X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=binutils%2Fembedspu.sh;h=6a0fbea3d1df644d43068b58d9a36b95e09f78f9;hb=612f258a491539f36c618030cc558e83e7d58b4e;hp=86535b49b7fffc1d13525a635a5a5ba0c7ac277e;hpb=41160f02e6e2806cb3436954afc7e1c332e6fc50;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/embedspu.sh b/binutils/embedspu.sh index 86535b49b7..6a0fbea3d1 100644 --- a/binutils/embedspu.sh +++ b/binutils/embedspu.sh @@ -1,13 +1,13 @@ -#! /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, @@ -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 $? -ne 0; then if which readelf > /dev/null 2> /dev/null; then @@ -116,56 +116,118 @@ main () exit 1 fi + toe=`${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 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. + # 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 -Wl,-r -Wl,-x -o ${OUTFILE} - <