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