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Added PowerPC support in SYSDEPS_SwitchToThreadStack.

This commit is contained in:
Pierre d'Herbemont 2003-07-24 00:02:40 +00:00 committed by Alexandre Julliard
parent 8b644f86bf
commit 8eb55b8892
1 changed files with 21 additions and 1 deletions
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22
dlls/ntdll/sysdeps.c
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@ -240,7 +240,27 @@ __ASM_GLOBAL_FUNC( SYSDEPS_SwitchToThreadStack,
"call %l0, 0\n\t" /* call func */
"mov %l1, %o0\n\t" /* delay slot: arg for func */
"ta 0x01\n\t"); /* breakpoint - we never get here */
#else /* !sparc, !i386 */
#elif defined(__powerpc__) && defined(__APPLE__)
/* Darwin SYSDEPS_SwitchToThreadStack
Function Pointer to call is on r3, Args to pass on r4 and stack on r1 */
__ASM_GLOBAL_FUNC( SYSDEPS_SwitchToThreadStack,
"stw r1, 0x4(r13)\n\t" /* teb->stack_top */
"mr r12,r3\n\t"
"mtctr r12\n\t" /* func->ctr */
"mr r3,r4\n\t" /* args->function param 1 (r3) */
"bctr\n\t" /* call ctr */
"b _SYSDEPS_SwitchToThreadStack+24\n\t"); /* loop */
#elif defined(__powerpc__) && defined(__GNUC__)
/* Linux SYSDEPS_SwitchToThreadStack
Function Pointer to call is on r3, Args to pass on r4 and stack on r1 */
__ASM_GLOBAL_FUNC( SYSDEPS_SwitchToThreadStack,
"stw 1, 0x4(13)\n\t" /* teb->stack_top */
"mr 12,3\n\t"
"mtctr 12\n\t" /* func->ctr */
"mr 3,4\n\t" /* args->function param 1 (r3) */
"bctr\n\t" /* call ctr */
"b _SYSDEPS_SwitchToThreadStack+24\n\t"); /* loop */
#else /* !powerpc, !sparc, !i386 */
void SYSDEPS_SwitchToThreadStack( void (*func)(void *), void *arg )
{
func( arg );