[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v5 11/67] linux-user/host/arm: Populate host_signal.h
From: |
Richard Henderson |
Subject: |
[PATCH v5 11/67] linux-user/host/arm: Populate host_signal.h |
Date: |
Thu, 14 Oct 2021 21:09:57 -0700 |
Split host_signal_pc and host_signal_write out of user-exec.c.
Drop the *BSD code, to be re-created under bsd-user/ later.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/host/arm/host-signal.h | 30 ++++++++++++++++++++-
accel/tcg/user-exec.c | 45 +------------------------------
2 files changed, 30 insertions(+), 45 deletions(-)
diff --git a/linux-user/host/arm/host-signal.h
b/linux-user/host/arm/host-signal.h
index f4b4d65031..6932224c1c 100644
--- a/linux-user/host/arm/host-signal.h
+++ b/linux-user/host/arm/host-signal.h
@@ -1 +1,29 @@
-#define HOST_SIGNAL_PLACEHOLDER
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (C) 2021 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef ARM_HOST_SIGNAL_H
+#define ARM_HOST_SIGNAL_H
+
+static inline uintptr_t host_signal_pc(ucontext_t *uc)
+{
+ return uc->uc_mcontext.arm_pc;
+}
+
+static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
+{
+ /*
+ * In the FSR, bit 11 is WnR, assuming a v6 or
+ * later processor. On v5 we will always report
+ * this as a read, which will fail later.
+ */
+ uint32_t fsr = uc->uc_mcontext.error_code;
+ return extract32(fsr, 11, 1);
+}
+
+#endif
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index 17fe867aeb..5656c654e1 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -255,50 +255,7 @@ void *probe_access(CPUArchState *env, target_ulong addr,
int size,
return size ? g2h(env_cpu(env), addr) : NULL;
}
-#if defined(__arm__)
-
-#if defined(__NetBSD__)
-#include <ucontext.h>
-#include <sys/siginfo.h>
-#endif
-
-int cpu_signal_handler(int host_signum, void *pinfo,
- void *puc)
-{
- siginfo_t *info = pinfo;
-#if defined(__NetBSD__)
- ucontext_t *uc = puc;
- siginfo_t *si = pinfo;
-#else
- ucontext_t *uc = puc;
-#endif
- unsigned long pc;
- uint32_t fsr;
- int is_write;
-
-#if defined(__NetBSD__)
- pc = uc->uc_mcontext.__gregs[_REG_R15];
-#elif defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 &&
__GLIBC_MINOR__ <= 3))
- pc = uc->uc_mcontext.gregs[R15];
-#else
- pc = uc->uc_mcontext.arm_pc;
-#endif
-
-#ifdef __NetBSD__
- fsr = si->si_trap;
-#else
- fsr = uc->uc_mcontext.error_code;
-#endif
- /*
- * In the FSR, bit 11 is WnR, assuming a v6 or
- * later processor. On v5 we will always report
- * this as a read, which will fail later.
- */
- is_write = extract32(fsr, 11, 1);
- return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
-}
-
-#elif defined(__aarch64__)
+#if defined(__aarch64__)
#if defined(__NetBSD__)
--
2.25.1
- [PATCH v5 09/67] linux-user/host/alpha: Populate host_signal.h, (continued)
- [PATCH v5 09/67] linux-user/host/alpha: Populate host_signal.h, Richard Henderson, 2021/10/15
- [PATCH v5 12/67] linux-user/host/aarch64: Populate host_signal.h, Richard Henderson, 2021/10/15
- [PATCH v5 13/67] linux-user/host/s390: Populate host_signal.h, Richard Henderson, 2021/10/15
- [PATCH v5 15/67] linux-user/host/riscv: Populate host_signal.h, Richard Henderson, 2021/10/15
- [PATCH v5 16/67] target/arm: Fixup comment re handle_cpu_signal, Richard Henderson, 2021/10/15
- [PATCH v5 20/67] linux-user: Add cpu_loop_exit_sigsegv, Richard Henderson, 2021/10/15
- [PATCH v5 11/67] linux-user/host/arm: Populate host_signal.h,
Richard Henderson <=
- [PATCH v5 17/67] linux-user/host/riscv: Improve host_signal_write, Richard Henderson, 2021/10/15
- [PATCH v5 14/67] linux-user/host/mips: Populate host_signal.h, Richard Henderson, 2021/10/15
- [PATCH v5 19/67] hw/core: Add TCGCPUOps.record_sigsegv, Richard Henderson, 2021/10/15
- [PATCH v5 21/67] target/alpha: Implement alpha_cpu_record_sigsegv, Richard Henderson, 2021/10/15
- [PATCH v5 24/67] target/cris: Make cris_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/15
- [PATCH v5 18/67] linux-user/signal: Drop HOST_SIGNAL_PLACEHOLDER, Richard Henderson, 2021/10/15
- [PATCH v5 31/67] target/nios2: Implement nios2_cpu_record_sigsegv, Richard Henderson, 2021/10/15
- [PATCH v5 22/67] target/arm: Use cpu_loop_exit_sigsegv for mte tag lookup, Richard Henderson, 2021/10/15