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>
diff --git a/util/all_tests.go b/util/all_tests.go
index 38899bb..d361651 100644
--- a/util/all_tests.go
+++ b/util/all_tests.go
@@ -33,6 +33,7 @@
var (
useValgrind = flag.Bool("valgrind", false, "If true, run code under valgrind")
+ useCallgrind = flag.Bool("callgrind", false, "If true, run code under valgrind to generate callgrind traces.")
useGDB = flag.Bool("gdb", false, "If true, run BoringSSL code under gdb")
buildDir = flag.String("build-dir", "build", "The build directory to run the tests from.")
numWorkers = flag.Int("num-workers", 1, "Runs the given number of workers when testing.")
@@ -113,6 +114,14 @@
return exec.Command("valgrind", valgrindArgs...)
}
+func callgrindOf(path string, args ...string) *exec.Cmd {
+ valgrindArgs := []string{"-q", "--tool=callgrind", "--dump-instr=yes", "--collect-jumps=yes", "--callgrind-out-file=" + *buildDir + "/callgrind/callgrind.out.%p"}
+ valgrindArgs = append(valgrindArgs, path)
+ valgrindArgs = append(valgrindArgs, args...)
+
+ return exec.Command("valgrind", valgrindArgs...)
+}
+
func gdbOf(path string, args ...string) *exec.Cmd {
xtermArgs := []string{"-e", "gdb", "--args"}
xtermArgs = append(xtermArgs, path)
@@ -135,6 +144,8 @@
var cmd *exec.Cmd
if *useValgrind {
cmd = valgrindOf(false, prog, args...)
+ } else if *useCallgrind {
+ cmd = callgrindOf(prog, args...)
} else if *useGDB {
cmd = gdbOf(prog, args...)
} else {
