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linux-user: Handle BUS_ADRALN in host_signal_handler 

Handle BUS_ADRALN via cpu_loop_exit_sigbus, but allow other SIGBUS
si_codes to continue into the host-to-guest signal conversion code.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2021-10-04 19:39:29 -07:00
parent 37e891e38f
commit 742f07628c
1 changed files with 3 additions and 0 deletions
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3
linux-user/signal.c
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@ -860,6 +860,9 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
cpu_loop_exit_sigsegv(cpu, guest_addr, access_type, maperr, pc);
} else {
sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL);
if (info->si_code == BUS_ADRALN) {
cpu_loop_exit_sigbus(cpu, guest_addr, access_type, pc);
}
}
sync_sig = true;