New and improved Lynx support.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 5a1cac1..4dfd9e3 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,21 @@
+Mon Sep 27 18:29:18 1993  Stan Shebs  (shebs@rtl.cygnus.com)
+
+       * config.bfd configure.host: Match on *-lynxos* for LynxOS,
+       add m68*-*-lynxos*.
+       * configure.in : Replaced i386lynx_vec with i386lynx_aout_vec
+       and i386lynx_coff_vec.
+       Added m68klynx_aout_vec and m68klynx_coff_vec.
+       * targets.c (target_vector): Removed i386lynx_vec, added
+       {i386,m68k}lynx_{aout,coff}_vec.
+       * i386lynx.c: Added copy of i386coff.c, renamed bfd target to
+       i386lynx_coff_vec.
+       * m68klynx.c: New file.
+       * config/i386-lynx.mt: Replaced i386lynx_vec with i386lynx_aout_vec
+       and i386lynx_coff_vec.
+       * config/m68k-lynx.mt: New file.
+       * config/i386lynx.h: Added definition of cfree as free (from Eichin).
+       * hosts/m68klynx.h: New file.
+
 Mon Sep 27 18:00:41 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
        * archive.c: Define offsetof here.

diff --git a/bfd/hosts/i386lynx.h b/bfd/hosts/i386lynx.h
index b399533..63d9579 100644 (file)
--- a/bfd/hosts/i386lynx.h
+++ b/bfd/hosts/i386lynx.h
@@ -29,4 +29,8 @@
 #include "fopen-same.h"
 #undef I386                    /* Lynx defines this for some reason */
 
+/* Lynx has calloc, but no cfree, and gprof uses it. */
+
+#define cfree free
+
 #endif         /* hosts_i386lynx_h */

diff --git a/bfd/hosts/m68klynx.h b/bfd/hosts/m68klynx.h
new file mode 100644 (file)
index 0000000..4944512
--- /dev/null
+++ b/bfd/hosts/m68klynx.h
@@ -0,0 +1,29 @@
+/* Motorola 680x0 running any BSD Unix */
+
+#ifndef hosts_m68kbsd_H
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+#define        HOST_PAGE_SIZE          NBPG
+#define        HOST_MACHINE_ARCH       bfd_arch_m68k
+#define        HOST_TEXT_START_ADDR            USRTEXT
+
+#define u_comm u_kproc.kp_proc.p_comm
+
+#include "fopen-same.h"
+#define hosts_m68kbsd_H
+#endif

