECOFF
-#define LOCAL_LABEL(name) ((name)[0] == 'L')
+#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,RELOC)        \
+      (void) RELOC,                            \
+      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
 #endif

-#ifdef OBJ_ELF
-#define LOCAL_LABEL(name) ((name)[0] == '$')
-#define FAKE_LABEL_NAME "$L0\001"
+
+#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
 
 #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)
 
 #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)
 
 #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 (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, 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)