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authorRichard Henderson <richard.henderson@linaro.org>2021-10-04 19:39:29 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-11-02 07:00:52 -0400
commit742f07628c0a0bd847b47ee0a0b20c44531e0ba5 (patch)
treeb65c5b3f5682c439d84b5b5b52392303a24bac57 /linux-user
parent37e891e38fe1e81fc468d8a000912f8e7ee61336 (diff)
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>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/signal.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index df2c8678d0..81c45bfce9 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -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;