blob: b8253037bfe73fa68faf945464425c128ab1d856 (
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
|
#!/bin/bash -ex
function usage() {
echo "Usage: $0 [--project <js|browser>] <workspace-dir> flags..."
echo "flags are treated the same way as a commit message would be"
echo "(as in, they are scanned for directives just like a try: ... line)"
}
PROJECT=js
WORKSPACE=
while [[ $# -gt 0 ]]; do
if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then
usage
exit 0
elif [[ "$1" == "--project" ]]; then
shift
PROJECT="$1"
shift
elif [[ "$1" == "--no-tooltool" ]]; then
shift
elif [[ -z "$WORKSPACE" ]]; then
WORKSPACE=$( cd "$1" && pwd )
shift
break
fi
done
function check_commit_msg () {
( set +e;
if [[ -n "$AUTOMATION" ]]; then
hg --cwd "$GECKO_PATH" log -r. --template '{desc}\n' | grep -F -q -- "$1"
else
echo -- "$SCRIPT_FLAGS" | grep -F -q -- "$1"
fi
)
}
if check_commit_msg "--dep"; then
HAZ_DEP=1
fi
SCRIPT_FLAGS=$*
ANALYSIS_DIR="$WORKSPACE/haz-$PROJECT"
# Ensure all the scripts in this dir are on the path....
DIRNAME=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
PATH=$DIRNAME:$PATH
# Use GECKO_BASE_REPOSITORY as a signal for whether we are running in automation.
export AUTOMATION=${GECKO_BASE_REPOSITORY:+1}
: "${GECKO_PATH:="$DIRNAME"/../../..}"
if ! [ -d "$GECKO_PATH" ]; then
echo "GECKO_PATH must be set to a directory containing a gecko source checkout" >&2
exit 1
fi
# Directory to hold the compiled JS shell that will run the analysis.
HAZARD_SHELL_OBJDIR=$WORKSPACE/obj-haz-shell
export NO_MERCURIAL_SETUP_CHECK=1
if [[ "$PROJECT" = "browser" ]]; then (
cd "$WORKSPACE"
set "$WORKSPACE"
# Mozbuild config:
export MOZBUILD_STATE_PATH=$WORKSPACE/mozbuild/
# Create .mozbuild so mach doesn't complain about this
mkdir -p "$MOZBUILD_STATE_PATH"
) fi
# Build the shell
export HAZARD_SHELL_OBJDIR # This will be picked up by mozconfig.haz_shell.
$GECKO_PATH/mach hazards build-shell
# Run a self-test
$GECKO_PATH/mach hazards self-test --shell-objdir="$HAZARD_SHELL_OBJDIR"
# Artifacts folder is outside of the cache.
mkdir -p "$HOME"/artifacts/ || true
function grab_artifacts () {
local artifacts
artifacts="$HOME/artifacts"
[ -d "$ANALYSIS_DIR" ] && (
cd "$ANALYSIS_DIR"
ls -lah
# Do not error out if no files found
shopt -s nullglob
set +e
local important
important=(refs.txt unnecessary.txt hazards.txt gcFunctions.txt allFunctions.txt heapWriteHazards.txt rootingHazards.json hazards.html)
# Bundle up the less important but still useful intermediate outputs,
# just to cut down on the clutter in treeherder's Job Details pane.
tar -acvf "${artifacts}/hazardIntermediates.tar.xz" --exclude-from <(IFS=$'\n'; echo "${important[*]}") *.txt *.lst build_xgill.log
