64 lines
911 B
C
64 lines
911 B
C
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/* Copyright (c) 2005-2007 Apple Inc. All Rights Reserved. */
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/*
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* giantDebug.c - debugging support
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*
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* Created Aug. 5 2005 by Doug Mitchell.
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*/
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#include <libGiants/giantDebug.h>
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#include <libGiants/giantTypes.h>
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#if GIANTS_DEBUG
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void GIRaise(const char *str)
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{
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printf("Fatal libGiants library error: %s\n", str);
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exit(1);
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}
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#endif /* GIANTS_DEBUG */
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#if GI_STACK_DEBUG
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void *gInitSp;
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void *giLowestSp;
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void GI_SET_INIT_SP(void)
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{
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gInitSp = GI_GET_SP();
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giLowestSp = NULL;
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}
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#ifdef __ppc__
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void *GI_GET_SP(void)
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{
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void *currsp;
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asm("mr %0,r1" : "=r"(currsp) : );
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return currsp;
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}
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#else
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#ifdef __i386__
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void *GI_GET_SP(void)
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{
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register void *sp __asm__("esp");
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return sp;
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}
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#else
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#ifdef __arm__
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void *GI_GET_SP(void)
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{
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register void *sp __asm__("r13");
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return sp;
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}
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#else
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#error Need a platform-dependent GI_GET_SP()
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#endif
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#endif
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#endif
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#endif /* GI_STACK_DEBUG */
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