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/fcntl.h" 14 "include/uapi/linux/fs.h" 15 "include/uapi/linux/fscrypt.h" 16 "include/uapi/linux/kcmp.h" 17 "include/uapi/linux/kvm.h" 18 "include/uapi/linux/in.h" 19 "include/uapi/linux/mount.h" 20 "include/uapi/linux/openat2.h" 21 "include/uapi/linux/perf_event.h" 22 "include/uapi/linux/prctl.h" 23 "include/uapi/linux/sched.h" 24 "include/uapi/linux/seccomp.h" 25 "include/uapi/linux/stat.h" 26 "include/uapi/linux/usbdevice_fs.h" 27 "include/uapi/linux/vhost.h" 28 "include/uapi/sound/asound.h" 29 "include/linux/bits.h" 30 "include/vdso/bits.h" 31 "include/linux/const.h" 32 "include/vdso/const.h" 33 "include/linux/hash.h" 34 "include/linux/list-sort.h" 35 "include/uapi/linux/hw_breakpoint.h" 36 "arch/x86/include/asm/disabled-features.h" 37 "arch/x86/include/asm/required-features.h" 38 "arch/x86/include/asm/cpufeatures.h" 39 "arch/x86/include/asm/inat_types.h" 40 "arch/x86/include/asm/emulate_prefix.h" 41 "arch/x86/include/asm/irq_vectors.h" 42 "arch/x86/include/asm/msr-index.h" 43 "arch/x86/include/uapi/asm/prctl.h" 44 "arch/x86/lib/x86-opcode-map.txt" 45 "arch/x86/tools/gen-insn-attr-x86.awk" 46 "arch/arm/include/uapi/asm/perf_regs.h" 47 "arch/arm64/include/uapi/asm/perf_regs.h" 48 "arch/loongarch/include/uapi/asm/perf_regs.h" 49 "arch/mips/include/uapi/asm/perf_regs.h" 50 "arch/powerpc/include/uapi/asm/perf_regs.h" 51 "arch/s390/include/uapi/asm/perf_regs.h" 52 "arch/x86/include/uapi/asm/perf_regs.h" 53 "arch/x86/include/uapi/asm/kvm.h" 54 "arch/x86/include/uapi/asm/kvm_perf.h" 55 "arch/x86/include/uapi/asm/svm.h" 56 "arch/x86/include/uapi/asm/unistd.h" 57 "arch/x86/include/uapi/asm/vmx.h" 58 "arch/powerpc/include/uapi/asm/kvm.h" 59 "arch/s390/include/uapi/asm/kvm.h" 60 "arch/s390/include/uapi/asm/kvm_perf.h" 61 "arch/s390/include/uapi/asm/sie.h" 62 "arch/arm/include/uapi/asm/kvm.h" 63 "arch/arm64/include/uapi/asm/kvm.h" 64 "arch/arm64/include/uapi/asm/unistd.h" 65 "arch/alpha/include/uapi/asm/errno.h" 66 "arch/mips/include/asm/errno.h" 67 "arch/mips/include/uapi/asm/errno.h" 68 "arch/parisc/include/uapi/asm/errno.h" 69 "arch/powerpc/include/uapi/asm/errno.h" 70 "arch/sparc/include/uapi/asm/errno.h" 71 "arch/x86/include/uapi/asm/errno.h" 72 "include/asm-generic/bitops/arch_hweight.h" 73 "include/asm-generic/bitops/const_hweight.h" 74 "include/asm-generic/bitops/__fls.h" 75 "include/asm-generic/bitops/fls.h" 76 "include/asm-generic/bitops/fls64.h" 77 "include/linux/coresight-pmu.h" 78 "include/uapi/asm-generic/errno.h" 79 "include/uapi/asm-generic/errno-base.h" 80 "include/uapi/asm-generic/ioctls.h" 81 "include/uapi/asm-generic/mman-common.h" 82 "include/uapi/asm-generic/unistd.h" 83) 84 85declare -a SYNC_CHECK_FILES 86SYNC_CHECK_FILES=( 87 "arch/x86/include/asm/inat.h" 88 "arch/x86/include/asm/insn.h" 89 "arch/x86/lib/inat.c" 90 "arch/x86/lib/insn.c" 91) 92 93# These copies are under tools/perf/trace/beauty/ as they are not used to in 94# building object files only by scripts in tools/perf/trace/beauty/ to generate 95# tables that then gets included in .c files for things like id->string syscall 96# tables (and the reverse lookup as well: string -> id) 97 98declare -a BEAUTY_FILES 99BEAUTY_FILES=( 100 "include/linux/socket.h" 101) 102 103declare -a FAILURES 104 105check_2 () { 106 tools_file=$1 107 orig_file=$2 108 109 shift 110 shift 111 112 cmd="diff $* $tools_file $orig_file > /dev/null" 113 114 if [ -f "$orig_file" ] && ! eval "$cmd" 115 then 116 FAILURES+=( 117 "$tools_file $orig_file" 118 ) 119 fi 120} 121 122check () { 123 file=$1 124 125 shift 126 127 check_2 "tools/$file" "$file" "$@" 128} 129 130beauty_check () { 131 file=$1 132 133 shift 134 135 check_2 "tools/perf/trace/beauty/$file" "$file" "$@" 136} 137 138# Check if we have the kernel headers (tools/perf/../../include), else 139# we're probably on a detached tarball, so no point in trying to check 140# differences. 141if ! [ -d ../../include ] 142then 143 echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include" 144 exit 0 145fi 146 147cd ../.. 148 149# simple diff check 150for i in "${FILES[@]}" 151do 152 check "$i" -B 153done 154 155for i in "${SYNC_CHECK_FILES[@]}" 156do 157 check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' 158done 159 160# diff with extra ignore lines 161check 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>"' 162check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"' 163check arch/x86/include/asm/amd-ibs.h '-I "^#include [<\"]\(asm/\)*msr-index.h"' 164check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"' 165check include/asm-generic/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"' 166check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"' 167check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' 168check include/linux/build_bug.h '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"' 169check include/linux/ctype.h '-I "isdigit("' 170check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B' 171check lib/list_sort.c '-I "^#include <linux/bug.h>"' 172 173# diff non-symmetric files 174check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl 175check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl 176check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl 177check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl 178 179for i in "${BEAUTY_FILES[@]}" 180do 181 beauty_check "$i" -B 182done 183 184# check duplicated library files 185check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h 186check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c 187 188cd tools/perf || exit 189 190if [ ${#FAILURES[@]} -gt 0 ] 191then 192 echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:" 193 for i in "${FAILURES[@]}" 194 do 195 echo " diff -u $i" 196 done 197fi 198