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