CoCalc -- check-headers.sh

GitHub Repository: torvalds/linux
Path: blob/master/tools/perf/check-headers.sh
²⁶²⁸² views
1
#!/bin/bash
2
# SPDX-License-Identifier: GPL-2.0
3

4
YELLOW='\033[0;33m'
5
NC='\033[0m' # No Color
6

7
declare -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/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
  "scripts/syscall.tbl"
73
)
74

75
declare -a SYNC_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

87
declare -a BEAUTY_FILES=(
88
  "arch/x86/include/asm/irq_vectors.h"
89
  "arch/x86/include/uapi/asm/prctl.h"
90
  "include/linux/socket.h"
91
  "include/uapi/linux/fcntl.h"
92
  "include/uapi/linux/fs.h"
93
  "include/uapi/linux/mount.h"
94
  "include/uapi/linux/prctl.h"
95
  "include/uapi/linux/sched.h"
96
  "include/uapi/linux/stat.h"
97
  "include/uapi/linux/usbdevice_fs.h"
98
  "include/uapi/linux/vhost.h"
99
  "include/uapi/sound/asound.h"
100
)
101

102
declare -a FAILURES
103

104
check_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

121
check () {
122
  file=$1
123

124
  shift
125

126
  check_2 "tools/$file" "$file" "$@"
127
}
128

129
beauty_check () {
130
  file=$1
131

132
  shift
133

134
  check_2 "tools/perf/trace/beauty/$file" "$file" "$@"
135
}
136

137
check_ignore_some_hunks () {
138
  orig_file="$1"
139
  tools_file="tools/$orig_file"
140
  hunks_to_ignore="tools/perf/check-header_ignore_hunks/$orig_file"
141

142
  if [ ! -f "$hunks_to_ignore" ]; then
143
    echo "$hunks_to_ignore not found. Skipping $orig_file check."
144
    FAILURES+=(
145
      "$tools_file $orig_file"
146
    )
147
    return
148
  fi
149

150
  cmd="diff -u \"$tools_file\" \"$orig_file\" | grep -vf \"$hunks_to_ignore\" | wc -l | grep -qw 0"
151

152
  if [ -f "$orig_file" ] && ! eval "$cmd"
153
  then
154
    FAILURES+=(
155
      "$tools_file $orig_file"
156
    )
157
  fi
158
}
159

160

161
# Check if we have the kernel headers (tools/perf/../../include), else
162
# we're probably on a detached tarball, so no point in trying to check
163
# differences.
164
if ! [ -d ../../include ]
165
then
166
  echo -e "${YELLOW}Warning${NC}: Skipped check-headers due to missing ../../include"
167
  exit 0
168
fi
169

170
cd ../..
171

172
# simple diff check
173
for i in "${FILES[@]}"
174
do
175
  check "$i" -B
176
done
177

178
for i in "${SYNC_CHECK_FILES[@]}"
179
do
180
  check "$i" '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
181
done
182

183
# diff with extra ignore lines
184
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>"'
185
check arch/x86/lib/memset_64.S        '-I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" -I"^SYM_FUNC_START\(_LOCAL\)*(memset_\(erms\|orig\))"'
186
check arch/x86/include/asm/amd/ibs.h  '-I "^#include .*/msr-index.h"'
187
check arch/arm64/include/asm/cputype.h '-I "^#include [<\"]\(asm/\)*sysreg.h"'
188
check include/linux/unaligned.h '-I "^#include <linux/unaligned/packed_struct.h>" -I "^#include <asm/byteorder.h>" -I "^#pragma GCC diagnostic"'
189
check include/uapi/asm-generic/mman.h '-I "^#include <\(uapi/\)*asm-generic/mman-common\(-tools\)*.h>"'
190
check include/uapi/linux/mman.h       '-I "^#include <\(uapi/\)*asm/mman.h>"'
191
check include/linux/build_bug.h       '-I "^#\(ifndef\|endif\)\( \/\/\)* static_assert$"'
192
check include/linux/ctype.h	      '-I "isdigit("'
193
check lib/ctype.c		      '-I "^EXPORT_SYMBOL" -I "^#include <linux/export.h>" -B'
194

195
# diff non-symmetric files
196
check_2 tools/perf/arch/x86/entry/syscalls/syscall_32.tbl arch/x86/entry/syscalls/syscall_32.tbl
197
check_2 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
198
check_2 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
199
check_2 tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
200
check_2 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
201
check_2 tools/perf/arch/arm/entry/syscalls/syscall.tbl arch/arm/tools/syscall.tbl
202
check_2 tools/perf/arch/sh/entry/syscalls/syscall.tbl arch/sh/kernel/syscalls/syscall.tbl
203
check_2 tools/perf/arch/sparc/entry/syscalls/syscall.tbl arch/sparc/kernel/syscalls/syscall.tbl
204
check_2 tools/perf/arch/xtensa/entry/syscalls/syscall.tbl arch/xtensa/kernel/syscalls/syscall.tbl
205
check_2 tools/perf/arch/alpha/entry/syscalls/syscall.tbl arch/alpha/entry/syscalls/syscall.tbl
206
check_2 tools/perf/arch/parisc/entry/syscalls/syscall.tbl arch/parisc/entry/syscalls/syscall.tbl
207
check_2 tools/perf/arch/arm64/entry/syscalls/syscall_32.tbl arch/arm64/entry/syscalls/syscall_32.tbl
208
check_2 tools/perf/arch/arm64/entry/syscalls/syscall_64.tbl arch/arm64/entry/syscalls/syscall_64.tbl
209

210
for i in "${BEAUTY_FILES[@]}"
211
do
212
  beauty_check "$i" -B
213
done
214

215
# check duplicated library files
216
check_2 tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
217
check_2 tools/perf/util/hashmap.c tools/lib/bpf/hashmap.c
218

219
# Files with larger differences
220

221
check_ignore_some_hunks lib/list_sort.c
222

223
cd tools/perf || exit
224

225
if [ ${#FAILURES[@]} -gt 0 ]
226
then
227
  echo -e "${YELLOW}Warning${NC}: Kernel ABI header differences:"
228
  for i in "${FAILURES[@]}"
229
  do
230
    echo "  diff -u $i"
231
  done
232
fi
233

234
Product

Resources

Company
