148 lines
5.0 KiB
C
148 lines
5.0 KiB
C
/*
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* Wine portability routines
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*
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* Copyright 2000 Alexandre Julliard
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "wine/library.h"
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#include "wine/pthread.h"
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/* Note: the wine_pthread functions are just placeholders,
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* they will be overridden by the pthread support code.
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*/
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/***********************************************************************
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* wine_pthread_init_process
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*/
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void wine_pthread_init_process( const struct wine_pthread_functions *functions )
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{
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}
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/***********************************************************************
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* wine_pthread_init_thread
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*/
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void wine_pthread_init_thread( struct wine_pthread_thread_info *info )
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{
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}
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/***********************************************************************
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* wine_pthread_create_thread
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*/
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int wine_pthread_create_thread( struct wine_pthread_thread_info *info )
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{
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return -1;
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}
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/***********************************************************************
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* wine_pthread_init_current_teb
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*/
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void wine_pthread_init_current_teb( struct wine_pthread_thread_info *info )
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{
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}
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/***********************************************************************
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* wine_pthread_get_current_teb
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*/
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void *wine_pthread_get_current_teb(void)
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{
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return NULL;
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}
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/***********************************************************************
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* wine_pthread_exit_thread
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*/
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void wine_pthread_exit_thread( struct wine_pthread_thread_info *info )
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{
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exit( info->exit_status );
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}
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/***********************************************************************
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* wine_pthread_abort_thread
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*/
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void wine_pthread_abort_thread( int status )
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{
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exit( status );
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}
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/***********************************************************************
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* wine_switch_to_stack
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*
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* Switch to the specified stack and call the function.
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*/
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void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack );
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#if defined(__i386__) && defined(__GNUC__)
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__ASM_GLOBAL_FUNC( wine_switch_to_stack,
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"movl 4(%esp),%ecx\n\t" /* func */
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"movl 8(%esp),%edx\n\t" /* arg */
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"movl 12(%esp),%esp\n\t" /* stack */
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"pushl %edx\n\t"
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"xorl %ebp,%ebp\n\t"
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"call *%ecx\n\t"
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"int $3" /* we never return here */ );
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#elif defined(__i386__) && defined(_MSC_VER)
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__declspec(naked) void wine_switch_to_stack( void (*func)(void *), void *arg, void *stack )
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{
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__asm mov ecx, 4[esp];
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__asm mov edx, 8[esp];
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__asm mov esp, 12[esp];
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__asm push edx;
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__asm xor ebp, ebp;
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__asm call [ecx];
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__asm int 3;
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}
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#elif defined(__sparc__) && defined(__GNUC__)
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__ASM_GLOBAL_FUNC( wine_switch_to_stack,
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"mov %o0, %l0\n\t" /* store first argument */
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"mov %o1, %l1\n\t" /* store second argument */
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"sub %o2, 96, %sp\n\t" /* store stack */
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"call %l0, 0\n\t" /* call func */
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"mov %l1, %o0\n\t" /* delay slot: arg for func */
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"ta 0x01"); /* breakpoint - we never get here */
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#elif defined(__powerpc__) && defined(__APPLE__)
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__ASM_GLOBAL_FUNC( wine_switch_to_stack,
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"mtctr r3\n\t" /* func -> ctr */
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"mr r3,r4\n\t" /* args -> function param 1 (r3) */
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"mr r1,r5\n\t" /* stack */
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"subi r1,r1,0x100\n\t" /* adjust stack pointer */
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"bctr\n" /* call ctr */
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"1:\tb 1b"); /* loop */
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#elif defined(__powerpc__) && defined(__GNUC__)
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__ASM_GLOBAL_FUNC( wine_switch_to_stack,
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"mtctr 3\n\t" /* func -> ctr */
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"mr 3,4\n\t" /* args -> function param 1 (r3) */
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"mr 1,5\n\t" /* stack */
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"bctr\n\t" /* call ctr */
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"1:\tb 1b"); /* loop */
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#elif defined(__ALPHA__) && defined(__GNUC__)
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__ASM_GLOBAL_FUNC( wine_switch_to_stack,
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"mov $16,$0\n\t" /* func */
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"mov $17,$16\n\t" /* arg */
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"mov $18,$30\n\t" /* stack */
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"jsr $31,($0),0\n\t" /* call func */
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"L1:\tbr $31,L1"); /* loop */
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#else
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#error You must implement wine_switch_to_stack for your platform
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#endif
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