linux/tools/perf/check-headers.sh
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   1#!/bin/sh
   2# SPDX-License-Identifier: GPL-2.0
   3
   4FILES='
   5include/uapi/linux/const.h
   6include/uapi/drm/drm.h
   7include/uapi/drm/i915_drm.h
   8include/uapi/linux/fadvise.h
   9include/uapi/linux/fcntl.h
  10include/uapi/linux/fs.h
  11include/uapi/linux/fscrypt.h
  12include/uapi/linux/kcmp.h
  13include/uapi/linux/kvm.h
  14include/uapi/linux/in.h
  15include/uapi/linux/mount.h
  16include/uapi/linux/openat2.h
  17include/uapi/linux/perf_event.h
  18include/uapi/linux/prctl.h
  19include/uapi/linux/sched.h
  20include/uapi/linux/stat.h
  21include/uapi/linux/usbdevice_fs.h
  22include/uapi/linux/vhost.h
  23include/uapi/sound/asound.h
  24include/linux/bits.h
  25include/vdso/bits.h
  26include/linux/const.h
  27include/vdso/const.h
  28include/linux/hash.h
  29include/uapi/linux/hw_breakpoint.h
  30arch/x86/include/asm/disabled-features.h
  31arch/x86/include/asm/required-features.h
  32arch/x86/include/asm/cpufeatures.h
  33arch/x86/include/asm/inat_types.h
  34arch/x86/include/asm/emulate_prefix.h
  35arch/x86/include/asm/irq_vectors.h
  36arch/x86/include/asm/msr-index.h
  37arch/x86/include/uapi/asm/prctl.h
  38arch/x86/lib/x86-opcode-map.txt
  39arch/x86/tools/gen-insn-attr-x86.awk
  40arch/arm/include/uapi/asm/perf_regs.h
  41arch/arm64/include/uapi/asm/perf_regs.h
  42arch/mips/include/uapi/asm/perf_regs.h
  43arch/powerpc/include/uapi/asm/perf_regs.h
  44arch/s390/include/uapi/asm/perf_regs.h
  45arch/x86/include/uapi/asm/perf_regs.h
  46arch/x86/include/uapi/asm/kvm.h
  47arch/x86/include/uapi/asm/kvm_perf.h
  48arch/x86/include/uapi/asm/svm.h
  49arch/x86/include/uapi/asm/unistd.h
  50arch/x86/include/uapi/asm/vmx.h
  51arch/powerpc/include/uapi/asm/kvm.h
  52arch/s390/include/uapi/asm/kvm.h
  53arch/s390/include/uapi/asm/kvm_perf.h
  54arch/s390/include/uapi/asm/ptrace.h
  55arch/s390/include/uapi/asm/sie.h
  56arch/arm/include/uapi/asm/kvm.h
  57arch/arm64/include/uapi/asm/kvm.h
  58arch/arm64/include/uapi/asm/unistd.h
  59arch/alpha/include/uapi/asm/errno.h
  60arch/mips/include/asm/errno.h
  61arch/mips/include/uapi/asm/errno.h
  62arch/parisc/include/uapi/asm/errno.h
  63arch/powerpc/include/uapi/asm/errno.h
  64arch/sparc/include/uapi/asm/errno.h
  65arch/x86/include/uapi/asm/errno.h
  66include/asm-generic/bitops/arch_hweight.h
  67include/asm-generic/bitops/const_hweight.h
  68include/asm-generic/bitops/__fls.h
  69include/asm-generic/bitops/fls.h
  70include/asm-generic/bitops/fls64.h
  71include/linux/coresight-pmu.h
  72include/uapi/asm-generic/errno.h
  73include/uapi/asm-generic/errno-base.h
  74include/uapi/asm-generic/ioctls.h
  75include/uapi/asm-generic/mman-common.h
  76include/uapi/asm-generic/unistd.h
  77'
  78
  79SYNC_CHECK_FILES='
  80arch/x86/include/asm/inat.h
  81arch/x86/include/asm/insn.h
  82arch/x86/lib/inat.c
  83arch/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
  91BEAUTY_FILES='
  92include/linux/socket.h
  93'
  94
  95check_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
 112check () {
 113  file=$1
 114
 115  shift
 116
 117  check_2 tools/$file $file $*
 118}
 119
 120beauty_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.
 131test -d ../../include || exit 0
 132
 133cd ../..
 134
 135# simple diff check
 136for i in $FILES; do
 137  check $i -B
 138done
 139
 140for i in $SYNC_CHECK_FILES; do
 141  check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
 142done
 143
 144# diff with extra ignore lines
 145check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))"'
 146check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
 147check arch/x86/include/asm/amd-ibs.h  '-I "^#include [<\"]\(asm/\)*msr-index.h"'
 148check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
 149check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
 150check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
 151check include/linux/ctype.h           '-I "isdigit("'
 152check lib/ctype.c                     '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
 153
 154# diff non-symmetric files
 155check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
 156check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
 157check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
 158check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
 159
 160for i in $BEAUTY_FILES; do
 161  beauty_check $i -B
 162done
 163
 164# check duplicated library files
 165check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
 166check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
 167
 168cd tools/perf
 169