ack/mach/ns/libsys/sbrk.s

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ArmAsm
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.define _sbrk
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.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
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.extern _sbrk
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.sect .text
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_sbrk:
enter[], 0
movd @.reghp,r7
addd 8(fp),r7
movd r7,@.reghp
movd @.reghp,r4
exit []
ret 0