* i386dynix.c, config/i386-dynix.mt: New files, handling Dynix

	variant of a.out.
	* configure.in, config.bfd:  Use them for Dynix.
	* Makefile.in:  Add dependencies for i386dynix.o.
	* targets.c:  Add definition for i386dynix_vec.

diff --git a/bfd/.Sanitize b/bfd/.Sanitize
index bafe16992c4bce66cdccf73310122b2d75d51964..2b1cd910a9ce4e07e38964f94eeda94722f602fc 100644 (file)
--- a/bfd/.Sanitize
+++ b/bfd/.Sanitize
@@ -153,6 +153,7 @@ hppabsd-core.c
 hpux-core.c
 i386aout.c
 i386bsd.c
+i386dynix.c
 i386linux.c
 i386lynx.c
 i386mach3.c

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 690220514ab990ae7d16232ab10f6d4ea5138662..fa10bbe6cec4de0f521ddf6af501bbaa6ca946e1 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,15 @@
+Wed Mar 30 00:31:49 1994  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
+
+       * i386dynix.c, config/i386-dynix.mt:  New files, handling Dynix
+       variant of a.out.
+       * configure.in, config.bfd:  Use them for Dynix.
+       * Makefile.in:  Add dependencies for i386dynix.o. 
+       * targets.c:  Add definition for i386dynix_vec.
+       * hosts/symmetry.h:  Do not define TRAD_CORE_USER_OFFSET for Dynix.
+       Define HOST_DATA_START_ADDR and TRAD_UNIX_CORE_FILE_FAILING_SIGNAL
+       for Dynix. Remove inclusion of dynix3.h, Dynix bfd is now handled by
+       i386dynix.c
+
 Mon Mar 28 12:53:27 1994  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 
        * Makefile.in (BFD32_BACKENDS): Add coff-sparc.o.

diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index c55d60b64cc35697146295d185a5096bdfa75b8f..ddd20a26aa1f38d12d606c21307ed3e328805ffc 100644 (file)
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -229,7 +229,7 @@ CFILES = libbfd.c opncls.c bfd.c archive.c targets.c cache.c \
         coff-m88k.c coff-mips.c coff-sh.c trad-core.c cisco-core.c newsos3.c \
         i386aout.c i386linux.c netbsd386.c i386mach3.c i386os9k.c \
         bout.c aout-adobe.c coff-we32k.c \
-        i386bsd.c cpu-h8300.c cpu-i960.c cpu-sparc.c cpu-m68k.c \
+        i386bsd.c i386dynix.c cpu-h8300.c cpu-i960.c cpu-sparc.c cpu-m68k.c \
         cpu-m88k.c cpu-vax.c cpu-mips.c cpu-a29k.c cpu-i386.c cpu-powerpc.c \
         cpu-rs6000.c coff-h8300.c som.c cpu-hppa.c cpu-we32k.c reloc16.c \
         mipsbsd.c cpu-sh.c \
@@ -602,6 +602,9 @@ coff-we32k.o : coff-we32k.c $(INCDIR)/coff/we32k.h \
   $(INCDIR)/coff/internal.h libcoff.h coffcode.h coffswap.h
 i386bsd.o : i386bsd.c libaout.h aout-target.h $(INCDIR)/aout/aout64.h \
   $(INCDIR)/aout/stab_gnu.h $(INCDIR)/aout/stab.def $(INCDIR)/aout/ar.h
+i386dynix.o : i386dynix.c libaout.h aout-target.h $(INCDIR)/aout/aout64.h \
+  $(INCDIR)/aout/dynix3.h $(INCDIR)/aout/stab_gnu.h $(INCDIR)/aout/stab.def \
+  $(INCDIR)/aout/ar.h
 cpu-h8300.o : cpu-h8300.c
 cpu-i960.o : cpu-i960.c
 cpu-sparc.o : cpu-sparc.c

diff --git a/bfd/config.bfd b/bfd/config.bfd
index 669cf9d724872ffa9e9e9b314df946450286909e..ca526827689c35277d8def921edb1108849308d2 100755 (executable)
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -35,6 +35,7 @@ case "${canon}" in
   i[34]86-*-sysv*)     bfd_name=i386-coff ;;
   i[34]86-*-isc*)      bfd_name=i386-coff ;;
   i[34]86-*-sco*)      bfd_name=i386-coff ;;
+  i[34]86-sequent-bsd*)        bfd_name=i386-dynix ;;
   i[34]86-*-bsd*)      bfd_name=i386-bsd ;;
   i[34]86-*-coff)      bfd_name=i386-coff ;;
   i[34]86-*-aix*)      bfd_name=i386-coff ;;

