/*
* Wine portability routines
*
* Copyright 2000 Alexandre Julliard
*
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*
* Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
* the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
* a choice of LGPL license versions is made available with the language indicating
* that LGPLv2 or any later version may be used, or where a choice of which version
* of the LGPL is applied is otherwise unspecified.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
/* no longer used, for backwards compatibility only */
struct wine_pthread_functions;
/***********************************************************************
* wine_pthread_get_functions
*/
{
}
/***********************************************************************
* wine_pthread_set_functions
*/
{
}
/***********************************************************************
* wine_switch_to_stack
*
* Switch to the specified stack and call the function.
*/
"mov %o0, %l0\n\t" /* store first argument */
"mov %o1, %l1\n\t" /* store second argument */
"sub %o2, 96, %sp\n\t" /* store stack */
"call %l0, 0\n\t" /* call func */
"mov %l1, %o0\n\t" /* delay slot: arg for func */
"ta 0x01") /* breakpoint - we never get here */
"mtctr r3\n\t" /* func -> ctr */
"mr r3,r4\n\t" /* args -> function param 1 (r3) */
"mr r1,r5\n\t" /* stack */
"subi r1,r1,0x100\n\t" /* adjust stack pointer */
"bctrl\n" /* call ctr */
"1:\tb 1b") /* loop */
"mov $16,$0\n\t" /* func */
"mov $17,$16\n\t" /* arg */
"mov $18,$30\n\t" /* stack */
"jsr $31,($0),0\n\t" /* call func */
"L1:\tbr $31,L1") /* loop */
#else
{
abort();
}
#endif
/***********************************************************************
* wine_call_on_stack
*
* Switch to the specified stack to call the function and return.
*/
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"pushl %esi\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %esi,0\n\t")
"movl %esp,%esi\n\t"
__ASM_CFI(".cfi_def_cfa_register %esi\n\t")
"movl 12(%esp),%ecx\n\t" /* func */
"movl 16(%esp),%edx\n\t" /* arg */
"movl 20(%esp),%eax\n\t" /* stack */
"andl $~15,%eax\n\t"
"subl $12,%eax\n\t"
"movl %eax,%esp\n\t"
"pushl %edx\n\t"
"xorl %ebp,%ebp\n\t"
"call *%ecx\n\t"
"movl %esi,%esp\n\t"
"popl %esi\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -4\n\t")
__ASM_CFI(".cfi_same_value %esi\n\t")
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
{
}
"pushq %rbp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
__ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
"movq %rsp,%rbp\n\t"
__ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
"movq %rdi,%rax\n\t" /* func */
"movq %rsi,%rdi\n\t" /* arg */
"andq $~15,%rdx\n\t" /* stack */
"movq %rdx,%rsp\n\t"
"callq *%rax\n\t" /* call func */
"movq %rbp,%rsp\n\t"
__ASM_CFI(".cfi_def_cfa_register %rsp\n\t")
"popq %rbp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset -8\n\t")
__ASM_CFI(".cfi_same_value %rbp\n\t")
"ret")
"mflr 0\n\t" /* get return address */
"stw 0, 4(1)\n\t" /* save return address */
"subi 5, 5, 16\n\t" /* reserve space on new stack */
"stw 1, 12(5)\n\t" /* store old sp */
"mtctr 3\n\t" /* func -> ctr */
"mr 3,4\n\t" /* args -> function param 1 (r3) */
"mr 1,5\n\t" /* stack */
"li 0, 0\n\t" /* zero */
"stw 0, 0(1)\n\t" /* bottom of stack */
"stwu 1, -16(1)\n\t" /* create a frame for this function */
"bctrl\n\t" /* call ctr */
"lwz 1, 28(1)\n\t" /* fetch old sp */
"lwz 0, 4(1)\n\t" /* fetch return address */
"mtlr 0\n\t" /* return address -> lr */
"blr") /* return */
"str r14, [r13, #4]\n\t" /* save return address on stack */
"sub r2, r2, #16\n\t" /* reserve space on new stack */
"str r13, [r2, #12]\n\t" /* store old sp */
"mov r3, r0\n\t" /* func */
"mov r0, r1\n\t" /* arg */
"mov r13, r2\n\t" /* stack */
"mov r2, #0\n\t" /* zero */
"str r2, [r13]\n\t" /* bottom of stack */
"sub r13, r13, #16\n\t" /* create a frame for this function */
"blx r3\n\t" /* call func */
"ldr r13, [r13, #28]\n\t" /* fetch old sp */
"ldr r15, [r13, #4]") /* fetch return address and return */
#else
#endif