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[PATCH v5 27/31] linux-user/aarch64: Signal SEGV_MTESERR for sync tag ch
From: |
Richard Henderson |
Subject: |
[PATCH v5 27/31] linux-user/aarch64: Signal SEGV_MTESERR for sync tag check fault |
Date: |
Wed, 3 Feb 2021 09:00:06 -1000 |
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/aarch64/target_signal.h | 2 ++
linux-user/aarch64/cpu_loop.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/linux-user/aarch64/target_signal.h
b/linux-user/aarch64/target_signal.h
index ddd73169f0..777fb667fe 100644
--- a/linux-user/aarch64/target_signal.h
+++ b/linux-user/aarch64/target_signal.h
@@ -21,5 +21,7 @@ typedef struct target_sigaltstack {
#include "../generic/signal.h"
+#define TARGET_SEGV_MTESERR 9 /* Synchronous ARM MTE exception */
+
#define TARGET_ARCH_HAS_SETUP_FRAME
#endif /* AARCH64_TARGET_SIGNAL_H */
diff --git a/linux-user/aarch64/cpu_loop.c b/linux-user/aarch64/cpu_loop.c
index 4e43906e66..b6a2e65593 100644
--- a/linux-user/aarch64/cpu_loop.c
+++ b/linux-user/aarch64/cpu_loop.c
@@ -134,6 +134,9 @@ void cpu_loop(CPUARMState *env)
case 0x0d ... 0x0f: /* Permission fault, level {1-3} */
info.si_code = TARGET_SEGV_ACCERR;
break;
+ case 0x11: /* Synchronous Tag Check Fault */
+ info.si_code = TARGET_SEGV_MTESERR;
+ break;
default:
g_assert_not_reached();
}
--
2.25.1
- [PATCH v5 07/31] linux-user: Tidy VERIFY_READ/VERIFY_WRITE, (continued)
- [PATCH v5 07/31] linux-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/03
- [PATCH v5 10/31] linux-user: Fix guest_addr_valid vs reserved_va, Richard Henderson, 2021/02/03
- [PATCH v5 11/31] exec: Introduce cpu_untagged_addr, Richard Henderson, 2021/02/03
- [PATCH v5 12/31] exec: Use cpu_untagged_addr in g2h; split out g2h_untagged, Richard Henderson, 2021/02/03
- [PATCH v5 14/31] linux-user: Use guest_range_valid in access_ok, Richard Henderson, 2021/02/03
- [PATCH v5 15/31] exec: Rename guest_{addr,range}_valid to *_untagged, Richard Henderson, 2021/02/03
- [PATCH v5 27/31] linux-user/aarch64: Signal SEGV_MTESERR for sync tag check fault,
Richard Henderson <=
- [PATCH v5 28/31] linux-user/aarch64: Signal SEGV_MTEAERR for async tag check error, Richard Henderson, 2021/02/03
- [PATCH v5 06/31] linux-user: Check for overflow in access_ok, Richard Henderson, 2021/02/03
- [PATCH v5 04/31] exec: Use uintptr_t in cpu_ldst.h, Richard Henderson, 2021/02/03
- [PATCH v5 09/31] linux-user: Do not use guest_addr_valid for h2g_valid, Richard Henderson, 2021/02/03
- [PATCH v5 08/31] bsd-user: Tidy VERIFY_READ/VERIFY_WRITE, Richard Henderson, 2021/02/03
- [PATCH v5 13/31] linux-user: Explicitly untag memory management syscalls, Richard Henderson, 2021/02/03
- [PATCH v5 16/31] linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged, Richard Henderson, 2021/02/03