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
22 #include "wine/port.h"
29 #include <sys/types.h>
33 /* no longer used, for backwards compatibility only */
34 struct wine_pthread_functions
;
35 static void *pthread_functions
[8];
37 /***********************************************************************
38 * wine_pthread_get_functions
40 void wine_pthread_get_functions_obsolete( struct wine_pthread_functions
*functions
, size_t size
)
42 memcpy( functions
, &pthread_functions
, min( size
, sizeof(pthread_functions
) ));
46 /***********************************************************************
47 * wine_pthread_set_functions
49 void wine_pthread_set_functions_obsolete( const struct wine_pthread_functions
*functions
, size_t size
)
51 memcpy( &pthread_functions
, functions
, min( size
, sizeof(pthread_functions
) ));
55 /***********************************************************************
58 * Switch to the specified stack to call the function and return.
61 extern int wine_call_on_stack_obsolete( int (*func
)(void *), void *arg
, void *stack
);
62 #if defined(__i386__) && defined(__GNUC__)
63 __ASM_GLOBAL_FUNC( wine_call_on_stack_obsolete
,
65 __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
66 __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
68 __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
69 __ASM_CFI(".cfi_rel_offset %esi,0\n\t")
71 __ASM_CFI(".cfi_def_cfa_register %esi\n\t")
72 "movl 12(%esp),%ecx\n\t" /* func */
73 "movl 16(%esp),%edx\n\t" /* arg */
74 "movl 20(%esp),%eax\n\t" /* stack */
83 __ASM_CFI(".cfi_adjust_cfa_offset -4\n\t")
84 __ASM_CFI(".cfi_same_value %esi\n\t")
86 __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
87 __ASM_CFI(".cfi_same_value %ebp\n\t")
89 #elif defined(__x86_64__) && defined(__GNUC__)
90 __ASM_GLOBAL_FUNC( wine_call_on_stack_obsolete
,
92 __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
93 __ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
95 __ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
96 "movq %rdi,%rax\n\t" /* func */
97 "movq %rsi,%rdi\n\t" /* arg */
98 "andq $~15,%rdx\n\t" /* stack */
100 "callq *%rax\n\t" /* call func */
102 __ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
104 __ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
105 __ASM_CFI(".cfi_same_value %rbp\n\t")
109 /***********************************************************************
110 * wine_switch_to_stack
112 * Switch to the specified stack and call the function.
114 void DECLSPEC_NORETURN
wine_switch_to_stack_obsolete( void (*func
)(void *), void *arg
, void *stack
)
116 wine_call_on_stack_obsolete( (int (*)(void *))func
, arg
, stack
);
120 __ASM_OBSOLETE(wine_pthread_get_functions
);
121 __ASM_OBSOLETE(wine_pthread_set_functions
);
122 __ASM_OBSOLETE(wine_call_on_stack
);
123 __ASM_OBSOLETE(wine_switch_to_stack
);
125 #endif /* __ASM_OBSOLETE */