diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.kasan | 11 | ||||
| -rw-r--r-- | scripts/coccinelle/api/atomic_as_refcounter.cocci | 1 | ||||
| -rwxr-xr-x | scripts/kernel-doc | 3 | ||||
| -rwxr-xr-x | scripts/tools-support-relr.sh | 16 |
4 files changed, 24 insertions, 7 deletions
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan index 6410bd22fe38..03757cc60e06 100644 --- a/scripts/Makefile.kasan +++ b/scripts/Makefile.kasan @@ -1,4 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 +ifdef CONFIG_KASAN +CFLAGS_KASAN_NOSANITIZE := -fno-builtin +KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET) +endif + ifdef CONFIG_KASAN_GENERIC ifdef CONFIG_KASAN_INLINE @@ -7,8 +12,6 @@ else call_threshold := 0 endif -KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET) - CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1))) @@ -45,7 +48,3 @@ CFLAGS_KASAN := -fsanitize=kernel-hwaddress \ $(instrumentation_flags) endif # CONFIG_KASAN_SW_TAGS - -ifdef CONFIG_KASAN -CFLAGS_KASAN_NOSANITIZE := -fno-builtin -endif diff --git a/scripts/coccinelle/api/atomic_as_refcounter.cocci b/scripts/coccinelle/api/atomic_as_refcounter.cocci index 988120e0fd67..0f78d94abc35 100644 --- a/scripts/coccinelle/api/atomic_as_refcounter.cocci +++ b/scripts/coccinelle/api/atomic_as_refcounter.cocci @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only // Check if refcount_t type and API should be used // instead of atomic_t type when dealing with refcounters // diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 6b03012750da..81dc91760b23 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1245,7 +1245,7 @@ sub dump_enum($$) { # strip #define macros inside enums $x =~ s@#\s*((define|ifdef)\s+|endif)[^;]*;@@gos; - if ($x =~ /enum\s+(\w+)\s*\{(.*)\}/) { + if ($x =~ /enum\s+(\w*)\s*\{(.*)\}/) { $declaration_name = $1; my $members = $2; my %_members; @@ -1580,6 +1580,7 @@ sub dump_function($$) { $prototype =~ s/__must_check +//; $prototype =~ s/__weak +//; $prototype =~ s/__sched +//; + $prototype =~ s/__printf\s*\(\s*\d*\s*,\s*\d*\s*\) +//; my $define = $prototype =~ s/^#\s*define\s+//; #ak added $prototype =~ s/__attribute__\s*\(\( (?: diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh new file mode 100755 index 000000000000..97a2c844a95e --- /dev/null +++ b/scripts/tools-support-relr.sh @@ -0,0 +1,16 @@ +#!/bin/sh -eu +# SPDX-License-Identifier: GPL-2.0 + +tmp_file=$(mktemp) +trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT + +cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1 +void *p = &p; +END +"$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file + +# Despite printing an error message, GNU nm still exits with exit code 0 if it +# sees a relr section. So we need to check that nothing is printed to stderr. +test -z "$("$NM" $tmp_file 2>&1 >/dev/null)" + +"$OBJCOPY" -O binary $tmp_file $tmp_file.bin |