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57 lines
1.4 KiB
ArmAsm
57 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1991, 92, 93, 95, 97, 98 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#ifndef SYS_brk
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#define SYS_brk 17
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#endif
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.data
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.globl C_SYMBOL_NAME(__curbrk)
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C_LABEL(__curbrk)
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#ifdef HAVE_GNU_LD
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.long C_SYMBOL_NAME(_end)
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#else
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.long C_SYMBOL_NAME(end)
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#endif
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.text
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SYSCALL__ (brk, 1)
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#ifdef PIC
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ldr r1, 1f
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ldr r2, _cb_addr
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2: add r1, pc, r1
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add r1, r1, r2
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#else
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ldr r1, _cb_addr
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#endif
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str r0, [r1]
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mov r0, $0
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RETINSTR(mov, pc, r14)
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#ifdef PIC
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1: .long _GLOBAL_OFFSET_TABLE_ - 2b - 8
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_cb_addr:
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.long C_SYMBOL_NAME(__curbrk)(GOTOFF)
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#else
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_cb_addr:
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.long C_SYMBOL_NAME(__curbrk)
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#endif
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weak_alias (__brk, brk)
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