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[Mono] Fix C4018 round I #70417

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merged 12 commits into from
Jun 15, 2022
Merged

[Mono] Fix C4018 round I #70417

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95821e1
First round of change of fixing C4018
fanyang-mono Jun 8, 2022
131e472
Address part of review feedback
fanyang-mono Jun 9, 2022
c2beec2
Change the type of idx to unsigned for `effective_table_slow`
fanyang-mono Jun 9, 2022
df7ff81
Add idx range check after the type was changed
fanyang-mono Jun 9, 2022
26c0211
Address review feedback for `class-init.c`
fanyang-mono Jun 9, 2022
6de1d36
Change the return type of `*table_num_rows*` to `guint32`. Deal with …
fanyang-mono Jun 9, 2022
88a4eee
Update return type
fanyang-mono Jun 9, 2022
16a2c63
Address review feedbacks of metadata.c
fanyang-mono Jun 10, 2022
8dac7b9
Fix native crash
fanyang-mono Jun 10, 2022
80cda54
Make counter private to for-loop
fanyang-mono Jun 10, 2022
49f6b05
Address review feedbacks
fanyang-mono Jun 13, 2022
762975d
Address review feedbacks
fanyang-mono Jun 14, 2022
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2 changes: 1 addition & 1 deletion src/mono/mono/component/debugger-state-machine.c
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Expand Up @@ -298,7 +298,7 @@ mono_debugger_state (JsonWriter *writer)
mono_json_writer_object_key(writer, "breakpoints");
mono_json_writer_array_begin (writer);

for (int i=0; i < breakpoint_copy->len; i++) {
for (guint i=0; i < breakpoint_copy->len; i++) {
MonoBreakpoint *bp = (MonoBreakpoint *) g_ptr_array_index (breakpoint_copy, i);

mono_json_writer_indent (writer);
Expand Down
8 changes: 4 additions & 4 deletions src/mono/mono/component/hot_reload-stub.c
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Expand Up @@ -39,7 +39,7 @@ static void
hot_reload_stub_cleanup_on_close (MonoImage *image);

static void
hot_reload_stub_effective_table_slow (const MonoTableInfo **t, int idx);
hot_reload_stub_effective_table_slow (const MonoTableInfo **t, uint32_t idx);

static void
hot_reload_stub_close_except_pools_all (MonoImage *base_image);
Expand All @@ -62,7 +62,7 @@ hot_reload_stub_get_updated_method_ppdb (MonoImage *base_image, uint32_t idx);
static gboolean
hot_reload_stub_has_modified_rows (const MonoTableInfo *table);

static int
static guint32
hot_reload_stub_table_num_rows_slow (MonoImage *image, int table_index);

static uint32_t
Expand Down Expand Up @@ -183,7 +183,7 @@ hot_reload_stub_cleanup_on_close (MonoImage *image)
}

void
hot_reload_stub_effective_table_slow (const MonoTableInfo **t, int idx)
hot_reload_stub_effective_table_slow (const MonoTableInfo **t, uint32_t idx)
{
g_assert_not_reached ();
}
Expand Down Expand Up @@ -234,7 +234,7 @@ hot_reload_stub_has_modified_rows (const MonoTableInfo *table)
return FALSE;
}

static int
static guint32
hot_reload_stub_table_num_rows_slow (MonoImage *image, int table_index)
{
g_assert_not_reached (); /* should always take the fast path */
Expand Down
8 changes: 4 additions & 4 deletions src/mono/mono/component/hot_reload.c
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Expand Up @@ -63,7 +63,7 @@ static void
hot_reload_cleanup_on_close (MonoImage *image);

static void
hot_reload_effective_table_slow (const MonoTableInfo **t, int idx);
hot_reload_effective_table_slow (const MonoTableInfo **t, uint32_t idx);

static void
hot_reload_apply_changes (int origin, MonoImage *base_image, gconstpointer dmeta, uint32_t dmeta_len, gconstpointer dil, uint32_t dil_len, gconstpointer dpdb_bytes_orig, uint32_t dpdb_length, MonoError *error);
Expand Down Expand Up @@ -92,7 +92,7 @@ hot_reload_get_updated_method_ppdb (MonoImage *base_image, uint32_t idx);
static gboolean
hot_reload_has_modified_rows (const MonoTableInfo *table);

static int
static guint32
hot_reload_table_num_rows_slow (MonoImage *image, int table_index);

static GSList*
Expand Down Expand Up @@ -1041,7 +1041,7 @@ effective_table_mutant (MonoImage *base, BaselineInfo *info, int tbl_index, cons
}

