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bsd-user/signal.c: implement cpu_loop_exit_sigbus 

First attempt at implementing cpu_loop_exit_sigbus, mostly copied from
linux-user version of this function.

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>
master
Warner Losh 2022-01-08 16:06:33 -07:00
parent fc9f9bdd3a
commit cfdee273c4
1 changed files with 9 additions and 3 deletions
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12
bsd-user/signal.c
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@ -80,7 +80,13 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
MMUAccessType access_type, uintptr_t ra)
{
qemu_log_mask(LOG_UNIMP, "No signal support for SIGBUS\n");
/* unreachable */
abort();
const struct TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
if (tcg_ops->record_sigbus) {
tcg_ops->record_sigbus(cpu, addr, access_type, ra);
}
force_sig_fault(TARGET_SIGBUS, TARGET_BUS_ADRALN, addr);
cpu->exception_index = EXCP_INTERRUPT;
cpu_loop_exit_restore(cpu, ra);
}