1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4YELLOW='\033[0;33m' 5NC='\033[0m' # No Color 6 7declare -a FILES 8FILES=( 9 "include/uapi/linux/const.h" 10 "include/uapi/drm/drm.h" 11 "include/uapi/drm/i915_drm.h" 12 "include/uapi/linux/bits.h" 13 "include/uapi/linux/fadvise.h" 14 "include/uapi/linux/fscrypt.h" 15 "include/uapi/linux/kcmp.h" 16 "include/uapi/linux/kvm.h" 17 "include/uapi/linux/in.h" 18 "include/uapi/linux/perf_event.h" 19 "include/uapi/linux/seccomp.h" 20 "include/uapi/linux/stat.h" 21 "include/linux/bits.h" 22 "include/vdso/bits.h" 23 "include/linux/const.h" 24 "include/vdso/const.h" 25 "include/vdso/unaligned.h" 26 "include/linux/hash.h" 27 "include/linux/list-sort.h" 28 "include/uapi/linux/hw_breakpoint.h" 29 "arch/x86/include/asm/disabled-features.h" 30 "arch/x86/include/asm/required-features.h" 31 "arch/x86/include/asm/cpufeatures.h" 32 "arch/x86/include/asm/inat_types.h" 33 "arch/x86/include/asm/emulate_prefix.h" 34 "arch/x86/include/asm/msr-index.h" 35 "arch/x86/lib/x86-opcode-map.txt" 36 "arch/x86/tools/gen-insn-attr-x86.awk" 37 "arch/arm/include/uapi/asm/perf_regs.h" 38 "arch/arm64/include/uapi/asm/perf_regs.h" 39 "arch/loongarch/include/uapi/asm/perf_regs.h" 40 "arch/mips/include/uapi/asm/perf_regs.h" 41 "arch/powerpc/include/uapi/asm/perf_regs.h" 42 "arch/s390/include/uapi/asm/perf_regs.h" 43 "arch/x86/include/uapi/asm/perf_regs.h" 44 "arch/x86/include/uapi/asm/kvm.h" 45 "arch/x86/include/uapi/asm/kvm_perf.h" 46 "arch/x86/include/uapi/asm/svm.h" 47 "arch/x86/include/uapi/asm/unistd.h" 48 "arch/x86/include/uapi/asm/vmx.h" 49 "arch/powerpc/include/uapi/asm/kvm.h" 50 "arch/s390/include/uapi/asm/kvm.h" 51 "arch/s390/include/uapi/asm/kvm_perf.h" 52 "arch/s390/include/uapi/asm/sie.h" 53 "arch/arm/include/uapi/asm/kvm.h" 54 "arch/arm64/include/uapi/asm/kvm.h" 55 "arch/arm64/include/uapi/asm/unistd.h" 56 "arch/alpha/include/uapi/asm/errno.h" 57 "arch/mips/include/asm/errno.h" 58 "arch/mips/include/uapi/asm/errno.h" 59 "arch/parisc/include/uapi/asm/errno.h" 60 "arch/powerpc/include/uapi/asm/errno.h" 61 "arch/sparc/include/uapi/asm/errno.h" 62 "arch/x86/include/uapi/asm/errno.h" 63 "include/asm-generic/bitops/arch_hweight.h" 64 "include/asm-generic/bitops/const_hweight.h" 65 "include/asm-generic/bitops/__fls.h" 66 "include/asm-generic/bitops/fls.h" 67 "include/asm-generic/bitops/fls64.h" 68 "include/linux/coresight-pmu.h" 69 "include/uapi/asm-generic/errno.h" 70 "include/uapi/asm-generic/errno-base.h" 71 "include/uapi/asm-generic/ioctls.h" 72 "include/uapi/asm-generic/mman-common.h" 73 "include/uapi/asm-generic/unistd.h" 74 "scripts/syscall.tbl" 75) 76 77declare -a SYNC_CHECK_FILES 78SYNC_CHECK_FILES=( 79 "arch/x86/include/asm/inat.h" 80 "arch/x86/include/asm/insn.h" 81 "arch/x86/lib/inat.c" 82 "arch/x86/lib/insn.c" 83) 84 85# These copies are under tools/perf/trace/beauty/ as they are not used to in 86# building object files only by scripts in tools/perf/trace/beauty/ to generate 87# tables that then gets included in .c files for things like id->string syscall 88# tables (and the reverse lookup as well: string -> id) 89 90declare -a BEAUTY_FILES 91BEAUTY_FILES=( 92 "arch/x86/include/asm/irq_vectors.h" 93 "arch/x86/include/uapi/asm/prctl.h" 94 "include/linux/socket.h" 95 "include/uapi/linux/fcntl.h" 96 "include/uapi/linux/fs.h" 97 "include/uapi/linux/mount.h" 98 "include/uapi/linux/prctl.h" 99 "include/uapi/linux/sched.h" 100 "include/uapi/linux/stat.h" 101 "include/uapi/linux/usbdevice_fs.h" 102 "include/uapi/linux/vhost.h" 103 "include/uapi/sound/asound.h" 104) 105 106declare -a FAILURES 107 108check_2 () { 109 tools_file=$1 110 orig_file=$2 111 112 shift 113 shift 114 115 cmd="diff $* $tools_file $orig_file > /dev/null" 116 117 if [ -f "$orig_file" ] && ! eval "$cmd" 118 then 119 FAILURES+=( 120 "$tools_file $orig_file" 121 ) 122 fi 123} 124 125check () { 126 file=$1 127 128 shift 129 130 check_2 "tools/$file" "$file" "$@" 131} 132 133beauty_check () { 134 file=$1 135 136 shift 137 138 check_2 "tools/perf/trace/beauty/$file" "$file" "$@" 139} 140 141check_ignore_some_hunks () { 142 orig_file="$1" 143 tools_file="tools/$orig_file" 144 hunks_to_ignore="tools/perf/check-header_ignore_hunks/$orig_file" 145 146 if [ ! -f "$hunks_to_ignore" ]; then 147 echo "$hunks_to_ignore not found. Skipping $orig_file check." 