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[PATCH v2 15/15] linux-user/sparc: Handle tag overflow traps
From: |
Richard Henderson |
Subject: |
[PATCH v2 15/15] linux-user/sparc: Handle tag overflow traps |
Date: |
Wed, 15 Feb 2023 19:45:16 -1000 |
This trap is raised by taddcctv and tsubcctv insns.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/sparc/target_signal.h | 2 +-
linux-user/syscall_defs.h | 5 +++++
linux-user/sparc/cpu_loop.c | 3 +++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h
index 87757f0c4e..f223eb4af6 100644
--- a/linux-user/sparc/target_signal.h
+++ b/linux-user/sparc/target_signal.h
@@ -8,7 +8,7 @@
#define TARGET_SIGTRAP 5
#define TARGET_SIGABRT 6
#define TARGET_SIGIOT 6
-#define TARGET_SIGSTKFLT 7 /* actually EMT */
+#define TARGET_SIGEMT 7
#define TARGET_SIGFPE 8
#define TARGET_SIGKILL 9
#define TARGET_SIGBUS 10
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 77864de57f..614a1cbc8e 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -717,6 +717,11 @@ typedef struct target_siginfo {
#define TARGET_TRAP_HWBKPT (4) /* hardware breakpoint/watchpoint */
#define TARGET_TRAP_UNK (5) /* undiagnosed trap */
+/*
+ * SIGEMT si_codes
+ */
+#define TARGET_EMT_TAGOVF 1 /* tag overflow */
+
#include "target_resource.h"
struct target_pollfd {
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 5a8a71e976..b36bb2574b 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -328,6 +328,9 @@ void cpu_loop (CPUSPARCState *env)
case TT_PRIV_INSN:
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->pc);
break;
+ case TT_TOVF:
+ force_sig_fault(TARGET_SIGEMT, TARGET_EMT_TAGOVF, env->pc);
+ break;
#ifdef TARGET_SPARC64
case TT_PRIV_ACT:
/* Note do_privact defers to do_privop. */
--
2.34.1
- [PATCH v2 05/15] linux-user/sparc: Tidy window spill/fill traps, (continued)
- [PATCH v2 05/15] linux-user/sparc: Tidy window spill/fill traps, Richard Henderson, 2023/02/16
- [PATCH v2 06/15] linux-user/sparc: Fix sparc64_{get, set}_context traps, Richard Henderson, 2023/02/16
- [PATCH v2 07/15] linux-user/sparc: Handle software breakpoint trap, Richard Henderson, 2023/02/16
- [PATCH v2 08/15] linux-user/sparc: Handle division by zero traps, Richard Henderson, 2023/02/16
- [PATCH v2 09/15] linux-user/sparc: Handle getcc, setcc, getpsr traps, Richard Henderson, 2023/02/16
- [PATCH v2 10/15] linux-user/sparc: Handle priviledged opcode trap, Richard Henderson, 2023/02/16
- [PATCH v2 11/15] linux-user/sparc: Handle privilidged action trap, Richard Henderson, 2023/02/16
- [PATCH v2 12/15] linux-user/sparc: Handle coprocessor disabled trap, Richard Henderson, 2023/02/16
- [PATCH v2 13/15] linux-user/sparc: Handle unimplemented flush trap, Richard Henderson, 2023/02/16
- [PATCH v2 14/15] linux-user/sparc: Handle floating-point exceptions, Richard Henderson, 2023/02/16
- [PATCH v2 15/15] linux-user/sparc: Handle tag overflow traps,
Richard Henderson <=