tools/perf/check-headers.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 FILES='
   5 include/uapi/linux/const.h
   6 include/uapi/drm/drm.h
   7 include/uapi/drm/i915_drm.h
   8 include/uapi/linux/fadvise.h
   9 include/uapi/linux/fcntl.h
  10 include/uapi/linux/fs.h
  11 include/uapi/linux/fscrypt.h
  12 include/uapi/linux/kcmp.h
  13 include/uapi/linux/kvm.h
  14 include/uapi/linux/in.h
  15 include/uapi/linux/mount.h
  16 include/uapi/linux/perf_event.h
  17 include/uapi/linux/prctl.h
  18 include/uapi/linux/sched.h
  19 include/uapi/linux/stat.h
  20 include/uapi/linux/usbdevice_fs.h
  21 include/uapi/linux/vhost.h
  22 include/uapi/sound/asound.h
  23 include/linux/bits.h
  24 include/linux/const.h
  25 include/linux/hash.h
  26 include/uapi/linux/hw_breakpoint.h
  27 arch/x86/include/asm/disabled-features.h
  28 arch/x86/include/asm/required-features.h
  29 arch/x86/include/asm/cpufeatures.h
  30 arch/x86/include/asm/inat_types.h
  31 arch/x86/include/asm/emulate_prefix.h
  32 arch/x86/include/asm/irq_vectors.h
  33 arch/x86/include/asm/msr-index.h
  34 arch/x86/include/uapi/asm/prctl.h
  35 arch/x86/lib/x86-opcode-map.txt
  36 arch/x86/tools/gen-insn-attr-x86.awk
  37 arch/arm/include/uapi/asm/perf_regs.h
  38 arch/arm64/include/uapi/asm/perf_regs.h
  39 arch/powerpc/include/uapi/asm/perf_regs.h
  40 arch/s390/include/uapi/asm/perf_regs.h
  41 arch/x86/include/uapi/asm/perf_regs.h
  42 arch/x86/include/uapi/asm/kvm.h
  43 arch/x86/include/uapi/asm/kvm_perf.h
  44 arch/x86/include/uapi/asm/svm.h
  45 arch/x86/include/uapi/asm/unistd.h
  46 arch/x86/include/uapi/asm/vmx.h
  47 arch/powerpc/include/uapi/asm/kvm.h
  48 arch/s390/include/uapi/asm/kvm.h
  49 arch/s390/include/uapi/asm/kvm_perf.h
  50 arch/s390/include/uapi/asm/ptrace.h
  51 arch/s390/include/uapi/asm/sie.h
  52 arch/arm/include/uapi/asm/kvm.h
  53 arch/arm64/include/uapi/asm/kvm.h
  54 arch/arm64/include/uapi/asm/unistd.h
  55 arch/alpha/include/uapi/asm/errno.h
  56 arch/mips/include/asm/errno.h
  57 arch/mips/include/uapi/asm/errno.h
  58 arch/parisc/include/uapi/asm/errno.h
  59 arch/powerpc/include/uapi/asm/errno.h
  60 arch/sparc/include/uapi/asm/errno.h
  61 arch/x86/include/uapi/asm/errno.h
  62 include/asm-generic/bitops/arch_hweight.h
  63 include/asm-generic/bitops/const_hweight.h
  64 include/asm-generic/bitops/__fls.h
  65 include/asm-generic/bitops/fls.h
  66 include/asm-generic/bitops/fls64.h
  67 include/linux/coresight-pmu.h
  68 include/uapi/asm-generic/errno.h
  69 include/uapi/asm-generic/errno-base.h
  70 include/uapi/asm-generic/ioctls.h
  71 include/uapi/asm-generic/mman-common.h
  72 include/uapi/asm-generic/unistd.h
  73 '
  74
  75 check_2 () {
  76   file1=$1
  77   file2=$2
  78
  79   shift
  80   shift
  81
  82   cmd="diff $* $file1 $file2 > /dev/null"
  83
  84   test -f $file2 && {
  85     eval $cmd || {
  86       echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
  87       echo diff -u $file1 $file2
  88     }
  89   }
  90 }
  91
  92 check () {
  93   file=$1
  94
  95   shift
  96
  97   check_2 tools/$file $file $*
  98 }
  99
 100 # Check if we have the kernel headers (tools/perf/../../include), else
 101 # we're probably on a detached tarball, so no point in trying to check
 102 # differences.
 103 test -d ../../include || exit 0
 104
 105 cd ../..
 106
 107 # simple diff check
 108 for i in $FILES; do
 109   check $i -B
 110 done
 111
 112 # diff with extra ignore lines
 113 check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
 114 check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 115 check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 116 check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 117 check include/linux/ctype.h           '-I "isdigit("'
 118 check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 119 check arch/x86/include/asm/inat.h     '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
 120 check arch/x86/include/asm/insn.h     '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
 121 check arch/x86/lib/inat.c             '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
 122 check arch/x86/lib/insn.c             '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
 123
 124 # diff non-symmetric files
 125 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 126
 127 cd tools/perf