* embedspu.sh: New file.

	* Makefile.am (embedspu): Add rule.
	* configure.in (BUILD_MISC): Add embedspu for powerpc-linux.
	* Makefile.in: Regenerate.
	* configure: Regenerate.

6 files changed, 212 insertions, 6 deletions

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index f5d49e452b..679da1c486 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,5 +1,13 @@
 2007-01-11  Alan Modra  <amodra@bigpond.net.au>
 
+	* embedspu.sh: New file.
+	* Makefile.am (embedspu): Add rule.
+	* configure.in (BUILD_MISC): Add embedspu for powerpc-linux.
+	* Makefile.in: Regenerate.
+	* configure: Regenerate.
+
+2007-01-11  Alan Modra  <amodra@bigpond.net.au>
+
 	* bucomm.h (make_tempdir): Declare independently of HAVE_MKDTEMP.
 	* bucomm.c (template_in_dir): New function, split out from..
 	(make_tempname): ..here.  Open the file with O_EXCL if !HAVE_MKSTEMP.
diff --git a/binutils/Makefile.am b/binutils/Makefile.am
index 5aaf72fd92..298908303e 100644
--- a/binutils/Makefile.am
+++ b/binutils/Makefile.am
@@ -277,6 +277,10 @@ sysinfo.o:
 	  $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS) $(srcdir)/sysinfo.c -Wno-error ; \
 	fi
 
+embedspu: embedspu.sh
+	sed "s@^program_transform_name=@program_transform_name=$(program_transform_name)@" < $< > $@
+	chmod a+x $@
+
 # We need these for parallel make.
 arparse.h: arparse.c
 defparse.h: defparse.c
diff --git a/binutils/Makefile.in b/binutils/Makefile.in
index cc70931f1e..02d568bced 100644
--- a/binutils/Makefile.in
+++ b/binutils/Makefile.in
@@ -237,7 +237,6 @@ GENCAT = @GENCAT@
 GENINSRC_NEVER_FALSE = @GENINSRC_NEVER_FALSE@
 GENINSRC_NEVER_TRUE = @GENINSRC_NEVER_TRUE@
 GMSGFMT = @GMSGFMT@
-GREP = @GREP@
 HDEFINES = @HDEFINES@
 INCINTL = @INCINTL@
 INSTALL_DATA = @INSTALL_DATA@
@@ -284,8 +283,9 @@ VERSION = @VERSION@
 WARN_CFLAGS = @WARN_CFLAGS@
 XGETTEXT = @XGETTEXT@
 YACC = `if [ -f ../bison/bison ]; then echo ../bison/bison -y -L$(srcdir)/../bison/; else echo @YACC@; fi`
-YFLAGS = -d
 ac_ct_CC = @ac_ct_CC@
+ac_ct_RANLIB = @ac_ct_RANLIB@
+ac_ct_STRIP = @ac_ct_STRIP@
 am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
 am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
 am__include = @am__include@
@@ -302,7 +302,6 @@ build_vendor = @build_vendor@
 datadir = @datadir@
 datarootdir = @datarootdir@
 docdir = @docdir@
-dvidir = @dvidir@
 exec_prefix = @exec_prefix@
 host = @host@
 host_alias = @host_alias@
@@ -315,15 +314,12 @@ infodir = @infodir@
 install_sh = @install_sh@
 libdir = @libdir@
 libexecdir = @libexecdir@
-localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
-pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
-psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 sysconfdir = @sysconfdir@
@@ -335,6 +331,7 @@ target_vendor = @target_vendor@
 AUTOMAKE_OPTIONS = cygnus dejagnu
 SUBDIRS = doc po
 tooldir = $(exec_prefix)/$(target_alias)
+YFLAGS = -d
 AM_CFLAGS = $(WARN_CFLAGS)
 
