Piotr Caban : msvcr100/tests: Add _SpinWait tests.
Alexandre Julliard
julliard at wine.codeweavers.com
Mon Jun 23 12:57:40 CDT 2014
Module: wine
Branch: master
Commit: b2d22ecb074e7c6fc0a701e5e85f00dcfd029841
URL: http://source.winehq.org/git/wine.git/?a=commit;h=b2d22ecb074e7c6fc0a701e5e85f00dcfd029841
Author: Piotr Caban <piotr at codeweavers.com>
Date: Sat Jun 21 14:22:37 2014 +0200
msvcr100/tests: Add _SpinWait tests.
---
dlls/msvcr100/tests/msvcr100.c | 146 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 146 insertions(+)
diff --git a/dlls/msvcr100/tests/msvcr100.c b/dlls/msvcr100/tests/msvcr100.c
index 7550eb9..a998fb5 100644
--- a/dlls/msvcr100/tests/msvcr100.c
+++ b/dlls/msvcr100/tests/msvcr100.c
@@ -51,6 +51,7 @@
}while(0)
DEFINE_EXPECT(invalid_parameter_handler);
+DEFINE_EXPECT(yield_func);
static _invalid_parameter_handler (__cdecl *p_set_invalid_parameter_handler)(_invalid_parameter_handler);
@@ -66,6 +67,73 @@ static void __cdecl test_invalid_parameter_handler(const wchar_t *expression,
ok(arg == 0, "arg = %lx\n", (UINT_PTR)arg);
}
+#ifdef __i386__
+
+#include "pshpack1.h"
+struct thiscall_thunk
+{
+ BYTE pop_eax; /* popl %eax (ret addr) */
+ BYTE pop_edx; /* popl %edx (func) */
+ BYTE pop_ecx; /* popl %ecx (this) */
+ BYTE push_eax; /* pushl %eax */
+ WORD jmp_edx; /* jmp *%edx */
+};
+#include "poppack.h"
+
+static ULONG_PTR (WINAPI *call_thiscall_func1)( void *func, void *this );
+static ULONG_PTR (WINAPI *call_thiscall_func2)( void *func, void *this, const void *a );
+
+static void init_thiscall_thunk(void)
+{
+ struct thiscall_thunk *thunk = VirtualAlloc( NULL, sizeof(*thunk),
+ MEM_COMMIT, PAGE_EXECUTE_READWRITE );
+ thunk->pop_eax = 0x58; /* popl %eax */
+ thunk->pop_edx = 0x5a; /* popl %edx */
+ thunk->pop_ecx = 0x59; /* popl %ecx */
+ thunk->push_eax = 0x50; /* pushl %eax */
+ thunk->jmp_edx = 0xe2ff; /* jmp *%edx */
+ call_thiscall_func1 = (void *)thunk;
+ call_thiscall_func2 = (void *)thunk;
+}
+
+#define call_func1(func,_this) call_thiscall_func1(func,_this)
+#define call_func2(func,_this,a) call_thiscall_func2(func,_this,(const void*)(a))
+
+#else
+
+#define init_thiscall_thunk()
+#define call_func1(func,_this) func(_this)
+#define call_func2(func,_this,a) func(_this,a)
+
+#endif /* __i386__ */
+
+#undef __thiscall
+#ifdef __i386__
+#define __thiscall __stdcall
+#else
+#define __thiscall __cdecl
+#endif
+
+typedef unsigned char MSVCRT_bool;
+
+typedef enum
+{
+ SPINWAIT_INIT,
+ SPINWAIT_SPIN,
+ SPINWAIT_YIELD,
+ SPINWAIT_DONE
+} SpinWait_state;
+
+typedef void (__cdecl *yield_func)(void);
+
+typedef struct
+{
+ ULONG spin;
+ ULONG unknown;
+ SpinWait_state state;
+ yield_func yield_func;
+} SpinWait;
+
static int* (__cdecl *p_errno)(void);
static int (__cdecl *p_wmemcpy_s)(wchar_t *dest, size_t numberOfElements, const wchar_t *src, size_t count);
static int (__cdecl *p_wmemmove_s)(wchar_t *dest, size_t numberOfElements, const wchar_t *src, size_t count);
@@ -77,6 +145,14 @@ static void (__cdecl *p__aligned_free)(void*);
static size_t (__cdecl *p__aligned_msize)(void*, size_t, size_t);
static int (__cdecl *p_atoi)(const char*);
+static SpinWait* (__thiscall *pSpinWait_ctor_yield)(SpinWait*, yield_func);
+static void (__thiscall *pSpinWait_dtor)(SpinWait*);
+static void (__thiscall *pSpinWait__DoYield)(SpinWait*);
+static ULONG (__thiscall *pSpinWait__NumberOfSpins)(SpinWait*);
+static void (__thiscall *pSpinWait__SetSpinCount)(SpinWait*, unsigned int);
+static MSVCRT_bool (__thiscall *pSpinWait__ShouldSpinAgain)(SpinWait*);
+static MSVCRT_bool (__thiscall *pSpinWait__SpinOnce)(SpinWait*);
