Initial revision

diff --git a/bfd/coff-h8300.c b/bfd/coff-h8300.c
new file mode 100644 (file)
index 0000000..79757f4
--- /dev/null
+++ b/bfd/coff-h8300.c
@@ -0,0 +1,103 @@
+/* Motorola 68000 COFF back-end for BFD.
+   Copyright (C) 1990-1991 Free Software Foundation, Inc.
+   Written by Cygnus Support.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "obstack.h"
+#include "coff-h8300.h"
+#include "internalcoff.h"
+#include "libcoff.h"
+
+static reloc_howto_type howto_table[] = 
+{
+  HOWTO(R_RELBYTE,            0,  0,   8,  false, 0, true,  true,0,"8",        true, 0x000000ff,0x000000ff, false),
+  HOWTO(R_RELWORD,            0,  1,   16, false, 0, true,  true,0,"16",       true, 0x0000ffff,0x0000ffff, false),
+  HOWTO(R_RELLONG,            0,  2,   32, false, 0, true,  true,0,"32",       true, 0xffffffff,0xffffffff, false),
+  HOWTO(R_PCRBYTE,            0,  0,   8,  true,  0, false, true,0,"DISP8",    true, 0x000000ff,0x000000ff, true),
+  HOWTO(R_PCRWORD,            0,  1,   16, true,  0, false, true,0,"DISP16",   true, 0x0000ffff,0x0000ffff, true),
+  HOWTO(R_PCRLONG,            0,  2,   32, true,  0, false, true,0,"DISP32",   true, 0xffffffff,0xffffffff, true),
+};
+
+
+/* Turn a howto into a reloc number */
+
+#define SELECT_RELOC(x,howto) { x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
+#define BADMAG(x) H8300BADMAG(x)
+#define H8300 1                /* Customize coffcode.h */
+#define __A_MAGIC_SET__
+
+
+
+/* Code to swap in the reloc */
+#define SWAP_IN_RELOC_OFFSET   bfd_h_get_16
+#define SWAP_OUT_RELOC_OFFSET bfd_h_put_16
+#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
+  dst->r_stuff[0] = 'S'; \
+  dst->r_stuff[1] = 'C'; 
+
+/* Code to turn a r_type into a howto ptr, uses the above howto table
+   */
+
+#define RTYPE2HOWTO(internal, relocentry) \
+    (internal)->howto = ( howto_table + (relocentry).r_type - R_RELBYTE);
+
+
+/* Perform any necessaru magic to the addend in a reloc entry */
+
+
+#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
+ cache_ptr->addend =  ext_reloc.r_offset;
+
+ 
+#include "coffcode.h"
+
+
+#define coff_write_armap bsd_write_armap
+
+bfd_target h8300coff_vec =
+{
+  "coff-h8300",                /* name */
+  bfd_target_coff_flavour,
+  true,                                /* data byte order is big */
+  true,                                /* header byte order is big */
+
+  (HAS_RELOC | EXEC_P |                /* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+  '/',                         /* ar_pad_char */
+  15,                          /* ar_max_namelen */
+  1,                           /* minimum section alignment */
+_do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
+_do_getb64, _do_putb64,  _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
+
+  {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+     bfd_generic_archive_p, _bfd_dummy_target},
+  {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+     bfd_false},
+  {bfd_false, coff_write_object_contents,      /* bfd_write_contents */
+     _bfd_write_archive_contents, bfd_false},
+
+     JUMP_TABLE(coff),
+    COFF_SWAP_TABLE
+};

diff --git a/include/coff-h8300.h b/include/coff-h8300.h
new file mode 100755 (executable)
index 0000000..e14d03d
--- /dev/null
+++ b/include/coff-h8300.h
@@ -0,0 +1,201 @@
+/*** coff information for Hitachi H8/300 */
+
+/********************** FILE HEADER **********************/
+
+struct external_filehdr {
+       char f_magic[2];        /* magic number                 */
+       char f_nscns[2];        /* number of sections           */
+       char f_timdat[4];       /* time & date stamp            */
+       char f_symptr[4];       /* file pointer to symtab       */
+       char f_nsyms[4];        /* number of symtab entries     */
+       char f_opthdr[2];       /* sizeof(optional hdr)         */
+       char f_flags[2];        /* flags                        */
+};
+
+
+
+#define        H8300MAGIC      0x8300
+
+
+#define H8300BADMAG(x) (((x).f_magic!=H8300MAGIC))
+
+#define        FILHDR  struct external_filehdr
+#define        FILHSZ  sizeof(FILHDR)
+
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+
+
+typedef struct 
+{
+  char         magic[2];               /* type of file                         */
+  char vstamp[2];              /* version stamp                        */
+  char tsize[4];               /* text size in bytes, padded to FW bdry*/
+  char dsize[4];               /* initialized data "  "                */
+  char bsize[4];               /* uninitialized data "   "             */
+  char entry[4];               /* entry pt.                            */
+  char         text_start[4];          /* base of text used for this file */
+  char         data_start[4];          /* base of data used for this file */
+}
+AOUTHDR;
+
+
+#define AOUTHDRSZ (sizeof(AOUTHDR))
+#define AOUTSZ (sizeof(AOUTHDR))
+
+
+
+
+/********************** SECTION HEADER **********************/
+
+
+struct external_scnhdr {
+       char            s_name[8];      /* section name                 */
+       char            s_paddr[4];     /* physical address, aliased s_nlib */
+       char            s_vaddr[4];     /* virtual address              */
+       char            s_size[4];      /* section size                 */
+       char            s_scnptr[4];    /* file ptr to raw data for section */
+       char            s_relptr[4];    /* file ptr to relocation       */
+       char            s_lnnoptr[4];   /* file ptr to line numbers     */
+       char            s_nreloc[2];    /* number of relocation entries */
+       char            s_nlnno[2];     /* number of line number entries*/
+       char            s_flags[4];     /* flags                        */
+};
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT  ".text"
+#define _DATA  ".data"
+#define _BSS   ".bss"
+
+
+#define        SCNHDR  struct external_scnhdr
+#define        SCNHSZ  sizeof(SCNHDR)
+
+
+/********************** LINE NUMBERS **********************/
+
+/* 1 line number entry for every "breakpointable" source line in a section.
