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 # These copies are under tools/perf/trace/beauty/ as they are not used to in
  79 # building object files only by scripts in tools/perf/trace/beauty/ to generate
  80 # tables that then gets included in .c files for things like id->string syscall
  81 # tables (and the reverse lookup as well: string -> id)
  82
  83 BEAUTY_FILES='
  84 include/linux/socket.h
  85 '
  86
  87 check_2 () {
  88   file1=$1
  89   file2=$2
  90
  91   shift
  92   shift
  93
  94   cmd="diff $* $file1 $file2 > /dev/null"
  95
  96   test -f $file2 && {
  97     eval $cmd || {
  98       echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
  99       echo diff -u $file1 $file2
 100     }
 101   }
 102 }
 103
 104 check () {
 105   file=$1
 106
 107   shift
 108
 109   check_2 tools/$file $file $*
 110 }
 111
 112 beauty_check () {
 113   file=$1
 114
 115   shift
 116
 117   check_2 tools/perf/trace/beauty/$file $file $*
 118 }
 119
 120 # Check if we have the kernel headers (tools/perf/../../include), else
 121 # we're probably on a detached tarball, so no point in trying to check
 122 # differences.
 123 test -d ../../include || exit 0
 124
 125 cd ../..
 126
 127 # simple diff check
 128 for i in $FILES; do
 129   check $i -B
 130 done
 131
 132 # diff with extra ignore lines
 133 check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
 134 check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 135 check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 136 check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 137 check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
 138 check include/linux/ctype.h           '-I "isdigit("'
 139 check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 140 check arch/x86/include/asm/inat.h     '-I "^#include [\"<]\(asm/\)*inat_types.h[\">]"'
 141 check arch/x86/include/asm/insn.h     '-I "^#include [\"<]\(asm/\)*inat.h[\">]"'
 142 check arch/x86/lib/inat.c             '-I "^#include [\"<]\(../include/\)*asm/insn.h[\">]"'
 143 check arch/x86/lib/insn.c             '-I "^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]" -I "^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]"'
 144
 145 # diff non-symmetric files
 146 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 147 check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
 148 check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
 149
 150 for i in $BEAUTY_FILES; do
 151   beauty_check $i -B
 152 done
 153
 154 # check duplicated library files
 155 check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
 156 check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
 157
 158 cd tools/perf