* elf32-v850.c (reloc_type): Add R_V850_HI16_S.

(elf_v850_howto_table): Add info for HI16_S reloc.
(v850_reloc_map): Add HI_16_S reloc.
* reloc.c: Define BFD_RELOC_V850_* relocs.

1 files changed, 199 insertions, 0 deletions

diff --git a/bfd/elf32-v850.c b/bfd/elf32-v850.c
new file mode 100644
index 0000000..d1c1d00
--- /dev/null
+++ b/bfd/elf32-v850.c
@@ -0,0 +1,199 @@
+/* V850-specific support for 32-bit ELF
+   Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+
+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"
+
+static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
+  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
+static void v850_info_to_howto_rel
+  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
+
+
+/* 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
+
+enum reloc_type
+{
+  R_V850_NONE = 0,
+  R_V850_9_PCREL,
+  R_V850_22_PCREL,
+  R_V850_HI16_S,
+  R_V850_HI16,
+  R_V850_LO16,
+  R_V850_max
+};
+
+static reloc_howto_type elf_v850_howto_table[] =
+{
+  /* This reloc does nothing.  */
+  HOWTO (R_V850_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_V850_NONE",		/* name */
+	 false,			/* partial_inplace */
+	 0,			/* src_mask */
+	 0,			/* dst_mask */
+	 false),		/* pcrel_offset */
+
+  /* A PC relative 9 bit branch. */
+  HOWTO (R_V850_9_PCREL,	/* type */
+	 2,			/* rightshift */
+	 2,			/* size (0 = byte, 1 = short, 2 = long) */
+	 26,			/* bitsize */
+	 true,			/* pc_relative */
+	 0,			/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_generic_reloc,	/* special_function */
+	 "R_V850_9_PCREL",	/* name */
+	 false,			/* partial_inplace */
+	 0x00ffffff,		/* src_mask */
+	 0x00ffffff,		/* dst_mask */
+	 true),			/* pcrel_offset */
+
+  /* A PC relative 22 bit branch. */
+  HOWTO (R_V850_22_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_V850_22_PCREL",	/* name */
+	 false,			/* partial_inplace */
+	 0x07ffff80,		/* src_mask */
+	 0x07ffff80,		/* dst_mask */
+	 true),			/* pcrel_offset */
+
+  /* High 16 bits of symbol value.  */
+  HOWTO (R_V850_HI16_S,         /* type */
+         0,                     /* rightshift */
+         1,                     /* size (0 = byte, 1 = short, 2 = long) */
+         16,                    /* bitsize */
+         false,                 /* pc_relative */
+         16,                    /* bitpos */
+         complain_overflow_dont,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_V850_HI16_S",       /* name */
+         true,                  /* partial_inplace */
+         0xffff,                /* src_mask */
+         0xffff,                /* dst_mask */
+         false),                /* pcrel_offset */
+
+  /* High 16 bits of symbol value.  */
+  HOWTO (R_V850_HI16,           /* type */
+         0,                     /* rightshift */
+         1,                     /* size (0 = byte, 1 = short, 2 = long) */
+         16,                    /* bitsize */
+         false,                 /* pc_relative */
+         16,                    /* bitpos */
+         complain_overflow_dont,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_V850_HI16",         /* name */
+         true,                  /* partial_inplace */
+         0xffff,                /* src_mask */
+         0xffff,                /* dst_mask */
+         false),                /* pcrel_offset */
+
+  /* Low 16 bits of symbol value.  */
+  HOWTO (R_V850_LO16,           /* type */
+         0,                     /* rightshift */
+         1,                     /* size (0 = byte, 1 = short, 2 = long) */
+         16,                    /* bitsize */
+         false,                 /* pc_relative */
+         16,                     /* bitpos */
+         complain_overflow_dont,/* complain_on_overflow */
+         bfd_elf_generic_reloc, /* special_function */
+         "R_V850_LO16",         /* name */
+         true,                  /* partial_inplace */
+         0xffff,                /* src_mask */
+         0xffff,                /* dst_mask */
+         false),                /* pcrel_offset */
+};
+
+/* Map BFD reloc types to V850 ELF reloc types.  */
+
+struct v850_reloc_map
+{
+  unsigned char bfd_reloc_val;
+  unsigned char elf_reloc_val;
+};
+
+static const struct v850_reloc_map v850_reloc_map[] =
+{
+  { BFD_RELOC_NONE, R_V850_NONE, },
+  { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL, },
+  { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL, },
+  { BFD_RELOC_HI16_S, R_V850_HI16_S, },
+  { BFD_RELOC_HI16, R_V850_HI16, },
+  { BFD_RELOC_LO16, R_V850_LO16, },
+};
+
+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 (v850_reloc_map) / sizeof (struct v850_reloc_map);
+       i++)
+    {
+      if (v850_reloc_map[i].bfd_reloc_val == code)
+	return &elf_v850_howto_table[v850_reloc_map[i].elf_reloc_val];
+    }
+
+  return NULL;
+}
+
+/* Set the howto pointer for an V850 ELF reloc.  */
+
+static void
+v850_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_V850_max);
+  cache_ptr->howto = &elf_v850_howto_table[r_type];
+}
+
+#define TARGET_BIG_SYM		bfd_elf32_v850_vec
+#define TARGET_BIG_NAME		"elf32-v850"
+#define ELF_ARCH		bfd_arch_v850
+#define ELF_MACHINE_CODE	EM_CYGNUS_V850
+#define ELF_MAXPAGESIZE		0x1000
+
+#define elf_info_to_howto	0
+#define elf_info_to_howto_rel	v850_info_to_howto_rel
+
+#include "elf32-target.h"