+
/* make sure we use the correct errno */
#undef errno
#define errno (*p_errno())
@@ -107,6 +183,25 @@ static BOOL init(void)
SET(p__aligned_msize, "_aligned_msize");
SET(p_atoi, "atoi");
+ if(sizeof(void*) == 8) { /* 64-bit initialization */
+ SET(pSpinWait_ctor_yield, "??0?$_SpinWait@$00 at details@Concurrency@@QEAA at P6AXXZ@Z");
+ SET(pSpinWait_dtor, "??_F?$_SpinWait@$00 at details@Concurrency@@QEAAXXZ");
+ SET(pSpinWait__DoYield, "?_DoYield@?$_SpinWait@$00 at details@Concurrency@@IEAAXXZ");
+ SET(pSpinWait__NumberOfSpins, "?_NumberOfSpins@?$_SpinWait@$00 at details@Concurrency@@IEAAKXZ");
+ SET(pSpinWait__SetSpinCount, "?_SetSpinCount@?$_SpinWait@$00 at details@Concurrency@@QEAAXI at Z");
+ SET(pSpinWait__ShouldSpinAgain, "?_ShouldSpinAgain@?$_SpinWait@$00 at details@Concurrency@@IEAA_NXZ");
+ SET(pSpinWait__SpinOnce, "?_SpinOnce@?$_SpinWait@$00 at details@Concurrency@@QEAA_NXZ");
+ } else {
+ SET(pSpinWait_ctor_yield, "??0?$_SpinWait@$00 at details@Concurrency@@QAE at P6AXXZ@Z");
+ SET(pSpinWait_dtor, "??_F?$_SpinWait@$00 at details@Concurrency@@QAEXXZ");
+ SET(pSpinWait__DoYield, "?_DoYield@?$_SpinWait@$00 at details@Concurrency@@IAEXXZ");
+ SET(pSpinWait__NumberOfSpins, "?_NumberOfSpins@?$_SpinWait@$00 at details@Concurrency@@IAEKXZ");
+ SET(pSpinWait__SetSpinCount, "?_SetSpinCount@?$_SpinWait@$00 at details@Concurrency@@QAEXI at Z");
+ SET(pSpinWait__ShouldSpinAgain, "?_ShouldSpinAgain@?$_SpinWait@$00 at details@Concurrency@@IAE_NXZ");
+ SET(pSpinWait__SpinOnce, "?_SpinOnce@?$_SpinWait@$00 at details@Concurrency@@QAE_NXZ");
+ }
+
+ init_thiscall_thunk();
return TRUE;
}
@@ -377,6 +472,56 @@ static void test_atoi(void)
ok(r == 2147483647, "atoi(4294967296) = %d\n", r);
}
+static void __cdecl test_yield_func(void)
+{
+ CHECK_EXPECT(yield_func);
+}
+
+static void test__SpinWait(void)
+{
+ SpinWait sp;
+ ULONG ul;
+ MSVCRT_bool b;
+
+ call_func2(pSpinWait_ctor_yield, &sp, test_yield_func);
+
+ SET_EXPECT(yield_func);
+ call_func1(pSpinWait__DoYield, &sp);
+ CHECK_CALLED(yield_func);
+
+ ul = call_func1(pSpinWait__NumberOfSpins, &sp);
+ ok(ul == 1, "_SpinWait::_NumberOfSpins returned %u\n", ul);
+
+ sp.spin = 2;
+ b = call_func1(pSpinWait__ShouldSpinAgain, &sp);
+ ok(b, "_SpinWait::_ShouldSpinAgain returned %x\n", b);
+ ok(sp.spin == 1, "sp.spin = %u\n", sp.spin);
+ b = call_func1(pSpinWait__ShouldSpinAgain, &sp);
+ ok(!b, "_SpinWait::_ShouldSpinAgain returned %x\n", b);
+ ok(sp.spin == 0, "sp.spin = %u\n", sp.spin);
+ b = call_func1(pSpinWait__ShouldSpinAgain, &sp);
+ ok(b, "_SpinWait::_ShouldSpinAgain returned %x\n", b);
+ ok(sp.spin == -1, "sp.spin = %u\n", sp.spin);
+
+ call_func2(pSpinWait__SetSpinCount, &sp, 2);
+ b = call_func1(pSpinWait__SpinOnce, &sp);
+ ok(b, "_SpinWait::_SpinOnce returned %x\n", b);
+ ok(sp.spin == 1, "sp.spin = %u\n", sp.spin);
+ b = call_func1(pSpinWait__SpinOnce, &sp);
+ ok(b, "_SpinWait::_SpinOnce returned %x\n", b);
+ ok(sp.spin == 0, "sp.spin = %u\n", sp.spin);
+ SET_EXPECT(yield_func);
+ b = call_func1(pSpinWait__SpinOnce, &sp);
+ ok(b, "_SpinWait::_SpinOnce returned %x\n", b);
+ ok(sp.spin == 0, "sp.spin = %u\n", sp.spin);
+ CHECK_CALLED(yield_func);
+ b = call_func1(pSpinWait__SpinOnce, &sp);
+ ok(!b, "_SpinWait::_SpinOnce returned %x\n", b);
+ ok(sp.spin==0 || sp.spin==4000, "sp.spin = %u\n", sp.spin);
+
+ call_func1(pSpinWait_dtor, &sp);
+}
+
START_TEST(msvcr100)
{
if (!init())
@@ -387,4 +532,5 @@ START_TEST(msvcr100)
test_fread_s();
test__aligned_msize();
test_atoi();
+ test__SpinWait();
}
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