Updated ARC assembler from arccores.com

1 files changed, 119 insertions, 104 deletions

diff --git a/bfd/elf32-arc.c b/bfd/elf32-arc.c
index 318dc704e0..254b346362 100644
--- a/bfd/elf32-arc.c
+++ b/bfd/elf32-arc.c
@@ -1,22 +1,22 @@
 /* ARC-specific support for 32-bit ELF
-   Copyright (C) 1994, 1995, 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1994, 1995, 1997, 1999, 2000 Free Software Foundation, Inc.
    Contributed by Doug Evans (dje@cygnus.com).
 
-This file is part of BFD, the Binary File Descriptor library.
+   This file is part of BFD, the Binary File Descriptor library.
 
-This program 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 of the License, or
-(at your option) any later version.
+   This program 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 of the License, or
+   (at your option) any later version.
 
-This program 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.
+   This program 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 this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #include "bfd.h"
 #include "sysdep.h"
@@ -25,77 +25,80 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "elf/arc.h"
 
 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
- PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
 static void arc_info_to_howto_rel
   PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
-static boolean arc_elf_object_p PARAMS ((bfd *));
-static void arc_elf_final_write_processing PARAMS ((bfd *, boolean));
+static boolean arc_elf_object_p
+  PARAMS ((bfd *));
+static void arc_elf_final_write_processing
+  PARAMS ((bfd *, boolean));
 
 /* Try to minimize the amount of space occupied by relocation tables
    on the ROM (not that the ROM won't be swamped by other ELF overhead).  */
+
 #define USE_REL
 
 static reloc_howto_type elf_arc_howto_table[] =
 {
   /* This reloc does nothing.  */
-  HOWTO (R_ARC_NONE,		/* type */
-	 0,			/* rightshift */
-	 2,			/* size (0 = byte, 1 = short, 2 = long) */
-	 32,			/* bitsize */
-	 false,			/* pc_relative */
-	 0,			/* bitpos */
-	 complain_overflow_bitfield, /* complain_on_overflow */
-	 bfd_elf_generic_reloc,	/* special_function */
-	 "R_ARC_NONE",		/* name */
-	 false,			/* partial_inplace */
-	 0,			/* src_mask */
-	 0,			/* dst_mask */
-	 false),		/* pcrel_offset */
+  HOWTO (R_ARC_NONE,		/* type  */
+	 0,			/* rightshift  */
+	 2,			/* size (0 = byte, 1 = short, 2 = long)  */
+	 32,			/* bitsize  */
+	 false,			/* pc_relative  */
+	 0,			/* bitpos  */
+	 complain_overflow_bitfield, /* complain_on_overflow  */
+	 bfd_elf_generic_reloc,	/* special_function  */
+	 "R_ARC_NONE",		/* name  */
+	 false,			/* partial_inplace  */
+	 0,			/* src_mask  */
+	 0,			/* dst_mask  */
+	 false),		/* pcrel_offset  */
 
   /* A standard 32 bit relocation.  */
-  HOWTO (R_ARC_32,		/* type */
-	 0,	                /* rightshift */
-	 2,	                /* size (0 = byte, 1 = short, 2 = long) */
-	 32,	                /* bitsize */
-	 false,	                /* pc_relative */
-	 0,	                /* bitpos */
-	 complain_overflow_bitfield, /* complain_on_overflow */
-	 bfd_elf_generic_reloc, /* special_function */
-	 "R_ARC_32",		/* name */
-	 false,	                /* partial_inplace */
-	 0xffffffff,	        /* src_mask */
-	 0xffffffff,   		/* dst_mask */
-	 false),                /* pcrel_offset */
+  HOWTO (R_ARC_32,		/* type  */
+	 0,	                /* rightshift  */
+	 2,	                /* size (0 = byte, 1 = short, 2 = long)  */
+	 32,	                /* bitsize  */
+	 false,	                /* pc_relative  */
+	 0,	                /* bitpos  */
+	 complain_overflow_bitfield, /* complain_on_overflow  */
+	 bfd_elf_generic_reloc, /* special_function  */
+	 "R_ARC_32",		/* name  */
+	 false,	                /* partial_inplace  */
+	 0xffffffff,	        /* src_mask  */
+	 0xffffffff,   		/* dst_mask  */
+	 false),                /* pcrel_offset  */
 
