2 * Wine portability routines
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
28 #include <sys/types.h>
32 /* no longer used, for backwards compatibility only */
33 struct wine_pthread_functions
;
34 static void *pthread_functions
[8];
36 /***********************************************************************
37 * wine_pthread_get_functions
39 void wine_pthread_get_functions_obsolete( struct wine_pthread_functions
*functions
, size_t size
)
41 memcpy( functions
, &pthread_functions
, min( size
, sizeof(pthread_functions
) ));
45 /***********************************************************************
46 * wine_pthread_set_functions
48 void wine_pthread_set_functions_obsolete( const struct wine_pthread_functions
*functions
, size_t size
)
50 memcpy( &pthread_functions
, functions
, min( size
, sizeof(pthread_functions
) ));
54 /***********************************************************************
57 * Switch to the specified stack to call the function and return.
60 extern int wine_call_on_stack_obsolete( int (*func
)(void *), void *arg
, void *stack
);
61 #if defined(__i386__) && defined(__GNUC__)
62 __ASM_GLOBAL_FUNC( wine_call_on_stack_obsolete
,
64 __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
65 __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
67 __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
68 __ASM_CFI(".cfi_rel_offset %esi,0\n\t")
70 __ASM_CFI(".cfi_def_cfa_register %esi\n\t")
71 "movl 12(%esp),%ecx\n\t" /* func */
72 "movl 16(%esp),%edx\n\t" /* arg */
73 "movl 20(%esp),%eax\n\t" /* stack */
82 __ASM_CFI(".cfi_adjust_cfa_offset -4\n\t")
83 __ASM_CFI(".cfi_same_value %esi\n\t")
85 __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
86 __ASM_CFI(".cfi_same_value %ebp\n\t")
88 #elif defined(__x86_64__) && defined(__GNUC__)
89 __ASM_GLOBAL_FUNC( wine_call_on_stack_obsolete
,
91 __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
92 __ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
94 __ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
95 "movq %rdi,%rax\n\t" /* func */
96 "movq %rsi,%rdi\n\t" /* arg */
97 "andq $~15,%rdx\n\t" /* stack */
99 "callq *%rax\n\t" /* call func */
101 __ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
103 __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
104 __ASM_CFI(".cfi_same_value %rbp\n\t")
108 /***********************************************************************
109 * wine_switch_to_stack
111 * Switch to the specified stack and call the function.
113 void DECLSPEC_NORETURN
wine_switch_to_stack_obsolete( void (*func
)(void *), void *arg
, void *stack
)
115 wine_call_on_stack_obsolete( (int (*)(void *))func
, arg
, stack
);
119 __ASM_OBSOLETE(wine_pthread_get_functions
);
120 __ASM_OBSOLETE(wine_pthread_set_functions
);
121 __ASM_OBSOLETE(wine_call_on_stack
);
122 __ASM_OBSOLETE(wine_switch_to_stack
);
124 #endif /* __ASM_OBSOLETE */