tic54x/ibmc54xdsp target for ld.

1 files changed, 199 insertions, 0 deletions

diff --git a/ld/emultempl/ticoff.em b/ld/emultempl/ticoff.em
new file mode 100644
index 0000000..21bd35d
--- /dev/null
+++ b/ld/emultempl/ticoff.em
@@ -0,0 +1,199 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+(echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
+cat >>e${EMULATION_NAME}.c <<EOF
+/* This file is part of GLD, the Gnu Linker.
+   Copyright 1999, 2000 Free Software Foundation, Inc.
+
+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.  */
+
+/* For TI COFF */
+/* Need to determine load and run pages for output sections */ 
+  
+#define TARGET_IS_${EMULATION_NAME}
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+#include "getopt.h"
+
+static int coff_version;
+
+static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
+static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
+static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
+static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
+
+/* TI COFF extra command line options */
+#define OPTION_COFF_FORMAT		(300 + 1)
+
+static struct option longopts[] = 
+{
+  /* TI COFF options */
+  {"format", required_argument, NULL, OPTION_COFF_FORMAT },
+  {NULL, no_argument, NULL, 0}
+};
+
+static void
+gld_${EMULATION_NAME}_list_options (file)
+    FILE * file;
+{
+  fprintf (file, _("  --format 0|1|2         Specify which COFF version to use"));
+}				  
+
+static int
+gld_${EMULATION_NAME}_parse_args(argc, argv)
+     int argc;
+     char **argv;
+{
+  int longind;
+  int optc;
+  int prevoptind = optind;
+  int prevopterr = opterr;
+  int wanterror;
+  static int lastoptind = -1;
+
+  if (lastoptind != optind)
+    opterr = 0;
+  wanterror = opterr;
+
+  lastoptind = optind;
+
+  optc = getopt_long_only (argc, argv, "-", longopts, &longind);
+  opterr = prevopterr;
+
+  switch (optc)
+    {
+    default:
+      if (wanterror)
+	xexit (1);
+      optind =  prevoptind;
+      return 0;
+
+    case OPTION_COFF_FORMAT:
+      if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
+          && optarg[1] == '\0')
+      {
+        extern void lang_add_output_format
+          PARAMS ((const char *, const char *, const char *, int));
+        static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
+        coff_version = *optarg - '0';
+        buf[4] = *optarg;
+	lang_add_output_format (buf, NULL, NULL, 0);	
+      }
+      else
+        {
+	  einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
+
+        }
+      break;
+    }
+  return 1;
+}
+
+static void
+gld_${EMULATION_NAME}_before_parse()
+{
+#ifndef TARGET_			/* I.e., if not generic.  */
+  ldfile_set_output_arch ("`echo ${ARCH}`");
+#endif /* not TARGET_ */
+}
+
+static char *
+gld_${EMULATION_NAME}_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_${EMULATION_NAME}_emulation = 
+{
+  gld_${EMULATION_NAME}_before_parse,
+  syslib_default,
+  hll_default,
+  after_parse_default,
+  after_open_default,
+  after_allocation_default,
+  set_output_arch_default,
+  ldemul_default_target,
+  before_allocation_default,
+  gld_${EMULATION_NAME}_get_script,
+  "${EMULATION_NAME}",
+  "${OUTPUT_FORMAT}",
+  NULL, /* finish */
+  NULL, /* create output section statements */
+  NULL, /* open dynamic archive */
+  NULL, /* place orphan */
+  NULL, /* set_symbols */
+  gld_${EMULATION_NAME}_parse_args,
+  NULL, /* unrecognized_file */
+  gld_${EMULATION_NAME}_list_options,
+  NULL, /* recognized file */
+  NULL, /* find_potential_libraries */
+};
+EOF