linux/tools/perf/check-headers.sh
Arnaldo Carvalho de Melo 87a682a7c4 perf build: Ignore intentional differences for the x86 insn decoder
Since we need to build this in !x86, we need to explicitely use the x86
files, not things like asm/insn.h, so we intentionally differ from the
master copy in the kernel sources, add -I diff directives to ignore just
these differences when checking for drift.

Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/n/tip-9qziqjjt120mmz6kyepka9p7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-31 22:27:52 -03:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
FILES='
include/uapi/linux/const.h
include/uapi/drm/drm.h
include/uapi/drm/i915_drm.h
include/uapi/linux/fadvise.h
include/uapi/linux/fcntl.h
include/uapi/linux/fs.h
include/uapi/linux/kcmp.h
include/uapi/linux/kvm.h
include/uapi/linux/in.h
include/uapi/linux/mount.h
include/uapi/linux/perf_event.h
include/uapi/linux/prctl.h
include/uapi/linux/sched.h
include/uapi/linux/stat.h
include/uapi/linux/usbdevice_fs.h
include/uapi/linux/vhost.h
include/uapi/sound/asound.h
include/linux/bits.h
include/linux/const.h
include/linux/hash.h
include/uapi/linux/hw_breakpoint.h
arch/x86/include/asm/disabled-features.h
arch/x86/include/asm/required-features.h
arch/x86/include/asm/cpufeatures.h
arch/x86/include/asm/inat_types.h
arch/x86/include/uapi/asm/prctl.h
arch/x86/lib/x86-opcode-map.txt
arch/x86/tools/gen-insn-attr-x86.awk
arch/arm/include/uapi/asm/perf_regs.h
arch/arm64/include/uapi/asm/perf_regs.h
arch/powerpc/include/uapi/asm/perf_regs.h
arch/s390/include/uapi/asm/perf_regs.h
arch/x86/include/uapi/asm/perf_regs.h
arch/x86/include/uapi/asm/kvm.h
arch/x86/include/uapi/asm/kvm_perf.h
arch/x86/include/uapi/asm/svm.h
arch/x86/include/uapi/asm/unistd.h
arch/x86/include/uapi/asm/vmx.h
arch/powerpc/include/uapi/asm/kvm.h
arch/s390/include/uapi/asm/kvm.h
arch/s390/include/uapi/asm/kvm_perf.h
arch/s390/include/uapi/asm/ptrace.h
arch/s390/include/uapi/asm/sie.h
arch/arm/include/uapi/asm/kvm.h
arch/arm64/include/uapi/asm/kvm.h
arch/arm64/include/uapi/asm/unistd.h
arch/alpha/include/uapi/asm/errno.h
arch/mips/include/asm/errno.h
arch/mips/include/uapi/asm/errno.h
arch/parisc/include/uapi/asm/errno.h
arch/powerpc/include/uapi/asm/errno.h
arch/sparc/include/uapi/asm/errno.h
arch/x86/include/uapi/asm/errno.h
include/asm-generic/bitops/arch_hweight.h
include/asm-generic/bitops/const_hweight.h
include/asm-generic/bitops/__fls.h
include/asm-generic/bitops/fls.h
include/asm-generic/bitops/fls64.h
include/linux/coresight-pmu.h
include/uapi/asm-generic/errno.h
include/uapi/asm-generic/errno-base.h
include/uapi/asm-generic/ioctls.h
include/uapi/asm-generic/mman-common.h
include/uapi/asm-generic/unistd.h
'
check_2 () {
file1=$1
file2=$2
shift
shift
cmd="diff $* $file1 $file2 > /dev/null"
test -f $file2 && {
eval $cmd || {
echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
echo diff -u $file1 $file2
}
}
}
check () {
file=$1
shift
check_2 tools/$file $file $*
}
# Check if we have the kernel headers (tools/perf/../../include), else
# we're probably on a detached tarball, so no point in trying to check
# differences.
test -d ../../include || exit 0
cd ../..
# simple diff check
for i in $FILES; do
check $i -B
done
# diff with extra ignore lines
check arch/x86/lib/memcpy_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"'
check include/linux/ctype.h '-I "isdigit("'
check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
check arch/x86/include/asm/inat.h '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
check arch/x86/include/asm/insn.h '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
check arch/x86/lib/inat.c '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
check arch/x86/lib/insn.c '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]"'
# diff non-symmetric files
check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
cd tools/perf