 # these two are almost the same program
@@ -1033,6 +1030,10 @@ sysinfo.o:
 	  $(CC_FOR_BUILD) -c -I. $(AM_CFLAGS) $(CFLAGS) $(srcdir)/sysinfo.c -Wno-error ; \
 	fi
 
+embedspu: embedspu.sh
+	sed "s@^program_transform_name=@program_transform_name=$(program_transform_name)@" < $< > $@
+	chmod a+x $@
+
 # We need these for parallel make.
 arparse.h: arparse.c
 defparse.h: defparse.c
diff --git a/binutils/configure b/binutils/configure
index fd0d32b0d9..30ff85862b 100755
--- a/binutils/configure
+++ b/binutils/configure
@@ -8679,6 +8679,9 @@ do
 	  DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
 	  BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 	  ;;
+	powerpc*-*-linux* | powerpc*-*-elf*)
+	  BUILD_MISC=embedspu
+	  ;;
 	sh*-*-pe)
   	  BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 	  DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_SH"
diff --git a/binutils/configure.in b/binutils/configure.in
index 40369530a0..383dbcdae1 100644
--- a/binutils/configure.in
+++ b/binutils/configure.in
@@ -296,6 +296,9 @@ changequote([,])dnl
 	  DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_PPC"
 	  BUILD_WINDRES='$(WINDRES_PROG)$(EXEEXT)'
 	  ;;
+	powerpc*-*-linux* | powerpc*-*-elf*)
+	  BUILD_MISC=embedspu
+	  ;;
 	sh*-*-pe)
   	  BUILD_DLLTOOL='$(DLLTOOL_PROG)$(EXEEXT)'
 	  DLLTOOL_DEFS="$DLLTOOL_DEFS -DDLLTOOL_SH"
diff --git a/binutils/embedspu.sh b/binutils/embedspu.sh
new file mode 100644
index 0000000000..b3f8a89ab1
--- /dev/null
+++ b/binutils/embedspu.sh
@@ -0,0 +1,187 @@
+#! /bin/sh 
+# Embed an SPU ELF executable into a PowerPC object file.
+#
+# Copyright 2006 Free Software Foundation, Inc.
+#
+# This file is part of GNU Binutils.
+#
+# 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., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+usage ()
+{
+  echo "Usage: embedspu [flags] symbol_name input_filename output_filename"
+  echo
+  echo "        input_filename:  SPU ELF executable to be embedded"
+  echo "        output_filename: Resulting PowerPC object file"
+  echo "        symbol_name:     Name of program handle struct to be defined"
+  echo "        flags:           GCC flags defining PowerPC object file format"
+  echo "                         (e.g. -m32 or -m64)"
+  exit 1
+}
+
+program_transform_name=
+mydir=`dirname "$0"`
+
+find_prog ()
+{
+  prog=`echo $1 | sed "$program_transform_name"`
+  which $prog > /dev/null 2> /dev/null && return 0
+  prog="$mydir/$prog"
+  test -x "$prog" && return 0
+  prog="$mydir/$1"
+  test -x "$prog" && return 0
+  prog=`echo $1 | sed "$program_transform_name"`
+  return 1
+}
+
+SYMBOL=
+INFILE=
+OUTFILE=
+FLAGS=
+
+parse_args ()
+{
+  while test -n "$1"; do
+    case "$1" in
+      -*) FLAGS="${FLAGS} $1" ;;
+      *)  if test -z "$SYMBOL"; then
+	    SYMBOL="$1"
+	  elif test -z "$INFILE"; then
+	    INFILE="$1"
+	  elif test -z "$OUTFILE"; then
+	    OUTFILE="$1"
+	  else
+	    echo "Too many arguments!"
+	    usage
+	  fi ;;
+    esac
+    shift
+  done
+  if test -z "$OUTFILE"; then