void
hot_reload_effective_table_slow (const MonoTableInfo **t, int idx)
hot_reload_effective_table_slow (const MonoTableInfo **t, uint32_t idx G_GNUC_UNUSED)
{
/* FIXME: don't let any thread other than the updater thread see values from a delta image
* with a generation past update_published
Expand Down Expand Up @@ -2678,7 +2678,7 @@ hot_reload_has_modified_rows (const MonoTableInfo *table)
return info->any_modified_rows[tbl_index];
}

static int
static guint32
hot_reload_table_num_rows_slow (MonoImage *base, int table_index)
{
BaselineInfo *base_info = baseline_info_lookup (base);
Expand Down
4 changes: 2 additions & 2 deletions src/mono/mono/component/hot_reload.h
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Expand Up @@ -23,7 +23,7 @@ typedef struct _MonoComponentHotReload {
uint32_t (*thread_expose_published) (void);
uint32_t (*get_thread_generation) (void);
void (*cleanup_on_close) (MonoImage *image);
void (*effective_table_slow) (const MonoTableInfo **t, int idx);
void (*effective_table_slow) (const MonoTableInfo **t, uint32_t idx);
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void (*apply_changes) (int origin, MonoImage *base_image, gconstpointer dmeta, uint32_t dmeta_len, gconstpointer dil, uint32_t dil_len, gconstpointer dpdb_bytes_orig, uint32_t dpdb_length, MonoError *error);
void (*image_close_except_pools_all) (MonoImage *base_image);
void (*image_close_all) (MonoImage *base_image);
Expand All @@ -32,7 +32,7 @@ typedef struct _MonoComponentHotReload {
gboolean (*delta_heap_lookup) (MonoImage *base_image, MetadataHeapGetterFunc get_heap, uint32_t orig_index, MonoImage **image_out, uint32_t *index_out);
gpointer (*get_updated_method_ppdb) (MonoImage *base_image, uint32_t idx);
gboolean (*has_modified_rows) (const MonoTableInfo *table);
gboolean (*table_num_rows_slow) (MonoImage *base_image, int table_index);
uint32_t (*table_num_rows_slow) (MonoImage *base_image, int table_index);
uint32_t (*method_parent) (MonoImage *base_image, uint32_t method_index);
void* (*metadata_linear_search) (MonoImage *base_image, MonoTableInfo *base_table, const void *key, BinarySearchComparer comparer);
uint32_t (*field_parent) (MonoImage *base_image, uint32_t method_index);
Expand Down
2 changes: 1 addition & 1 deletion src/mono/mono/eglib/garray.c
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Expand Up @@ -229,7 +229,7 @@ g_array_set_size (GArray *array, gint length)
if (length == priv->capacity)
return; // nothing to be done

if (length > priv->capacity) {
if (GINT_TO_UINT(length) > priv->capacity) {
// grow the array
ensure_capacity (priv, length);
}
Expand Down
2 changes: 1 addition & 1 deletion src/mono/mono/eglib/gfile.c
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Expand Up @@ -133,7 +133,7 @@ g_file_set_contents (const gchar *filename, const gchar *contents, gssize length
if (length < 0)
length = strlen (contents);

if (fwrite (contents, 1, length, fp) < length) {
if (fwrite (contents, 1, length, fp) < GSSIZE_TO_SIZE(length)) {
g_set_error (err, G_FILE_ERROR, g_file_error_from_errno (ferror (fp)), "%s", g_strerror (ferror (fp)));
g_unlink (path);
g_free (path);
Expand Down
8 changes: 8 additions & 0 deletions src/mono/mono/eglib/glib.h
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Expand Up @@ -1440,6 +1440,9 @@ __CAST_STYPE_TO_UTYPE(gssize, guint32, UINT32_MAX)
__CAST_STYPE_TO_STYPE(gssize, gint, INT_MIN, INT_MAX)
__CAST_STYPE_TO_UTYPE(gssize, guint, UINT_MAX)

__CAST_STYPE_TO_UTYPE(gssize, gsize, SIZE_MAX)
__CAST_UTYPE_TO_STYPE(gsize, gssize, PTRDIFF_MIN, PTRDIFF_MAX)

__CAST_STYPE_TO_STYPE(gdouble, gint64, INT64_MIN, INT64_MAX)
__CAST_STYPE_TO_UTYPE(gdouble, guint64, UINT64_MAX)
__CAST_STYPE_TO_STYPE(gdouble, gint32, INT32_MIN, INT32_MAX)
Expand Down Expand Up @@ -1487,6 +1490,7 @@ __CAST_STYPE_TO_UTYPE(gint32, guint8, UINT8_MAX)