   /* A 26 bit absolute branch, right shifted by 2.  */
-  HOWTO (R_ARC_B26,		/* type */
-	 2,			/* rightshift */
-	 2,			/* size (0 = byte, 1 = short, 2 = long) */
-	 26,			/* bitsize */
-	 false,			/* pc_relative */
-	 0,			/* bitpos */
-	 complain_overflow_bitfield, /* complain_on_overflow */
-	 bfd_elf_generic_reloc,	/* special_function */
-	 "R_ARC_B26",		/* name */
-	 false,			/* partial_inplace */
-	 0x00ffffff,		/* src_mask */
-	 0x00ffffff,		/* dst_mask */
-	 false),		/* pcrel_offset */
+  HOWTO (R_ARC_B26,		/* type  */
+	 2,			/* rightshift  */
+	 2,			/* size (0 = byte, 1 = short, 2 = long)  */
+	 26,			/* bitsize  */
+	 false,			/* pc_relative  */
+	 0,			/* bitpos  */
+	 complain_overflow_bitfield, /* complain_on_overflow  */
+	 bfd_elf_generic_reloc,	/* special_function  */
+	 "R_ARC_B26",		/* name  */
+	 false,			/* partial_inplace  */
+	 0x00ffffff,		/* src_mask  */
+	 0x00ffffff,		/* dst_mask  */
+	 false),		/* pcrel_offset  */
 
   /* A relative 22 bit branch; bits 21-2 are stored in bits 26-7.  */
-  HOWTO (R_ARC_B22_PCREL,	/* type */
-	 2,			/* rightshift */
-	 2,			/* size (0 = byte, 1 = short, 2 = long) */
-	 22,			/* bitsize */
-	 true,			/* pc_relative */
-	 7,			/* bitpos */
-	 complain_overflow_signed, /* complain_on_overflow */
-	 bfd_elf_generic_reloc,	/* special_function */
-	 "R_ARC_B22_PCREL",	/* name */
-	 false,			/* partial_inplace */
-	 0x07ffff80,		/* src_mask */
-	 0x07ffff80,		/* dst_mask */
-	 true),			/* pcrel_offset */
+  HOWTO (R_ARC_B22_PCREL,	/* type  */
+	 2,			/* rightshift  */
+	 2,			/* size (0 = byte, 1 = short, 2 = long)  */
+	 22,			/* bitsize  */
+	 true,			/* pc_relative  */
+	 7,			/* bitpos  */
+	 complain_overflow_signed, /* complain_on_overflow  */
+	 bfd_elf_generic_reloc,	/* special_function  */
+	 "R_ARC_B22_PCREL",	/* name  */
+	 false,			/* partial_inplace  */
+	 0x07ffff80,		/* src_mask  */
+	 0x07ffff80,		/* dst_mask  */
+	 true),			/* pcrel_offset  */
 
 };
 
@@ -123,14 +126,11 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code)
 {
   unsigned int i;
 
-  for (i = 0;
-       i < sizeof (arc_reloc_map) / sizeof (struct arc_reloc_map);
-       i++)
+  for (i = 0; i < sizeof (arc_reloc_map) / sizeof (struct arc_reloc_map); i++)
     {
       if (arc_reloc_map[i].bfd_reloc_val == code)
 	return &elf_arc_howto_table[arc_reloc_map[i].elf_reloc_val];
     }
-
   return NULL;
 }
 
@@ -155,21 +155,30 @@ static boolean
 arc_elf_object_p (abfd)
      bfd *abfd;
 {
-  int mach;
-  unsigned long arch = elf_elfheader (abfd)->e_flags & EF_ARC_MACH;
+  int mach = bfd_mach_arc_5;
 
