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/mips/include/uapi/asm/perf_regs.h
  43 arch/powerpc/include/uapi/asm/perf_regs.h
  44 arch/s390/include/uapi/asm/perf_regs.h
  45 arch/x86/include/uapi/asm/perf_regs.h
  46 arch/x86/include/uapi/asm/kvm.h
  47 arch/x86/include/uapi/asm/kvm_perf.h
  48 arch/x86/include/uapi/asm/svm.h
  49 arch/x86/include/uapi/asm/unistd.h
  50 arch/x86/include/uapi/asm/vmx.h
  51 arch/powerpc/include/uapi/asm/kvm.h
  52 arch/s390/include/uapi/asm/kvm.h
  53 arch/s390/include/uapi/asm/kvm_perf.h
  54 arch/s390/include/uapi/asm/ptrace.h
  55 arch/s390/include/uapi/asm/sie.h
  56 arch/arm/include/uapi/asm/kvm.h
  57 arch/arm64/include/uapi/asm/kvm.h
  58 arch/arm64/include/uapi/asm/unistd.h
  59 arch/alpha/include/uapi/asm/errno.h
  60 arch/mips/include/asm/errno.h
  61 arch/mips/include/uapi/asm/errno.h
  62 arch/parisc/include/uapi/asm/errno.h
  63 arch/powerpc/include/uapi/asm/errno.h
  64 arch/sparc/include/uapi/asm/errno.h
  65 arch/x86/include/uapi/asm/errno.h
  66 include/asm-generic/bitops/arch_hweight.h
  67 include/asm-generic/bitops/const_hweight.h
  68 include/asm-generic/bitops/__fls.h
  69 include/asm-generic/bitops/fls.h
  70 include/asm-generic/bitops/fls64.h
  71 include/linux/coresight-pmu.h
  72 include/uapi/asm-generic/errno.h
  73 include/uapi/asm-generic/errno-base.h
  74 include/uapi/asm-generic/ioctls.h
  75 include/uapi/asm-generic/mman-common.h
  76 include/uapi/asm-generic/unistd.h
  77 '
  78
  79 SYNC_CHECK_FILES='
  80 arch/x86/include/asm/inat.h
  81 arch/x86/include/asm/insn.h
  82 arch/x86/lib/inat.c
  83 arch/x86/lib/insn.c
  84 '
  85
  86 # These copies are under tools/perf/trace/beauty/ as they are not used to in
  87 # building object files only by scripts in tools/perf/trace/beauty/ to generate
  88 # tables that then gets included in .c files for things like id->string syscall
  89 # tables (and the reverse lookup as well: string -> id)
  90
  91 BEAUTY_FILES='
  92 include/linux/socket.h
  93 '
  94
  95 check_2 () {
  96   file1=$1
  97   file2=$2
  98
  99   shift
 100   shift
 101
 102   cmd="diff $* $file1 $file2 > /dev/null"
 103
 104   test -f $file2 && {
 105     eval $cmd || {
 106       echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
 107       echo diff -u $file1 $file2
 108     }
 109   }
 110 }
 111
 112 check () {
 113   file=$1
 114
 115   shift
 116
 117   check_2 tools/$file $file $*
 118 }
 119
 120 beauty_check () {
 121   file=$1
 122
 123   shift
 124
 125   check_2 tools/perf/trace/beauty/$file $file $*
 126 }
 127
 128 # Check if we have the kernel headers (tools/perf/../../include), else
 129 # we're probably on a detached tarball, so no point in trying to check
 130 # differences.
 131 test -d ../../include || exit 0
 132
 133 cd ../..
 134
 135 # simple diff check
 136 for i in $FILES; do
 137   check $i -B
 138 done
 139
 140 for i in $SYNC_CHECK_FILES; do
 141   check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
 142 done
 143
 144 # diff with extra ignore lines
 145 check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
 146 check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 147 check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 148 check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 149 check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
 150 check include/linux/ctype.h           '-I "isdigit("'
 151 check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 152
 153 # diff non-symmetric files
 154 check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 155 check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
 156 check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
 157 check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
 158
 159 for i in $BEAUTY_FILES; do
 160   beauty_check $i -B
 161 done
 162
 163 # check duplicated library files
 164 check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
 165 check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
 166
 167 cd tools/perf