diff --git a/bfd/i386dynix.c b/bfd/i386dynix.c
new file mode 100644 (file)
index 0000000..a27c517
--- /dev/null
+++ b/bfd/i386dynix.c
@@ -0,0 +1,76 @@
+/* BFD back-end for i386 a.out binaries under dynix.
+   Copyright (C) 1994 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.  */
+
+/* This BFD is currently only tested with gdb, writing object files
+   may not work.  */
+
+#define BYTES_IN_WORD  4
+#define ARCH   32
+
+#define TEXT_START_ADDR 4096
+#define PAGE_SIZE      4096
+#define SEGMENT_SIZE   PAGE_SIZE
+
+#include "aout/dynix3.h"
+
+#define DEFAULT_ARCH   bfd_arch_i386
+#define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
+
+#define MY(OP) CAT(i386dynix_,OP)
+#define TARGETNAME "a.out-i386-dynix"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libaout.h"
+
+/* (Ab)use some fields in the internal exec header to be able to read
+   executables that contain shared data.  */
+
+#define a_shdata a_tload
+#define a_shdrsize a_dload
+#define aout_32_swap_exec_header_in dynix_swap_exec_header_in
+
+void
+dynix_swap_exec_header_in (abfd, raw_bytes, execp)
+     bfd *abfd;
+     struct external_exec *raw_bytes;
+     struct internal_exec *execp;
+{
+  struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+  /* The internal_exec structure has some fields that are unused in this
+     configuration (IE for i960), so ensure that all such uninitialized
+     fields are zero'd out.  There are places where two of these structs
+     are memcmp'd, and thus the contents do matter. */
+  memset ((PTR) execp, 0, sizeof (struct internal_exec));
+  /* Now fill in fields in the execp, from the bytes in the raw data.  */
+  execp->a_info   = bfd_h_get_32 (abfd, bytes->e_info);
+  execp->a_text   = GET_WORD (abfd, bytes->e_text);
+  execp->a_data   = GET_WORD (abfd, bytes->e_data);
+  execp->a_bss    = GET_WORD (abfd, bytes->e_bss);
+  execp->a_syms   = GET_WORD (abfd, bytes->e_syms);
+  execp->a_entry  = GET_WORD (abfd, bytes->e_entry);
+  execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
+  execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
+  execp->a_shdata = GET_WORD (abfd, bytes->e_shdata);
+  execp->a_shdrsize = GET_WORD (abfd, bytes->e_shdrsize);
+}
+
+#include "aout-target.h"

diff --git a/bfd/targets.c b/bfd/targets.c
index ddba2bf03073d1c5889f567c8a0e7a554c88a1c7..d9775fe9726b14da09f40366ca53bad0e4dd5a7a 100644 (file)
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -269,6 +269,9 @@ Standard stuff.
 .  boolean       (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR, 
 .                                            file_ptr, bfd_size_type));
 .  boolean       (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
+.  boolean       (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
+.                                                      bfd *, sec_ptr));
+.  boolean      (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
 
 Symbols and relocations.
 
@@ -288,6 +291,7 @@ Symbols and relocations.
 .                                      struct symbol_cache_entry *,
 .                                      symbol_info *));
 .#define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
+.  boolean      (*_bfd_is_local_label) PARAMS ((bfd *, asymbol *));
 
 .  alent *    (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
 .
@@ -315,7 +319,7 @@ Symbols and relocations.
 .                    struct symbol_cache_entry **));
 .
 .  boolean    (*_bfd_relax_section) PARAMS ((bfd *, struct sec *,
-.                    struct bfd_link_info *, struct symbol_cache_entry **));
+.                    struct bfd_link_info *, boolean *again));
 .
 . {* See documentation on reloc types.  *}
 . CONST struct reloc_howto_struct *
@@ -389,6 +393,7 @@ extern bfd_target hp300hpux_vec;
 extern bfd_target som_vec;
 extern bfd_target i386aout_vec;
 extern bfd_target i386bsd_vec;
+extern bfd_target i386dynix_vec;
 extern bfd_target i386os9k_vec;
 extern bfd_target netbsd386_vec;
 extern bfd_target i386coff_vec;
@@ -428,6 +433,7 @@ extern bfd_target symbolsrec_vec;
 
 /* All of the xvecs for core files.  */
 extern bfd_target aix386_core_vec;
+extern bfd_target cisco_core_vec;
 extern bfd_target hpux_core_vec;
 extern bfd_target hppabsd_core_vec;
 extern bfd_target irix_core_vec;
@@ -485,6 +491,9 @@ bfd_target *bfd_target_vector[] = {
        &bfd_elf64_sparc_vec,
 #endif
 /* end-sanitize-v9 */
+       /* We don't include cisco_core_vec.  Although it has a magic number,
+          the magic number isn't at the beginning of the file, and thus
+          might spuriously match other kinds of files.  */
 #ifdef BFD64
        &demo_64_vec,   /* Only compiled if host has long-long support */
 #endif