+    usage
+  fi
+  if test ! -r "$INFILE"; then
+    echo "${INFILE}: File not found"
+    usage
+  fi
+}
+
+main ()
+{
+  parse_args "$@"
+
+  # Find a powerpc gcc.  Support running from a combined tree build.
+  if test -x "$mydir/../gcc/xgcc"; then
+    CC="$mydir/../gcc/xgcc -B$mydir/../gcc/"
+  else
+    find_prog gcc
+    if test $? -ne 0; then
+      echo "Cannot find $prog"
+      exit 1
+    fi
+    CC="$prog"
+  fi
+
+  # Find readelf.  Any old readelf should do.  We only want to read syms.
+  find_prog readelf
+  if test $? -ne 0; then
+    if which readelf > /dev/null 2> /dev/null; then
+      prog=readelf
+    else
+      echo "Cannot find $prog"
+      exit 1
+    fi
+  fi
+  READELF="$prog"
+
+  # Sanity check the input file
+  if ! ${READELF} -h ${INFILE} | grep 'Class:.*ELF32' >/dev/null 2>/dev/null \
+     || ! ${READELF} -h ${INFILE} | grep 'Type:.*EXEC' >/dev/null 2>/dev/null \
+     || ! ${READELF} -h ${INFILE} | egrep 'Machine:.*(SPU|17)' >/dev/null 2>/dev/null
+  then
+    echo "${INFILE}: Does not appear to be an SPU executable"
+    exit 1
+  fi
+
+  # Build embedded SPU image.
+  # 1. The whole SPU ELF file is written to .rodata.speelf
+  # 2. Symbols starting with the string "_EAR_" in the SPU ELF image are
+  #    special.  They allow an SPU program to access corresponding symbols
+  #    (ie. minus the _EAR_ prefix), in the PowerPC program.  _EAR_ without
+  #    a suffix is used to refer to the addrress of the SPU image in
+  #    PowerPC address space.  _EAR_* symbols must all be defined in one
+  #    section at 16 byte intervals.
+  #    Find all _EAR_ symbols using readelf, sort by address, and write
+  #    the address of the corresponding PowerPC symbol in a table built
+  #    in .data.spetoe.
+  # 3. Write a struct spe_program_handle to .data.
+  ${CC} ${FLAGS} -x assembler-with-cpp -nostartfiles -nostdlib \
+	-Wa,-mbig -Wl,-r -Wl,-x -o ${OUTFILE} - <<EOF
+ .section .rodata.speelf,"a",@progbits
+ .p2align 7
+__speelf__:
+ .incbin "${INFILE}"
+
+ .section .data.spetoe,"aw",@progbits
+ .p2align 7
+__spetoe__:
+`${READELF} -s ${INFILE} | grep ' _EAR_' | sort -k 2 | awk \
+'BEGIN { \
+  last_addr = 0; \
+  last_sym = ""; \
+} \
+last_addr != 0 && strtonum("0x" $2) != last_addr + 16 { \
+	print "#error Symbols " last_sym " and " $8 " are not 16 bytes apart!"; \
+} \
+{ last_addr = strtonum("0x" $2); \
+  last_sym = $8; \
+} \
+$8 == "_EAR_" { \
+	print "#ifdef _LP64"; \
+	print " .quad __speelf__, 0"; \
+	print "#else"; \
+	print " .int 0, __speelf__, 0, 0"; \
+	print "#endif"; \
+} \
+$8 != "_EAR_" { \
+	print "#ifdef _LP64"; \
+	print " .quad " substr($8, 6) ", 0"; \
+	print "#else"; \
+	print " .int 0, " substr($8, 6) ", 0, 0"; \
+	print "#endif"; \
+}'`
+
+ .section .data,"aw",@progbits
+ .globl ${SYMBOL}
+# fill in a struct spe_program_handle
+#ifdef _LP64
+ .p2align 3
+${SYMBOL}:
+ .int 24
+ .int 0
+ .quad __speelf__
+ .quad __spetoe__
+#else
+ .p2align 2
+${SYMBOL}:
+ .int 12
+ .int __speelf__
+ .int __spetoe__
+#endif
+EOF
+}
+
+main "$@"