1#!/bin/sh
  2# SPDX-License-Identifier: GPL-2.0
  3
  4FILES='
  5include/uapi/linux/const.h
  6include/uapi/drm/drm.h
  7include/uapi/drm/i915_drm.h
  8include/uapi/linux/fadvise.h
  9include/uapi/linux/fcntl.h
 10include/uapi/linux/fs.h
 11include/uapi/linux/fscrypt.h
 12include/uapi/linux/kcmp.h
 13include/uapi/linux/kvm.h
 14include/uapi/linux/in.h
 15include/uapi/linux/mount.h
 16include/uapi/linux/perf_event.h
 17include/uapi/linux/prctl.h
 18include/uapi/linux/sched.h
 19include/uapi/linux/stat.h
 20include/uapi/linux/usbdevice_fs.h
 21include/uapi/linux/vhost.h
 22include/uapi/sound/asound.h
 23include/linux/bits.h
 24include/linux/const.h
 25include/linux/hash.h
 26include/uapi/linux/hw_breakpoint.h
 27arch/x86/include/asm/disabled-features.h
 28arch/x86/include/asm/required-features.h
 29arch/x86/include/asm/cpufeatures.h
 30arch/x86/include/asm/inat_types.h
 31arch/x86/include/uapi/asm/prctl.h
 32arch/x86/lib/x86-opcode-map.txt
 33arch/x86/tools/gen-insn-attr-x86.awk
 34arch/arm/include/uapi/asm/perf_regs.h
 35arch/arm64/include/uapi/asm/perf_regs.h
 36arch/powerpc/include/uapi/asm/perf_regs.h
 37arch/s390/include/uapi/asm/perf_regs.h
 38arch/x86/include/uapi/asm/perf_regs.h
 39arch/x86/include/uapi/asm/kvm.h
 40arch/x86/include/uapi/asm/kvm_perf.h
 41arch/x86/include/uapi/asm/svm.h
 42arch/x86/include/uapi/asm/unistd.h
 43arch/x86/include/uapi/asm/vmx.h
 44arch/powerpc/include/uapi/asm/kvm.h
 45arch/s390/include/uapi/asm/kvm.h
 46arch/s390/include/uapi/asm/kvm_perf.h
 47arch/s390/include/uapi/asm/ptrace.h
 48arch/s390/include/uapi/asm/sie.h
 49arch/arm/include/uapi/asm/kvm.h
 50arch/arm64/include/uapi/asm/kvm.h
 51arch/arm64/include/uapi/asm/unistd.h
 52arch/alpha/include/uapi/asm/errno.h
 53arch/mips/include/asm/errno.h
 54arch/mips/include/uapi/asm/errno.h
 55arch/parisc/include/uapi/asm/errno.h
 56arch/powerpc/include/uapi/asm/errno.h
 57arch/sparc/include/uapi/asm/errno.h
 58arch/x86/include/uapi/asm/errno.h
 59include/asm-generic/bitops/arch_hweight.h
 60include/asm-generic/bitops/const_hweight.h
 61include/asm-generic/bitops/__fls.h
 62include/asm-generic/bitops/fls.h
 63include/asm-generic/bitops/fls64.h
 64include/linux/coresight-pmu.h
 65include/uapi/asm-generic/errno.h
 66include/uapi/asm-generic/errno-base.h
 67include/uapi/asm-generic/ioctls.h
 68include/uapi/asm-generic/mman-common.h
 69include/uapi/asm-generic/unistd.h
 70'
 71
 72check_2 () {
 73  file1=$1
 74  file2=$2
 75
 76  shift
 77  shift
 78
 79  cmd="diff $* $file1 $file2 > /dev/null"
 80
 81  test -f $file2 && {
 82    eval $cmd || {
 83      echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
 84      echo diff -u $file1 $file2
 85    }
 86  }
 87}
 88
 89check () {
 90  file=$1
 91
 92  shift
 93
 94  check_2 tools/$file $file $*
 95}
 96
 97# Check if we have the kernel headers (tools/perf/../../include), else
 98# we're probably on a detached tarball, so no point in trying to check
 99# differences.
100test -d ../../include || exit 0
101
102cd ../..
103
104# simple diff check
105for i in $FILES; do
106  check $i -B
107done
108
109# diff with extra ignore lines
110check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
111check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"'
112check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
113check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
114check include/linux/ctype.h	      '-I "isdigit("'
115check lib/ctype.c		      '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
116check arch/x86/include/asm/inat.h     '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
117check arch/x86/include/asm/insn.h     '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
118check arch/x86/lib/inat.c	      '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
119check arch/x86/lib/insn.c	      '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]"'
120
121# diff non-symmetric files
122check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
123
124cd tools/perf