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kernel32/tests: Test FLS data storage structures. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2020-10-06 13:04:48 +03:00 committed by Alexandre Julliard
parent 905deff5da
commit 767fa07092
1 changed files with 234 additions and 5 deletions
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239
dlls/kernel32/tests/fiber.c
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@ -41,6 +41,7 @@ static NTSTATUS (WINAPI *pRtlFlsAlloc)(PFLS_CALLBACK_FUNCTION,DWORD*);
static NTSTATUS (WINAPI *pRtlFlsFree)(ULONG);
static NTSTATUS (WINAPI *pRtlFlsSetValue)(ULONG,void *);
static NTSTATUS (WINAPI *pRtlFlsGetValue)(ULONG,void **);
static void (WINAPI *pRtlProcessFlsData)(void *fls_data, ULONG flags);
static void *fibers[3];
static BYTE testparam = 185;
static DWORD fls_index_to_set = FLS_OUT_OF_INDEXES;
@ -74,6 +75,7 @@ static VOID init_funcs(void)
X(RtlFlsFree);
X(RtlFlsSetValue);
X(RtlFlsGetValue);
X(RtlProcessFlsData);
#undef X
}
@ -89,6 +91,10 @@ static VOID WINAPI FiberLocalStorageProc(PVOID lpFlsData)
static VOID WINAPI FiberMainProc(LPVOID lpFiberParameter)
{
BYTE *tparam = (BYTE *)lpFiberParameter;
TEB *teb = NtCurrentTeb();
ok(!teb->FlsSlots, "Got unexpected FlsSlots %p.\n", teb->FlsSlots);
fiberCount++;
ok(*tparam == 185, "Parameterdata expected not to be changed\n");
if (fls_index_to_set != FLS_OUT_OF_INDEXES)
@ -96,13 +102,17 @@ static VOID WINAPI FiberMainProc(LPVOID lpFiberParameter)
void* ret;
BOOL bret;
SetLastError( 0xdeadbeef );
ret = pFlsGetValue(fls_index_to_set);
ok(ret == NULL, "FlsGetValue returned %p, expected NULL\n", ret);
ok(GetLastError() == ERROR_INVALID_PARAMETER, "Got unexpected error %u.\n", GetLastError());
/* Set the FLS value */
bret = pFlsSetValue(fls_index_to_set, fls_value_to_set);
ok(bret, "FlsSetValue failed with error %u\n", GetLastError());
ok(!!teb->FlsSlots, "Got unexpected FlsSlots %p.\n", teb->FlsSlots);
/* Verify that FlsGetValue retrieves the value set by FlsSetValue */
SetLastError( 0xdeadbeef );
ret = pFlsGetValue(fls_index_to_set);
@ -190,14 +200,59 @@ static void test_FiberHandling(void)
#define FLS_TEST_INDEX_COUNT 4096
static unsigned int check_linked_list(const LIST_ENTRY *le, const LIST_ENTRY *search_entry, unsigned int *index_found)
{
unsigned int count = 0;
LIST_ENTRY *entry;
*index_found = ~0;
for (entry = le->Flink; entry != le; entry = entry->Flink)
{
if (entry == search_entry)
{
ok(*index_found == ~0, "Duplicate list entry.\n");
*index_found = count;
}
++count;
}
return count;
}
static void WINAPI test_fls_callback(void *data)
{
}
static unsigned int test_fls_chunk_size(unsigned int chunk_index)
{
return 0x10 << chunk_index;
}
static unsigned int test_fls_chunk_index_from_index(unsigned int index, unsigned int *index_in_chunk)
{
unsigned int chunk_index = 0;
while (index >= test_fls_chunk_size(chunk_index))
index -= test_fls_chunk_size(chunk_index++);
*index_in_chunk = index;
return chunk_index;
}
static void test_FiberLocalStorage(void)
{
static DWORD fls_indices[FLS_TEST_INDEX_COUNT];
unsigned int i, count;
unsigned int i, j, count, entry_count, index;
LIST_ENTRY *fls_list_head, saved_entry;
TEB_FLS_DATA *fls_data, *new_fls_data;
GLOBAL_FLS_DATA *g_fls_data;
TEB *teb = NtCurrentTeb();
PEB *peb = teb->Peb;
DWORD fls, fls_2;
NTSTATUS status;
BOOL ret;
SIZE_T size;
void* val;
BOOL ret;
if (!pFlsAlloc || !pFlsSetValue || !pFlsGetValue || !pFlsFree)
{
@ -220,7 +275,7 @@ static void test_FiberLocalStorage(void)
for (i = 0; i < FLS_TEST_INDEX_COUNT; ++i)
{
fls_indices[i] = 0xdeadbeef;
status = pRtlFlsAlloc(NULL, &fls_indices[i]);
status = pRtlFlsAlloc(test_fls_callback, &fls_indices[i]);
ok(!status || status == STATUS_NO_MEMORY, "Got unexpected status %#x.\n", status);
if (status)
{
