19990502 sourceware importbinu_ss_19990502

1 files changed, 121 insertions, 0 deletions

diff --git a/bfd/pc532-mach.c b/bfd/pc532-mach.c
new file mode 100644
index 00000000000..73f4ac49e82
--- /dev/null
+++ b/bfd/pc532-mach.c
@@ -0,0 +1,121 @@
+/* BFD back-end for Mach3/532 a.out-ish binaries.
+   Copyright (C) 1990, 1991, 1992, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by Ian Dall
+ *            19-Apr-94
+ *
+ * Formerly part of aout-pc532-mach.c. Split out to allow more
+ * flexibility with multiple formats.
+ *
+ */
+/* This architecture has N_TXTOFF and N_TXTADDR defined as if
+ * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the
+ * space for the header. So we have N_HEADER_IN_TEXT defined to
+ * 1 and specially define our own N_TXTSIZE
+ */
+
+#define N_HEADER_IN_TEXT(x) 1
+#define N_TXTSIZE(x) ((x).a_text)
+
+
+#define TEXT_START_ADDR 0x10000       /* from old ld */
+#define TARGET_PAGE_SIZE 0x1000       /* from old ld,  032 & 532 are really 512/4k */
+
+/* Use a_entry of 0 to distinguish object files from OMAGIC executables */
+#define N_TXTADDR(x) \
+  (N_MAGIC(x) == OMAGIC ? \
+   ((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \
+   (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \
+    TEXT_START_ADDR + EXEC_BYTES_SIZE))
+
+#define	SEGMENT_SIZE	TARGET_PAGE_SIZE
+
+#define N_SHARED_LIB(x) 0
+#define SEGMENT_SIZE TARGET_PAGE_SIZE
+#define DEFAULT_ARCH bfd_arch_ns32k
+  
+#define MY(OP) CAT(pc532machaout_,OP)
+
+/* Must be the same as aout-ns32k.c */
+#define NAME(x,y) CAT3(ns32kaout,_32_,y)
+
+#define TARGETNAME "a.out-pc532-mach"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libaout.h"
+#include "libbfd.h"
+#include "aout/aout64.h"
+
+/* We can`t use the MYNS macro here for cpp reasons too subtle for me -- IWD */
+
+#define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup
+
+/* libaout doesn't use NAME for these ... */
+
+#define MY_get_section_contents aout_32_get_section_contents
+
+#define MY_text_includes_header 1
+
+#define MY_exec_header_not_counted 1
+     
+#define MYNSX(OP) CAT(ns32kaout_,OP)
+reloc_howto_type *
+MYNSX(bfd_reloc_type_lookup)
+  PARAMS((bfd *abfd AND
+	  bfd_reloc_code_real_type code));
+
+boolean
+MYNSX(write_object_contents)
+  PARAMS((bfd *abfd));
+
+static boolean
+MY(write_object_contents) (abfd)
+bfd *abfd;
+{
+  struct external_exec exec_bytes;
+  struct internal_exec *execp = exec_hdr (abfd);
+  
+#if CHOOSE_RELOC_SIZE
+  CHOOSE_RELOC_SIZE(abfd);
+#else
+  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+#endif
+  
+  BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k);
+  switch (bfd_get_mach (abfd))
+    {
+    case 32032:
+      N_SET_MACHTYPE (*execp, M_NS32032);
+      break;
+    case 32532:
+    default:
+      N_SET_MACHTYPE (*execp, M_NS32532);
+      break;
+    }
+  N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags);
+  
+  WRITE_HEADERS(abfd, execp);
+  
+  return true;
+}
+
+#define MY_write_object_contents MY(write_object_contents)
+
+#include "aout-target.h"