38 lines
1.3 KiB
ArmAsm
38 lines
1.3 KiB
ArmAsm
/* Copyright (C) 2012-2016 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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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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/* We do not want .eh_frame info so that __makecontext_ret stops unwinding
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if backtrace was called within a context created by makecontext. (There
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is also no .eh_frame info for _start or thread_start.) */
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#undef cfi_startproc
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#define cfi_startproc
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#undef cfi_endproc
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#define cfi_endproc
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ENTRY(__makecontext_ret)
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basr %r14,%r7
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ltgr %r8,%r8 /* Check whether uc_link is 0. */
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jz 1f
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lgr %r2,%r8
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br %r9
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1: lghi %r2,0
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brasl %r14,HIDDEN_JUMPTARGET (exit)
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j .+2 /* Trap if exit returns. */
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END(__makecontext_ret)
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