2 * mono-co.c: Coverage profiler
5 * Copyright 2008-2009 Novell, Inc (http://www.novell.com)
7 #include <mono/metadata/profiler.h>
8 #include <mono/metadata/tokentype.h>
9 #include <mono/metadata/tabledefs.h>
10 #include <mono/metadata/debug-helpers.h>
11 #include <mono/metadata/assembly.h>
15 * Coverage profiler. Compile with:
16 * gcc -Wall -shared -o mono-profiler-cov.so mono-cov.c `pkg-config --cflags --libs mono`
17 * Install the binary where the dynamic loader can find it (/usr/local/lib, for example,
18 * or set the env var LD_LIBRARY_PATH to the directory where the file is).
20 * mono --profile=cov:yourassembly test_suite.exe
21 * mono --profile=cov:yourassembly/namespace test_suite.exe
24 struct _MonoProfiler {
28 MonoAssembly *assembly;
33 get_assembly (MonoAssembly* ass, MonoProfiler *prof)
35 if (strcmp (prof->assembly_name, mono_image_get_name (mono_assembly_get_image (ass))) == 0)
40 coverage_callback (MonoProfiler *prof, const MonoProfileCoverageEntry *entry)
47 if (entry->filename) {
48 cmsg = g_strdup_printf ("offset 0x%04x (%s: line: %d, col: %d)",
49 entry->iloffset, entry->filename, entry->line, entry->col);
51 cmsg = g_strdup_printf ("offset 0x%04x", entry->iloffset);
53 prof->bb_coverage = g_list_append (prof->bb_coverage, cmsg);
57 check_partial_coverage (MonoProfiler *prof, MonoMethod *method)
61 mono_profiler_coverage_get (prof, method, coverage_callback);
62 if (prof->bb_coverage) {
63 char *name = mono_method_full_name (method, TRUE);
64 g_print ("Partial coverage: %s\n", name);
66 for (tmp = prof->bb_coverage; tmp; tmp = tmp->next) {
67 g_print ("\t%s\n", (char*)tmp->data);
70 g_list_free (prof->bb_coverage);
71 prof->bb_coverage = NULL;
75 /* called at the end of the program */
77 cov_shutdown (MonoProfiler *prof)
84 mono_assembly_foreach ((GFunc)get_assembly, prof);
85 if (!prof->assembly) {
86 g_print ("Assembly '%s' was not loaded\n", prof->assembly_name);
89 image = mono_assembly_get_image (prof->assembly);
90 for (i = 1; i <= mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
92 method = mono_get_method (image, i | MONO_TOKEN_METHOD_DEF, NULL);
95 if ((mono_method_get_flags (method, NULL) & METHOD_ATTRIBUTE_ABSTRACT))
97 /* FIXME: handle icalls, runtime calls and synchronized methods */
98 if (prof->class_name && *prof->class_name) {
99 klass = mono_method_get_class (method);
100 if (!strstr (mono_class_get_name (klass), prof->class_name) && !strstr (mono_class_get_namespace (klass), prof->class_name))
103 /*g_print ("check %s::%s, %p\n", method->klass->name, method->name, method);*/
104 if (g_hash_table_lookup (prof->hash, method)) {
105 /* the method was executed: check it was fully covered */
106 check_partial_coverage (prof, method);
109 name = mono_method_full_name (method, TRUE);
110 g_print ("Not covered: %s\n", name);
116 cov_method_enter (MonoProfiler *prof, MonoMethod *method)
118 /*g_print ("enter %s::%s, %p\n", method->klass->name, method->name, method);*/
119 g_hash_table_insert (prof->hash, method, GINT_TO_POINTER (1));
123 cov_method_leave (MonoProfiler *prof, MonoMethod *method)
128 mono_profiler_startup (const char *desc);
130 /* the entry point */
132 mono_profiler_startup (const char *desc)
136 prof = g_new0 (MonoProfiler, 1);
137 prof->hash = g_hash_table_new (NULL, NULL);
138 if (strncmp ("cov:", desc, 4) == 0 && desc [4]) {
140 prof->assembly_name = g_strdup (desc + 4);
141 cname = strchr (prof->assembly_name, '/');
144 prof->class_name = cname + 1;
147 prof->assembly_name = g_strdup ("mscorlib");
150 mono_profiler_install (prof, cov_shutdown);
152 mono_profiler_install_enter_leave (cov_method_enter, cov_method_leave);
154 mono_profiler_set_events (MONO_PROFILE_ENTER_LEAVE | MONO_PROFILE_COVERAGE);