19990502 sourceware importbinu_ss_19990502

1 files changed, 176 insertions, 0 deletions

diff --git a/ld/emultempl/gld960.em b/ld/emultempl/gld960.em
new file mode 100644
index 00000000000..df998fb74a8
--- /dev/null
+++ b/ld/emultempl/gld960.em
@@ -0,0 +1,176 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* Copyright (C) 1991, 1993 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* 
+ * emulate the Intels port of  gld
+ */
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libiberty.h"
+#include "bfdlink.h"
+
+#include "ld.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+#include "ldmain.h"
+
+#ifdef GNU960
+
+static void
+gld960_before_parse()
+{
+  static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
+  char **p;
+  char *env ;
+
+  for ( p = env_variables; *p; p++ ){
+    env =  (char *) getenv(*p);
+    if (env) {
+      ldfile_add_library_path (concat (env,
+				       "/lib/libbout",
+				       (const char *) NULL),
+			       false);
+    }
+  }
+  ldfile_output_architecture = bfd_arch_i960;
+}
+
+#else	/* not GNU960 */
+
+static void gld960_before_parse()
+{
+  char *env ;
+  env =  getenv("G960LIB");
+  if (env) {
+    ldfile_add_library_path(env, false);
+  }
+  env = getenv("G960BASE");
+  if (env)
+    ldfile_add_library_path (concat (env, "/lib", (const char *) NULL), false);
+  ldfile_output_architecture = bfd_arch_i960;
+}
+
+#endif	/* GNU960 */
+
+
+static void
+gld960_set_output_arch()
+{
+  bfd_set_arch_mach(output_bfd, ldfile_output_architecture, bfd_mach_i960_core);
+}
+
+static char *
+gld960_choose_target()
+{
+#ifdef GNU960
+
+  output_filename = "b.out";
+  return bfd_make_targ_name(BFD_BOUT_FORMAT, 0);
+
+#else
+
+  char *from_outside = getenv(TARGET_ENVIRON);
+  output_filename = "b.out";
+
+  if (from_outside != (char *)NULL)
+    return from_outside;
+
+  return "b.out.little";
+
+#endif
+}
+
+static char *
+gld960_get_script(isfile)
+     int *isfile;
+EOF
+
+if test -n "$COMPILE_IN"
+then
+# Scripts compiled in.
+
+# sed commands to quote an ld script as a C string.
+sc='s/["\\]/\\&/g
+s/$/\\n\\/
+1s/^/"/
+$s/$/n"/
+'
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{			     
+  *isfile = 0;
+
+  if (link_info.relocateable == true && config.build_constructors == true)
+    return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
+  else if (link_info.relocateable == true)
+    return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
+  else if (!config.text_read_only)
+    return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
+  else if (!config.magic_demand_paged)
+    return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
+  else
+    return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
+}
+EOF
+
+else
+# Scripts read from the filesystem.
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{			     
+  *isfile = 1;
+
+  if (link_info.relocateable == true && config.build_constructors == true)
+    return "ldscripts/${EMULATION_NAME}.xu";
+  else if (link_info.relocateable == true)
+    return "ldscripts/${EMULATION_NAME}.xr";
+  else if (!config.text_read_only)
+    return "ldscripts/${EMULATION_NAME}.xbn";
+  else if (!config.magic_demand_paged)
+    return "ldscripts/${EMULATION_NAME}.xn";
+  else
+    return "ldscripts/${EMULATION_NAME}.x";
+}
+EOF
+
+fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+
+struct ld_emulation_xfer_struct ld_gld960_emulation = 
+{
+  gld960_before_parse,
+  syslib_default,
+  hll_default,
+  after_parse_default,
+  after_open_default,
+  after_allocation_default,
+  gld960_set_output_arch,
+  gld960_choose_target,
+  before_allocation_default,
+  gld960_get_script,
+  "960",
+  ""
+};
+EOF