bsd-user/signal.c: implement abstract target / host signal translation
Implement host_to_target_signal and target_to_host_signal. Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Kyle Evans <kevans@freebsd.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
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@ -13,8 +13,10 @@ long do_rt_sigreturn(CPUArchState *env);
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abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
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abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
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long do_sigreturn(CPUArchState *env);
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long do_sigreturn(CPUArchState *env);
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void force_sig_fault(int sig, int code, abi_ulong addr);
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void force_sig_fault(int sig, int code, abi_ulong addr);
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int host_to_target_signal(int sig);
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void process_pending_signals(CPUArchState *env);
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void process_pending_signals(CPUArchState *env);
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void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info);
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void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info);
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void signal_init(void);
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void signal_init(void);
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int target_to_host_signal(int sig);
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#endif
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#endif
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@ -2,6 +2,7 @@
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* Emulation of BSD signals
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* Emulation of BSD signals
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*
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*
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* Copyright (c) 2003 - 2008 Fabrice Bellard
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* Copyright (c) 2003 - 2008 Fabrice Bellard
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* Copyright (c) 2013 Stacey Son
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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@ -27,6 +28,21 @@
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* fork.
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* fork.
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*/
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*/
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/*
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* The BSD ABIs use the same singal numbers across all the CPU architectures, so
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* (unlike Linux) these functions are just the identity mapping. This might not
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* be true for XyzBSD running on AbcBSD, which doesn't currently work.
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*/
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int host_to_target_signal(int sig)
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{
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return sig;
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}
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int target_to_host_signal(int sig)
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{
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return sig;
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}
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/*
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/*
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* Queue a signal so that it will be send to the virtual CPU as soon as
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* Queue a signal so that it will be send to the virtual CPU as soon as
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* possible.
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* possible.
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