blob: 185a3bdb08ad30699f6a8d3d56a7506829435ad2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
#!/bin/bash
set -euf -o pipefail
top="#TOP#"
shadow_top="#SHADOW_TOP#"
orig_cc="#ORIG_TOOL#"
shadow_cc="#SHADOW_TOOL#"
errors=()
warnings=()
skips=()
mode=()
target=()
opt_level=()
lang=()
stdin_input=()
orig_out=()
shadow_out=()
orig_input=()
shadow_input=()
orig_opts=()
shadow_opts=()
dump_log ()
{
(
set +u
IFS=";"
cat <<EOF
errors=(${errors[@]})
warnings=(${warnings[@]})
skips=(${skips[@]})
mode=(${mode[@]})
target=(${target[@]})
opt_level=(${opt_level[@]})
lang=(${lang[@]})
stdin_input=(${stdin_input[@]})
orig_out=(${orig_out[@]})
shadow_out=(${shadow_out[@]})
orig_input=(${orig_input[@]})
shadow_input=(${shadow_input[@]})
orig_opts=($0 ${orig_opts[@]})
shadow_opts=(${shadow_opts[@]})
EOF
)
}
report_errors () {
res=$?
if [ $res != 0 ]; then
errors+=("wrapper failed with $res")
fi
if [ ${#errors[@]} != 0 ] \
|| [ ${#warnings[@]} != 0 ] \
|| [ ${#skips[@]} != 0 ]; then
(
/usr/bin/flock -e 9
if [ ${#errors[@]} != 0 ]; then
log=$shadow_top.errors
elif [ ${#warnings[@]} != 0 ]; then
log=$shadow_top.warnings
else
log=$shadow_top.skips
fi
dump_log >>$log
) 9>>$shadow_top.lock
fi
# Log code-size
if [ ${#skips[@]} = 0 ] && [ -x "${orig_out[*]}" ]; then
if [ -x "${shadow_out[*]}" ]; then
text=$(/usr/bin/size "${shadow_out[*]}" | tail -n1 | awk '{ print $1 }')
else
text="-1"
fi
(
/usr/bin/flock -e 9
echo "${orig_out[*]},binary,$text" >> $shadow_top.size
) 9>>$shadow_top.size
fi
}
trap report_errors EXIT
while [ "$#" -gt 0 ]; do
opt="$1"
shift
orig_opts+=("$opt")
case "$opt" in
"-c"|"-S"|"-E") mode+=("$opt") ;;
"-o")
if [ "$#" -gt 0 ]; then
orig_out=("$1" "${orig_out[@]}")
orig_opts+=("$1")
shift
else
errors+=("$opt with no argument")
fi
;;
"-O"*)
opt_level+=("$opt")
;;
"-target")
if [ "$#" -gt 0 ]; then
target=("$1" "${target[@]}")
orig_opts+=("$1")
shift
else
errors+=("$opt with no argument")
fi
;;
"-x")
if [ "$#" -gt 0 ]; then
lang+=("$1")
orig_opts+=("$1")
shift
else
errors+=("$opt with no argument")
fi
;;
"-isystem"|"--sysroot"|"-MF"|"-MQ"|"-I"|"-include"|"-z"|"-D")
if [ "$#" -gt 0 ]; then
orig_opts+=("$1")
shift
else
errors+=("$opt with no argument")
fi
;;
"-")
orig_input+=("$opt")
stdin_input+=("$opt")
;;
"-"*)
;;
*)
orig_input+=("$opt")
;;
esac
done
if [ ${#mode[@]} = 0 ]; then
# Link mode
mode=("-L")
elif [ ${#mode[@]} != 1 ]; then
warnings+=("Several modes: ${mode[*]}")
fi
if [ ${#stdin_input[@]} = 1 ]; then
skips+=("Stdin input")
if [ x"${orig_input[*]}" != x"${stdin_input[*]}" ]; then
errors+=("Extra inputs in presence of stdin: ${orig_input[*]}")
fi
if [ x"${mode[*]}" != x"-E" ]; then
warnings+=("Stdin input with mode: ${mode[*]}")
fi
elif [ ${#stdin_input[@]} -gt 1 ]; then
errors+=("Several stdin inputs")
fi
if [ ${#lang[@]} -gt 1 ]; then
warnings+=("Several -x LANG options: ${lang[*]}")
fi
if [ ${#opt_level[@]} -gt 1 ]; then
warnings+=("Several opt_levels: ${opt_level[*]}")
fi
if [ x"${mode[*]}" != x"-L" ]; then
if [ ${#orig_input[@]} != 1 ]; then
errors+=("Several inputs with mode ${mode[*]}: ${orig_input[*]}")
fi
fi
if [ ${#orig_out[@]} = 0 ]; then
skips+=("No orig_out")
elif [ ${#orig_out[@]} != 1 ]; then
errors+=("Several orig_outs: ${orig_out[*]}")
fi
if [ "${#target[@]}" -gt 1 ]; then
errors+=("Several targets: ${target[*]}")
fi
if ! echo "${target[*]}" | grep -q -e "^aarch64"; then
skips+=("Skipping target: ${target[*]}")
