depmod.sh 1.5 KB

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  1. #!/bin/sh
  2. # SPDX-License-Identifier: GPL-2.0
  3. #
  4. # A depmod wrapper used by the toplevel Makefile
  5. if test $# -ne 2 -a $# -ne 3; then
  6. echo "Usage: $0 /sbin/depmod <kernelrelease> [System.map folder]" >&2
  7. exit 1
  8. fi
  9. DEPMOD=$1
  10. KERNELRELEASE=$2
  11. KBUILD_MIXED_TREE=$3
  12. if ! test -r ${KBUILD_MIXED_TREE}System.map ; then
  13. echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
  14. exit 0
  15. fi
  16. # legacy behavior: "depmod" in /sbin, no /sbin in PATH
  17. PATH="$PATH:/sbin"
  18. if [ -z $(command -v $DEPMOD) ]; then
  19. echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
  20. echo "This is probably in the kmod package." >&2
  21. exit 0
  22. fi
  23. # older versions of depmod require the version string to start with three
  24. # numbers, so we cheat with a symlink here
  25. depmod_hack_needed=true
  26. tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
  27. mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
  28. if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
  29. if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
  30. -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
  31. depmod_hack_needed=false
  32. fi
  33. fi
  34. rm -rf "$tmp_dir"
  35. if $depmod_hack_needed; then
  36. symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
  37. ln -s "$KERNELRELEASE" "$symlink"
  38. KERNELRELEASE=99.98.$KERNELRELEASE
  39. fi
  40. set -- -ae -F ${KBUILD_MIXED_TREE}System.map
  41. if test -n "$INSTALL_MOD_PATH"; then
  42. set -- "$@" -b "$INSTALL_MOD_PATH"
  43. fi
  44. "$DEPMOD" "$@" "$KERNELRELEASE"
  45. ret=$?
  46. if $depmod_hack_needed; then
  47. rm -f "$symlink"
  48. fi
  49. exit $ret