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Diffstat (limited to 'binutils-2.24/binutils/embedspu.sh')
| -rw-r--r-- | binutils-2.24/binutils/embedspu.sh | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/binutils-2.24/binutils/embedspu.sh b/binutils-2.24/binutils/embedspu.sh deleted file mode 100644 index 8b19e766..00000000 --- a/binutils-2.24/binutils/embedspu.sh +++ /dev/null @@ -1,260 +0,0 @@ -#! /bin/sh -# Embed an SPU ELF executable into a PowerPC object file. -# -# Copyright 2006, 2007, 2008 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 3 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"` - prog="$mydir/$prog" - test -x "$prog" && return 0 - prog="$mydir/$1" - test -x "$prog" && return 0 - prog=`echo $1 | sed "$program_transform_name"` - which $prog > /dev/null 2> /dev/null && return 0 - 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. - 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 - - toe=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *\.toe *[PROGN]*BITS *\([0-9a-f]*\).*,\1 \2,p'` - toe_addr=`echo $toe | sed -n -e 's,.* ,,p'` - toe=`echo $toe | sed -n -e 's, .*,,p'` - has_ea=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *\._ea *PROGBITS.*,\1,p'` - # For loaded sections, pick off section number, address, and file offset - sections=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *\([0-9]*\)\] *[^ ]* *PROGBITS *\([0-9a-f]*\) *\([0-9a-f]*\).*,\1 \2 \3,p'` - sections=`echo ${sections}` - # For relocation sections, pick off file offset and info (points to - # section where relocs apply) - relas=`${READELF} -S ${INFILE} | sed -n -e 's, *\[ *[0-9]*\] *[^ ]* *RELA *[0-9a-f]* *0*\([0-9a-f][0-9a-f]*\).* \([0-9a-f][0-9a-f]*\) *[0-9a-f][0-9a-f]*$,\1 \2,p'` - relas=`echo ${relas}` - - # 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 .toe - # at 16 byte intervals, or they must be defined in other non-bss - # sections. - # Find all _EAR_ symbols in .toe using readelf, sort by address, and - # write the address of the corresponding PowerPC symbol in a table - # built in .data.spetoe. For _EAR_ symbols not in .toe, create - # .reloc commands to relocate their location directly. - # 3. Look for R_SPU_PPU32 and R_SPU_PPU64 relocations in the SPU ELF image - # and create .reloc commands for them. - # 4. Write a struct spe_program_handle to .data. - # 5. Write a table of _SPUEAR_ symbols. - ${CC} ${FLAGS} -x assembler-with-cpp -nostartfiles -nostdlib \ - -Wa,-mbig -Wa,-noexecstack -Wl,-r -Wl,-x -o ${OUTFILE} - <<EOF - .section .data.spetoe,"aw",@progbits - .p2align 7 -__spetoe__: -`${READELF} -s -W ${INFILE} | grep ' _EAR_' | sort -k 2 | awk \ -'BEGIN { \ - addr = strtonum ("0x" "'${toe_addr:-0}'"); \ - split ("'"${sections}"'", s, " "); \ - for (i = 1; i in s; i += 3) { \ - sec_off[s[i]] = strtonum ("0x" s[i+2]) - strtonum ("0x" s[i+1]); \ - } \ -} \ -$7 == "'${toe}'" && strtonum ("0x" $2) != addr { \ - print "#error Symbol " $8 " not in 16 byte element toe array!"; \ -} \ -$7 == "'${toe}'" { \ - addr = addr + 16; \ -} \ -$7 == "'${toe}'" { \ - print "#ifdef _LP64"; \ - print " .quad " ($8 == "_EAR_" ? "__speelf__" : substr($8, 6)) ", 0"; \ - print "#else"; \ - print " .int 0, " ($8 == "_EAR_" ? "__speelf__" : substr($8, 6)) ", 0, 0"; \ - print "#endif"; \ -} \ -$7 != "'${toe}'" && $7 in sec_off { \ - print "#ifdef _LP64"; \ - print " .reloc __speelf__+" strtonum ("0x" $2) + sec_off[$7] ", R_PPC64_ADDR64, " ($8 == "_EAR_" ? "__speelf__" : substr($8, 6)); \ - print "#else"; \ - print " .reloc __speelf__+" strtonum ("0x" $2) + sec_off[$7] + 4 ", R_PPC_ADDR32, " ($8 == "_EAR_" ? "__speelf__" : substr($8, 6)); \ - print "#endif"; \ - if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \ -} \ -$7 != "'${toe}'" && ! $7 in sec_off { \ - print "#error Section not found for " $8; \ -} \ -'` -`test -z "${relas}" || ${READELF} -r -W ${INFILE} | awk \ -'BEGIN { \ - split ("'"${sections}"'", s, " "); \ - for (i = 1; i in s; i += 3) { \ - sec_off[s[i]] = strtonum ("0x" s[i+2]) - strtonum ("0x" s[i+1]); \ - } \ - split ("'"${relas}"'", s, " "); \ - for (i = 1; i in s; i += 2) { \ - rela[s[i]] = strtonum (s[i+1]); \ - } \ -} \ -/^Relocation section/ { \ - sec = substr($6, 3); \ -} \ -$3 ~ /R_SPU_PPU/ { \ - print "#ifdef _LP64"; \ - print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] ", R_PPC64_ADDR" substr($3, 10) ", " ($5 != "" ? $5 "+0x" $7 : "__speelf__ + 0x" $4); \ - print "#else"; \ - print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + (substr($3, 10) == "64" ? 4 : 0)", R_PPC_ADDR32, " ($5 != "" ? $5 "+0x" $7 : "__speelf__ + 0x" $4); \ - print "#endif"; \ - if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \ -} \ -$3 ~ /unrecognized:/ { \ - print "#ifdef _LP64"; \ - print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] ", R_PPC64_ADDR" ($4 == "f" ? "64" : "32") ", " ($6 != "" ? $6 "+0x" $8 : "__speelf__ + 0x" $5); \ - print "#else"; \ - print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + ($4 == "f" ? 4 : 0)", R_PPC_ADDR32, " ($6 != "" ? $6 "+0x" $8 : "__speelf__ + 0x" $5); \ - print "#endif"; \ - if (!donedef) { print "#define HAS_RELOCS 1"; donedef = 1; }; \ -} \ -'` -#if ${has_ea:-0} - .section .data.speelf,"aw",@progbits -#elif defined (HAS_RELOCS) && (defined (__PIC__) || defined (__PIE__)) - .section .data.rel.ro.speelf,"a",@progbits -#else - .section .rodata.speelf,"a",@progbits -#endif - .p2align 7 -__speelf__: - .incbin "${INFILE}" - - .section .data.spehandle,"aw",@progbits - .globl ${SYMBOL} - .type ${SYMBOL}, @object -# fill in a struct spe_program_handle -#ifdef _LP64 - .p2align 3 -${SYMBOL}: - .int 24 - .int 0 - .quad __speelf__ - .quad __spetoe__ -#else - .p2align 2 -${SYMBOL}: - .int 12 - .int __speelf__ - .int __spetoe__ -#endif - .size ${SYMBOL}, . - ${SYMBOL} - -`${READELF} -s -W ${INFILE} | grep ' _SPUEAR_' | sort -k 2 | awk \ -'{ \ - print " .globl '${SYMBOL}'_" substr($8, 9); \ - print " .type '${SYMBOL}'_" substr($8, 9) ", @object"; \ - print " .size '${SYMBOL}'_" substr($8, 9) ", 4"; \ - print "'${SYMBOL}'_" substr($8, 9) ":"; \ - print " .int 0x" $2; \ -} \ -'` -EOF -} - -main "$@" |