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authorSong Gao <gaosong@loongson.cn>2021-11-26 10:23:06 +0800
committerLaurent Vivier <laurent@vivier.eu>2022-01-06 11:40:52 +0100
commite068b57d01bff8a6fe8ab04d0a489407557d0a1c (patch)
tree2a11e62135b340a2547b60e1d8dd19b5b58f9e68 /linux-user/generic
parentf93d0af88d8e4b4771144c14195dd97a5b55e149 (diff)
linux-user: Move target_signal.h generic definitions to generic/signal.h
No code change Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1637893388-10282-2-git-send-email-gaosong@loongson.cn> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/generic')
-rw-r--r--linux-user/generic/signal.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/linux-user/generic/signal.h b/linux-user/generic/signal.h
index 943bc1a1e2..ceaf8a876c 100644
--- a/linux-user/generic/signal.h
+++ b/linux-user/generic/signal.h
@@ -55,6 +55,22 @@
#define TARGET_SIG_UNBLOCK 1 /* for unblocking signals */
#define TARGET_SIG_SETMASK 2 /* for setting the signal mask */
+/* this struct defines a stack used during syscall handling */
+typedef struct target_sigaltstack {
+ abi_ulong ss_sp;
+ abi_int ss_flags;
+ abi_ulong ss_size;
+} target_stack_t;
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK 1
+#define TARGET_SS_DISABLE 2
+
+#define TARGET_MINSIGSTKSZ 2048
+#define TARGET_SIGSTKSZ 8192
+
/* bit-flags */
#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
/* mask for all SS_xxx flags */