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libwine: Implement wine_call_on_stack for ppc.

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Simon Richter 2008-05-31 10:50:36 +02:00 committed by Alexandre Julliard
parent 238e1868b2
commit ff77ba8e17
1 changed files with 17 additions and 0 deletions
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17
libs/wine/port.c
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@ -179,6 +179,23 @@ __ASM_GLOBAL_FUNC( wine_call_on_stack,
"popq %rbx\n\t"
"popq %rbp\n\t"
"ret")
#elif defined(__powerpc__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_call_on_stack,
"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 */
#else
#error You must implement wine_switch_to_stack for your platform
#endif