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bsd-user: Add stubs for new signal routines

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Until the signal support is merged from the bsd-user fork, we need stubs
for cpu_loop_exit_sigsegv and cpu_loop_exit_sigbus to link. These call
abort after logging a message. Since singals aren't supported here
yet, this is sufficient.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20211102225248.52999-2-imp@bsdimp.com>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2021-11-02 16:52:19 -06:00 committed by Richard Henderson
parent 7fa736595e
commit 835b04ed79
1 changed files with 21 additions and 0 deletions
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21
bsd-user/signal.c
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@ -20,6 +20,11 @@
#include "qemu/osdep.h"
#include "qemu.h"
/*
* Stubbed out routines until we merge signal support from bsd-user
* fork.
*/
/*
* Queue a signal so that it will be send to the virtual CPU as soon as
* possible.
@ -36,3 +41,19 @@ void signal_init(void)
void process_pending_signals(CPUArchState *cpu_env)
{
}
void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
MMUAccessType access_type, bool maperr, uintptr_t ra)
{
qemu_log_mask(LOG_UNIMP, "No signal support for SIGSEGV\n");
/* unreachable */
abort();
}
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();
}