name : check-headers.sh #!/bin/bash # SPDX-License-Identifier: GPL-2.0 YELLOW='\033[0;33m' NC='\033[0m' # No Color declare -a FILES FILES=( "include/uapi/linux/const.h" "include/uapi/drm/drm.h" "include/uapi/drm/i915_drm.h" "include/uapi/linux/fadvise.h" "include/uapi/linux/fcntl.h" "include/uapi/linux/fs.h" "include/uapi/linux/fscrypt.h" "include/uapi/linux/kcmp.h" "include/uapi/linux/kvm.h" "include/uapi/linux/in.h" "include/uapi/linux/mount.h" "include/uapi/linux/openat2.h" "include/uapi/linux/perf_event.h" "include/uapi/linux/prctl.h" "include/uapi/linux/sched.h" "include/uapi/linux/seccomp.h" "include/uapi/linux/stat.h" "include/uapi/linux/usbdevice_fs.h" "include/uapi/linux/vhost.h" "include/uapi/sound/asound.h" "include/linux/bits.h" "include/vdso/bits.h" "include/linux/const.h" "include/vdso/const.h" "include/linux/hash.h" "include/linux/list-sort.h" "include/uapi/linux/hw_breakpoint.h" "arch/x86/include/asm/disabled-features.h" "arch/x86/include/asm/required-features.h" "arch/x86/include/asm/cpufeatures.h" "arch/x86/include/asm/inat_types.h" "arch/x86/include/asm/emulate_prefix.h" "arch/x86/include/asm/irq_vectors.h" "arch/x86/include/asm/msr-index.h" "arch/x86/include/uapi/asm/prctl.h" "arch/x86/lib/x86-opcode-map.txt" "arch/x86/tools/gen-insn-attr-x86.awk" "arch/arm/include/uapi/asm/perf_regs.h" "arch/arm64/include/uapi/asm/perf_regs.h" "arch/loongarch/include/uapi/asm/perf_regs.h" "arch/mips/include/uapi/asm/perf_regs.h" "arch/powerpc/include/uapi/asm/perf_regs.h" "arch/s390/include/uapi/asm/perf_regs.h" "arch/x86/include/uapi/asm/perf_regs.h" "arch/x86/include/uapi/asm/kvm.h" "arch/x86/include/uapi/asm/kvm_perf.h" "arch/x86/include/uapi/asm/svm.h" "arch/x86/include/uapi/asm/unistd.h" "arch/x86/include/uapi/asm/vmx.h" "arch/powerpc/include/uapi/asm/kvm.h" "arch/s390/include/uapi/asm/kvm.h" "arch/s390/include/uapi/asm/kvm_perf.h" "arch/s390/include/uapi/asm/sie.h" "arch/arm/include/uapi/asm/kvm.h" "arch/arm64/include/uapi/asm/kvm.h" "arch/arm64/include/uapi/asm/unistd.h" "arch/alpha/include/uapi/asm/errno.h" "arch/mips/include/asm/errno.h" "arch/mips/include/uapi/asm/errno.h" "arch/parisc/include/uapi/asm/errno.h" "arch/powerpc/include/uapi/asm/errno.h" "arch/sparc/include/uapi/asm/errno.h" "arch/x86/include/uapi/asm/errno.h" "include/asm-generic/bitops/arch_hweight.h" "include/asm-generic/bitops/const_hweight.h" "include/asm-generic/bitops/__fls.h" "include/asm-generic/bitops/fls.h" "include/asm-generic/bitops/fls64.h" "include/linux/coresight-pmu.h" "include/uapi/asm-generic/errno.h" "include/uapi/asm-generic/errno-base.h" "include/uapi/asm-generic/ioctls.h" "include/uapi/asm-generic/mman-common.h" "include/uapi/asm-generic/unistd.h" ) declare -a SYNC_CHECK_FILES SYNC_CHECK_FILES=( "arch/x86/include/asm/inat.h" "arch/x86/include/asm/insn.h" "arch/x86/lib/inat.c" "arch/x86/lib/insn.c" ) # These copies are under tools/perf/trace/beauty/ as they are not used to in # building object files only by scripts in tools/perf/trace/beauty/ to generate # tables that then gets included in .c files for things like id->string syscall # tables (and the reverse lookup as well: string -> id) declare -a BEAUTY_FILES BEAUTY_FILES=( "include/linux/socket.h" ) declare -a FAILURES check_2 () { tools_file=$1 orig_file=$2 shift shift cmd="diff $* $tools_file $orig_file > /dev/null" if [ -f "$orig_file" ] && ! eval "$cmd" then FAILURES+=( "$tools_file $orig_file" ) fi } check () { file=$1 shift check_2 "tools/$file" "$file" "$@" } beauty_check () { file=$1 shift check_2 "tools/perf/trace/beauty/$file" "$file" "$@" } # Check if we have the kernel headers (tools/perf/../../include), else # we're probably on a detached tarball, so no point in trying to check # differences. if ! [ -d ../../include ] then echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include" exit 0 fi cd ../.. # simple diff check for i in "${FILES[@]}" do check "$i" -B done for i in "${SYNC_CHECK_FILES[@]}" do check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"' done # diff with extra ignore lines check 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>"' check arch/x86/lib/memset_64.S '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"' check arch/x86/include/asm/amd-ibs.h '-I "^#include [<\"]\(asm/\)*msr-index.h"' check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"' check include/asm-generic/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"' check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"' check include/uapi/linux/mman.h '-I "^#include <\(uapi/\)*asm/mman.h>"' check include/linux/build_bug.h '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"' check include/linux/ctype.h '-I "isdigit("' check lib/ctype.c '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B' check lib/list_sort.c '-I "^#include <linux/bug.h>"' # diff non-symmetric files check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl for i in "${BEAUTY_FILES[@]}" do beauty_check "$i" -B done # check duplicated library files check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c cd tools/perf || exit if [ ${#FAILURES[@]} -gt 0 ] then echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:" for i in "${FAILURES[@]}" do echo " diff -u $i" done fi