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/openat2.h
  17 include/uapi/linux/perf_event.h
  18 include/uapi/linux/prctl.h
  19 include/uapi/linux/sched.h
  20 include/uapi/linux/stat.h
  21 include/uapi/linux/usbdevice_fs.h
  22 include/uapi/linux/vhost.h
  23 include/uapi/sound/asound.h
  24 include/linux/bits.h
  25 include/vdso/bits.h
  26 include/linux/const.h
  27 include/vdso/const.h
  28 include/linux/hash.h
  29 include/uapi/linux/hw_breakpoint.h
  30 arch/x86/include/asm/disabled-features.h
  31 arch/x86/include/asm/required-features.h
  32 arch/x86/include/asm/cpufeatures.h
  33 arch/x86/include/asm/inat_types.h
  34 arch/x86/include/asm/emulate_prefix.h
  35 arch/x86/include/asm/irq_vectors.h
  36 arch/x86/include/asm/msr-index.h
  37 arch/x86/include/uapi/asm/prctl.h
  38 arch/x86/lib/x86-opcode-map.txt
  39 arch/x86/tools/gen-insn-attr-x86.awk
  40 arch/arm/include/uapi/asm/perf_regs.h
  41 arch/arm64/include/uapi/asm/perf_regs.h
  42 arch/powerpc/include/uapi/asm/perf_regs.h
  43 arch/s390/include/uapi/asm/perf_regs.h
  44 arch/x86/include/uapi/asm/perf_regs.h
  45 arch/x86/include/uapi/asm/kvm.h
  46 arch/x86/include/uapi/asm/kvm_perf.h
  47 arch/x86/include/uapi/asm/svm.h
  48 arch/x86/include/uapi/asm/unistd.h
  49 arch/x86/include/uapi/asm/vmx.h
  50 arch/powerpc/include/uapi/asm/kvm.h
  51 arch/s390/include/uapi/asm/kvm.h
  52 arch/s390/include/uapi/asm/kvm_perf.h
  53 arch/s390/include/uapi/asm/ptrace.h
  54 arch/s390/include/uapi/asm/sie.h
  55 arch/arm/include/uapi/asm/kvm.h
  56 arch/arm64/include/uapi/asm/kvm.h
  57 arch/arm64/include/uapi/asm/unistd.h
  58 arch/alpha/include/uapi/asm/errno.h
  59 arch/mips/include/asm/errno.h
  60 arch/mips/include/uapi/asm/errno.h
  61 arch/parisc/include/uapi/asm/errno.h
  62 arch/powerpc/include/uapi/asm/errno.h
  63 arch/sparc/include/uapi/asm/errno.h
  64 arch/x86/include/uapi/asm/errno.h
  65 include/asm-generic/bitops/arch_hweight.h
  66 include/asm-generic/bitops/const_hweight.h
  67 include/asm-generic/bitops/__fls.h
  68 include/asm-generic/bitops/fls.h
  69 include/asm-generic/bitops/fls64.h
  70 include/linux/coresight-pmu.h
  71 include/uapi/asm-generic/errno.h
  72 include/uapi/asm-generic/errno-base.h
  73 include/uapi/asm-generic/ioctls.h
  74 include/uapi/asm-generic/mman-common.h
  75 include/uapi/asm-generic/unistd.h
  76 '
  77
  78 check_2 () {
  79   file1=$1
  80   file2=$2
  81
  82   shift
  83   shift
  84
  85   cmd="diff $* $file1 $file2 > /dev/null"
  86
  87   test -f $file2 && {
  88     eval $cmd || {
  89       echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
  90       echo diff -u $file1 $file2
  91     }
  92   }
  93 }
  94
  95 check () {
  96   file=$1
  97
  98   shift
  99
 100   check_2 tools/$file $file $*
 101 }
 102
 103 # Check if we have the kernel headers (tools/perf/../../include), else
 104 # we're probably on a detached tarball, so no point in trying to check
 105 # differences.
 106 test -d ../../include || exit 0
 107
 108 cd ../..
 109
 110 # simple diff check
 111 for i in $FILES; do
 112   check $i -B
 113 done
 114
 115 # diff with extra ignore lines
 116 check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
 117 check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 118 check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 119 check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 120 check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
 121 check include/linux/ctype.h           '-I "isdigit("'
 122 check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 123 check arch/x86/include/asm/inat.h     '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
 124 check arch/x86/include/asm/insn.h     '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
 125 check arch/x86/lib/inat.c             '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
 126 check arch/x86/lib/insn.c             '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
 127
 128 # diff non-symmetric files
 129 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 130
 131 # check duplicated library files
 132 check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
 133 check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
 134
 135 cd tools/perf