148 FAILURES+=( 149 "$tools_file $orig_file" 150 ) 151 return 152 fi 153 154 cmd="diff -u \"$tools_file\" \"$orig_file\" | grep -vf \"$hunks_to_ignore\" | wc -l | grep -qw 0" 155 156 if [ -f "$orig_file" ] && ! eval "$cmd" 157 then 158 FAILURES+=( 159 "$tools_file $orig_file" 160 ) 161 fi 162} 163 164 165# Check if we have the kernel headers (tools/perf/../../include), else 166# we're probably on a detached tarball, so no point in trying to check 167# differences. 168if ! [ -d ../../include ] 169then 170 echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include" 171 exit 0 172fi 173 174cd ../.. 175 176# simple diff check 177for i in "${FILES[@]}" 178do 179 check "$i" -B 180done 181 182for i in "${SYNC_CHECK_FILES[@]}" 183do 184 check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' 185done 186 187# diff with extra ignore lines 188check 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>"' 189check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"' 190check arch/x86/include/asm/amd-ibs.h '-I "^#include [<\"]\(asm/\)*msr-index.h"' 191check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"' 192check include/linux/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"' 193check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"' 194check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' 195check include/linux/build_bug.h '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"' 196check include/linux/ctype.h '-I "isdigit("' 197check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B' 198 199# diff non-symmetric files 200check_2 tools/perf/arch/x86/entry/syscalls/syscall_32.tbl arch/x86/entry/syscalls/syscall_32.tbl 201check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl 202check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl 203check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl 204check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl 205check_2 tools/perf/arch/arm/entry/syscalls/syscall.tbl arch/arm/tools/syscall.tbl 206check_2 tools/perf/arch/sh/entry/syscalls/syscall.tbl arch/sh/kernel/syscalls/syscall.tbl 207check_2 tools/perf/arch/sparc/entry/syscalls/syscall.tbl arch/sparc/kernel/syscalls/syscall.tbl 208check_2 tools/perf/arch/xtensa/entry/syscalls/syscall.tbl arch/xtensa/kernel/syscalls/syscall.tbl 209check_2 tools/perf/arch/alpha/entry/syscalls/syscall.tbl arch/alpha/entry/syscalls/syscall.tbl 210check_2 tools/perf/arch/parisc/entry/syscalls/syscall.tbl arch/parisc/entry/syscalls/syscall.tbl 211check_2 tools/perf/arch/arm64/entry/syscalls/syscall_32.tbl arch/arm64/entry/syscalls/syscall_32.tbl 212check_2 tools/perf/arch/arm64/entry/syscalls/syscall_64.tbl arch/arm64/entry/syscalls/syscall_64.tbl 213 214for i in "${BEAUTY_FILES[@]}" 215do 216 beauty_check "$i" -B 217done 218 219# check duplicated library files 220check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h 221check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c 222 223# Files with larger differences 224 225check_ignore_some_hunks lib/list_sort.c 226 227cd tools/perf || exit 228 229if [ ${#FAILURES[@]} -gt 0 ] 230then 231 echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:" 232 for i in "${FAILURES[@]}" 233 do 234 echo " diff -u $i" 235 done 236fi 237