-#! /bin/sh
+#! /bin/sh
# Embed an SPU ELF executable into a PowerPC object file.
#
-# Copyright 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 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
+# 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,
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"`
+ which $prog > /dev/null 2> /dev/null && return 0
return 1
}
CC="$prog"
fi
- # Find readelf. Any old readelf should do. We only want to read syms.
+ # Find readelf. Any old readelf should do.
find_prog readelf
if test $? -ne 0; then
if which readelf > /dev/null 2> /dev/null; then
toe=`${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
# 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 _EAE_ symbols not in .toe, create
+ # built in .data.spetoe. For _EAR_ symbols not in .toe, create
# .reloc commands to relocate their location directly.
- # 3. Write a struct spe_program_handle to .data.
- # 4. Write a table of _SPUEAR_ symbols.
+ # 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 -Wl,-r -Wl,-x -o ${OUTFILE} - <<EOF
- .section .rodata.speelf,"a",@progbits
- .p2align 7
-__speelf__:
- .incbin "${INFILE}"
-
+ -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}'"); \
+ 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]); \
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,"aw",@progbits
+ .section .data.spehandle,"aw",@progbits
.globl ${SYMBOL}
.type ${SYMBOL}, @object
# fill in a struct spe_program_handle
print " .type '${SYMBOL}'_" substr($8, 9) ", @object"; \
print " .size '${SYMBOL}'_" substr($8, 9) ", 4"; \
print "'${SYMBOL}'_" substr($8, 9) ":"; \
- print " .int " $2; \
+ print " .int 0x" $2; \
} \
'`
EOF
projects / deliverable / binutils-gdb.git / blobdiff