Signed-off-by: Paul Gofman pgofman@codeweavers.com --- v3: - define in ddk/wdm.h for x86/x64 only. v4: - fix return value type.
.../api-ms-win-core-xstate-l1-1-0.spec | 2 +- dlls/ntdll/exception.c | 71 +++++++++ dlls/ntdll/ntdll.spec | 2 + dlls/ntdll/tests/exception.c | 147 +++++++++++++++++- dlls/ntoskrnl.exe/ntoskrnl.exe.spec | 2 + include/ddk/wdm.h | 7 +- 6 files changed, 227 insertions(+), 4 deletions(-)
diff --git a/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec b/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec index 36a1c8812f0..15126e5ddfe 100644 --- a/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec +++ b/dlls/api-ms-win-core-xstate-l1-1-0/api-ms-win-core-xstate-l1-1-0.spec @@ -1,6 +1,6 @@ @ stub RtlCopyExtendedContext @ stdcall RtlGetEnabledExtendedFeatures(int64) ntdll.RtlGetEnabledExtendedFeatures -@ stub RtlGetExtendedContextLength +@ stdcall RtlGetExtendedContextLength(long ptr) ntdll.RtlGetExtendedContextLength @ stub RtlGetExtendedFeaturesMask @ stub RtlInitializeExtendedContext @ stub RtlLocateExtendedFeature diff --git a/dlls/ntdll/exception.c b/dlls/ntdll/exception.c index 3f7443bb45b..9f65bb0464a 100644 --- a/dlls/ntdll/exception.c +++ b/dlls/ntdll/exception.c @@ -665,3 +665,74 @@ ULONG64 WINAPI RtlGetEnabledExtendedFeatures(ULONG64 feature_mask) { return user_shared_data->XState.EnabledFeatures & feature_mask; } + +static const struct context_parameters +{ + ULONG arch_flag; + ULONG supported_flags; + ULONG context_size; /* sizeof(CONTEXT) */ + ULONG context_ex_size; /* sizeof(CONTEXT_EX) */ + ULONG alignment; +} +arch_context_paramaters[] = +{ + {0x00100000, 0xd810005f, 0x4d0, 0x20, 7}, + {0x00010000, 0xd801007f, 0x2cc, 0x18, 3}, +}; + +static const struct context_parameters *context_get_parameters( ULONG context_flags ) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(arch_context_paramaters); ++i) + { + if (context_flags & arch_context_paramaters[i].arch_flag) + return context_flags & ~arch_context_paramaters[i].supported_flags ? NULL : &arch_context_paramaters[i]; + } + return NULL; +} + + +/********************************************************************** + * RtlGetExtendedContextLength2 (NTDLL.@) + */ +NTSTATUS WINAPI RtlGetExtendedContextLength2( ULONG context_flags, ULONG *length, ULONG64 compaction_mask ) +{ + const struct context_parameters *p; + ULONG64 supported_mask; + ULONG64 size; + + TRACE( "context_flags %#x, length %p, compaction_mask %s.\n", context_flags, length, + wine_dbgstr_longlong(compaction_mask) ); + + if (!(p = context_get_parameters( context_flags ))) + return STATUS_INVALID_PARAMETER; + + if (!(context_flags & 0x40)) + { + *length = p->context_size + p->context_ex_size + p->alignment; + return STATUS_SUCCESS; + } + + if (!(supported_mask = RtlGetEnabledExtendedFeatures( ~(ULONG64)0) )) + return STATUS_NOT_SUPPORTED; + + compaction_mask &= supported_mask; + + size = p->context_size + p->context_ex_size + offsetof(XSTATE, YmmContext) + 63; + + if (compaction_mask & supported_mask & (1 << XSTATE_AVX)) + size += sizeof(YMMCONTEXT); + + *length = size; + return STATUS_SUCCESS; +} + + +/********************************************************************** + * RtlGetExtendedContextLength (NTDLL.