fc37dcfe1a
By failing to return from the syscall in the child, the child issues another clone syscall and hilarity ensues. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* HPPA specific CPU ABI and functions for linux-user
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*
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* Copyright (c) 2016 Richard Henderson
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*
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* This 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 of the License, or (at your option) any later version.
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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ALPHA_TARGET_CPU_H
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#define ALPHA_TARGET_CPU_H
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static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
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{
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if (newsp) {
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env->gr[30] = newsp;
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}
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/* Indicate child in return value. */
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env->gr[28] = 0;
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/* Return from the syscall. */
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env->iaoq_f = env->gr[31];
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env->iaoq_b = env->gr[31] + 4;
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}
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static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
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{
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env->cr27 = newtls;
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}
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#endif
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