1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3 4HEADERS=' 5include/uapi/drm/drm.h 6include/uapi/drm/i915_drm.h 7include/uapi/linux/fcntl.h 8include/uapi/linux/fs.h 9include/uapi/linux/kcmp.h 10include/uapi/linux/kvm.h 11include/uapi/linux/in.h 12include/uapi/linux/perf_event.h 13include/uapi/linux/prctl.h 14include/uapi/linux/sched.h 15include/uapi/linux/stat.h 16include/uapi/linux/vhost.h 17include/uapi/sound/asound.h 18include/linux/bits.h 19include/linux/hash.h 20include/uapi/linux/hw_breakpoint.h 21arch/x86/include/asm/disabled-features.h 22arch/x86/include/asm/required-features.h 23arch/x86/include/asm/cpufeatures.h 24arch/arm/include/uapi/asm/perf_regs.h 25arch/arm64/include/uapi/asm/perf_regs.h 26arch/powerpc/include/uapi/asm/perf_regs.h 27arch/s390/include/uapi/asm/perf_regs.h 28arch/x86/include/uapi/asm/perf_regs.h 29arch/x86/include/uapi/asm/kvm.h 30arch/x86/include/uapi/asm/kvm_perf.h 31arch/x86/include/uapi/asm/svm.h 32arch/x86/include/uapi/asm/unistd.h 33arch/x86/include/uapi/asm/vmx.h 34arch/powerpc/include/uapi/asm/kvm.h 35arch/s390/include/uapi/asm/kvm.h 36arch/s390/include/uapi/asm/kvm_perf.h 37arch/s390/include/uapi/asm/ptrace.h 38arch/s390/include/uapi/asm/sie.h 39arch/arm/include/uapi/asm/kvm.h 40arch/arm64/include/uapi/asm/kvm.h 41arch/arm64/include/uapi/asm/unistd.h 42arch/alpha/include/uapi/asm/errno.h 43arch/mips/include/asm/errno.h 44arch/mips/include/uapi/asm/errno.h 45arch/parisc/include/uapi/asm/errno.h 46arch/powerpc/include/uapi/asm/errno.h 47arch/sparc/include/uapi/asm/errno.h 48arch/x86/include/uapi/asm/errno.h 49arch/powerpc/include/uapi/asm/unistd.h 50include/asm-generic/bitops/arch_hweight.h 51include/asm-generic/bitops/const_hweight.h 52include/asm-generic/bitops/__fls.h 53include/asm-generic/bitops/fls.h 54include/asm-generic/bitops/fls64.h 55include/linux/coresight-pmu.h 56include/uapi/asm-generic/errno.h 57include/uapi/asm-generic/errno-base.h 58include/uapi/asm-generic/ioctls.h 59include/uapi/asm-generic/mman-common.h 60include/uapi/asm-generic/unistd.h 61' 62 63check_2 () { 64 file1=$1 65 file2=$2 66 67 shift 68 shift 69 70 cmd="diff $* $file1 $file2 > /dev/null" 71 72 test -f $file2 && { 73 eval $cmd || { 74 echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2 75 echo diff -u $file1 $file2 76 } 77 } 78} 79 80check () { 81 file=$1 82 83 shift 84 85 check_2 tools/$file $file $* 86} 87 88# Check if we have the kernel headers (tools/perf/../../include), else 89# we're probably on a detached tarball, so no point in trying to check 90# differences. 91test -d ../../include || exit 0 92 93cd ../.. 94 95# simple diff check 96for i in $HEADERS; do 97 check $i -B 98done 99 100# diff with extra ignore lines 101check arch/x86/lib/memcpy_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"' 102check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"' 103check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common.h>"' 104check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' 105 106# diff non-symmetric files 107check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl 108 109cd tools/perf 110