[PATCH] kernel32: Implement GetCurrentThreadStackLimits

[André Hentschel]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46179
Signed-off-by: André Hentschel <nerv at dawncrow.de>
---
 ...api-ms-win-core-processthreads-l1-1-1.spec |  2 +-
 ...api-ms-win-core-processthreads-l1-1-2.spec |  2 +-
 dlls/kernel32/kernel32.spec                   |  1 +
 dlls/kernel32/tests/thread.c                  | 26 +++++++++++++++++++
 dlls/kernel32/thread.c                        | 12 +++++++++
 dlls/kernelbase/kernelbase.spec               |  2 +-
 6 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/dlls/api-ms-win-core-processthreads-l1-1-1/api-ms-win-core-processthreads-l1-1-1.spec b/dlls/api-ms-win-core-processthreads-l1-1-1/api-ms-win-core-processthreads-l1-1-1.spec
index 563bd79b67..708a8eff09 100644
--- a/dlls/api-ms-win-core-processthreads-l1-1-1/api-ms-win-core-processthreads-l1-1-1.spec
+++ b/dlls/api-ms-win-core-processthreads-l1-1-1/api-ms-win-core-processthreads-l1-1-1.spec
@@ -15,7 +15,7 @@
 @ stdcall GetCurrentProcessorNumberEx(ptr) kernel32.GetCurrentProcessorNumberEx
 @ stdcall -norelay GetCurrentThread() kernel32.GetCurrentThread
 @ stdcall -norelay GetCurrentThreadId() kernel32.GetCurrentThreadId
-@ stub GetCurrentThreadStackLimits
+@ stdcall GetCurrentThreadStackLimits(ptr ptr) kernel32.GetCurrentThreadStackLimits
 @ stdcall GetExitCodeProcess(long ptr) kernel32.GetExitCodeProcess
 @ stdcall GetExitCodeThread(long ptr) kernel32.GetExitCodeThread
 @ stdcall GetPriorityClass(long) kernel32.GetPriorityClass
diff --git a/dlls/api-ms-win-core-processthreads-l1-1-2/api-ms-win-core-processthreads-l1-1-2.spec b/dlls/api-ms-win-core-processthreads-l1-1-2/api-ms-win-core-processthreads-l1-1-2.spec
index 85830a11fc..a29ef43566 100644
--- a/dlls/api-ms-win-core-processthreads-l1-1-2/api-ms-win-core-processthreads-l1-1-2.spec
+++ b/dlls/api-ms-win-core-processthreads-l1-1-2/api-ms-win-core-processthreads-l1-1-2.spec
@@ -15,7 +15,7 @@
 @ stdcall GetCurrentProcessorNumberEx(ptr) kernel32.GetCurrentProcessorNumberEx
 @ stdcall -norelay GetCurrentThread() kernel32.GetCurrentThread
 @ stdcall -norelay GetCurrentThreadId() kernel32.GetCurrentThreadId
-@ stub GetCurrentThreadStackLimits
+@ stdcall GetCurrentThreadStackLimits(ptr ptr) kernel32.GetCurrentThreadStackLimits
 @ stdcall GetExitCodeProcess(long ptr) kernel32.GetExitCodeProcess
 @ stdcall GetExitCodeThread(long ptr) kernel32.GetExitCodeThread
 @ stdcall GetPriorityClass(long) kernel32.GetPriorityClass
diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index 85fce3725a..ae7bc886c5 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -635,6 +635,7 @@
 @ stdcall GetCurrentProcessorNumberEx(ptr) ntdll.RtlGetCurrentProcessorNumberEx
 @ stdcall -norelay GetCurrentThread()
 @ stdcall -norelay GetCurrentThreadId()
+@ stdcall GetCurrentThreadStackLimits(ptr ptr)
 @ stdcall -arch=x86_64 GetCurrentUmsThread()
 @ stdcall GetDateFormatA(long long ptr str ptr long)
 @ stdcall GetDateFormatEx(wstr long ptr wstr ptr long wstr)
diff --git a/dlls/kernel32/tests/thread.c b/dlls/kernel32/tests/thread.c
index b69d2eb371..f27bbdf2b5 100644
--- a/dlls/kernel32/tests/thread.c
+++ b/dlls/kernel32/tests/thread.c
@@ -76,6 +76,7 @@
 #define ARCH "none"
 #endif
 
