| 1 | #!/bin/sh
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| 2 |
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| 3 | QMKSPEC=$1
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| 4 | VERBOSE=$2
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| 5 | SRCDIR=$3
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| 6 | OUTDIR=$4
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| 7 |
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| 8 | # debuggery
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| 9 | [ "$VERBOSE" = "yes" ] && echo "Determining floating point word-order... ($*)"
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| 10 |
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| 11 | # build and run a test program
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| 12 | test -d "$OUTDIR/config.tests/unix/doubleformat" || mkdir -p "$OUTDIR/config.tests/unix/doubleformat"
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| 13 | "$OUTDIR/bin/qmake" -nocache -spec "$QMKSPEC" "QT_BUILD_TREE=$OUTDIR" "$SRCDIR/config.tests/unix/doubleformat/doubleformattest.pro" -o "$OUTDIR/config.tests/unix/doubleformat/Makefile" >/dev/null 2>&1
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| 14 | cd "$OUTDIR/config.tests/unix/doubleformat"
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| 15 |
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| 16 | DOUBLEFORMAT="UNKNOWN"
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| 17 | [ "$VERBOSE" = "yes" ] && $MAKE || $MAKE >/dev/null 2>&1
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| 18 |
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| 19 | if [ -f ./doubleformattest ]; then
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| 20 | : # nop
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| 21 | else
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| 22 | [ "$VERBOSE" = "yes" ] && echo "Unknown floating point format!"
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| 23 | exit 2
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| 24 | fi
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| 25 |
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| 26 | # LE: strings | grep 0123ABCD0123ABCD
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| 27 | # BE: strings | grep DCBA3210DCBA3210
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| 28 | #
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| 29 | # LE arm-swapped-dword-order: strings | grep ABCD0123ABCD0123
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| 30 | # BE arm-swapped-dword-order: strings | grep 3210DCBA3210DCBA (untested)
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| 31 |
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| 32 |
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| 33 | if strings ./doubleformattest | grep "0123ABCD0123ABCD" >/dev/null 2>&1; then
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| 34 | [ "$VERBOSE" = "yes" ] && echo " Normal little endian format"
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| 35 | DOUBLEFORMAT="LITTLE"
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| 36 | elif strings ./doubleformattest | grep "ABCD0123ABCD0123" >/dev/null 2>&1; then
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| 37 | [ "$VERBOSE" = "yes" ] && echo " Swapped little endian format"
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| 38 | DOUBLEFORMAT="LITTLESWAPPED"
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| 39 | elif strings ./doubleformattest | grep "DCBA3210DCBA3210" >/dev/null 2>&1; then
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| 40 | [ "$VERBOSE" = "yes" ] && echo " Normal big endian format"
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| 41 | DOUBLEFORMAT="BIG"
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| 42 | elif strings ./doubleformattest | grep "3210DCBA3210DCBA" >/dev/null 2>&1; then
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| 43 | [ "$VERBOSE" = "yes" ] && echo " Swapped big endian format"
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| 44 | DOUBLEFORMAT="BIGSWAPPED"
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| 45 | fi
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| 46 |
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| 47 | # done
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| 48 | if [ "$DOUBLEFORMAT" = "LITTLE" ]; then
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| 49 | [ "$VERBOSE" = "yes" ] && echo "Using little endian."
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| 50 | exit 10
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| 51 | elif [ "$DOUBLEFORMAT" = "BIG" ]; then
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| 52 | [ "$VERBOSE" = "yes" ] && echo "Using big endian."
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| 53 | exit 11
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| 54 | elif [ "$DOUBLEFORMAT" = "LITTLESWAPPED" ]; then
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| 55 | [ "$VERBOSE" = "yes" ] && echo "Using swapped little endian."
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| 56 | exit 12
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| 57 | elif [ "$DOUBLEFORMAT" = "BIGSWAPPED" ]; then
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| 58 | [ "$VERBOSE" = "yes" ] && echo "Using swapped big endian."
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| 59 | exit 13
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| 60 | else
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| 61 | [ "$VERBOSE" = "yes" ] && echo "Unknown floating point format!"
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| 62 | exit 99
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| 63 | fi
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