19990502 sourceware importbinu_ss_19990502

1 files changed, 168 insertions, 0 deletions

diff --git a/ld/emultempl/armelf.em b/ld/emultempl/armelf.em
new file mode 100644
index 0000000..d9409f2
--- /dev/null
+++ b/ld/emultempl/armelf.em
@@ -0,0 +1,168 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* This file is is generated by a shell script.  DO NOT EDIT! */
+
+/* emulate the original gld for the given ${EMULATION_NAME}
+   Copyright (C) 1991, 93, 96, 97, 1998 Free Software Foundation, Inc.
+   Written by Steve Chamberlain steve@cygnus.com
+
+This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#define TARGET_IS_${EMULATION_NAME}
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "getopt.h"
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+
+#include "ldexp.h"
+#include "ldlang.h"
+
+static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
+static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+
+static void
+gld${EMULATION_NAME}_before_parse ()
+{
+#ifndef TARGET_			/* I.e., if not generic.  */
+  ldfile_set_output_arch ("`echo ${ARCH}`");
+#endif /* not TARGET_ */
+}
+
+/* This is called after the sections have been attached to output
+   sections, but before any sizes or addresses have been set.  */
+
+static void
+gld${EMULATION_NAME}_before_allocation ()
+{
+  /* we should be able to set the size of the interworking stub section */
+
+  /* Here we rummage through the found bfds to collect glue information */
+  /* FIXME: should this be based on a command line option? krk@cygnus.com */
+  {
+    LANG_FOR_EACH_INPUT_STATEMENT (is)
+      {
+	if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info))
+	  {
+	    /* xgettext:c-format */
+	    einfo (_("Errors encountered processing file %s"), is->filename);
+	  }
+      }
+  }
+
+  /* We have seen it all. Allocate it, and carry on */
+  bfd_elf32_arm_allocate_interworking_sections (& link_info);
+}
+
+static void
+gld${EMULATION_NAME}_after_open ()
+{
+
+  LANG_FOR_EACH_INPUT_STATEMENT (is)
+    {
+      /* The interworking bfd must be the last one to be processed */
+      if (!is->next)
+         bfd_elf32_arm_get_bfd_for_interworking (is->the_bfd, & link_info);
+    }
+}
+
+static char *
+gld${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="-f ${srcdir}/emultempl/stringify.sed"
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{			     
+  *isfile = 0;
+
+  if (link_info.relocateable == true && config.build_constructors == true)
+    return
+EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
+echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
+echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
+echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
+echo '  ; else return'                                     >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
+echo '; }'                                                 >> e${EMULATION_NAME}.c
+
+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${EMULATION_NAME}_before_parse,
+  syslib_default,
+  hll_default,
+  after_parse_default,
+  gld${EMULATION_NAME}_after_open,
+  after_allocation_default,
+  set_output_arch_default,
+  ldemul_default_target,
+  gld${EMULATION_NAME}_before_allocation,
+  gld${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 */
+  NULL,
+  NULL, /* unrecognised file */
+  NULL
+};
+EOF