diff options
Diffstat (limited to 'scripts/gcc-plugins')
| -rw-r--r-- | scripts/gcc-plugins/Makefile | 15 | ||||
| -rwxr-xr-x | scripts/gcc-plugins/gen-random-seed.sh | 9 |
2 files changed, 10 insertions, 14 deletions
diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile index 1952d3bb80c6..148f4639cf09 100644 --- a/scripts/gcc-plugins/Makefile +++ b/scripts/gcc-plugins/Makefile @@ -1,12 +1,17 @@ # SPDX-License-Identifier: GPL-2.0 -$(obj)/randomize_layout_plugin.so: $(objtree)/$(obj)/randomize_layout_seed.h -quiet_cmd_create_randomize_layout_seed = GENSEED $@ +$(obj)/randomize_layout_plugin.so: $(obj)/randomize_layout_seed.h +quiet_cmd_create_randomize_layout_seed = SEEDHDR $@ cmd_create_randomize_layout_seed = \ - $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h -$(objtree)/$(obj)/randomize_layout_seed.h: FORCE + SEED=$$(cat $(filter-out FORCE,$^) </dev/null); \ + echo '/*' > $@; \ + echo ' * This file is automatically generated. Keep it private.' >> $@; \ + echo ' * Exposing this value will expose the layout of randomized structures.' >> $@; \ + echo ' */' >> $@; \ + echo "const char *randstruct_seed = \"$$SEED\";" >> $@ +$(obj)/randomize_layout_seed.h: $(objtree)/scripts/basic/randstruct.seed FORCE $(call if_changed,create_randomize_layout_seed) -targets += randomize_layout_seed.h randomize_layout_hash.h +targets += randomize_layout_seed.h # Build rules for plugins # diff --git a/scripts/gcc-plugins/gen-random-seed.sh b/scripts/gcc-plugins/gen-random-seed.sh deleted file mode 100755 index 68af5cc20a64..000000000000 --- a/scripts/gcc-plugins/gen-random-seed.sh +++ /dev/null @@ -1,9 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -if [ ! -f "$1" ]; then - SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` - echo "const char *randstruct_seed = \"$SEED\";" > "$1" - HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` - echo "#define RANDSTRUCT_HASHED_SEED \"$HASH\"" > "$2" -fi |