fi
if [ ${#errors[@]} = 0 ] && [ ${#skips[@]} != 0 ] \
&& [ ${#orig_out[@]} = 0 ] && [ ${#stdin_input[@]} != 0 ]; then
# Bionic has several cases where orig_cc [expectedly?] fails.
# Ignore these.
report_errors
exec "$orig_cc" "${orig_opts[@]}"
fi
print_shadow_path ()
{
local path="$1"
local prefix="${2-}"
case "$path" in
"/dev/null") echo "$path"; return ;;
"/"*) errors+=("Absolute path: $path") ;;
esac
# Check that we are under $top
case "$(pwd -P | sed -e "s#^$top##")" in
"/"*) errors+=("Running outside of $top") ;;
esac
echo "$(pwd -P)/$path" | sed -e "s#$top#$shadow_top${prefix}#"
}
generate_shadow_rsp ()
{
local orig_rsp="$1"
local shadow_rsp orig_file shadow_file
shadow_rsp=$(print_shadow_path "$orig_rsp")
mkdir -p "$(dirname "$shadow_rsp")"
rm -f "$shadow_rsp"
if [ "$(stat --format=%s "$orig_rsp")" = 0 ]; then
touch "$shadow_rsp"
else
local delim=""
while read -r orig_file; do
shadow_file=$(print_shadow_path "$orig_file")
if ! [ -e "$shadow_file" ]; then
shadow_file="$orig_file"
fi
echo -ne "$delim$shadow_file" >> "$shadow_rsp"
delim=" "
done < <({ cat "$orig_rsp"; echo; } | tr ' ' '\n')
fi
echo "$shadow_rsp"
}
make_shadow_opts ()
{
local opt
local shadow_file
while [ "$#" -gt 0 ]; do
opt="$1"
shift
case "$opt" in
"-o")
shadow_opts+=("$opt")
opt=$(print_shadow_path "$1")
shadow_out+=("$opt")
shift
;;
"-fuse-ld=lld")
opt="-fuse-ld=$(dirname "$shadow_cc")/ld.lld"
;;
"-target"|"-x"|"-isystem"|"--sysroot"|"-MF"|"-MQ"|"-I"|"-include"|"-z"|"-D")
shadow_opts+=("$opt")
opt="$1"
shift
;;
"-Werror"*) continue ;;
"-")
errors+=("Stdin input should have been skipped")
;;
"-"*) ;;
"@"*".rsp")
opt="${opt#@}"
if [ x"$opt" = x"${orig_out[*]}.rsp" ]; then
opt=$(generate_shadow_rsp "$opt")
else
errors+=("RSP file $opt does not match orig_out ${orig_out[*]}")
fi
opt="@$opt"
;;
"@"*)
errors+=("Unexpected option: $opt")
opt="${opt#@}"
# shellcheck disable=SC2046
make_shadow_opts $(cat "$opt")
continue
;;
*)
shadow_file=$(print_shadow_path "$opt")
if [ -e "$shadow_file" ]; then
opt="$shadow_file"
shadow_input+=("$shadow_file")
fi
esac
shadow_opts+=("$opt")
done
}
if [ ${#errors[@]} = 0 ] && [ ${#skips[@]} = 0 ]; then
make_shadow_opts "${orig_opts[@]}"
fi
if [ ${#errors[@]} = 0 ] && [ ${#skips[@]} = 0 ]; then
shadow_log=$(print_shadow_path "${orig_out[*]}" "-logs")
mkdir -p "$(dirname "${shadow_out[*]}")"
mkdir -p "$(dirname "$shadow_log")"
dump_log > "$shadow_log"
echo "$shadow_cc" "${shadow_opts[@]}" >> "$shadow_log"
"$shadow_cc" "${shadow_opts[@]}" >> "$shadow_log" 2>&1 &
shadow_res=0 && wait $! || shadow_res=$?
if [ $shadow_res != 0 ]; then
errors+=("shadow_cc failed with $shadow_res")
elif ! [ -e "${shadow_out[*]}" ]; then
errors+=("shadow_cc failed to generate output")
elif [ x"${shadow_out[*]}" != x"/dev/null" ]; then
shadow_link=$(IFS=""; print_shadow_path "${orig_out[*]}" "-${target[*]-default}${mode[*]}")
mkdir -p "$(dirname "$shadow_link")"
ln -s -f "${shadow_out[*]}" "$shadow_link"
fi
fi
/usr/bin/ccache "$orig_cc" "${orig_opts[@]}" &
orig_res=0 && wait $! || orig_res=$?
if [ $orig_res != 0 ]; then
errors+=("orig_cc failed with $orig_res")
fi
exit $orig_res
|