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/linux/list-sort.h
 30include/uapi/linux/hw_breakpoint.h
 31arch/x86/include/asm/disabled-features.h
 32arch/x86/include/asm/required-features.h
 33arch/x86/include/asm/cpufeatures.h
 34arch/x86/include/asm/inat_types.h
 35arch/x86/include/asm/emulate_prefix.h
 36arch/x86/include/asm/irq_vectors.h
 37arch/x86/include/asm/msr-index.h
 38arch/x86/include/uapi/asm/prctl.h
 39arch/x86/lib/x86-opcode-map.txt
 40arch/x86/tools/gen-insn-attr-x86.awk
 41arch/arm/include/uapi/asm/perf_regs.h
 42arch/arm64/include/uapi/asm/perf_regs.h
 43arch/mips/include/uapi/asm/perf_regs.h
 44arch/powerpc/include/uapi/asm/perf_regs.h
 45arch/s390/include/uapi/asm/perf_regs.h
 46arch/x86/include/uapi/asm/perf_regs.h
 47arch/x86/include/uapi/asm/kvm.h
 48arch/x86/include/uapi/asm/kvm_perf.h
 49arch/x86/include/uapi/asm/svm.h
 50arch/x86/include/uapi/asm/unistd.h
 51arch/x86/include/uapi/asm/vmx.h
 52arch/powerpc/include/uapi/asm/kvm.h
 53arch/s390/include/uapi/asm/kvm.h
 54arch/s390/include/uapi/asm/kvm_perf.h
 55arch/s390/include/uapi/asm/ptrace.h
 56arch/s390/include/uapi/asm/sie.h
 57arch/arm/include/uapi/asm/kvm.h
 58arch/arm64/include/uapi/asm/kvm.h
 59arch/arm64/include/uapi/asm/unistd.h
 60arch/alpha/include/uapi/asm/errno.h
 61arch/mips/include/asm/errno.h
 62arch/mips/include/uapi/asm/errno.h
 63arch/parisc/include/uapi/asm/errno.h
 64arch/powerpc/include/uapi/asm/errno.h
 65arch/sparc/include/uapi/asm/errno.h
 66arch/x86/include/uapi/asm/errno.h
 67include/asm-generic/bitops/arch_hweight.h
 68include/asm-generic/bitops/const_hweight.h
 69include/asm-generic/bitops/__fls.h
 70include/asm-generic/bitops/fls.h
 71include/asm-generic/bitops/fls64.h
 72include/linux/coresight-pmu.h
 73include/uapi/asm-generic/errno.h
 74include/uapi/asm-generic/errno-base.h
 75include/uapi/asm-generic/ioctls.h
 76include/uapi/asm-generic/mman-common.h
 77include/uapi/asm-generic/unistd.h
 78'
 79
 80SYNC_CHECK_FILES='
 81arch/x86/include/asm/inat.h
 82arch/x86/include/asm/insn.h
 83arch/x86/lib/inat.c
 84arch/x86/lib/insn.c
 85'
 86
 87# These copies are under tools/perf/trace/beauty/ as they are not used to in
 88# building object files only by scripts in tools/perf/trace/beauty/ to generate
 89# tables that then gets included in .c files for things like id->string syscall
 90# tables (and the reverse lookup as well: string -> id)
 91
 92BEAUTY_FILES='
 93include/linux/socket.h
 94'
 95
 96check_2 () {
 97  file1=$1
 98  file2=$2
 99
100  shift
101  shift
102
103  cmd="diff $* $file1 $file2 > /dev/null"
104
105  test -f $file2 && {
106    eval $cmd || {
107      echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
108      echo diff -u $file1 $file2
109    }
110  }
111}
112
113check () {
114  file=$1
115
116  shift
117
118  check_2 tools/$file $file $*
119}
120
121beauty_check () {
122  file=$1
123
124  shift
125
126  check_2 tools/perf/trace/beauty/$file $file $*
127}
128
129# Check if we have the kernel headers (tools/perf/../../include), else
130# we're probably on a detached tarball, so no point in trying to check
131# differences.
132test -d ../../include || exit 0
133
134cd ../..
135
136# simple diff check
137for i in $FILES; do
138  check $i -B
139done
140
141for i in $SYNC_CHECK_FILES; do
142  check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
143done
144
145# diff with extra ignore lines
146check arch/x86/lib/memcpy_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memcpy_\(erms\|orig\))" -I"^#include <linux/cfi_types.h>"'
147check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
148check arch/x86/include/asm/amd-ibs.h  '-I "^#include [<\"]\(asm/\)*msr-index.h"'
149check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"'
150check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
151check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
152check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
153check include/linux/ctype.h	      '-I "isdigit("'
154check lib/ctype.c		      '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
155check lib/list_sort.c		      '-I "^#include <linux/bug.h>"'
156
157# diff non-symmetric files
158check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
159check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
160check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
161check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
162
163for i in $BEAUTY_FILES; do
164  beauty_check $i -B
165done
166
167# check duplicated library files
168check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
169check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
170
171cd tools/perf