Initial revision

ld/ld-gld960.c

@@ -0,0 +1,189 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+
+This file is part of GLD, the Gnu Linker.
+
+GLD 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 1, or (at your option)
+any later version.
+
+GLD 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 GLD; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/*
+   $Id$ 
+
+   $Log$
+   Revision 1.1  1991/03/21 21:28:26  gumby
+   Initial revision
+
+ * Revision 1.3  1991/03/16  22:27:24  rich
+ * fish
+ *
+ * Revision 1.2  1991/03/15  18:45:55  rich
+ * foo
+ *
+ * Revision 1.1  1991/03/13  00:48:12  chrisb
+ * Initial revision
+ *
+ * Revision 1.4  1991/03/10  09:31:19  rich
+ *  Modified Files:
+ *  	Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
+ *  	ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
+ *  	ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
+ *  	ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
+ *  	ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
+ *
+ * As of this round of changes, ld now builds on all hosts of (Intel960)
+ * interest and copy passes my copy test on big endian hosts again.
+ *
+ * Revision 1.3  1991/02/22  17:14:57  sac
+ * Added RCS keywords and copyrights
+ *
+*/
+
+/* 
+ * emulate the Intels port of  gld
+ */
+
+
+#include "sysdep.h"
+#include "bfd.h"
+
+
+#include "ld.h"
+#include "config.h"
+#include "ld-emul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+
+/* IMPORTS */
+extern char *output_filename;
+extern  boolean lang_float_flag;
+
+
+extern enum bfd_architecture ldfile_output_architecture;
+extern unsigned long ldfile_output_machine;
+extern char *ldfile_output_machine_name;
+
+extern bfd *output_bfd;
+
+
+
+static void gld960_before_parse()
+{
+  char *env ;
+  env =  getenv("G960LIB");
+  if (env) {
+    ldfile_add_library_path(env);
+  }
+  env = getenv("G960BASE");
+  if (env) {
+    ldfile_add_library_path(concat(env,"/lib",""));
+  }
+  ldfile_output_architecture = bfd_arch_i960;
+}
+
+
+static void 
+gld960_after_parse()
+{
+
+}
+
+static void
+gld960_after_allocation()
+{
+
+}
+
+static void
+gld960_before_allocation()
+{
+
+}
+
+
+static void
+gld960_set_output_arch()
+{
+  /* Set the output architecture and machine if possible */
+  unsigned long  machine = 0;
+  bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
+}
+
+static char *
+gld960_choose_target()
+{
+  char *from_outside = getenv(TARGET_ENVIRON);
+  output_filename = "b.out";
+
+  if (from_outside != (char *)NULL)
+    return from_outside;
+  return GLD960_TARGET;
+}
+
+static void
+gld960_syslib()
+{
+  info("%S SYSLIB ignored\n");
+}
+
+static void
+gld960_hll()
+{
+  info("%S HLL ignored\n");
+}
+
+
+static char *script = "\
+ \
+SECTIONS \
+{ \
+  .text : \
+  { \
+   CREATE_OBJECT_SYMBOLS \
+    *(.text) \
+      _etext =.;\
+    }  \
+ \
+  .data  SIZEOF(.text) + ADDR(.text):\
+  { \
+ \
+    *(.data) \
+      _edata = .; \
+    }  \
+  .bss   SIZEOF(.data) + ADDR(.data) :    \
+  { _bss_start = .;\
+      *(.bss)	 \
+	[COMMON] \
+      _end = . ; \
+    } \
+} \
+";
+
+static char *
+gld960_get_script()
+{
+return script;
+}
+
+struct ld_emulation_xfer_struct ld_gld960_emulation = 
+{
+  gld960_before_parse,
+  gld960_syslib,
+  gld960_hll,
+  gld960_after_parse,
+  gld960_after_allocation,
+  gld960_set_output_arch,
+  gld960_choose_target,
+  gld960_before_allocation,
+  gld960_get_script,
+};