boringssl/util/generate-coverage.sh
Steven Valdez ab14a4a440 Adding scripts to generate line coverage.
Uses LCOV for C(++) line coverage and Valgrind's Callgrind tool to
generate assembly-level line coverage for the generated assembly
code.

BUG=590332

Change-Id: Ic70300a272c38f4fa6dd615747db568aa0853584
Reviewed-on: https://boringssl-review.googlesource.com/7251
Reviewed-by: David Benjamin <davidben@google.com>
2016-03-03 23:33:48 +00:00

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#!/bin/sh
# Copyright (c) 2016, Google Inc.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
set -xe
SRC=$PWD
BUILD=$(mktemp -d '/tmp/boringssl.XXXXXX')
BUILD_SRC=$(mktemp -d '/tmp/boringssl-src.XXXXXX')
LCOV=$(mktemp -d '/tmp/boringssl-lcov.XXXXXX')
if [ -n "$1" ]; then
LCOV=$(readlink -f "$1")
mkdir -p "$LCOV"
fi
cd "$BUILD"
cmake "$SRC" -GNinja -DCMAKE_C_FLAGS='-fprofile-arcs -ftest-coverage' \
-DCMAKE_CXX_FLAGS='-fprofile-arcs -ftest-coverage' -DCMAKE_ASM_FLAGS='-Wa,-g'
ninja
cp -r "$SRC/crypto" "$SRC/decrepit" "$SRC/include" "$SRC/ssl" "$SRC/tool" \
"$BUILD_SRC"
cp -r "$BUILD"/* "$BUILD_SRC"
mkdir "$BUILD/callgrind/"
cd "$SRC"
go run "$SRC/util/all_tests.go" -build-dir "$BUILD" -callgrind -num-workers 16
util/generate-asm-lcov.py "$BUILD/callgrind" "$BUILD" > "$BUILD/asm.info"
go run "util/all_tests.go" -build-dir "$BUILD"
cd "$SRC/ssl/test/runner"
go test -shim-path "$BUILD/ssl/test/bssl_shim" -num-workers 1
cd "$LCOV"
lcov -c -d "$BUILD" -b "$BUILD" -o "$BUILD/lcov.info"
lcov -r "$BUILD/lcov.info" "*_test.c" -o "$BUILD/lcov-1.info"
lcov -r "$BUILD/lcov-1.info" "*_test.cc" -o "$BUILD/lcov-2.info"
cat "$BUILD/lcov-2.info" "$BUILD/asm.info" > "$BUILD/final.info"
sed -i "s;$BUILD;$BUILD_SRC;g" "$BUILD/final.info"
sed -i "s;$SRC;$BUILD_SRC;g" "$BUILD/final.info"
genhtml -p "$BUILD_SRC" "$BUILD/final.info"
rm -rf "$BUILD"
rm -rf "$BUILD_SRC"
xdg-open index.html