-  switch (arch)
+  if (elf_elfheader(abfd)->e_machine == EM_ARC)
     {
-    case E_ARC_MACH_BASE:
-      mach = bfd_mach_arc_base;
-      break;
-    default:
-      /* Unknown cpu type.  ??? What to do?  */
-      return false;
+      unsigned long arch = elf_elfheader (abfd)->e_flags & EF_ARC_MACH;
+
+      switch (arch)
+	{
+	default:
+	case E_ARC_MACH_ARC5:
+	  mach = bfd_mach_arc_5;
+	  break;
+	case E_ARC_MACH_ARC6:
+	  mach = bfd_mach_arc_6;
+	  break;
+	case E_ARC_MACH_ARC7:
+	  mach = bfd_mach_arc_7;
+	  break;
+	case E_ARC_MACH_ARC8:
+	  mach = bfd_mach_arc_8;
+	  break;
+	}
     }
-
-  (void) bfd_default_set_arch_mach (abfd, bfd_arch_arc, mach);
-  return true;
+  return bfd_default_set_arch_mach (abfd, bfd_arch_arc, mach);
 }
 
 /* The final processing done just before writing out an ARC ELF object file.
@@ -180,34 +189,40 @@ arc_elf_final_write_processing (abfd, linker)
      bfd *abfd;
      boolean linker ATTRIBUTE_UNUSED;
 {
-  int mach;
   unsigned long val;
 
-  switch (mach = bfd_get_mach (abfd))
+  switch (bfd_get_mach (abfd))
     {
-    case bfd_mach_arc_base:
-      val = E_ARC_MACH_BASE;
-      break;
     default:
-      return;
+    case bfd_mach_arc_5:
+      val = E_ARC_MACH_ARC5;
+      break;
+    case bfd_mach_arc_6:
+      val = E_ARC_MACH_ARC6;
+      break;
+    case bfd_mach_arc_7:
+      val = E_ARC_MACH_ARC7;
+      break;
+    case bfd_mach_arc_8:
+      val = E_ARC_MACH_ARC8;
+      break;
     }
-
+  elf_elfheader (abfd)->e_machine = EM_ARC;
   elf_elfheader (abfd)->e_flags &=~ EF_ARC_MACH;
   elf_elfheader (abfd)->e_flags |= val;
 }
 
-#define TARGET_LITTLE_SYM	bfd_elf32_littlearc_vec
-#define TARGET_LITTLE_NAME	"elf32-littlearc"
-#define TARGET_BIG_SYM		bfd_elf32_bigarc_vec
-#define TARGET_BIG_NAME		"elf32-bigarc"
-#define ELF_ARCH		bfd_arch_arc
-#define ELF_MACHINE_CODE	EM_CYGNUS_ARC
-#define ELF_MAXPAGESIZE		0x1000
-
-#define elf_info_to_howto	0
-#define elf_info_to_howto_rel	arc_info_to_howto_rel
-#define elf_backend_object_p	arc_elf_object_p
-#define elf_backend_final_write_processing \
-				arc_elf_final_write_processing
+#define TARGET_LITTLE_SYM bfd_elf32_littlearc_vec
+#define TARGET_LITTLE_NAME "elf32-littlearc"
+#define TARGET_BIG_SYM bfd_elf32_bigarc_vec
+#define TARGET_BIG_NAME	"elf32-bigarc"
+#define ELF_ARCH bfd_arch_arc
+#define ELF_MACHINE_CODE EM_ARC
+#define ELF_MAXPAGESIZE	0x1000
+
+#define elf_info_to_howto 0
+#define elf_info_to_howto_rel arc_info_to_howto_rel
+#define elf_backend_object_p arc_elf_object_p
+#define elf_backend_final_write_processing arc_elf_final_write_processing
 
 #include "elf32-target.h"