# Upload the important outputs individually, so that they will be
# visible in Job Details and accessible to automated jobs.
for f in "${important[@]}"; do
gzip -9 -c "$f" > "${artifacts}/$f.gz"
done
# Check whether the user requested .xdb file upload in the top commit comment
if check_commit_msg "--upload-xdbs"; then
HAZ_UPLOAD_XDBS=1
fi
if [ -n "$HAZ_UPLOAD_XDBS" ]; then
for f in *.xdb; do
xz -c "$f" > "${artifacts}/$f.bz2"
done
fi
)
}
function check_hazards () {
(
set +e
NUM_HAZARDS=$(grep -c 'Function.*has unrooted.*live across GC call' "$1"/hazards.txt)
NUM_UNSAFE=$(grep -c '^Function.*takes unsafe address of unrooted' "$1"/refs.txt)
NUM_UNNECESSARY=$(grep -c '^Function.* has unnecessary root' "$1"/unnecessary.txt)
NUM_DROPPED=$(grep -c '^Dropped CFG' "$1"/build_xgill.log)
NUM_WRITE_HAZARDS=$(perl -lne 'print $1 if m!found (\d+)/\d+ allowed errors!' "$1"/heapWriteHazards.txt)
NUM_MISSING=$(grep -c '^Function.*expected hazard.*but none were found' "$1"/hazards.txt)
set +x
echo "TinderboxPrint: rooting hazards<br/>$NUM_HAZARDS"
echo "TinderboxPrint: (unsafe references to unrooted GC pointers)<br/>$NUM_UNSAFE"
echo "TinderboxPrint: (unnecessary roots)<br/>$NUM_UNNECESSARY"
echo "TinderboxPrint: missing expected hazards<br/>$NUM_MISSING"
echo "TinderboxPrint: heap write hazards<br/>$NUM_WRITE_HAZARDS"
# Display errors in a way that will get picked up by the taskcluster scraper.
perl -lne 'print "TEST-UNEXPECTED-FAIL | hazards | $1 $2" if /^Function.* has (unrooted .*live across GC call).* (at .*)$/' "$1"/hazards.txt
exit_status=0
if [ $NUM_HAZARDS -gt 0 ]; then
echo "TEST-UNEXPECTED-FAIL | hazards | $NUM_HAZARDS rooting hazards detected" >&2
echo "TinderboxPrint: documentation<br/><a href='https://wiki.mozilla.org/Javascript:Hazard_Builds#Diagnosing_a_rooting_hazards_failure'>static rooting hazard analysis failures</a>, visit \"Inspect Task\" link for hazard details"
exit_status=1
fi
if [ $NUM_MISSING -gt 0 ]; then
echo "TEST-UNEXPECTED-FAIL | hazards | $NUM_MISSING expected hazards went undetected" >&2
echo "TinderboxPrint: documentation<br/><a href='https://wiki.mozilla.org/Javascript:Hazard_Builds#Diagnosing_a_rooting_hazards_failure'>static rooting hazard analysis failures</a>, visit \"Inspect Task\" link for hazard details"
exit_status=1
fi
NUM_ALLOWED_WRITE_HAZARDS=0
if [ $NUM_WRITE_HAZARDS -gt $NUM_ALLOWED_WRITE_HAZARDS ]; then
echo "TEST-UNEXPECTED-FAIL | heap-write-hazards | $NUM_WRITE_HAZARDS heap write hazards detected out of $NUM_ALLOWED_WRITE_HAZARDS allowed" >&2
echo "TinderboxPrint: documentation<br/><a href='https://wiki.mozilla.org/Javascript:Hazard_Builds#Diagnosing_a_heap_write_hazard_failure'>heap write hazard analysis failures</a>, visit \"Inspect Task\" link for hazard details"
exit_status = 1
fi
if [ $NUM_DROPPED -gt 0 ]; then
echo "TEST-UNEXPECTED-FAIL | hazards | $NUM_DROPPED CFGs dropped" >&2
echo "TinderboxPrint: sixgill unable to handle constructs<br/>$NUM_DROPPED"
exit_status=1
fi
if [ $exit_status -ne 0 ]; then
exit $exit_status
fi
)
}
trap grab_artifacts EXIT
# Gather the information from the source tree by compiling it.
$GECKO_PATH/mach hazards gather --project=$PROJECT --work-dir="$ANALYSIS_DIR"
# Analyze the collected information.
$GECKO_PATH/mach hazards analyze --project=$PROJECT --shell-objdir="$HAZARD_SHELL_OBJDIR" --work-dir="$ANALYSIS_DIR"
check_hazards "$ANALYSIS_DIR"
################################### script end ###################################
|
