mirror of
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177 lines
6.1 KiB
C
177 lines
6.1 KiB
C
/*
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* Copyright 2012 Piotr Caban for CodeWeavers
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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 <stdio.h>
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#include <limits.h>
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#include <windef.h>
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#include <winbase.h>
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#include "wine/test.h"
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typedef struct
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{
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char *str;
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char null_str;
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} _Yarn_char;
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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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/* Emulate a __thiscall */
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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 void * (WINAPI *call_thiscall_func1)( void *func, void *this );
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static void * (WINAPI *call_thiscall_func2)( void *func, void *this, const void *a );
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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_func2 = (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_func2(func,_this,a) call_thiscall_func2(func,_this,(const void*)a)
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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_func2(func,_this,a) func(_this,a)
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#endif /* __i386__ */
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static _Yarn_char* (__thiscall *_Yarn_char_ctor_cstr)(_Yarn_char *this, const char *str);
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static _Yarn_char* (__thiscall *_Yarn_char_copy_ctor)(_Yarn_char *this, const _Yarn_char *copy);
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static void (__thiscall *_Yarn_char_dtor)(_Yarn_char *this);
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static const char* (__thiscall *_Yarn_char_c_str)(const _Yarn_char *this);
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static char (__thiscall *_Yarn_char_empty)(const _Yarn_char *this);
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#define SETNOFAIL(x,y) x = (void*)GetProcAddress(msvcp,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 msvcp = LoadLibraryA("msvcp100.dll");
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if(!msvcp) {
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win_skip("msvcp100.dll not installed\n");
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return FALSE;
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}
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if(sizeof(void*) == 8) { /* 64-bit initialization */
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SET(_Yarn_char_ctor_cstr, "??0?$_Yarn@D@std@@QEAA@PEBD@Z");
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SET(_Yarn_char_copy_ctor, "??0?$_Yarn@D@std@@QEAA@AEBV01@@Z");
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SET(_Yarn_char_dtor, "??1?$_Yarn@D@std@@QEAA@XZ");
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SET(_Yarn_char_c_str, "?_C_str@?$_Yarn@D@std@@QEBAPEBDXZ");
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SET(_Yarn_char_empty, "?_Empty@?$_Yarn@D@std@@QEBA_NXZ");
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}else {
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#ifdef __arm__
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SET(_Yarn_char_ctor_cstr, "??0?$_Yarn@D@std@@QAA@PBD@Z");
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SET(_Yarn_char_copy_ctor, "??0?$_Yarn@D@std@@QAA@ABV01@@Z");
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SET(_Yarn_char_dtor, "??1?$_Yarn@D@std@@QAA@XZ");
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SET(_Yarn_char_c_str, "?_C_str@?$_Yarn@D@std@@QBAPBDXZ");
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SET(_Yarn_char_empty, "?_Empty@?$_Yarn@D@std@@QBA_NXZ");
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#else
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SET(_Yarn_char_ctor_cstr, "??0?$_Yarn@D@std@@QAE@PBD@Z");
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SET(_Yarn_char_copy_ctor, "??0?$_Yarn@D@std@@QAE@ABV01@@Z");
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SET(_Yarn_char_dtor, "??1?$_Yarn@D@std@@QAE@XZ");
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SET(_Yarn_char_c_str, "?_C_str@?$_Yarn@D@std@@QBEPBDXZ");
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SET(_Yarn_char_empty, "?_Empty@?$_Yarn@D@std@@QBE_NXZ");
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#endif /* __arm__ */
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}
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init_thiscall_thunk();
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return TRUE;
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}
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static void test__Yarn_char(void)
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{
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_Yarn_char c1, c2;
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char bool_ret;
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const char *str;
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call_func2(_Yarn_char_ctor_cstr, &c1, NULL);
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ok(!c1.str, "c1.str = %s\n", c1.str);
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ok(!c1.null_str, "c1.null_str = %d\n", c1.null_str);
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bool_ret = (char)(INT_PTR)call_func1(_Yarn_char_empty, &c1);
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ok(bool_ret == 1, "ret = %d\n", bool_ret);
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str = call_func1(_Yarn_char_c_str, &c1);
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ok(str == &c1.null_str, "str = %p, expected %p\n", str, &c1.null_str);
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call_func1(_Yarn_char_dtor, &c1);
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call_func2(_Yarn_char_ctor_cstr, &c1, "");
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ok(c1.str != NULL, "c1.str = NULL\n");
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ok(!strcmp(c1.str, ""), "c1.str = %s\n", c1.str);
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ok(!c1.null_str, "c1.null_str = %d\n", c1.null_str);
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bool_ret = (char)(INT_PTR)call_func1(_Yarn_char_empty, &c1);
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ok(bool_ret == 0, "ret = %d\n", bool_ret);
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str = call_func1(_Yarn_char_c_str, &c1);
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ok(str == c1.str, "str = %p, expected %p\n", str, c1.str);
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call_func1(_Yarn_char_dtor, &c1);
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call_func2(_Yarn_char_ctor_cstr, &c1, "test");
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ok(!strcmp(c1.str, "test"), "c1.str = %s\n", c1.str);
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ok(!c1.null_str, "c1.null_str = %d\n", c1.null_str);
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bool_ret = (char)(INT_PTR)call_func1(_Yarn_char_empty, &c1);
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ok(bool_ret == 0, "ret = %d\n", bool_ret);
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str = call_func1(_Yarn_char_c_str, &c1);
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ok(str == c1.str, "str = %p, expected %p\n", str, c1.str);
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call_func2(_Yarn_char_copy_ctor, &c2, &c1);
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ok(c1.str != c2.str, "c1.str = c2.str\n");
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ok(!strcmp(c2.str, "test"), "c2.str = %s\n", c2.str);
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ok(!c2.null_str, "c2.null_str = %d\n", c2.null_str);
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call_func1(_Yarn_char_dtor, &c2);
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c1.null_str = 'a';
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call_func2(_Yarn_char_copy_ctor, &c2, &c1);
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ok(c1.str != c2.str, "c1.str = c2.str\n");
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ok(!strcmp(c2.str, "test"), "c2.str = %s\n", c2.str);
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ok(!c2.null_str, "c2.null_str = %d\n", c2.null_str);
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call_func1(_Yarn_char_dtor, &c2);
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call_func1(_Yarn_char_dtor, &c1);
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}
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START_TEST(string)
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{
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if(!init())
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return;
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test__Yarn_char();
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}
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