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[PATCH v3 19/40] bsd-user/host/arm/host-signal.h: Implement host_signal_
From: |
Warner Losh |
Subject: |
[PATCH v3 19/40] bsd-user/host/arm/host-signal.h: Implement host_signal_* |
Date: |
Fri, 28 Jan 2022 16:27:44 -0700 |
Implement host_signal_pc, host_signal_set_pc and host_signal_write for
arm.
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/host/arm/host-signal.h | 35 +++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 bsd-user/host/arm/host-signal.h
diff --git a/bsd-user/host/arm/host-signal.h b/bsd-user/host/arm/host-signal.h
new file mode 100644
index 00000000000..56679bd6993
--- /dev/null
+++ b/bsd-user/host/arm/host-signal.h
@@ -0,0 +1,35 @@
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (c) 2021 Warner Losh
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef ARM_HOST_SIGNAL_H
+#define ARM_HOST_SIGNAL_H
+
+#include <sys/ucontext.h>
+
+static inline uintptr_t host_signal_pc(ucontext_t *uc)
+{
+ return uc->uc_mcontext.__gregs[_REG_PC];
+}
+
+static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
+{
+ uc->uc_mcontext.__gregs[_REG_PC] = pc;
+}
+
+static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
+{
+ /*
+ * In the FSR, bit 11 is WnR. FreeBSD returns this as part of the
+ * si_info.si_trapno.
+ */
+ uint32_t fsr = info->si_trapno;
+
+ return extract32(fsr, 11, 1);
+}
+
+#endif
--
2.33.1
- [PATCH v3 25/40] bsd-user/signal.c: Implement rewind_if_in_safe_syscall, (continued)
- [PATCH v3 25/40] bsd-user/signal.c: Implement rewind_if_in_safe_syscall, Warner Losh, 2022/01/28
- [PATCH v3 17/40] bsd-user/signal.c: Implement signal_init(), Warner Losh, 2022/01/28
- [PATCH v3 22/40] bsd-user: Add host signals to the build, Warner Losh, 2022/01/28
- [PATCH v3 23/40] bsd-user: Add trace events for bsd-user, Warner Losh, 2022/01/28
- [PATCH v3 28/40] bsd-user/signal.c: Implement dump_core_and_abort, Warner Losh, 2022/01/28
- [PATCH v3 32/40] bsd-user/signal.c: handle_pending_signal, Warner Losh, 2022/01/28
- [PATCH v3 40/40] bsd-user/freebsd/target_os_ucontext.h: Prefer env as arg name for CPUArchState args, Warner Losh, 2022/01/28
- [PATCH v3 39/40] bsd-user: Rename arg name for target_cpu_reset to env, Warner Losh, 2022/01/28
- [PATCH v3 30/40] bsd-user/signal.c: sigset manipulation routines., Warner Losh, 2022/01/28
- [PATCH v3 37/40] bsd-user/signal.c: do_sigaltstack, Warner Losh, 2022/01/28
- [PATCH v3 19/40] bsd-user/host/arm/host-signal.h: Implement host_signal_*,
Warner Losh <=
- [PATCH v3 29/40] bsd-user/signal.c: Fill in queue_signal, Warner Losh, 2022/01/28
- [PATCH v3 31/40] bsd-user/signal.c: setup_frame, Warner Losh, 2022/01/28
- [PATCH v3 27/40] bsd-user/strace.c: print_taken_signal, Warner Losh, 2022/01/28
- [PATCH v3 33/40] bsd-user/signal.c: tswap_siginfo, Warner Losh, 2022/01/28
- [PATCH v3 34/40] bsd-user/signal.c: process_pending_signals, Warner Losh, 2022/01/28
- [PATCH v3 38/40] MAINTAINERS: Add tests/vm/*bsd to the list to get reviews on, Warner Losh, 2022/01/28