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4838543053
On ppc64, `nm` reports the exported symbols as 'D' instead of 'T'. This caused `make check` to fail. "D" The symbol is in the initialized data section. "T" The symbol is in the text (code) section.
56 lines
1.1 KiB
Bash
Executable file
56 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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LC_ALL=C
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export LC_ALL
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stat=0
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so="$1"
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def="$2"
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PATTERN="_ANCHOR_"
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TMPFILE="$(mktemp .nm-check-exports.XXXXXX)"
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get_syms() {
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nm "$1" |
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sed -n 's/^[[:xdigit:]]\+ [DT] //p' |
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sort
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}
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get_syms_from_def() {
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# be strict and only parse entries that start with one \t and end with a ';'
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sed -n 's/^\t\([_a-zA-Z0-9]\+\);$/\1/p' "$1" |
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grep '^\*$' -v |
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sort
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}
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anchor() {
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sed "s/.*/$PATTERN\0$PATTERN/"
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}
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unanchor() {
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sed "s/^$PATTERN\(.*\)$PATTERN\$/\1/"
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}
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get_syms "$so" | anchor > "$TMPFILE"
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WRONG="$(get_syms_from_def "$def" | anchor | grep -F -f - "$TMPFILE" -v)"
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RESULT=$?
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if [ $RESULT -eq 0 ]; then
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stat=1
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echo ">>library \"$so\" exports symbols that are not in linker script \"$def\":"
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echo "$WRONG" | unanchor | nl
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fi
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get_syms_from_def "$def" | anchor > "$TMPFILE"
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WRONG="$(get_syms "$so" | anchor | grep -F -f - "$TMPFILE" -v)"
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RESULT=$?
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if [ $RESULT -eq 0 ]; then
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stat=1
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echo ">>linker script \"$def\" contains symbols that are not exported by library \"$so\":"
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echo "$WRONG" | unanchor | nl
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fi
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rm -rf "$TMPFILE"
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exit $stat
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