@) + */ +NTSTATUS WINAPI RtlGetExtendedContextLength( ULONG context_flags, ULONG *length ) +{ + return RtlGetExtendedContextLength2( context_flags, length, ~(ULONG64)0 ); +} diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec index db2fab19ba4..24e8f4a8f9d 100644 --- a/dlls/ntdll/ntdll.spec +++ b/dlls/ntdll/ntdll.spec @@ -695,6 +695,8 @@ # @ stub RtlGetElementGenericTableAvl @ stdcall RtlGetEnabledExtendedFeatures(int64) @ stdcall RtlGetExePath(wstr ptr) +@ stdcall RtlGetExtendedContextLength(long ptr) +@ stdcall RtlGetExtendedContextLength2(long ptr int64) # @ stub RtlGetFirstRange @ stdcall RtlGetFrame() @ stdcall RtlGetFullPathName_U(wstr long ptr ptr) diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c index fbe437dc1f1..a67e50af6ab 100644 --- a/dlls/ntdll/tests/exception.c +++ b/dlls/ntdll/tests/exception.c @@ -45,6 +45,8 @@ static PVOID (WINAPI *pRtlAddVectoredContinueHandler)(ULONG first, PVECTORED static ULONG (WINAPI *pRtlRemoveVectoredContinueHandler)(PVOID handler); static void (WINAPI *pRtlSetUnhandledExceptionFilter)(PRTL_EXCEPTION_FILTER filter); static ULONG64 (WINAPI *pRtlGetEnabledExtendedFeatures)(ULONG64); +static NTSTATUS (WINAPI *pRtlGetExtendedContextLength)(ULONG context_flags, ULONG *length); +static NTSTATUS (WINAPI *pRtlGetExtendedContextLength2)(ULONG context_flags, ULONG *length, ULONG64 compaction_mask); static NTSTATUS (WINAPI *pNtReadVirtualMemory)(HANDLE, const void*, void*, SIZE_T, SIZE_T*); static NTSTATUS (WINAPI *pNtTerminateProcess)(HANDLE handle, LONG exit_code); static NTSTATUS (WINAPI *pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG); @@ -6093,6 +6095,8 @@ done: return ExceptionContinueExecution; }
+#define CONTEXT_NATIVE (CONTEXT_XSTATE & CONTEXT_CONTROL) + static void test_extended_context(void) { static BYTE except_code_set_ymm0[] = @@ -6129,19 +6133,156 @@ static void test_extended_context(void) 0xc5, 0xfc, 0x11, 0x00, /* vmovups %ymm0,(%ax) */ 0xc3, /* ret */ }; - unsigned int i, address_offset; + static const struct + { + ULONG flag; + ULONG supported_flags; + ULONG broken_flags; + ULONG context_length; + ULONG context_ex_length; + ULONG align; + } + context_arch[] = + { + { + 0x00100000, /* CONTEXT_AMD64 */ + 0xd800005f, + 0xd8000000, + 0x4d0, /* sizeof(CONTEXT) */ + 0x20, /* sizeof(CONTEXT_EX) */ + 7, + }, + { + 0x00010000, /* CONTEXT_X86 */ + 0xd800007f, + 0xd8000000, + 0x2cc, /* sizeof(CONTEXT) */ + 0x18, /* sizeof(CONTEXT_EX) */ + 3, + }, + }; + ULONG expected_length, expected_length_xstate; + unsigned int i, address_offset, test; + ULONG64 enabled_features; + ULONG ret, length; unsigned data[8]; + ULONG flags;
address_offset = sizeof(void *) == 8 ? 2 : 1; *(void **)(except_code_set_ymm0 + address_offset) = data; *(void **)(except_code_reset_ymm_state + address_offset) = data;
- if (!pRtlGetEnabledExtendedFeatures || !(pRtlGetEnabledExtendedFeatures(~(ULONG64)0) & (1 << XSTATE_AVX))) + if (!pRtlGetEnabledExtendedFeatures) + { + skip("RtlGetEnabledExtendedFeatures is not available.\n"); + return; + } + + enabled_features = pRtlGetEnabledExtendedFeatures(~(ULONG64)0); + + /* Test context manipulation functions. */ + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength(0, &length); + ok(ret == STATUS_INVALID_PARAMETER && length == 0xdeadbeef, "Got unexpected result ret %#x, length %#x.\n", + ret, length); + + for (test = 0; test < ARRAY_SIZE(context_arch); ++test) + { + expected_length = context_arch[test].context_length + context_arch[test].context_ex_length + + context_arch[test].align; + expected_length_xstate = context_arch[test].context_length + context_arch[test].context_ex_length + + sizeof(XSTATE) + 63; + + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength(context_arch[test].flag, &length); + ok(!ret && length == expected_length, "Got unexpected result ret %#x, length %#x.\n", + ret, length); + + for (i = 0; i < 32; ++i) + { + if (i == 6) /* CONTEXT_XSTATE */ + continue; + + flags = context_arch[test].flag | (1 << i); + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength(flags, &length); + + if ((context_arch[test].supported_flags & flags) || flags == context_arch[test].flag) + { + ok((!ret && length == expected_length) + || broken((context_arch[test].broken_flags & (1 << i)) + && ret == STATUS_INVALID_PARAMETER && length == 0xdeadbeef), + "Got unexpected result ret %#x, length %#x, flags 0x%08x.