* cc-with-index.sh: New file.
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2010-10-04 Doug Evans <dje@google.com>
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* cc-with-index.sh: New file.
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* dwarf2read.c (dw2_do_instantiate_symtab): Insert blank line after
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function comment.
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(dw2_instantiate_symtab, dw2_get_cu, extract_cu_value): Ditto.
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@ -0,0 +1,122 @@
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#! /bin/sh
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# Wrapper around gcc to add the .gdb_index section when running the testsuite.
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# Copyright (C) 2010 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This program requires gdb and objcopy in addition to gcc.
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# The default values are gdb from the build tree and objdump from $PATH.
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# They may be overridden by setting environment variables GDB and OBJDUMP
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# respectively.
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# We assume the current directory is either $obj/gdb or $obj/gdb/testsuite.
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#
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# Example usage:
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#
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# bash$ cd $objdir/gdb/testsuite
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# bash$ runtest \
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# CC_FOR_TARGET="/bin/sh $srcdir/cc-with-index.sh gcc" \
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# CXX_FOR_TARGET="/bin/sh $srcdir/cc-with-index.sh g++"
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#
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# For documentation on index files: info -f gdb.info -n "Index Files"
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myname=cc-with-index.sh
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if [ -z "$GDB" ]
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then
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if [ -f ./gdb ]
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then
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GDB="./gdb"
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elif [ -f ../gdb ]
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then
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GDB="../gdb"
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else
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echo "$myname: unable to find usable gdb" >&2
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exit 1
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fi
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fi
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OBJCOPY=${OBJCOPY:-objcopy}
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have_link=unknown
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next_is_output_file=no
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for arg in "$@"
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do
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if [ "$next_is_output_file" = "yes" ]
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then
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output_file="$arg"
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next_is_output_file=no
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continue
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fi
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# Poor man's gcc argument parser.
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# We don't need to handle all arguments, we just need to know if we're
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# doing a link and what the output file is.
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# It's not perfect, but it seems to work well enough for the task at hand.
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case "$arg" in
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"-c") have_link=no ;;
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"-E") have_link=no ;;
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"-S") have_link=no ;;
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"-o") next_is_output_file=yes ;;
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esac
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done
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if [ "$next_is_output_file" = "yes" ]
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then
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echo "$myname: Unable to find output file" >&2
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exit 1
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fi
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if [ "$have_link" = "no" ]
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then
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"$@"
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exit $?
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fi
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index_file="${output_file}.gdb-index"
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if [ -f "$index_file" ]
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then
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echo "$myname: Index file $index_file exists, won't clobber." >&2
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exit 1
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fi
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output_dir="${output_file%/*}"
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[ "$output_dir" = "$output_file" ] && output_dir="."
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"$@"
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rc=$?
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[ $rc != 0 ] && exit $rc
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if [ ! -f "$output_file" ]
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then
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echo "$myname: Internal error: $output_file missing." >&2
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exit 1
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fi
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$GDB --batch-silent -nx -ex "file $output_file" -ex "save gdb-index $output_dir"
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rc=$?
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[ $rc != 0 ] && exit $rc
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# GDB might not always create an index. Cope.
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if [ -f "$index_file" ]
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then
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$OBJCOPY --add-section .gdb_index="$index_file" \
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--set-section-flags .gdb_index=readonly \
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"$output_file" "$output_file"
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rc=$?
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else
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rc=0
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fi
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rm -f "$index_file"
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exit $rc
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