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/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/vhost.h" 20 "include/linux/bits.h" 21 "include/vdso/bits.h" 22 "include/linux/const.h" 23 "include/vdso/const.h" 24 "include/linux/hash.h" 25 "include/linux/list-sort.h" 26 "include/uapi/linux/hw_breakpoint.h" 27 "arch/x86/include/asm/disabled-features.h" 28 "arch/x86/include/asm/required-features.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/kvm_perf.h" 44 "arch/x86/include/uapi/asm/svm.h" 45 "arch/x86/include/uapi/asm/unistd.h" 46 "arch/x86/include/uapi/asm/vmx.h" 47 "arch/powerpc/include/uapi/asm/kvm.h" 48 "arch/s390/include/uapi/asm/kvm.h" 49 "arch/s390/include/uapi/asm/kvm_perf.h" 50 "arch/s390/include/uapi/asm/sie.h" 51 "arch/arm/include/uapi/asm/kvm.h" 52 "arch/arm64/include/uapi/asm/kvm.h" 53 "arch/arm64/include/uapi/asm/unistd.h" 54 "arch/alpha/include/uapi/asm/errno.h" 55 "arch/mips/include/asm/errno.h" 56 "arch/mips/include/uapi/asm/errno.h" 57 "arch/parisc/include/uapi/asm/errno.h" 58 "arch/powerpc/include/uapi/asm/errno.h" 59 "arch/sparc/include/uapi/asm/errno.h" 60 "arch/x86/include/uapi/asm/errno.h" 61 "include/asm-generic/bitops/arch_hweight.h" 62 "include/asm-generic/bitops/const_hweight.h" 63 "include/asm-generic/bitops/__fls.h" 64 "include/asm-generic/bitops/fls.h" 65 "include/asm-generic/bitops/fls64.h" 66 "include/linux/coresight-pmu.h" 67 "include/uapi/asm-generic/errno.h" 68 "include/uapi/asm-generic/errno-base.h" 69 "include/uapi/asm-generic/ioctls.h" 70 "include/uapi/asm-generic/mman-common.h" 71 "include/uapi/asm-generic/unistd.h" 72) 73 74declare -a SYNC_CHECK_FILES 75SYNC_CHECK_FILES=( 76 "arch/x86/include/asm/inat.h" 77 "arch/x86/include/asm/insn.h" 78 "arch/x86/lib/inat.c" 79 "arch/x86/lib/insn.c" 80) 81 82# These copies are under tools/perf/trace/beauty/ as they are not used to in 83# building object files only by scripts in tools/perf/trace/beauty/ to generate 84# tables that then gets included in .c files for things like id->string syscall 85# tables (and the reverse lookup as well: string -> id) 86 87declare -a BEAUTY_FILES 88BEAUTY_FILES=( 89 "arch/x86/include/asm/irq_vectors.h" 90 "arch/x86/include/uapi/asm/prctl.h" 91 "include/linux/socket.h" 92 "include/uapi/linux/fcntl.h" 93 "include/uapi/linux/fs.h" 94 "include/uapi/linux/mount.h" 95 "include/uapi/linux/prctl.h" 96 "include/uapi/linux/sched.h" 97 "include/uapi/linux/stat.h" 98 "include/uapi/linux/usbdevice_fs.h" 99 "include/uapi/sound/asound.h" 100) 101 102declare -a FAILURES 103 104check_2 () { 105 tools_file=$1 106 orig_file=$2 107 108 shift 109 shift 110 111 cmd="diff $* $tools_file $orig_file > /dev/null" 112 113 if [ -f "$orig_file" ] && ! eval "$cmd" 114 then 115 FAILURES+=( 116 "$tools_file $orig_file" 117 ) 118 fi 119} 120 121check () { 122 file=$1 123 124 shift 125 126 check_2 "tools/$file" "$file" "$@" 127} 128 129beauty_check () { 130 file=$1 131 132 shift 133 134 check_2 "tools/perf/trace/beauty/$file" "$file" "$@" 135} 136 137# Check if we have the kernel headers (tools/perf/../../include), else 138# we're probably on a detached tarball, so no point in trying to check 139# differences. 140if ! [ -d ../../include ] 141then 142 echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include" 143 exit 0 144fi 145 146cd ../.. 147 148# simple diff check 149for i in "${FILES[@]}" 150do 151 check "$i" -B 152done 153 154for i in "${SYNC_CHECK_FILES[@]}" 155do 156 check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' 157done 158 159# diff with extra ignore lines 160check 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>"' 161check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"' 162check arch/x86/include/asm/amd-ibs.h '-I "^#include [<\"]\(asm/\)*msr-index.h"' 163check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"' 164check include/asm-generic/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"' 165check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"' 166check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' 167check include/linux/build_bug.h '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"' 168check include/linux/ctype.h '-I "isdigit("' 169check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B' 170check lib/list_sort.c '-I "^#include <linux/bug.h>"' 171 172# diff non-symmetric files 173check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl 174check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl 175check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl 176check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl 177 178for i in "${BEAUTY_FILES[@]}" 179do 180 beauty_check "$i" -B 181done 182 183# check duplicated library files 184check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h 185check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c 186 187cd tools/perf || exit 188 189if [ ${#FAILURES[@]} -gt 0 ] 190then 191 echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:" 192 for i in "${FAILURES[@]}" 193 do 194 echo " diff -u $i" 195 done 196fi 197