250 lines
7.9 KiB
C
250 lines
7.9 KiB
C
/*
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* Copyright 2020 Daniel Lehman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "wine/test.h"
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#ifdef __i386__
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#include "pshpack1.h"
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struct thiscall_thunk
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{
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BYTE pop_eax; /* popl %eax (ret addr) */
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BYTE pop_edx; /* popl %edx (func) */
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BYTE pop_ecx; /* popl %ecx (this) */
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BYTE push_eax; /* pushl %eax */
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WORD jmp_edx; /* jmp *%edx */
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};
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#include "poppack.h"
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static ULONG_PTR (WINAPI *call_thiscall_func1)( void *func, void *this );
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static ULONG_PTR (WINAPI *call_thiscall_func3)( void *func,
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void *this, const void *a, const void *b );
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static void init_thiscall_thunk(void)
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{
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struct thiscall_thunk *thunk = VirtualAlloc( NULL, sizeof(*thunk),
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MEM_COMMIT, PAGE_EXECUTE_READWRITE );
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thunk->pop_eax = 0x58; /* popl %eax */
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thunk->pop_edx = 0x5a; /* popl %edx */
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thunk->pop_ecx = 0x59; /* popl %ecx */
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thunk->push_eax = 0x50; /* pushl %eax */
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thunk->jmp_edx = 0xe2ff; /* jmp *%edx */
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call_thiscall_func1 = (void *)thunk;
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call_thiscall_func3 = (void *)thunk;
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}
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#define call_func1(func,_this) call_thiscall_func1(func,_this)
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#define call_func3(func,_this,a,b) call_thiscall_func3(func,_this,(const void*)(a),(const void*)(b))
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#else
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#define init_thiscall_thunk()
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#define call_func1(func,_this) func(_this)
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#define call_func3(func,_this,a,b) func(_this,a,b)
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#endif /* __i386__ */
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#undef __thiscall
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#ifdef __i386__
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#define __thiscall __stdcall
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#else
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#define __thiscall __cdecl
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#endif
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typedef void (*vtable_ptr)(void);
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typedef struct {
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const vtable_ptr *vtable;
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} Context;
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typedef struct {
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Context *ctx;
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} _Context;
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typedef struct {
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const vtable_ptr *vtable;
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void *timer;
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unsigned int elapse;
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unsigned char repeat;
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} _Timer;
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static Context* (__cdecl *p_Context_CurrentContext)(void);
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static _Context* (__cdecl *p__Context__CurrentContext)(_Context*);
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static _Timer* (__thiscall *p__Timer_ctor)(_Timer*,unsigned int,unsigned char);
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static void (__thiscall *p__Timer_dtor)(_Timer*);
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static void (__thiscall *p__Timer__Start)(_Timer*);
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static void (__thiscall *p__Timer__Stop)(_Timer*);
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static const BYTE *p_byte_reverse_table;
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#define SETNOFAIL(x,y) x = (void*)GetProcAddress(module,y)
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#define SET(x,y) do { SETNOFAIL(x,y); ok(x != NULL, "Export '%s' not found\n", y); } while(0)
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static BOOL init(void)
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{
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HMODULE module;
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module = LoadLibraryA("concrt140.dll");
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if (!module)
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{
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win_skip("concrt140.dll not installed\n");
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return FALSE;
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}
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SET(p__Context__CurrentContext,
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"?_CurrentContext@_Context@details@Concurrency@@SA?AV123@XZ");
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if(sizeof(void*) == 8) { /* 64-bit initialization */
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SET(p_Context_CurrentContext,
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"?CurrentContext@Context@Concurrency@@SAPEAV12@XZ");
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SET(p__Timer_ctor,
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"??0_Timer@details@Concurrency@@IEAA@I_N@Z");
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SET(p__Timer_dtor,
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"??1_Timer@details@Concurrency@@MEAA@XZ");
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SET(p__Timer__Start,
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"?_Start@_Timer@details@Concurrency@@IEAAXXZ");
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SET(p__Timer__Stop,
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"?_Stop@_Timer@details@Concurrency@@IEAAXXZ");
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} else {
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SET(p_Context_CurrentContext,
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"?CurrentContext@Context@Concurrency@@SAPAV12@XZ");
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#ifdef __arm__
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SET(p__Timer_ctor,
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"??0_Timer@details@Concurrency@@IAA@I_N@Z");
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SET(p__Timer_dtor,
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"??1_Timer@details@Concurrency@@MAA@XZ");
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SET(p__Timer__Start,
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"?_Start@_Timer@details@Concurrency@@IAAXXZ");
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SET(p__Timer__Stop,
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"?_Stop@_Timer@details@Concurrency@@IAAXXZ");
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#else
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SET(p__Timer_ctor,
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"??0_Timer@details@Concurrency@@IAE@I_N@Z");
