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53 lines
1.4 KiB
ArmAsm
53 lines
1.4 KiB
ArmAsm
/* brk system call for Linux/ppc.
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Copyright (C) 1995-2020 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, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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.comm __curbrk,4,4
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.section ".text"
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ENTRY (__brk)
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mflr r0
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stwu r1,-16(r1)
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cfi_adjust_cfa_offset (16)
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stw r3,8(r1)
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stw r0,20(r1)
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cfi_offset (lr, 4)
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DO_CALL(SYS_ify(brk))
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lwz r6,8(r1)
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#ifdef PIC
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SETUP_GOT_ACCESS(r5,got_label)
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addis r5,r5,__curbrk-got_label@ha
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stw r3,__curbrk-got_label@l(r5)
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#else
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lis r4,__curbrk@ha
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stw r3,__curbrk@l(r4)
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#endif
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lwz r0,20(r1)
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cmplw r6,r3
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addi r1,r1,16
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mtlr r0
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li r3,0
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blelr+
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li r3,ENOMEM
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b __syscall_error@local
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END (__brk)
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weak_alias (__brk, brk)
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