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#include "SYS.h"
.data
.globl _end
.globl curbrk
.globl minbrk
_ASM_LABEL(curbrk):
.long _C_LABEL(end)
_ASM_LABEL(minbrk):
.long _C_LABEL(end)
.text
PREFIX2(sbrk,break)
/* call break(curbrk + size) */
#ifndef PIC
addis 6, 0, curbrk@H
ori 6, 6, curbrk@L /* # 6 = &curbrk */
#else
mflr 10
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr 9
mtlr 10
lwz 6,_ASM_LABEL(curbrk)@got(9)
#endif
lwz 5, 0(6) /* # 5 = *6 (old_curbrk) */
add 3, 5, 3 /* # 3 = new_curbrk */
mr 7, 3
sc
/* check for error */
cmpwi 0, 0
beq+ .L_sbrk_ok
b PIC_PLT(_ASM_LABEL(__cerror))
/* update, curbrk and return */
.L_sbrk_ok:
stw 7, 0(6) /* # remember, 6=&curbrk, 7=new_curbrk */
mr 3, 5 /* # remember, 5=old_curbrk */
blr
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