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-rw-r--r--linux-user/signal-common.h1
-rw-r--r--linux-user/signal.c17
2 files changed, 18 insertions, 0 deletions
diff --git a/linux-user/signal-common.h b/linux-user/signal-common.h
index 58ea23f..79511be 100644
--- a/linux-user/signal-common.h
+++ b/linux-user/signal-common.h
@@ -40,6 +40,7 @@ void tswap_siginfo(target_siginfo_t *tinfo,
void set_sigmask(const sigset_t *set);
void force_sig(int sig);
void force_sigsegv(int oldsig);
+void force_sig_fault(int sig, int code, abi_ulong addr);
#if defined(TARGET_ARCH_HAS_SETUP_FRAME)
void setup_frame(int sig, struct target_sigaction *ka,
target_sigset_t *set, CPUArchState *env);
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 910b9dc..2038216 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -651,6 +651,23 @@ void force_sig(int sig)
queue_signal(env, info.si_signo, QEMU_SI_KILL, &info);
}
+/*
+ * Force a synchronously taken QEMU_SI_FAULT signal. For QEMU the
+ * 'force' part is handled in process_pending_signals().
+ */
+void force_sig_fault(int sig, int code, abi_ulong addr)
+{
+ CPUState *cpu = thread_cpu;
+ CPUArchState *env = cpu->env_ptr;
+ target_siginfo_t info = {};
+
+ info.si_signo = sig;
+ info.si_errno = 0;
+ info.si_code = code;
+ info._sifields._sigfault._addr = addr;
+ queue_signal(env, sig, QEMU_SI_FAULT, &info);
+}
+
/* Force a SIGSEGV if we couldn't write to memory trying to set
* up the signal frame. oldsig is the signal we were trying to handle
* at the point of failure.