tools/perf/check-headers.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 HEADERS='
   5 include/uapi/drm/drm.h
   6 include/uapi/drm/i915_drm.h
   7 include/uapi/linux/fcntl.h
   8 include/uapi/linux/kcmp.h
   9 include/uapi/linux/kvm.h
  10 include/uapi/linux/perf_event.h
  11 include/uapi/linux/prctl.h
  12 include/uapi/linux/sched.h
  13 include/uapi/linux/stat.h
  14 include/uapi/linux/vhost.h
  15 include/uapi/sound/asound.h
  16 include/linux/bits.h
  17 include/linux/hash.h
  18 include/uapi/linux/hw_breakpoint.h
  19 arch/x86/include/asm/disabled-features.h
  20 arch/x86/include/asm/required-features.h
  21 arch/x86/include/asm/cpufeatures.h
  22 arch/arm/include/uapi/asm/perf_regs.h
  23 arch/arm64/include/uapi/asm/perf_regs.h
  24 arch/powerpc/include/uapi/asm/perf_regs.h
  25 arch/s390/include/uapi/asm/perf_regs.h
  26 arch/x86/include/uapi/asm/perf_regs.h
  27 arch/x86/include/uapi/asm/kvm.h
  28 arch/x86/include/uapi/asm/kvm_perf.h
  29 arch/x86/include/uapi/asm/svm.h
  30 arch/x86/include/uapi/asm/unistd.h
  31 arch/x86/include/uapi/asm/vmx.h
  32 arch/powerpc/include/uapi/asm/kvm.h
  33 arch/s390/include/uapi/asm/kvm.h
  34 arch/s390/include/uapi/asm/kvm_perf.h
  35 arch/s390/include/uapi/asm/ptrace.h
  36 arch/s390/include/uapi/asm/sie.h
  37 arch/arm/include/uapi/asm/kvm.h
  38 arch/arm64/include/uapi/asm/kvm.h
  39 include/asm-generic/bitops/arch_hweight.h
  40 include/asm-generic/bitops/const_hweight.h
  41 include/asm-generic/bitops/__fls.h
  42 include/asm-generic/bitops/fls.h
  43 include/asm-generic/bitops/fls64.h
  44 include/linux/coresight-pmu.h
  45 include/uapi/asm-generic/ioctls.h
  46 include/uapi/asm-generic/mman-common.h
  47 '
  48
  49 check () {
  50   file=$1
  51   opts="--ignore-blank-lines --ignore-space-change"
  52
  53   shift
  54   while [ -n "$*" ]; do
  55     opts="$opts \"$1\""
  56     shift
  57   done
  58
  59   cmd="diff $opts ../$file ../../$file > /dev/null"
  60
  61   test -f ../../$file &&
  62   eval $cmd || echo "Warning: Kernel ABI header at 'tools/$file' differs from latest version at '$file'" >&2
  63 }
  64
  65
  66 # Check if we have the kernel headers (tools/perf/../../include), else
  67 # we're probably on a detached tarball, so no point in trying to check
  68 # differences.
  69 test -d ../../include || exit 0
  70
  71 # simple diff check
  72 for i in $HEADERS; do
  73   check $i -B
  74 done
  75
  76 # diff with extra ignore lines
  77 check arch/x86/lib/memcpy_64.S        -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
  78 check arch/x86/lib/memset_64.S        -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
  79 check include/uapi/asm-generic/mman.h -I "^#include <\(uapi/\)*asm-generic/mman-common.h>"
  80 check include/uapi/linux/mman.h       -I "^#include <\(uapi/\)*asm/mman.h>"