39 lines
651 B
ArmAsm
39 lines
651 B
ArmAsm
/* $NetBSD: sbrk.S,v 1.6 1999/03/31 11:53:08 kleink Exp $ */
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#include "SYS.h"
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.globl _C_LABEL(__curbrk)
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.globl _C_LABEL(_end)
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.data
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_C_LABEL(__curbrk):
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.long _C_LABEL(_end)
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.text
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ENTRY(sbrk)
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#ifdef PIC
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mflr 10
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 5
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mtlr 10
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lwz 5,_C_LABEL(__curbrk)@got(5)
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lwz 6,0(5)
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#else
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lis 5,_C_LABEL(__curbrk)@ha
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lwz 6,_C_LABEL(__curbrk)@l(5) # r6 = old break
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#endif
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add 3,3,6
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mr 7,3 # r7 = new break
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li 0,SYS_break
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sc # break(new_break)
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bso 1f
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mr 3,6 # set return value
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#ifdef PIC
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stw 7,0(5)
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#else
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stw 7,_C_LABEL(__curbrk)@l(5) # record new break
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#endif
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blr
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1:
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b PIC_PLT(_C_LABEL(__cerror))
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