+ * Line numbers are grouped on a per function basis; first entry in a function
+ * grouping will have l_lnno = 0 and in place of physical address will be the
+ * symbol table index of the function name.
+ */
+struct external_lineno {
+       union {
+               char l_symndx[4];       /* function name symbol index, iff l_lnno == 0*/
+               char l_paddr[4];        /* (physical) address of line number    */
+       } l_addr;
+       char l_lnno[2]; /* line number          */
+};
+
+
+#define        LINENO  struct external_lineno
+#define        LINESZ  sizeof(LINENO) 
+
+
+/********************** SYMBOLS **********************/
+
+#define E_SYMNMLEN     8       /* # characters in a symbol name        */
+#define E_FILNMLEN     14      /* # characters in a file name          */
+#define E_DIMNUM       4       /* # array dimensions in auxiliary entry */
+
+struct external_syment 
+{
+  union {
+    char e_name[E_SYMNMLEN];
+    struct {
+      char e_zeroes[4];
+      char e_offset[4];
+    } e;
+  } e;
+  char e_value[4];
+  char e_scnum[2];
+  char e_type[2];
+  char e_sclass[1];
+  char e_numaux[1];
+};
+
+
+
+#define N_BTMASK       (017)
+#define N_TMASK                (060)
+#define N_BTSHFT       (4)
+#define N_TSHIFT       (2)
+  
+
+union external_auxent {
+       struct {
+               char x_tagndx[4];       /* str, un, or enum tag indx */
+               union {
+                       struct {
+                           char  x_lnno[2]; /* declaration line number */
+                           char  x_size[2]; /* str/union/array size */
+                       } x_lnsz;
+                       char x_fsize[4];        /* size of function */
+               } x_misc;
+               union {
+                       struct {                /* if ISFCN, tag, or .bb */
+                           char x_lnnoptr[4];  /* ptr to fcn line # */
+                           char x_endndx[4];   /* entry ndx past block end */
+                       } x_fcn;
+                       struct {                /* if ISARY, up to 4 dimen. */
+                           char x_dimen[E_DIMNUM][2];
+                       } x_ary;
+               } x_fcnary;
+               char x_tvndx[2];                /* tv index */
+       } x_sym;
+
+       union {
+               char x_fname[E_FILNMLEN];
+               struct {
+                       char x_zeroes[4];
+                       char x_offset[4];
+               } x_n;
+       } x_file;
+
+       struct {
+               char x_scnlen[4];                       /* section length */
+               char x_nreloc[2];       /* # relocation entries */
+               char x_nlinno[2];       /* # line numbers */
+       } x_scn;
+
+        struct {
+               char x_tvfill[4];       /* tv fill value */
+               char x_tvlen[2];        /* length of .tv */
+               char x_tvran[2][2];     /* tv range */
+       } x_tv;         /* info about .tv section (in auxent of symbol .tv)) */
+
+
+};
+
+#define        SYMENT  struct external_syment
+#define        SYMESZ  18      
+#define        AUXENT  union external_auxent
+#define        AUXESZ  18
+
+
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+/* The external reloc has an offset field, because some of the reloc
+   types on the h8 don't have room in the instruction for the entire
+   offset - eg the strange jump and high page addressing modes */
+
+struct external_reloc {
+  char r_vaddr[4];
+  char r_symndx[4];
+  char r_offset[4];
+  char r_type[2];
+  char r_stuff[2];
+};
+
+
+#define RELOC struct external_reloc
+#define RELSZ 16
+
+#define DEFAULT_DATA_SECTION_ALIGNMENT 4
+#define DEFAULT_BSS_SECTION_ALIGNMENT 4
+#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
+/* For new sections we havn't heard of before */
+#define DEFAULT_SECTION_ALIGNMENT 4