__CAST_STYPE_TO_UTYPE(gint32, guint, UINT_MAX)

__CAST_UTYPE_TO_UTYPE(guint32, guint, UINT_MAX)
__CAST_UTYPE_TO_STYPE(guint32, gint32, INT32_MIN, INT32_MAX)
__CAST_UTYPE_TO_STYPE(guint32, gint16, INT16_MIN, INT16_MAX)
__CAST_UTYPE_TO_UTYPE(guint32, guint16, UINT16_MAX)
Expand Down Expand Up @@ -1617,6 +1621,9 @@ __CAST_UTYPE_TO_STYPE(gunichar, gchar, CHAR_MIN, CHAR_MAX)
#define GSSIZE_TO_INT(v) G_CAST_TYPE_TO_TYPE(gssize, gint, v)
#define GSSIZE_TO_UINT(v) G_CAST_TYPE_TO_TYPE(gssize, guint, v)

#define GSSIZE_TO_SIZE(v) G_CAST_TYPE_TO_TYPE(gssize, gsize, v)
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#define GSIZE_TO_SSIZE(v) G_CAST_TYPE_TO_TYPE(gsize, gssize, v)

#define GDOUBLE_TO_INT64(v) G_CAST_TYPE_TO_TYPE(gdouble, gint64, v)
#define GDOUBLE_TO_UINT64(v) G_CAST_TYPE_TO_TYPE(gdouble, guint64, v)
#define GDOUBLE_TO_INT32(v) G_CAST_TYPE_TO_TYPE(gdouble, gint32, v)
Expand Down Expand Up @@ -1670,6 +1677,7 @@ __CAST_UTYPE_TO_STYPE(gunichar, gchar, CHAR_MIN, CHAR_MAX)

#define GINT32_TO_UINT(v) G_CAST_TYPE_TO_TYPE(gint32, guint, v)

#define GUINT32_TO_UINT(v) G_CAST_TYPE_TO_TYPE(guint32, guint, v)
#define GUINT32_TO_INT32(v) G_CAST_TYPE_TO_TYPE(guint32, gint32, v)
#define GUINT32_TO_INT16(v) G_CAST_TYPE_TO_TYPE(guint32, gint16, v)
#define GUINT32_TO_UINT16(v) G_CAST_TYPE_TO_TYPE(guint32, guint16, v)
Expand Down
2 changes: 1 addition & 1 deletion src/mono/mono/eglib/gptrarray.c
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Expand Up @@ -226,7 +226,7 @@ gboolean
g_ptr_array_find (GPtrArray *array, gconstpointer needle, guint *index)
{
g_assert (array);
for (int i = 0; i < array->len; i++) {
for (guint i = 0; i < array->len; i++) {
if (array->pdata [i] == needle) {
if (index)
*index = i;
Expand Down
10 changes: 5 additions & 5 deletions src/mono/mono/eventpipe/ep-rt-mono.c
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Expand Up @@ -1469,7 +1469,7 @@ eventpipe_fire_method_events (
il_offsets = (uint32_t*)events_data->buffer;
native_offsets = il_offsets + offset_entries;

for (int32_t offset_count = 0; offset_count < offset_entries; ++offset_count) {
for (uint32_t offset_count = 0; offset_count < offset_entries; ++offset_count) {
il_offsets [offset_count] = debug_info->line_numbers [offset_count].il_offset;
native_offsets [offset_count] = debug_info->line_numbers [offset_count].native_offset;
}
Expand Down Expand Up @@ -3106,7 +3106,7 @@ ep_rt_mono_fire_bulk_type_event (BulkTypeEventLogger *type_logger)

char *ptr = (char *)type_logger->bulk_type_event_buffer;

for (int type_value_index = 0; type_value_index < type_logger->bulk_type_value_count; type_value_index++) {
for (uint32_t type_value_index = 0; type_value_index < type_logger->bulk_type_value_count; type_value_index++) {
BulkTypeValue *target = &type_logger->bulk_type_values [type_value_index];

values_element_size += write_event_buffer_int64 (target->fixed_sized_data.type_id, ptr, &ptr);
Expand All @@ -3120,7 +3120,7 @@ ep_rt_mono_fire_bulk_type_event (BulkTypeEventLogger *type_logger)

