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