@ -234,9 +289,171 @@ static void test_FiberLocalStorage(void)
}
}
count = i;
fls_data = teb->FlsSlots;
/* FLS limits are increased since Win10 18312. */
ok(count && (count <= 127 || (count > 4000 && count < 4096)), "Got unexpected count %u.\n", count);
if (!peb->FlsCallback)
{
ok(pRtlFlsSetValue && pRtlFlsGetValue, "Missing RtlFlsGetValue / RtlFlsSetValue.\n");
ok(!peb->FlsBitmap, "Got unexpected FlsBitmap %p.\n", peb->FlsBitmap);
ok(!peb->FlsListHead.Flink && !peb->FlsListHead.Blink, "Got nonzero FlsListHead.\n");
ok(!peb->FlsHighIndex, "Got unexpected FlsHighIndex %u.\n", peb->FlsHighIndex);
fls_list_head = fls_data->fls_list_entry.Flink;
entry_count = check_linked_list(fls_list_head, &fls_data->fls_list_entry, &index);
ok(entry_count == 1, "Got unexpected count %u.\n", entry_count);
ok(!index, "Got unexpected index %u.\n", index);
g_fls_data = CONTAINING_RECORD(fls_list_head, GLOBAL_FLS_DATA, fls_list_head);
ok(g_fls_data->fls_high_index == 0xfef, "Got unexpected fls_high_index %#x.\n", g_fls_data->fls_high_index);
for (i = 0; i < 8; ++i)
{
ok(!!g_fls_data->fls_callback_chunks[i], "Got zero fls_callback_chunks[%u].\n", i);
ok(g_fls_data->fls_callback_chunks[i]->count == test_fls_chunk_size(i),
"Got unexpected g_fls_data->fls_callback_chunks[%u]->count %u.\n",
i, g_fls_data->fls_callback_chunks[i]->count);
size = HeapSize(GetProcessHeap(), 0, g_fls_data->fls_callback_chunks[i]);
ok(size == sizeof(ULONG_PTR) + sizeof(FLS_CALLBACK) * test_fls_chunk_size(i),
"Got unexpected size %p.\n", (void *)size);
ok(!!fls_data->fls_data_chunks[i], "Got zero fls_data->fls_data_chunks[%u].\n", i);
ok(!fls_data->fls_data_chunks[i][0], "Got unexpected fls_data->fls_data_chunks[%u][0] %p.\n",
i, fls_data->fls_data_chunks[i][0]);
size = HeapSize(GetProcessHeap(), 0, fls_data->fls_data_chunks[i]);
ok(size == sizeof(void *) * (test_fls_chunk_size(i) + 1), "Got unexpected size %p.\n", (void *)size);
if (!i)
{
ok(g_fls_data->fls_callback_chunks[0]->callbacks[0].callback == (void *)~(ULONG_PTR)0,
"Got unexpected callback %p.\n",
g_fls_data->fls_callback_chunks[0]->callbacks[0].callback);
}
for (j = i ? 0 : fls_indices[0]; j < test_fls_chunk_size(i); ++j)
{
ok(!g_fls_data->fls_callback_chunks[i]->callbacks[j].unknown,
"Got unexpected unknown %p, i %u, j %u.\n",
g_fls_data->fls_callback_chunks[i]->callbacks[j].unknown, i, j);
ok(g_fls_data->fls_callback_chunks[i]->callbacks[j].callback == test_fls_callback,
"Got unexpected callback %p, i %u, j %u.\n",
g_fls_data->fls_callback_chunks[i]->callbacks[j].callback, i, j);
}
}
for (i = 0; i < count; ++i)
{
j = test_fls_chunk_index_from_index(fls_indices[i], &index);
ok(fls_data->fls_data_chunks[j][index + 1] == (void *)(ULONG_PTR)(i + 1),
"Got unexpected FLS value %p, i %u, j %u, index %u.\n",
fls_data->fls_data_chunks[j][index + 1], i, j, index);
}
j = test_fls_chunk_index_from_index(fls_indices[0x10], &index);
g_fls_data->fls_callback_chunks[j]->callbacks[index].callback = NULL;
status = pRtlFlsFree(fls_indices[0x10]);
ok(status == STATUS_INVALID_PARAMETER, "Got unexpected status %#x.\n", status);
g_fls_data->fls_callback_chunks[j]->callbacks[index].callback = test_fls_callback;
status = pRtlFlsFree(fls_indices[0x10]);
ok(!status, "Got unexpected status %#x.\n", status);
ok(!fls_data->fls_data_chunks[j][0], "Got unexpected fls_data->fls_data_chunks[%u][0] %p.\n",
j, fls_data->fls_data_chunks[j][0]);
ok(!g_fls_data->fls_callback_chunks[j]->callbacks[index].callback,
"Got unexpected callback %p.\n",
g_fls_data->fls_callback_chunks[j]->callbacks[index].callback);
fls_data->fls_data_chunks[j][index + 1] = (void *)(ULONG_PTR)0x28;
status = pRtlFlsAlloc(test_fls_callback, &i);
ok(!status, "Got unexpected status %#x.\n", status);
ok(i == fls_indices[0x10], "Got unexpected index %u.\n", i);