values_element_size += write_event_buffer_int32 (target->type_parameters_count, ptr, &ptr);

for (int i = 0; i < target->type_parameters_count; i++) {
for (uint32_t i = 0; i < target->type_parameters_count; i++) {
uint64_t type_parameter = get_typeid_for_type (target->mono_type_parameters [i]);
values_element_size += write_event_buffer_int64 ((int64_t)type_parameter, ptr, &ptr);
}
Expand Down Expand Up @@ -3413,7 +3413,7 @@ ep_rt_mono_send_method_details_event (MonoMethod *method)
method_inst_parameter_types_count = method_inst->type_argc;

uint64_t *method_inst_parameters_type_ids = mono_mempool_alloc0 (type_logger->mem_pool, method_inst_parameter_types_count * sizeof (uint64_t));
for (int i = 0; i < method_inst_parameter_types_count; i++) {
for (uint32_t i = 0; i < method_inst_parameter_types_count; i++) {
method_inst_parameters_type_ids [i] = get_typeid_for_type (method_inst->type_argv [i]);

ep_rt_mono_log_type_and_parameters_if_necessary (type_logger, method_inst->type_argv [i]);
Expand Down Expand Up @@ -3524,7 +3524,7 @@ ep_rt_mono_write_event_method_il_to_native_map (
}
if (il_offsets) {
native_offsets = il_offsets + offset_entries;
for (int32_t offset_count = 0; offset_count < offset_entries; ++offset_count) {
for (uint32_t offset_count = 0; offset_count < offset_entries; ++offset_count) {
il_offsets [offset_count] = debug_info->line_numbers [offset_count].il_offset;
native_offsets [offset_count] = debug_info->line_numbers [offset_count].native_offset;
}
Expand Down
2 changes: 1 addition & 1 deletion src/mono/mono/eventpipe/ep-rt-mono.h
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Expand Up @@ -1460,7 +1460,7 @@ ep_rt_temp_path_get (

const ep_char8_t *path = g_get_tmp_dir ();
int32_t result = snprintf (buffer, buffer_len, "%s", path);
if (result <= 0 || result > buffer_len)
if (result <= 0 || GINT32_TO_UINT32(result) > buffer_len)
ep_raise_error ();

if (buffer [result - 1] != G_DIR_SEPARATOR) {
Expand Down
36 changes: 18 additions & 18 deletions src/mono/mono/metadata/class-init.c
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Expand Up @@ -436,7 +436,7 @@ mono_class_create_from_typedef (MonoImage *image, guint32 type_token, MonoError
MonoClass *klass, *parent = NULL;
guint32 cols [MONO_TYPEDEF_SIZE];
guint32 cols_next [MONO_TYPEDEF_SIZE];
guint tidx = mono_metadata_token_index (type_token);
guint32 tidx = mono_metadata_token_index (type_token);
MonoGenericContext *context = NULL;
const char *name, *nspace;
guint icount = 0;
Expand Down Expand Up @@ -2020,7 +2020,8 @@ mono_class_layout_fields (MonoClass *klass, int base_instance_size, int packing_
int i;
const int top = mono_class_get_field_count (klass);
guint32 layout = mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK;
guint32 pass, passes, real_size;
guint32 pass, passes;
gint32 real_size;
gboolean gc_aware_layout = FALSE;
gboolean has_static_fields = FALSE;
gboolean has_references = FALSE;
Expand Down Expand Up @@ -2270,8 +2271,7 @@ mono_class_layout_fields (MonoClass *klass, int base_instance_size, int packing_
case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT: {
real_size = 0;
for (i = 0; i < top; i++) {
gint32 align;
guint32 size;
gint32 align, size;
MonoType *ftype;

field = &klass->fields [i];
Expand Down Expand Up @@ -2815,7 +2815,7 @@ mono_get_unique_iid (MonoClass *klass)

iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
if (iid < 0) {
int old_size = mono_bitset_size (global_interface_bitset);
guint32 old_size = mono_bitset_size (global_interface_bitset);
MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
mono_bitset_free (global_interface_bitset);
global_interface_bitset = new_set;
Expand All @@ -2825,7 +2825,7 @@ mono_get_unique_iid (MonoClass *klass)
/* set the bit also in the per-image set */
if (!mono_class_is_ginst (klass)) {
if (klass->image->interface_bitset) {
if (iid >= mono_bitset_size (klass->image->interface_bitset)) {
if (GINT_TO_UINT32(iid) >= mono_bitset_size (klass->image->interface_bitset)) {
MonoBitSet *new_set = mono_bitset_clone (klass->image->interface_bitset, iid + 1);
mono_bitset_free (klass->image->interface_bitset);
klass->image->interface_bitset = new_set;
Expand Down Expand Up @@ -3567,12 +3567,11 @@ mono_class_setup_methods (MonoClass *klass)
void
mono_class_setup_properties (MonoClass *klass)
{
guint startm, endm, i, j;
guint startm, endm;
guint32 cols [MONO_PROPERTY_SIZE];
MonoTableInfo *msemt = &klass->image->tables [MONO_TABLE_METHODSEMANTICS];
MonoProperty *properties;
guint32 last;
int first, count;
guint32 first, last, count;
MonoClassPropertyInfo *info;

info = mono_class_get_property_info (klass);
Expand All @@ -3590,7 +3589,7 @@ mono_class_setup_properties (MonoClass *klass)
MonoClassPropertyInfo *ginfo = mono_class_get_property_info (gklass);
properties = mono_class_new0 (klass, MonoProperty, ginfo->count + 1);

for (i = 0; i < ginfo->count; i++) {
for (guint32 i = 0; i < ginfo->count; i++) {
ERROR_DECL (error);
MonoProperty *prop = &properties [i];

Expand All @@ -3611,6 +3610,7 @@ mono_class_setup_properties (MonoClass *klass)
count = ginfo->count;
} else {
first = mono_metadata_properties_from_typedef (klass->image, mono_metadata_token_index (klass->type_token) - 1, &last);
g_assert ((last - first) >= 0);
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count = last - first;

if (count) {
Expand All @@ -3620,15 +3620,15 @@ mono_class_setup_properties (MonoClass *klass)
}

properties = (MonoProperty *)mono_class_alloc0 (klass, sizeof (MonoProperty) * count);
for (i = first; i < last; ++i) {
for (guint32 i = first; i < last; ++i) {
mono_metadata_decode_table_row (klass->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
properties [i - first].parent = klass;
properties [i - first].attrs = cols [MONO_PROPERTY_FLAGS];
properties [i - first].name = mono_metadata_string_heap (klass->image, cols [MONO_PROPERTY_NAME]);

startm = mono_metadata_methods_from_property (klass->image, i, &endm);
int first_idx = mono_class_get_first_method_idx (klass);
for (j = startm; j < endm; ++j) {
for (guint j = startm; j < endm; ++j) {
MonoMethod *method;

mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
Expand Down Expand Up @@ -3690,11 +3690,10 @@ inflate_method_listz (MonoMethod **methods, MonoClass *klass, MonoGenericContext
void
mono_class_setup_events (MonoClass *klass)
{
int first, count;
guint startm, endm, i, j;
guint32 first, last, count;
guint startm, endm;
guint32 cols [MONO_EVENT_SIZE];
MonoTableInfo *msemt = &klass->image->tables [MONO_TABLE_METHODSEMANTICS];
guint32 last;
MonoEvent *events;

MonoClassEventInfo *info = mono_class_get_event_info (klass);
Expand All @@ -3718,7 +3717,7 @@ mono_class_setup_events (MonoClass *klass)
if (count)
context = mono_class_get_context (klass);

for (i = 0; i < count; i++) {
for (guint32 i = 0; i < count; i++) {
ERROR_DECL (error);
MonoEvent *event = &events [i];
MonoEvent *gevent = &ginfo->events [i];
Expand All @@ -3739,6 +3738,7 @@ mono_class_setup_events (MonoClass *klass)
}
} else {
first = mono_metadata_events_from_typedef (klass->image, mono_metadata_token_index (klass->type_token) - 1, &last);
g_assert ((last - first) >= 0);
count = last - first;

if (count) {
Expand All @@ -3749,7 +3749,7 @@ mono_class_setup_events (MonoClass *klass)
}

events = (MonoEvent *)mono_class_alloc0 (klass, sizeof (MonoEvent) * count);
for (i = first; i < last; ++i) {
for (guint32 i = first; i < last; ++i) {
MonoEvent *event = &events [i - first];

mono_metadata_decode_table_row (klass->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
Expand All @@ -3759,7 +3759,7 @@ mono_class_setup_events (MonoClass *klass)

startm = mono_metadata_methods_from_event (klass->image, i, &endm);
int first_idx = mono_class_get_first_method_idx (klass);
for (j = startm; j < endm; ++j) {
for (guint j = startm; j < endm; ++j) {
MonoMethod *method;

mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
Expand Down
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