--- /dev/null
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <ctype.h>
+#include "build-coverage.h"
+
+/* Note: we already test safe_mode in run_tests.c */
+static const char *can_run_coverage(struct manifest *m)
+{
+ unsigned int timeleft = default_timeout_ms;
+ char *output = run_command(m, &timeleft, "gcov -h");
+
+ if (output)
+ return talloc_asprintf(m, "No gcov support: %s", output);
+ return NULL;
+}
+
+static char *build_module_objs_with_coverage(struct manifest *m, bool keep,
+ char **modobjs)
+{
+ struct ccan_file *i;
+
+ *modobjs = talloc_strdup(m, "");
+ list_for_each(&m->c_files, i, list) {
+ char *err;
+ char *fullfile = talloc_asprintf(m, "%s/%s", m->dir, i->name);
+
+ i->cov_compiled = maybe_temp_file(m, "", keep, fullfile);
+ err = compile_object(m, fullfile, ccan_dir, "",
+ i->cov_compiled);
+ if (err) {
+ talloc_free(i->cov_compiled);
+ return err;
+ }
+ *modobjs = talloc_asprintf_append(*modobjs,
+ " %s", i->cov_compiled);
+ }
+ return NULL;
+}
+
+static char *obj_list(const struct manifest *m, const char *modobjs)
+{
+ char *list;
+ struct ccan_file *i;
+
+ /* We expect to be linked with tap, unless that's us. */
+ if (!streq(m->basename, "tap"))
+ list = talloc_asprintf(m, "%s/ccan/tap.o", ccan_dir);
+ else
+ list = talloc_strdup(m, "");
+
+ /* Objects from any other C files. */
+ list_for_each(&m->other_test_c_files, i, list)
+ list = talloc_asprintf_append(list, " %s", i->compiled);
+
+ if (modobjs)
+ list = talloc_append_string(list, modobjs);
+
+ /* Other ccan modules (don't need coverage versions of those). */
+ list_for_each(&m->dep_dirs, i, list) {
+ if (i->compiled)
+ list = talloc_asprintf_append(list, " %s", i->compiled);
+ }
+
+ return list;
+}
+
+static char *lib_list(const struct manifest *m)
+{
+ unsigned int i, num;
+ char **libs = get_libs(m, ".", &num, &m->info_file->compiled);
+ char *ret = talloc_strdup(m, "");
+
+ for (i = 0; i < num; i++)
+ ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
+ return ret;
+}
+
+/* Grrr... gcov drops a turd in the current directory. */
+void move_gcov_turd(const char *dir,
+ struct ccan_file *file, const char *extension)
+{
+ char *base, *gcovfile, *gcovdest;
+
+ base = talloc_basename(file, file->name);
+ gcovfile = talloc_asprintf(file, "%s/%.*s%s",
+ dir, strlen(base)-2, base, extension);
+ gcovdest = talloc_asprintf(file, "%s/%.*s%s",
+ talloc_dirname(base, file->cov_compiled),
+ strlen(base)-2, base, extension);
+ if (!move_file(gcovfile, gcovdest))
+ err(1, "Could not move %s to %s", gcovfile, gcovdest);
+ talloc_free(base);
+}
+
+static char *cov_compile(const void *ctx,
+ struct manifest *m,
+ struct ccan_file *file,
+ const char *modobjs,
+ bool keep)
+{
+ char *errmsg;
+ char path[PATH_MAX];
+
+ file->cov_compiled = maybe_temp_file(ctx, "", keep, file->fullname);
+ errmsg = compile_and_link(ctx, file->fullname, ccan_dir,
+ obj_list(m, modobjs),
+ COVERAGE_CFLAGS,
+ lib_list(m), file->cov_compiled);
+ if (errmsg) {
+ talloc_free(file->cov_compiled);
+ return errmsg;
+ }
+
+ move_gcov_turd(getcwd(path, sizeof(path)), file, ".gcno");
+ return NULL;
+}
+
+struct compile_tests_result {
+ struct list_node list;
+ const char *filename;
+ const char *description;
+ const char *output;
+};
+
+static void *do_compile_coverage_tests(struct manifest *m,
+ bool keep,
+ unsigned int *timeleft)
+{
+ struct list_head *list = talloc(m, struct list_head);
+ char *cmdout, *modobjs = NULL;
+ struct ccan_file *i;
+ struct compile_tests_result *res;
+
+ list_head_init(list);
+
+ if (!list_empty(&m->api_tests)) {
+ cmdout = build_module_objs_with_coverage(m, keep, &modobjs);
+ if (cmdout) {
+ res = talloc(list, struct compile_tests_result);
+ res->filename = "Module objects with coverage";
+ res->description = "failed to compile";
+ res->output = talloc_steal(res, cmdout);
+ list_add_tail(list, &res->list);
+ return list;
+ }
+ }
+
+ list_for_each(&m->run_tests, i, list) {
+ compile_tests.total_score++;
+ cmdout = cov_compile(m, m, i, NULL, keep);
+ if (cmdout) {
+ res = talloc(list, struct compile_tests_result);
+ res->filename = i->name;
+ res->description = "failed to compile";
+ res->output = talloc_steal(res, cmdout);
+ list_add_tail(list, &res->list);
+ }
+ }
+
+ list_for_each(&m->api_tests, i, list) {
+ compile_tests.total_score++;
+ cmdout = cov_compile(m, m, i, modobjs, keep);
+ if (cmdout) {
+ res = talloc(list, struct compile_tests_result);
+ res->filename = i->name;
+ res->description = "failed to compile";
+ res->output = talloc_steal(res, cmdout);
+ list_add_tail(list, &res->list);
+ }
+ }
+
+ if (list_empty(list)) {
+ talloc_free(list);
+ list = NULL;
+ }
+
+ return list;
+}
+
+static const char *describe_compile_coverage_tests(struct manifest *m,
+ void *check_result)
+{
+ struct list_head *list = check_result;
+ struct compile_tests_result *i;
+ char *descrip;
+
+ descrip = talloc_strdup(list,
+ "Compilation of tests for coverage failed:\n");
+
+ list_for_each(list, i, list)
+ descrip = talloc_asprintf_append(descrip, "%s %s\n%s",
+ i->filename, i->description,
+ i->output);
+ return descrip;
+}
+
+struct ccanlint compile_coverage_tests = {
+ .key = "compile-coverage-tests",
+ .name = "Module tests compile with profiling",
+ .check = do_compile_coverage_tests,
+ .describe = describe_compile_coverage_tests,
+ .can_run = can_run_coverage,
+};
+
+REGISTER_TEST(compile_coverage_tests, &compile_tests, NULL);
projects / ccan / blobdiff