start-sanitize-d10v

        Wed Jul 17 14:51:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
        * Makefile.in (ALL_MACHINES): Add cpu-d10v.o
        (BFD32_BACKENDS) Add elf32-d10v.o
        * archures.c: Add bfd_d10v_arch.
        * bfd-in2.h: Add bfd_d10v_arch.
        * config.bfd (d10v-*-*): New target.
        * configure: (bfd_elf32_d10v_vec) New vector.
        * configure.in: (bfd_elf32_d10v_vec) New vector.
        * cpu-d10v.c: New file.
        * elf.c (prep_headers): Added case bfd_arch_d10v.
        * elf32-d10v.c: New file.
        * libbfd.h: Rebuild.
        * reloc.c (BFD_RELOC_D10V_10_PCREL_R, BFD_RELOC_D10V_10_PCREL_L, BFD_RELOC_D10V_18,
          BFD_RELOC_D10V_18_PCREL): Define.
        * targets.c (bfd_elf32_d10v_vec): New vector.
end-sanitize-d10v

1 files changed, 206 insertions, 0 deletions

diff --git a/bfd/elf32-d10v.c b/bfd/elf32-d10v.c
new file mode 100644
index 0000000..3c98fab
--- /dev/null
+++ b/bfd/elf32-d10v.c
@@ -0,0 +1,206 @@
+/* D10V-specific support for 32-bit ELF
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Martin Hunt (hunt@cygnus.com).
+
+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 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.  */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+/* #include "elf/d10v.h" */
+
+static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
+  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+static void d10v_info_to_howto_rel
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+
+
+/* Use REL instead of RELA to save space */
+#define USE_REL
+
+enum reloc_type
+{
+  R_D10V_NONE = 0,
+  R_D10V_10_PCREL_R,
+  R_D10V_10_PCREL_L,
+  R_D10V_16,
+  R_D10V_18,
+  R_D10V_18_PCREL,
+  R_D10V_max
+};
+
+static reloc_howto_type elf_d10v_howto_table[] =
+{
+  /* This reloc does nothing.  */
+  HOWTO (R_D10V_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_D10V_NONE",		/* name */
+	 false,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* An PC Relative 10-bit relocation, shifted by 2  */
+  /* right container */
+  HOWTO (R_D10V_10_PCREL_R,	/* type */
+	 2,	                /* rightshift */
+	 0,	                /* size (0 = byte, 1 = short, 2 = long) */
+	 10,	                /* bitsize */
+	 true,	                /* pc_relative */
+	 0,	                /* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc, /* special_function */
+	 "R_D10V_10_PCREL_R",	/* name */
+	 false,	                /* partial_inplace */
+	 0xff,		        /* src_mask */
+	 0xff,   		/* dst_mask */
+	 true),			/* pcrel_offset */
+
+  /* An PC Relative 10-bit relocation, shifted by 2  */
+  /* left container */
+  HOWTO (R_D10V_10_PCREL_L,	/* type */
+	 2,	                /* rightshift */
+	 0,	                /* size (0 = byte, 1 = short, 2 = long) */
+	 10,	                /* bitsize */
+	 true,	                /* pc_relative */
+	 15,	                /* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc, /* special_function */
+	 "R_D10V_10_PCREL_L",	/* name */
+	 false,	                /* partial_inplace */
+	 0xff,		        /* src_mask */
+	 0xff,   		/* dst_mask */
+	 true),			/* pcrel_offset */
+
+  /* A 16 bit absolute relocation */
+  HOWTO (R_D10V_16,		/* type */
+	 0,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 false,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_D10V_16",		/* name */
+	 false,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* An 18 bit absolute relocation, right shifted 2 */
+  HOWTO (R_D10V_18,		/* type */
+	 2,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 18,			/* bitsize */
+	 false,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_D10V_18",		/* name */
+	 false,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A relative 18 bit relocation, right shifted by 2  */
+  HOWTO (R_D10V_18_PCREL,	/* type */
+	 2,			/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 18,			/* bitsize */
+	 true,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_signed, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_D10V_18_PCREL",	/* name */
+	 false,			/* partial_inplace */
+	 0xffff,		/* src_mask */
+	 0xffff,		/* dst_mask */
+	 true),			/* pcrel_offset */
+
+};
+
+/* Map BFD reloc types to D10V ELF reloc types.  */
+
+struct d10v_reloc_map
+{
+  unsigned char bfd_reloc_val;
+  unsigned char elf_reloc_val;
+};
+
+ static const struct d10v_reloc_map d10v_reloc_map[] =
+{
+  { BFD_RELOC_NONE, R_D10V_NONE, },
+  { BFD_RELOC_D10V_10_PCREL_R, R_D10V_10_PCREL_R },
+  { BFD_RELOC_D10V_10_PCREL_L, R_D10V_10_PCREL_L },
+  { BFD_RELOC_16, R_D10V_16 },
+  { BFD_RELOC_D10V_18, R_D10V_18 },
+  { BFD_RELOC_D10V_18_PCREL, R_D10V_18_PCREL },
+};
+
+static reloc_howto_type *
+bfd_elf32_bfd_reloc_type_lookup (abfd, code)
+     bfd *abfd;
+     bfd_reloc_code_real_type code;
+{
+  unsigned int i;
+
+  for (i = 0;
+       i < sizeof (d10v_reloc_map) / sizeof (struct d10v_reloc_map);
+       i++)
+    {
+      if (d10v_reloc_map[i].bfd_reloc_val == code)
+	return &elf_d10v_howto_table[d10v_reloc_map[i].elf_reloc_val];
+    }
+
+  return NULL;
+}
+
+/* Set the howto pointer for an D10V ELF reloc.  */
+
+static void
+d10v_info_to_howto_rel (abfd, cache_ptr, dst)
+     bfd *abfd;
+     arelent *cache_ptr;
+     Elf32_Internal_Rel *dst;
+{
+  unsigned int r_type;
+
+  r_type = ELF32_R_TYPE (dst->r_info);
+  BFD_ASSERT (r_type < (unsigned int) R_D10V_max);
+  cache_ptr->howto = &elf_d10v_howto_table[r_type];
+}
+
+#define ELF_ARCH		bfd_arch_d10v
+#define ELF_MACHINE_CODE	EM_CYGNUS_D10V
+#define ELF_MAXPAGESIZE		0x1000
+
+#define TARGET_BIG_SYM          bfd_elf32_d10v_vec
+#define TARGET_BIG_NAME		"elf32-d10v"
+
+#define elf_info_to_howto	0
+#define elf_info_to_howto_rel	d10v_info_to_howto_rel
+#define elf_backend_object_p	0
+#define elf_backend_final_write_processing	0
+
+#include "elf32-target.h"