927d6a5103
Instead of using the address difference between two neighboring symbols as an indication for the symbol's size, import the size as reported by `nm -S'. Additionally, this change fixes an off-by-one, which had the effect that the last symbol in the list was not imported at all. Change-Id: I3c8e139b788018702526bb968e36d248dc3fe8fc
87 lines
2.1 KiB
Bash
Executable File
87 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# TODO: make this part of import-trace
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set -e
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# handle command line arguments
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if [ ! $# -eq 4 ]; then
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echo "usage: $0 DATABASE VARIANT BENCHMARK ELF" >&2
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exit 1
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fi
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DATABASE=$1
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VARIANT=$2
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BENCHMARK=$3
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ELF=$4
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TABLE=symbol
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MYSQL="mysql -B --quick $DATABASE"
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# check if ELF exists
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if [ ! -e $ELF ]; then
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echo "$ELF not found" >&2
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exit 1
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fi
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echo "importing $VARIANT/$BENCHMARK symbols from $ELF ..."
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# get fail*'s variant_id
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ID=$(echo "SELECT id FROM variant WHERE variant='$VARIANT' AND benchmark='$BENCHMARK'" | $MYSQL -N)
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if [ -z $ID ]; then
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echo "no such variant/benchmark!" >&2
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exit 1
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fi
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# generate huge SQL statement and execute
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$MYSQL <<EOT
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CREATE TABLE IF NOT EXISTS $TABLE (
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variant_id INT NOT NULL,
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address INT UNSIGNED NOT NULL,
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size INT UNSIGNED NOT NULL,
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name VARCHAR(255) NOT NULL,
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PRIMARY KEY (variant_id, address)
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) ENGINE=MyISAM;
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EOT
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(
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# clean symbol table
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echo "DELETE FROM $TABLE WHERE variant_id = $ID;"
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LAST_ADDR=
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LAST_SYMBOL=
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# The "dummy" entry at the end makes sure the last real symbol from the
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# nm output makes it into the database.
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(nm -n -S -C $ELF; echo ffffffff a dummy) \
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| egrep '^[0-9a-fA-F]' | while read line
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do
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ADDR=$(echo "$line"|awk '{print $1}')
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SIZE=$(echo "$line"|awk '{print $2}')
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if echo $SIZE | egrep -q '^[0-9a-fA-F]{8}'; then
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SYMBOL=$(echo "$line"|awk '{for (i=1; i<=NF-3; i++) $i = $(i+3); NF-=3; print}')
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else
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SIZE=unknown
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SYMBOL=$(echo "$line"|awk '{for (i=1; i<=NF-2; i++) $i = $(i+2); NF-=2; print}')
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fi
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if [ $LAST_ADDR ]; then
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# only create INSERT-line, if $ADDR is new to us
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if [ ! $ADDR = $LAST_ADDR ]; then
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echo "INSERT INTO $TABLE (variant_id, address, size, name) VALUES "
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echo "($ID, cast(0x$LAST_ADDR AS UNSIGNED), CAST(0x$ADDR AS UNSIGNED)-CAST(0x$LAST_ADDR AS UNSIGNED), '$LAST_SYMBOL');"
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fi
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fi
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if [ $SIZE != unknown ]; then
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echo "INSERT INTO $TABLE (variant_id, address, size, name) VALUES "
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echo "($ID, cast(0x$ADDR AS UNSIGNED), CAST(0x$SIZE AS UNSIGNED), '$SYMBOL');"
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LAST_ADDR=
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LAST_SYMBOL=
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else
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LAST_ADDR=$ADDR
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LAST_SYMBOL=$SYMBOL
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fi
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done
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) | $MYSQL
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echo "ANALYZE TABLE $TABLE;" | $MYSQL
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