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-rw-r--r--t/valgrind/.gitignore2
-rwxr-xr-xt/valgrind/analyze.sh127
-rw-r--r--t/valgrind/default.supp51
-rwxr-xr-xt/valgrind/valgrind.sh40
4 files changed, 220 insertions, 0 deletions
diff --git a/t/valgrind/.gitignore b/t/valgrind/.gitignore
new file mode 100644
index 0000000..d4ae667
--- /dev/null
+++ b/t/valgrind/.gitignore
@@ -0,0 +1,2 @@
+/bin/
+/templates
diff --git a/t/valgrind/analyze.sh b/t/valgrind/analyze.sh
new file mode 100755
index 0000000..2ffc80f
--- /dev/null
+++ b/t/valgrind/analyze.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+
+# Get TEST_OUTPUT_DIRECTORY from GIT-BUILD-OPTIONS if it's there...
+. "$(dirname "$0")/../../GIT-BUILD-OPTIONS"
+# ... otherwise set it to the default value.
+: ${TEST_OUTPUT_DIRECTORY=$(dirname "$0")/..}
+
+output=
+count=0
+total_count=0
+missing_message=
+new_line='
+'
+
+# start outputting the current valgrind error in $out_prefix.++$count,
+# and the test case which failed in the corresponding .message file
+start_output () {
+ test -z "$output" || return
+
+ # progress
+ total_count=$(($total_count+1))
+ test -t 2 && printf "\rFound %d errors" $total_count >&2
+
+ count=$(($count+1))
+ output=$out_prefix.$count
+ : > $output
+
+ echo "*** $1 ***" > $output.message
+}
+
+finish_output () {
+ test ! -z "$output" || return
+ output=
+
+ # if a test case has more than one valgrind error, we need to
+ # copy the last .message file to the previous errors
+ test -z "$missing_message" || {
+ while test $missing_message -lt $count
+ do
+ cp $out_prefix.$count.message \
+ $out_prefix.$missing_message.message
+ missing_message=$(($missing_message+1))
+ done
+ missing_message=
+ }
+}
+
+# group the valgrind errors by backtrace
+output_all () {
+ last_line=
+ j=0
+ i=1
+ while test $i -le $count
+ do
+ # output <number> <backtrace-in-one-line>
+ echo "$i $(tr '\n' ' ' < $out_prefix.$i)"
+ i=$(($i+1))
+ done |
+ sort -t ' ' -k 2 | # order by <backtrace-in-one-line>
+ while read number line
+ do
+ # find duplicates, do not output backtrace twice
+ if test "$line" != "$last_line"
+ then
+ last_line=$line
+ j=$(($j+1))
+ printf "\nValgrind error $j:\n\n"
+ cat $out_prefix.$number
+ printf "\nfound in:\n"
+ fi
+ # print the test case where this came from
+ printf "\n"
+ cat $out_prefix.$number.message
+ done
+}
+
+handle_one () {
+ OLDIFS=$IFS
+ IFS="$new_line"
+ while read line
+ do
+ case "$line" in
+ # backtrace, possibly a new one
+ ==[0-9]*)
+
+ # Does the current valgrind error have a message yet?
+ case "$output" in
+ *.message)
+ test -z "$missing_message" &&
+ missing_message=$count
+ output=
+ esac
+
+ start_output $(basename $1)
+ echo "$line" |
+ sed 's/==[0-9]*==/==valgrind==/' >> $output
+ ;;
+ # end of backtrace
+ '}')
+ test -z "$output" || {
+ echo "$line" >> $output
+ test $output = ${output%.message} &&
+ output=$output.message
+ }
+ ;;
+ # end of test case
+ '')
+ finish_output
+ ;;
+ # normal line; if $output is set, print the line
+ *)
+ test -z "$output" || echo "$line" >> $output
+ ;;
+ esac
+ done < $1
+ IFS=$OLDIFS
+
+ # just to be safe
+ finish_output
+}
+
+for test_script in "$TEST_OUTPUT_DIRECTORY"/test-results/*.out
+do
+ handle_one $test_script
+done
+
+output_all
diff --git a/t/valgrind/default.supp b/t/valgrind/default.supp
new file mode 100644
index 0000000..0a6724f
--- /dev/null
+++ b/t/valgrind/default.supp
@@ -0,0 +1,51 @@
+{
+ ignore-zlib-errors-cond
+ Memcheck:Cond
+ obj:*libz.so*
+}
+
+{
+ ignore-zlib-errors-value8
+ Memcheck:Value8
+ obj:*libz.so*
+}
+
+{
+ ignore-zlib-errors-value4
+ Memcheck:Value4
+ obj:*libz.so*
+}
+
+{
+ ignore-ldso-cond
+ Memcheck:Cond
+ obj:*ld-*.so
+}
+
+{
+ ignore-ldso-addr8
+ Memcheck:Addr8
+ obj:*ld-*.so
+}
+
+{
+ ignore-ldso-addr4
+ Memcheck:Addr4
+ obj:*ld-*.so
+}
+
+{
+ writing-data-from-zlib-triggers-even-more-errors
+ Memcheck:Param
+ write(buf)
+ obj:/lib/ld-*.so
+ fun:write_in_full
+ fun:write_buffer
+ fun:write_loose_object
+}
+
+{
+ ignore-sse-strlen-invalid-read-size
+ Memcheck:Addr4
+ fun:copy_ref
+}
diff --git a/t/valgrind/valgrind.sh b/t/valgrind/valgrind.sh
new file mode 100755
index 0000000..669ebaf
--- /dev/null
+++ b/t/valgrind/valgrind.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+base=$(basename "$0")
+case "$base" in
+test-*)
+ program="$GIT_VALGRIND/../../t/helper/$base"
+ ;;
+*)
+ program="$GIT_VALGRIND/../../$base"
+ ;;
+esac
+
+TOOL_OPTIONS='--leak-check=no'
+
+test -z "$GIT_VALGRIND_ENABLED" &&
+exec "$program" "$@"
+
+case "$GIT_VALGRIND_MODE" in
+memcheck-fast)
+ ;;
+memcheck)
+ VALGRIND_VERSION=$(valgrind --version)
+ VALGRIND_MAJOR=$(expr "$VALGRIND_VERSION" : '[^0-9]*\([0-9]*\)')
+ VALGRIND_MINOR=$(expr "$VALGRIND_VERSION" : '[^0-9]*[0-9]*\.\([0-9]*\)')
+ test 3 -gt "$VALGRIND_MAJOR" ||
+ test 3 -eq "$VALGRIND_MAJOR" -a 4 -gt "$VALGRIND_MINOR" ||
+ TOOL_OPTIONS="$TOOL_OPTIONS --track-origins=yes"
+ ;;
+*)
+ TOOL_OPTIONS="--tool=$GIT_VALGRIND_MODE"
+esac
+
+exec valgrind -q --error-exitcode=126 \
+ --gen-suppressions=all \
+ --suppressions="$GIT_VALGRIND/default.supp" \
+ $TOOL_OPTIONS \
+ --log-fd=4 \
+ --input-fd=4 \
+ $GIT_VALGRIND_OPTIONS \
+ "$program" "$@"