ok(fls_data->fls_data_chunks[j][index + 1] == (void *)(ULONG_PTR)0x28, "Got unexpected data %p.\n",
fls_data->fls_data_chunks[j][index + 1]);
status = pRtlFlsSetValue(i, (void *)(ULONG_PTR)0x11);
ok(!status, "Got unexpected status %#x.\n", status);
teb->FlsSlots = NULL;
val = (void *)0xdeadbeef;
status = pRtlFlsGetValue(fls_indices[1], &val);
new_fls_data = teb->FlsSlots;
ok(status == STATUS_INVALID_PARAMETER, "Got unexpected status %#x.\n", status);
ok(val == (void *)0xdeadbeef, "Got unexpected val %p.\n", val);
ok(!new_fls_data, "Got unexpected teb->FlsSlots %p.\n", new_fls_data);
status = pRtlFlsSetValue(fls_indices[1], NULL);
new_fls_data = teb->FlsSlots;
ok(!status, "Got unexpected status %#x.\n", status);
ok(!!new_fls_data, "Got unexpected teb->FlsSlots %p.\n", new_fls_data);
entry_count = check_linked_list(fls_list_head, &fls_data->fls_list_entry, &index);
ok(entry_count == 2, "Got unexpected count %u.\n", entry_count);
ok(!index, "Got unexpected index %u.\n", index);
check_linked_list(fls_list_head, &new_fls_data->fls_list_entry, &index);
ok(index == 1, "Got unexpected index %u.\n", index);
val = (void *)0xdeadbeef;
status = pRtlFlsGetValue(fls_indices[2], &val);
ok(!status, "Got unexpected status %#x.\n", status);
ok(!val, "Got unexpected val %p.\n", val);
/* With bit 0 of flags set RtlProcessFlsData is removing FLS data from the linked list
* and calls FLS callbacks. With bit 1 set the memory is freed. The remaining bits do not seem
* to have any obvious effect. */
for (i = 2; i < 32; ++i)
{
pRtlProcessFlsData(new_fls_data, 1 << i);
size = HeapSize(GetProcessHeap(), 0, new_fls_data);
ok(size == sizeof(*new_fls_data), "Got unexpected size %p.\n", (void *)size);
}
if (0)
{
pRtlProcessFlsData(new_fls_data, 2);
entry_count = check_linked_list(fls_list_head, &fls_data->fls_list_entry, &index);
ok(entry_count == 2, "Got unexpected count %u.\n", entry_count);
/* Crashes on Windows. */
HeapSize(GetProcessHeap(), 0, new_fls_data);
}
saved_entry = new_fls_data->fls_list_entry;
teb->FlsSlots = NULL;
pRtlProcessFlsData(new_fls_data, 1);
ok(!teb->FlsSlots, "Got unexpected teb->FlsSlots %p.\n", teb->FlsSlots);
teb->FlsSlots = fls_data;
ok(new_fls_data->fls_list_entry.Flink == saved_entry.Flink, "Got unexpected Flink %p.\n",
saved_entry.Flink);
ok(new_fls_data->fls_list_entry.Blink == saved_entry.Blink, "Got unexpected Flink %p.\n",
saved_entry.Blink);
size = HeapSize(GetProcessHeap(), 0, new_fls_data);
ok(size == sizeof(*new_fls_data), "Got unexpected size %p.\n", (void *)size);
pRtlProcessFlsData(new_fls_data, 2);
if (0)
{
/* crashes on Windows. */
HeapSize(GetProcessHeap(), 0, new_fls_data);
}
entry_count = check_linked_list(fls_list_head, &fls_data->fls_list_entry, &index);
ok(entry_count == 1, "Got unexpected count %u.\n", entry_count);
ok(!index, "Got unexpected index %u.\n", index);
}
else
{
win_skip("Old FLS data storage layout, skipping test.\n");
g_fls_data = NULL;
}
if (0)
{
/* crashes on Windows. */
@ -249,11 +466,23 @@ static void test_FiberLocalStorage(void)
{
status = pRtlFlsGetValue(fls_indices[i], &val);
ok(!status, "Got unexpected status %#x.\n", status);
ok(val == (void *)(ULONG_PTR)(i + 1), "Got unexpected val %p.\n", val);
ok(val == (void *)(ULONG_PTR)(i + 1), "Got unexpected val %p, i %u.\n", val, i);
}
status = pRtlFlsFree(fls_indices[i]);
ok(!status, "Got unexpected status %#x.\n", status);
ok(!status, "Got unexpected status %#x, i %u.\n", status, i);
}
if (!peb->FlsCallback)
{
ok(g_fls_data->fls_high_index == 0xfef, "Got unexpected fls_high_index %#x.\n",
g_fls_data->fls_high_index);
for (i = 0; i < 8; ++i)
{
ok(!!g_fls_data->fls_callback_chunks[i], "Got zero fls_callback_chunks[%u].\n", i);
ok(!!fls_data->fls_data_chunks[i], "Got zero fls_data->fls_data_chunks[%u].\n", i);
}
}
}
else