0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
25 lines
489 B
ArmAsm
25 lines
489 B
ArmAsm
/* $NetBSD: sbrk.S,v 1.5 2014/08/23 02:24:22 matt Exp $ */
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#include "SYS.h"
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.hidden _C_LABEL(__curbrk)
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.globl _C_LABEL(__curbrk)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(sbrk, _sbrk)
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#endif
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ENTRY(_sbrk)
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addis %r8,%r2,_C_LABEL(__curbrk)@toc@ha
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ldptru %r6,_C_LABEL(__curbrk)@toc@l(%r8)
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add %r3,%r3,%r6
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mr %r7,%r3 # r7 = new break
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_DOSYSCALL(break) # break(new_break)
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bso 1f
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mr %r3,%r6 # set return value
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stptr %r7,0(%r8) # record new break
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blr
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1:
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BRANCH_TO_CERROR()
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END(_sbrk)
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