version 1.1, 1999/12/03 07:39:09 |
version 1.2, 2000/04/10 08:31:31 |
Line 62 asm static void PushMacRegisters() |
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Line 62 asm static void PushMacRegisters() |
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#endif /* __MWERKS__ */ |
#endif /* __MWERKS__ */ |
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# if defined(SPARC) || defined(IA64) |
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/* Value returned from register flushing routine; either sp (SPARC) */ |
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/* or ar.bsp (IA64) */ |
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word GC_save_regs_ret_val; |
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# endif |
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/* Routine to mark from registers that are preserved by the C compiler. */ |
/* Routine to mark from registers that are preserved by the C compiler. */ |
/* This must be ported to every new architecture. There is a generic */ |
/* This must be ported to every new architecture. There is a generic */ |
/* version at the end, that is likely, but not guaranteed to work */ |
/* version at the end, that is likely, but not guaranteed to work */ |
Line 268 void GC_push_regs() |
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Line 274 void GC_push_regs() |
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asm ("movd r7, tos"); asm ("bsr ?_GC_push_one"); asm ("adjspb $-4"); |
asm ("movd r7, tos"); asm ("bsr ?_GC_push_one"); asm ("adjspb $-4"); |
# endif |
# endif |
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# ifdef SPARC |
# if defined(SPARC) || defined(IA64) |
{ |
{ |
word GC_save_regs_in_stack(); |
word GC_save_regs_in_stack(); |
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/* generic code will not work */ |
/* generic code will not work */ |
(void)GC_save_regs_in_stack(); |
GC_save_regs_ret_val = GC_save_regs_in_stack(); |
} |
} |
# endif |
# endif |
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Line 333 void GC_push_regs() |
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Line 339 void GC_push_regs() |
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# endif /* !__GNUC__ */ |
# endif /* !__GNUC__ */ |
# endif /* M68K/SYSV */ |
# endif /* M68K/SYSV */ |
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# if defined(PJ) |
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{ |
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register int * sp asm ("optop"); |
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extern int *__libc_stack_end; |
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GC_push_all_stack (sp, __libc_stack_end); |
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} |
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# endif |
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/* other machines... */ |
/* other machines... */ |
# if !(defined M68K) && !(defined VAX) && !(defined RT) |
# if !(defined M68K) && !(defined VAX) && !(defined RT) |
# if !(defined SPARC) && !(defined I386) && !(defined NS32K) |
# if !(defined SPARC) && !(defined I386) && !(defined NS32K) |
# if !defined(POWERPC) && !defined(UTS4) |
# if !defined(POWERPC) && !defined(UTS4) && !defined(IA64) |
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# if !defined(PJ) |
--> bad news <-- |
--> bad news <-- |
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# endif |
# endif |
# endif |
# endif |
# endif |
# endif |
# endif |
Line 398 ptr_t cold_gc_frame; |
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Line 414 ptr_t cold_gc_frame; |
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# endif |
# endif |
# endif |
# endif |
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/* On IA64, we also need to flush register windows. But they end */ |
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/* up on the other side of the stack segment. */ |
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/* Returns the backing store pointer for the register stack. */ |
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# ifdef IA64 |
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asm(" .text"); |
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asm(" .psr abi64"); |
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asm(" .psr lsb"); |
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asm(" .lsb"); |
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asm(""); |
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asm(" .text"); |
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asm(" .align 16"); |
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asm(" .global GC_save_regs_in_stack"); |
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asm(" .proc GC_save_regs_in_stack"); |
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asm("GC_save_regs_in_stack:"); |
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asm(" .body"); |
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asm(" flushrs"); |
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asm(" ;;"); |
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asm(" mov r8=ar.bsp"); |
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asm(" br.ret.sptk.few rp"); |
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asm(" .endp GC_save_regs_in_stack"); |
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# endif |
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/* GC_clear_stack_inner(arg, limit) clears stack area up to limit and */ |
/* GC_clear_stack_inner(arg, limit) clears stack area up to limit and */ |
/* returns arg. Stack clearing is crucial on SPARC, so we supply */ |
/* returns arg. Stack clearing is crucial on SPARC, so we supply */ |