Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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/genetlink.h"
15 "include/uapi/linux/if_addr.h"
16 "include/uapi/linux/in.h"
17 "include/uapi/linux/kcmp.h"
18 "include/uapi/linux/kvm.h"
19 "include/uapi/linux/neighbour.h"
20 "include/uapi/linux/netfilter.h"
21 "include/uapi/linux/netfilter_arp.h"
22 "include/uapi/linux/perf_event.h"
23 "include/uapi/linux/rtnetlink.h"
24 "include/uapi/linux/seccomp.h"
25 "include/uapi/linux/stat.h"
26 "include/linux/bits.h"
27 "include/vdso/bits.h"
28 "include/linux/cfi_types.h"
29 "include/linux/const.h"
30 "include/vdso/const.h"
31 "include/vdso/unaligned.h"
32 "include/linux/gfp_types.h"
33 "include/linux/hash.h"
34 "include/linux/list-sort.h"
35 "include/uapi/linux/hw_breakpoint.h"
36 "arch/x86/include/asm/cpufeatures.h"
37 "arch/x86/include/asm/inat_types.h"
38 "arch/x86/include/asm/emulate_prefix.h"
39 "arch/x86/include/asm/msr-index.h"
40 "arch/x86/lib/x86-opcode-map.txt"
41 "arch/x86/tools/gen-insn-attr-x86.awk"
42 "arch/arm/include/uapi/asm/perf_regs.h"
43 "arch/arm64/include/uapi/asm/perf_regs.h"
44 "arch/loongarch/include/uapi/asm/perf_regs.h"
45 "arch/mips/include/uapi/asm/perf_regs.h"
46 "arch/powerpc/include/uapi/asm/perf_regs.h"
47 "arch/s390/include/uapi/asm/perf_regs.h"
48 "arch/x86/include/uapi/asm/perf_regs.h"
49 "arch/x86/include/uapi/asm/kvm.h"
50 "arch/x86/include/uapi/asm/svm.h"
51 "arch/x86/include/uapi/asm/unistd.h"
52 "arch/x86/include/uapi/asm/vmx.h"
53 "arch/powerpc/include/uapi/asm/kvm.h"
54 "arch/s390/include/uapi/asm/kvm.h"
55 "arch/s390/include/uapi/asm/sie.h"
56 "arch/arm64/include/uapi/asm/kvm.h"
57 "arch/arm64/include/uapi/asm/unistd.h"
58 "arch/alpha/include/uapi/asm/errno.h"
59 "arch/mips/include/asm/errno.h"
60 "arch/mips/include/uapi/asm/errno.h"
61 "arch/parisc/include/uapi/asm/errno.h"
62 "arch/powerpc/include/uapi/asm/errno.h"
63 "arch/sparc/include/uapi/asm/errno.h"
64 "arch/x86/include/uapi/asm/errno.h"
65 "include/asm-generic/bitops/arch_hweight.h"
66 "include/asm-generic/bitops/const_hweight.h"
67 "include/asm-generic/bitops/__fls.h"
68 "include/asm-generic/bitops/fls.h"
69 "include/asm-generic/bitops/fls64.h"
70 "include/linux/coresight-pmu.h"
71 "include/uapi/asm-generic/errno.h"
72 "include/uapi/asm-generic/errno-base.h"
73 "include/uapi/asm-generic/ioctls.h"
74 "include/uapi/asm-generic/mman-common.h"
75 "include/uapi/asm-generic/unistd.h"
76 "scripts/syscall.tbl"
77)
78
79declare -a SYNC_CHECK_FILES=(
80 "arch/x86/include/asm/inat.h"
81 "arch/x86/include/asm/insn.h"
82 "arch/x86/lib/inat.c"
83 "arch/x86/lib/insn.c"
84)
85
86# These copies are under tools/perf/trace/beauty/ as they are not used to in
87# building object files only by scripts in tools/perf/trace/beauty/ to generate
88# tables that then gets included in .c files for things like id->string syscall
89# tables (and the reverse lookup as well: string -> id)
90
91declare -a BEAUTY_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 .*/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