2024-09-09 08:52:07 +00:00
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#!/bin/sh
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#
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# A depmod wrapper used by the toplevel Makefile
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2024-09-09 08:57:42 +00:00
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if test $# -ne 3; then
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echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
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2024-09-09 08:52:07 +00:00
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exit 1
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fi
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DEPMOD=$1
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KERNELRELEASE=$2
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2024-09-09 08:57:42 +00:00
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SYMBOL_PREFIX=$3
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2024-09-09 08:52:07 +00:00
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if ! test -r System.map -a -x "$DEPMOD"; then
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exit 0
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fi
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2024-09-09 08:57:42 +00:00
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# older versions of depmod don't support -P <symbol-prefix>
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# support was added in module-init-tools 3.13
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if test -n "$SYMBOL_PREFIX"; then
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release=$("$DEPMOD" --version)
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package=$(echo "$release" | cut -d' ' -f 1)
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if test "$package" = "module-init-tools"; then
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version=$(echo "$release" | cut -d' ' -f 2)
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later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1)
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if test "$later" != "$version"; then
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# module-init-tools < 3.13, drop the symbol prefix
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SYMBOL_PREFIX=""
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fi
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fi
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if test -n "$SYMBOL_PREFIX"; then
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SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
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fi
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fi
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2024-09-09 08:52:07 +00:00
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# older versions of depmod require the version string to start with three
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# numbers, so we cheat with a symlink here
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depmod_hack_needed=true
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tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
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mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
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if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
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if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
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-e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
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depmod_hack_needed=false
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fi
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fi
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rm -rf "$tmp_dir"
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if $depmod_hack_needed; then
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symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
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ln -s "$KERNELRELEASE" "$symlink"
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KERNELRELEASE=99.98.$KERNELRELEASE
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fi
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set -- -ae -F System.map
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if test -n "$INSTALL_MOD_PATH"; then
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set -- "$@" -b "$INSTALL_MOD_PATH"
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fi
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2024-09-09 08:57:42 +00:00
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"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
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2024-09-09 08:52:07 +00:00
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ret=$?
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if $depmod_hack_needed; then
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rm -f "$symlink"
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fi
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exit $ret
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