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SET(p__Timer_dtor,
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"??1_Timer@details@Concurrency@@MAE@XZ");
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SET(p__Timer__Start,
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"?_Start@_Timer@details@Concurrency@@IAEXXZ");
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SET(p__Timer__Stop,
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"?_Stop@_Timer@details@Concurrency@@IAEXXZ");
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#endif
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}
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init_thiscall_thunk();
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SET(p_byte_reverse_table, "?_Byte_reverse_table@details@Concurrency@@3QBEB");
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return TRUE;
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}
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static void test_CurrentContext(void)
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{
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_Context _ctx, *ret;
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Context *ctx;
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ctx = p_Context_CurrentContext();
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ok(!!ctx, "got NULL\n");
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memset(&_ctx, 0xcc, sizeof(_ctx));
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ret = p__Context__CurrentContext(&_ctx);
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ok(_ctx.ctx == ctx, "expected %p, got %p\n", ctx, _ctx.ctx);
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ok(ret == &_ctx, "expected %p, got %p\n", &_ctx, ret);
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}
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static HANDLE callback_called;
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static void __cdecl timer_callback(_Timer *this)
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{
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SetEvent(callback_called);
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}
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static void test_Timer(void)
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{
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vtable_ptr vtable[2];
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_Timer timer;
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DWORD ret;
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callback_called = CreateEventW(NULL, FALSE, FALSE, NULL);
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ok(callback_called != NULL, "CreateEvent failed\n");
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call_func3(p__Timer_ctor, &timer, 1, TRUE);
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ok(!timer.timer, "timer already set to %p\n", timer.timer);
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ok(timer.elapse == 1, "elapse = %u, expected 0\n", timer.elapse);
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ok(timer.repeat, "timer.repeat = FALSE\n");
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vtable[0] = timer.vtable[0];
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vtable[1] = (vtable_ptr)timer_callback;
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timer.vtable = vtable;
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call_func1(p__Timer__Start, &timer);
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ok(timer.timer != NULL, "timer = NULL\n");
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ret = WaitForSingleObject(callback_called, 1000);
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ok(ret == WAIT_OBJECT_0, "WaitForSingleObject returned %lu\n", ret);
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ret = WaitForSingleObject(callback_called, 1000);
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ok(ret == WAIT_OBJECT_0, "WaitForSingleObject returned %lu\n", ret);
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call_func1(p__Timer__Stop, &timer);
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ok(!timer.timer, "timer != NULL\n");
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call_func1(p__Timer_dtor, &timer);
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ResetEvent(callback_called);
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call_func3(p__Timer_ctor, &timer, 1, FALSE);
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timer.vtable = vtable;
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call_func1(p__Timer__Start, &timer);
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ok(timer.timer != NULL, "timer = NULL\n");
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ret = WaitForSingleObject(callback_called, 1000);
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ok(ret == WAIT_OBJECT_0, "WaitForSingleObject returned %lu\n", ret);
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ret = WaitForSingleObject(callback_called, 100);
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ok(ret == WAIT_TIMEOUT, "WaitForSingleObject returned %lu\n", ret);
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call_func1(p__Timer_dtor, &timer);
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call_func3(p__Timer_ctor, &timer, 0, TRUE);
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timer.vtable = vtable;
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call_func1(p__Timer__Start, &timer);
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ok(timer.timer != NULL, "timer = NULL\n");
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ret = WaitForSingleObject(callback_called, 1000);
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ok(ret == WAIT_OBJECT_0, "WaitForSingleObject returned %lu\n", ret);
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ret = WaitForSingleObject(callback_called, 100);
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ok(ret == WAIT_TIMEOUT, "WaitForSingleObject returned %lu\n", ret);
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call_func1(p__Timer__Stop, &timer);
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ok(!timer.timer, "timer != NULL\n");
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call_func1(p__Timer_dtor, &timer);
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CloseHandle(callback_called);
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}
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static BYTE byte_reverse(BYTE b)
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{
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b = ((b & 0xf0) >> 4) | ((b & 0x0f) << 4);
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b = ((b & 0xcc) >> 2) | ((b & 0x33) << 2);
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b = ((b & 0xaa) >> 1) | ((b & 0x55) << 1);
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return b;
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}
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static void test_data_exports(void)
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{
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unsigned int i;
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ok(IsBadWritePtr((BYTE *)p_byte_reverse_table, 256), "byte_reverse_table is writeable.\n");
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for (i = 0; i < 256; ++i)
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{
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ok(p_byte_reverse_table[i] == byte_reverse(i), "Got unexpected byte %#x, expected %#x.\n",
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p_byte_reverse_table[i], byte_reverse(i));
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}
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}
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START_TEST(concrt140)
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{
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if (!init()) return;
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test_CurrentContext();
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test_Timer();
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test_data_exports();
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}
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