diff options
Diffstat (limited to 'binutils')
-rw-r--r-- | binutils/ChangeLog | 6 | ||||
-rw-r--r-- | binutils/embedspu.sh | 44 |
2 files changed, 46 insertions, 4 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 8e68263b12a..f5f0b58faf5 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,9 @@ +2007-05-11 Alan Modra <amodra@bigpond.net.au> + + * embedspu.sh (find_prog): Prefer prog in same dir as embedspu + over one found on the users path. + (main): Generate .reloc for each R_SPU_PPU* reloc. + 2007-04-28 Alan Modra <amodra@bigpond.net.au> * prdbg.c (tg_variable): Adjust for changed demangler. diff --git a/binutils/embedspu.sh b/binutils/embedspu.sh index 3269ab86107..7a321589d1b 100644 --- a/binutils/embedspu.sh +++ b/binutils/embedspu.sh @@ -38,12 +38,12 @@ 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"` + which $prog > /dev/null 2> /dev/null && return 0 return 1 } @@ -95,7 +95,7 @@ main () CC="$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 $? -ne 0; then if which readelf > /dev/null 2> /dev/null; then @@ -119,8 +119,13 @@ main () toe=`${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 $toe | sed -n -e 's, .*,,p'` + # For loaded sections, pick off section number, address, and file offset sections=`${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 @@ -135,8 +140,10 @@ main () # write the address of the corresponding PowerPC symbol in a table # built in .data.spetoe. For _EAE_ 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 @@ -179,6 +186,35 @@ $7 != "'${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 "+0x" $7; \ + print "#else"; \ + print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + (substr($3, 10) == "64" ? 4 : 0)", R_PPC_ADDR32, " $5 "+0x" $7; \ + print "#endif"; \ +} \ +$3 ~ /unrecognized:/ { \ + print "#ifdef _LP64"; \ + print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] ", R_PPC64_ADDR" ($4 == "f" ? "64" : "32") ", " $6 "+0x" $8; \ + print "#else"; \ + print " .reloc __speelf__+" strtonum ("0x" $1) + sec_off[rela[sec]] + ($4 == "f" ? 4 : 0)", R_PPC_ADDR32, " $6 "+0x" $8; \ + print "#endif"; \ +} \ +'` .section .data,"aw",@progbits .globl ${SYMBOL} |