\n", + ret, length, flags); + } + else + { + ok(ret == STATUS_INVALID_PARAMETER && length == 0xdeadbeef, + "Got unexpected result ret %#x, length %#x, flags 0x%08x.\n", ret, length, flags); + } + } + + flags = context_arch[test].flag | 0x40; + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength(flags, &length); + + if (!enabled_features) + { + ok(ret == STATUS_NOT_SUPPORTED && length == 0xdeadbeef, + "Got unexpected result ret %#x, length %#x.\n", ret, length); + continue; + } + + ok(!ret && length >= expected_length_xstate, + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + + if (!pRtlGetExtendedContextLength2) + { + win_skip("RtlGetExtendedContextLength2 is not available.\n"); + continue; + } + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength2(flags, &length, 7); + ok(!ret && length == expected_length_xstate, + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength2(flags, &length, ~0); + ok(!ret && length >= expected_length_xstate, + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength2(flags, &length, 0); + ok(!ret && length == expected_length_xstate - sizeof(YMMCONTEXT), + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength2(flags, &length, 3); + ok(!ret && length == expected_length_xstate - sizeof(YMMCONTEXT), + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + + length = 0xdeadbeef; + ret = pRtlGetExtendedContextLength2(flags, &length, 4); + ok(!ret && length == expected_length_xstate, + "Got unexpected result ret %#x, length %#x, test %u.\n", ret, length, test); + } + + if (0) + { + /* Crashes on Windows. */ + pRtlGetExtendedContextLength(CONTEXT_FULL, NULL); + } + + if (!(enabled_features & (1 << XSTATE_AVX))) { skip("AVX is not supported.\n"); return; }
+ /* Test fault exception context. */ memset(data, 0xff, sizeof(data)); test_extended_context_modified_state = FALSE; run_exception_test(test_extended_context_handler, NULL, except_code_reset_ymm_state, @@ -6206,6 +6347,8 @@ START_TEST(exception) X(RtlGetUnloadEventTrace); X(RtlGetUnloadEventTraceEx); X(RtlGetEnabledExtendedFeatures); + X(RtlGetExtendedContextLength); + X(RtlGetExtendedContextLength2); #undef X
pIsWow64Process = (void *)GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsWow64Process"); diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec index 0e8082fad26..45024a3a8da 100644 --- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec +++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec @@ -1096,6 +1096,8 @@ @ stub RtlGetDefaultCodePage @ stub RtlGetElementGenericTable @ stub RtlGetElementGenericTableAvl +@ stdcall RtlGetExtendedContextLength(long ptr) +@ stdcall RtlGetExtendedContextLength2(long ptr int64) @ stub RtlGetFirstRange @ stdcall RtlGetGroupSecurityDescriptor(ptr ptr ptr) @ stub RtlGetNextRange diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h index cc841326979..0c641fa4122 100644 --- a/include/ddk/wdm.h +++ b/include/ddk/wdm.h @@ -1836,12 +1836,17 @@ HANDLE WINAPI PsGetProcessInheritedFromUniqueProcessId(PEPROCESS); BOOLEAN WINAPI PsGetVersion(ULONG*,ULONG*,ULONG*,UNICODE_STRING*); NTSTATUS WINAPI PsTerminateSystemThread(NTSTATUS);
+#if defined(__x86_64__) || defined(__i386__) +ULONG64 WINAPI RtlGetEnabledExtendedFeatures(ULONG64); +NTSTATUS WINAPI RtlGetExtendedContextLength(ULONG,ULONG*); +NTSTATUS WINAPI RtlGetExtendedContextLength2(ULONG,ULONG*,ULONG64); +#endif + #ifdef __x86_64__ void WINAPI RtlCopyMemoryNonTemporal(void*,const void*,SIZE_T); #else #define RtlCopyMemoryNonTemporal RtlCopyMemory #endif -ULONG64 WINAPI RtlGetEnabledExtendedFeatures(ULONG64); BOOLEAN WINAPI RtlIsNtDdiVersionAvailable(ULONG);
NTSTATUS WINAPI ZwAddBootEntry(PUNICODE_STRING,PUNICODE_STRING);