+static void (WINAPI *pGetCurrentThreadStackLimits)(PULONG_PTR,PULONG_PTR);
 static BOOL (WINAPI *pGetThreadPriorityBoost)(HANDLE,PBOOL);
 static HANDLE (WINAPI *pOpenThread)(DWORD,BOOL,DWORD);
 static BOOL (WINAPI *pQueueUserWorkItem)(LPTHREAD_START_ROUTINE,PVOID,ULONG);
@@ -992,6 +993,29 @@ static VOID test_thread_processor(void)
         win_skip("Get/SetThreadGroupAffinity not available\n");
 }
 
+static VOID test_GetCurrentThreadStackLimits(void)
+{
+    ULONG_PTR low = 0, high = 0;
+
+    if (!pGetCurrentThreadStackLimits)
+    {
+        win_skip("GetCurrentThreadStackLimits not available.\n");
+        return;
+    }
+
+    if (0)
+    {
+        /* crashes on native */
+        pGetCurrentThreadStackLimits(NULL, NULL);
+        pGetCurrentThreadStackLimits(NULL, &high);
+        pGetCurrentThreadStackLimits(&low, NULL);
+    }
+
+    pGetCurrentThreadStackLimits(&low, &high);
+    ok(low == (ULONG_PTR)NtCurrentTeb()->DeallocationStack, "exptected %p, got %lx\n", NtCurrentTeb()->DeallocationStack, low);
+    ok(high == (ULONG_PTR)NtCurrentTeb()->Tib.StackBase, "exptected %p, got %lx\n", NtCurrentTeb()->Tib.StackBase, high);
+}
+
 static VOID test_GetThreadExitCode(void)
 {
     DWORD exitCode, threadid;
@@ -1999,6 +2023,7 @@ static void init_funcs(void)
    so that the compile passes */
 
 #define X(f) p##f = (void*)GetProcAddress(hKernel32, #f)
+    X(GetCurrentThreadStackLimits);
     X(GetThreadPriorityBoost);
     X(OpenThread);
     X(QueueUserWorkItem);
@@ -2084,6 +2109,7 @@ START_TEST(thread)
    test_TerminateThread();
    test_CreateThread_stack();
    test_thread_priority();
+   test_GetCurrentThreadStackLimits();
    test_GetThreadTimes();
    test_thread_processor();
    test_GetThreadExitCode();
diff --git a/dlls/kernel32/thread.c b/dlls/kernel32/thread.c
index e6b99aed62..deff94e75f 100644
--- a/dlls/kernel32/thread.c
+++ b/dlls/kernel32/thread.c
@@ -701,6 +701,18 @@ HANDLE WINAPI GetCurrentThread(void)
     return (HANDLE)~(ULONG_PTR)1;
 }
 
+/***********************************************************************
+ *		GetCurrentThreadStackLimits (KERNEL32.@)
+ *
+ * Get the current thread stack limits.
+ *
+ */
+void WINAPI GetCurrentThreadStackLimits(ULONG_PTR *low, ULONG_PTR *high)
+{
+    *low = (ULONG_PTR)NtCurrentTeb()->DeallocationStack;
+    *high = (ULONG_PTR)NtCurrentTeb()->Tib.StackBase;
+}
+
 
 #ifdef __i386__
 
diff --git a/dlls/kernelbase/kernelbase.spec b/dlls/kernelbase/kernelbase.spec
index 752d489fba..649bf96300 100644
--- a/dlls/kernelbase/kernelbase.spec
+++ b/dlls/kernelbase/kernelbase.spec
@@ -471,7 +471,7 @@
 # @ stub GetCurrentTargetPlatformContext
 @ stdcall -norelay GetCurrentThread() kernel32.GetCurrentThread
 @ stdcall -norelay GetCurrentThreadId() kernel32.GetCurrentThreadId
-# @ stub GetCurrentThreadStackLimits
+@ stdcall GetCurrentThreadStackLimits(ptr ptr) kernel32.GetCurrentThreadStackLimits
 @ stdcall GetDateFormatA(long long ptr str ptr long) kernel32.GetDateFormatA
 @ stdcall GetDateFormatEx(wstr long ptr wstr ptr long wstr) kernel32.GetDateFormatEx
 @ stdcall GetDateFormatW(long long ptr wstr ptr long) kernel32.GetDateFormatW
-- 
2.17.1