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linux-user: Add HPPA target_signal.h and target_cpu.h 

The cpu.h structure that these manipulate hasn't been defined
yet, but we haven't enabled compilation yet either.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-12-15 09:58:14 -08:00
parent 22991d19ab
commit 925ccf3236
2 changed files with 64 additions and 0 deletions
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35
linux-user/hppa/target_cpu.h Normal file
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/*
* HPPA specific CPU ABI and functions for linux-user
*
* Copyright (c) 2016 Richard Henderson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ALPHA_TARGET_CPU_H
#define ALPHA_TARGET_CPU_H
static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
{
if (newsp) {
env->gr[30] = newsp;
}
env->gr[28] = 0;
}
static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
{
env->cr27 = newtls;
}
#endif

29
linux-user/hppa/target_signal.h Normal file
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#ifndef HPPA_TARGET_SIGNAL_H
#define HPPA_TARGET_SIGNAL_H
#include "cpu.h"
/* this struct defines a stack used during syscall handling */
typedef struct target_sigaltstack {
abi_ulong ss_sp;
int32_t ss_flags;
abi_ulong ss_size;
} target_stack_t;
/*
* sigaltstack controls
*/
#define TARGET_SS_ONSTACK 1
#define TARGET_SS_DISABLE 2
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_SIGSTKSZ 8192
static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state)
{
return state->gr[30];
}
#endif /* HPPA_TARGET_SIGNAL_H */