diff options
| author | Warner Losh <imp@bsdimp.com> | 2022-01-08 16:48:03 -0700 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2022-01-28 15:52:39 -0700 |
| commit | 1366ef817a151f8f89a561494ea24204ad7917c7 (patch) | |
| tree | b2a430f8bead332de097d3d90b7d1a5d50a01205 | |
| parent | 67ccbe798fef0912da54ecfddcf6ef5f0a02020b (diff) | |
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>
| -rw-r--r-- | bsd-user/signal-common.h | 2 | ||||
| -rw-r--r-- | bsd-user/signal.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/bsd-user/signal-common.h b/bsd-user/signal-common.h index f9a9d1e01a..efed23d9ef 100644 --- a/bsd-user/signal-common.h +++ b/bsd-user/signal-common.h @@ -13,8 +13,10 @@ long do_rt_sigreturn(CPUArchState *env); abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp); long do_sigreturn(CPUArchState *env); void force_sig_fault(int sig, int code, abi_ulong addr); +int host_to_target_signal(int sig); void process_pending_signals(CPUArchState *env); void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info); void signal_init(void); +int target_to_host_signal(int sig); #endif diff --git a/bsd-user/signal.c b/bsd-user/signal.c index 844dfa1909..1313baec96 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -2,6 +2,7 @@ * Emulation of BSD signals * * Copyright (c) 2003 - 2008 Fabrice Bellard + * Copyright (c) 2013 Stacey Son * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -28,6 +29,21 @@ */ /* + * The BSD ABIs use the same singal numbers across all the CPU architectures, so + * (unlike Linux) these functions are just the identity mapping. This might not + * be true for XyzBSD running on AbcBSD, which doesn't currently work. + */ +int host_to_target_signal(int sig) +{ + return sig; +} + +int target_to_host_signal(int sig) +{ + return sig; +} + +/* * Queue a signal so that it will be send to the virtual CPU as soon as * possible. */ |