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[PULL 11/40] bsd-user/signal.c: implement cpu_loop_exit_sigbus
From: |
Warner Losh |
Subject: |
[PULL 11/40] bsd-user/signal.c: implement cpu_loop_exit_sigbus |
Date: |
Mon, 31 Jan 2022 12:56:07 -0700 |
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>
---
bsd-user/signal.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index 12de0e2dea4..844dfa19095 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -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);
}
--
2.33.1
- [PULL 01/40] bsd-user: Complete FreeBSD siginfo, (continued)
- [PULL 01/40] bsd-user: Complete FreeBSD siginfo, Warner Losh, 2022/01/31
- [PULL 06/40] bsd-user: Bring in docs from linux-user for signal_pending, Warner Losh, 2022/01/31
- [PULL 10/40] bsd-user/signal.c: Implement cpu_loop_exit_sigsegv, Warner Losh, 2022/01/31
- [PULL 07/40] bsd-user/arm/target_arch_cpu.h: Move EXCP_ATOMIC to match linux-user, Warner Losh, 2022/01/31
- [PULL 36/40] bsd-user/signal.c: implement do_sigaction, Warner Losh, 2022/01/31
- [PULL 37/40] bsd-user/signal.c: do_sigaltstack, Warner Losh, 2022/01/31
- [PULL 29/40] bsd-user/signal.c: Fill in queue_signal, Warner Losh, 2022/01/31
- [PULL 35/40] bsd-user/signal.c: implement do_sigreturn, Warner Losh, 2022/01/31
- [PULL 04/40] bsd-user/arm/signal.c: get_mcontext should zero vfp data, Warner Losh, 2022/01/31
- [PULL 19/40] bsd-user/host/arm/host-signal.h: Implement host_signal_*, Warner Losh, 2022/01/31
- [PULL 11/40] bsd-user/signal.c: implement cpu_loop_exit_sigbus,
Warner Losh <=
- [PULL 05/40] bsd-user: Remove vestiges of signal queueing code, Warner Losh, 2022/01/31
- [PULL 12/40] bsd-user/arm/arget_arch_cpu.h: Move EXCP_DEBUG and EXCP_BKPT together, Warner Losh, 2022/01/31
- [PULL 14/40] bsd-user/arm/target_arch_cpu.h: Use force_sig_fault for EXCP_UDEF, Warner Losh, 2022/01/31
- [PULL 21/40] bsd-user/host/x86_64/host-signal.h: Implement host_signal_*, Warner Losh, 2022/01/31
- [PULL 30/40] bsd-user/signal.c: sigset manipulation routines., Warner Losh, 2022/01/31
- [PULL 39/40] bsd-user: Rename arg name for target_cpu_reset to env, Warner Losh, 2022/01/31
- [PULL 26/40] bsd-user/signal.c: Implement host_signal_handler, Warner Losh, 2022/01/31
- [PULL 23/40] bsd-user: Add trace events for bsd-user, Warner Losh, 2022/01/31
- [PULL 31/40] bsd-user/signal.c: setup_frame, Warner Losh, 2022/01/31
- [PULL 17/40] bsd-user/signal.c: Implement signal_init(), Warner Losh, 2022/01/31