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59030bfc59
Original commit message from CVS: Patch from Chris Emerson for PPC. cothreads stuff was causing segfaults, because the stack needs to be initialised with a particular structure on PPC, unlike x86 where it simply has items pushed or popped. Added Chris to AUTHORS, for his trouble.
26 lines
612 B
C
26 lines
612 B
C
#ifndef GST_HGUARD_GSTPPC_H
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#define GST_HGUARD_GSTPPC_H
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/* FIXME: Hmm - does this work?
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*/
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#define GET_SP(target) \
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__asm__("stw 1,%0" : "=m"(target) : : "r1");
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#define SET_SP(source) \
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__asm__("lwz 1,%0" : "=m"(source))
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#define JUMP(target) \
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__asm__("b " SYMBOL_NAME_STR(cothread_stub))
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struct minimal_ppc_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_ppc_stackframe *)sp)->back_chain = 0;
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#endif /* GST_HGUARD_GSTPPC_H */
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