48 lines
685 B
C
48 lines
685 B
C
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#ifdef __PPC__
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/* Called with the return address of the caller in r0.
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* Can't change any register besides r0, r11-r12, ctr, ccr0.
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* Puts r0 back into lr before returning.
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*/
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asm("
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.section \".text\"
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.align 2
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.globl __stkchk1
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.type __stkchk1,@function
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__stkchk1:
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"
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#if defined(LBASEREL)
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"
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addis 12,13,__stk_limit@drelha
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mflr 11
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lwz 12,__stk_limit@drell(12)
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"
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#elif defined(BASEREL)
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"
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mflr 11
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lwz 12,__stk_limit@sdarel(13)
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"
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#else
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"
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lis 12,__stk_limit@ha
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mflr 11
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lwz 12,__stk_limit@l(12)
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"
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#endif
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"
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mtctr 11
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cmp 0,12,1
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mtlr 0
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bltctr+
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b __stkovf
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__end_stkchk1:
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.size __stkchk1,__end_stkchk1-__stkchk1
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");
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#endif
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