diff --git a/bfd/m68klynx.c b/bfd/m68klynx.c
new file mode 100644 (file)
index 0000000..73aced8
--- /dev/null
+++ b/bfd/m68klynx.c
@@ -0,0 +1,264 @@
+/* BFD back-end for m68k binaries under Lynx.
+   Copyright (C) 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#define BYTES_IN_WORD 4
+#define ARCH 32
+#define N_SHARED_LIB(x) 0
+
+#define TEXT_START_ADDR 0
+#define PAGE_SIZE 4096
+#define SEGMENT_SIZE PAGE_SIZE
+#define DEFAULT_ARCH bfd_arch_m68k
+
+#define MY(OP) CAT(m68klynx_aout,OP)
+#define TARGETNAME "a.out-m68k-lynx"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+
+#include "libaout.h"
+
+#define MY_BFD_TARGET
+
+#include "aout-target.h"
+
+bfd_target m68klynx_aout_vec =
+{
+  TARGETNAME,          /* name */
+  bfd_target_aout_flavour,
+#ifdef TARGET_IS_BIG_ENDIAN_P
+  true,                                /* target byte order (big) */
+  true,                                /* target headers byte order (big) */
+#else
+  false,                       /* target byte order (little) */
+  false,                       /* target headers byte order (little) */
+#endif
+  (HAS_RELOC | EXEC_P |                /* object flags */
+   HAS_LINENO | HAS_DEBUG |
+   HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+  MY_symbol_leading_char,
+  AR_PAD_CHAR,                 /* ar_pad_char */
+  15,                          /* ar_max_namelen */
+  3,                           /* minimum alignment */
+#ifdef TARGET_IS_BIG_ENDIAN_P
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+#else
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
+  bfd_getl64, bfd_getl_signed_64, bfd_putl64,
+     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
+     bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
+#endif
+    {_bfd_dummy_target, MY_object_p, /* bfd_check_format */
+       bfd_generic_archive_p, MY_core_file_p},
+    {bfd_false, MY_mkobject,   /* bfd_set_format */
+       _bfd_generic_mkarchive, bfd_false},
+    {bfd_false, MY_write_object_contents, /* bfd_write_contents */
+       _bfd_write_archive_contents, bfd_false},
+
+  MY_core_file_failing_command,
+  MY_core_file_failing_signal,
+  MY_core_file_matches_executable_p,
+  MY_slurp_armap,
+  MY_slurp_extended_name_table,
+  MY_truncate_arname,
+  MY_write_armap,
+  MY_close_and_cleanup,
+  MY_set_section_contents,
+  MY_get_section_contents,
+  MY_new_section_hook,
+  MY_get_symtab_upper_bound,
+  MY_get_symtab,
+  MY_get_reloc_upper_bound,
+  MY_canonicalize_reloc,
+  MY_make_empty_symbol,
+  MY_print_symbol,
+  MY_get_symbol_info,
+  MY_get_lineno,
+  MY_set_arch_mach,
+  MY_openr_next_archived_file,
+  MY_find_nearest_line,
+  MY_generic_stat_arch_elt,
+  MY_sizeof_headers,
+  MY_bfd_debug_info_start,
+  MY_bfd_debug_info_end,
+  MY_bfd_debug_info_accumulate,
+  bfd_generic_get_relocated_section_contents,
+  bfd_generic_relax_section,
+  bfd_generic_seclet_link,
+  MY_reloc_howto_type_lookup,
+  MY_make_debug_symbol,
+  (PTR) MY_backend_data,
+};
+
+/* BFD back-end for Motorola 68000 COFF binaries.
+   Copyright 1990, 1991, 1992, 1993 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.  */
+
+#undef OMAGIC
+#undef N_ABS
+#undef exec_hdr
+#undef obj_sym_filepos
+
+#include "obstack.h"
+#include "coff/m68k.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+#define COFF_LONG_FILENAMES
+
+#ifdef ONLY_DECLARE_RELOCS
+extern reloc_howto_type m68kcoff_howto_table[];
+#else
+reloc_howto_type m68kcoff_howto_table[] = 
+{
+  HOWTO(R_RELBYTE,            0,  0,   8,  false, 0, complain_overflow_bitfield, 0, "8",       true, 0x000000ff,0x000000ff, false),
+  HOWTO(R_RELWORD,            0,  1,   16, false, 0, complain_overflow_bitfield, 0, "16",      true, 0x0000ffff,0x0000ffff, false),
+  HOWTO(R_RELLONG,            0,  2,   32, false, 0, complain_overflow_bitfield, 0, "32",      true, 0xffffffff,0xffffffff, false),
+  HOWTO(R_PCRBYTE,            0,  0,   8,  true,  0, complain_overflow_signed, 0, "DISP8",    true, 0x000000ff,0x000000ff, false),
+  HOWTO(R_PCRWORD,            0,  1,   16, true,  0, complain_overflow_signed, 0, "DISP16",   true, 0x0000ffff,0x0000ffff, false),
+  HOWTO(R_PCRLONG,            0,  2,   32, true,  0, complain_overflow_signed, 0, "DISP32",   true, 0xffffffff,0xffffffff, false),
+  HOWTO(R_RELLONG_NEG,        0,  -2,  32, false, 0, complain_overflow_bitfield, 0, "-32",     true, 0xffffffff,0xffffffff, false),
+};
+#endif /* not ONLY_DECLARE_RELOCS */
+
+#ifndef BADMAG
+#define BADMAG(x) M68KBADMAG(x)
+#endif
+#define M68 1          /* Customize coffcode.h */
+
+/* Turn a howto into a reloc number */
+
+#ifdef ONLY_DECLARE_RELOCS
+extern void m68k_rtype2howto PARAMS ((arelent *internal, int relocentry));
+extern int m68k_howto2rtype PARAMS ((CONST struct reloc_howto_struct *));
+#else
+void
+m68k_rtype2howto(internal, relocentry)
+     arelent *internal;
+     int relocentry;
+{
+  switch (relocentry) 
+  {
+   case R_RELBYTE:     internal->howto = m68kcoff_howto_table + 0; break;
+   case R_RELWORD:     internal->howto = m68kcoff_howto_table + 1; break;
+   case R_RELLONG:     internal->howto = m68kcoff_howto_table + 2; break;
+   case R_PCRBYTE:     internal->howto = m68kcoff_howto_table + 3; break;
+   case R_PCRWORD:     internal->howto = m68kcoff_howto_table + 4; break;
+   case R_PCRLONG:     internal->howto = m68kcoff_howto_table + 5; break;
+   case R_RELLONG_NEG: internal->howto = m68kcoff_howto_table + 6; break;
+  }
+}
+
+int 
+m68k_howto2rtype (internal)
+     CONST struct reloc_howto_struct *internal;
+{
+  if (internal->pc_relative) 
+  {
+    switch (internal->bitsize) 
+    {
+     case 32: return R_PCRLONG;
+     case 16: return R_PCRWORD;
+     case 8: return R_PCRBYTE;
+    }
+  }
+  else 
+  {
+    switch (internal->bitsize) 
+     {
+      case 32: return R_RELLONG;
+      case 16: return R_RELWORD;
+      case 8: return R_RELBYTE;
+     }
+  }
+  return R_RELLONG;    
+}
+#endif /* not ONLY_DECLARE_RELOCS */
+
+#define RTYPE2HOWTO(internal, relocentry) \
+  m68k_rtype2howto(internal, (relocentry)->r_type)
+
+#define SELECT_RELOC(external, internal) \
+  external = m68k_howto2rtype(internal);
+
+#include "coffcode.h"
+
+bfd_target m68klynx_coff_vec =
+{
+  "coff-m68k-lynx",
+
+  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 */
+#ifdef NAMES_HAVE_UNDERSCORE
+  '_',
+#else
+  0,                           /* leading underscore */
+#endif
+  '/',                         /* ar_pad_char */
+  15,                          /* ar_max_namelen */
+  1,                           /* minimum section alignment */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+  bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+     bfd_getb16, bfd_getb_signed_16, bfd_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
+ };