[PATCH] linux-user: target: signal: Support TARGET_SS_AUTODISARM

[chengang]

From: Chen Gang <chengang@emindsoft.com.cn>

Add definitions to pass building.

Signed-off-by: Chen Gang <chengang@emindsoft.com.cn>
---
 linux-user/alpha/target_signal.h  | 6 ++++++
 linux-user/hppa/target_signal.h   | 5 +++++
 linux-user/mips/target_signal.h   | 6 ++++++
 linux-user/mips64/target_signal.h | 5 +++++
 linux-user/sparc/target_signal.h  | 6 ++++++
 5 files changed, 28 insertions(+)

diff --git a/linux-user/alpha/target_signal.h b/linux-user/alpha/target_signal.h
index cd63d59fde..241e207815 100644
--- a/linux-user/alpha/target_signal.h
+++ b/linux-user/alpha/target_signal.h
@@ -93,4 +93,10 @@ typedef struct target_sigaltstack {
 #define TARGET_GEN_SUBRNG7     -25
 
 #define TARGET_ARCH_HAS_SETUP_FRAME
+
+/* bit-flags */
+#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
+/* mask for all SS_xxx flags */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
 #endif /* ALPHA_TARGET_SIGNAL_H */
diff --git a/linux-user/hppa/target_signal.h b/linux-user/hppa/target_signal.h
index c2a0102ed7..2c9d4e611e 100644
--- a/linux-user/hppa/target_signal.h
+++ b/linux-user/hppa/target_signal.h
@@ -66,4 +66,9 @@ typedef struct target_sigaltstack {
 #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 */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
 #endif /* HPPA_TARGET_SIGNAL_H */
diff --git a/linux-user/mips/target_signal.h b/linux-user/mips/target_signal.h
index 66e1ad44a6..4fdf15e279 100644
--- a/linux-user/mips/target_signal.h
+++ b/linux-user/mips/target_signal.h
@@ -73,4 +73,10 @@ typedef struct target_sigaltstack {
 /* compare linux/arch/mips/kernel/signal.c:setup_frame() */
 #define TARGET_ARCH_HAS_SETUP_FRAME
 #endif
+
+/* bit-flags */
+#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
+/* mask for all SS_xxx flags */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
 #endif /* MIPS_TARGET_SIGNAL_H */
diff --git a/linux-user/mips64/target_signal.h 
b/linux-user/mips64/target_signal.h
index 753e91fbd6..93c64df3b7 100644
--- a/linux-user/mips64/target_signal.h
+++ b/linux-user/mips64/target_signal.h
@@ -68,4 +68,9 @@ typedef struct target_sigaltstack {
 #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 */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
 #endif /* MIPS64_TARGET_SIGNAL_H */
diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h
index 5cc40327d2..a465d699d2 100644
--- a/linux-user/sparc/target_signal.h
+++ b/linux-user/sparc/target_signal.h
@@ -68,4 +68,10 @@ typedef struct target_sigaltstack {
 #define TARGET_SIGSTKSZ                16384
 
 #define TARGET_ARCH_HAS_SETUP_FRAME
+
+/* bit-flags */
+#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
+/* mask for all SS_xxx flags */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
 #endif /* SPARC_TARGET_SIGNAL_H */
-- 
2.24.0.308.g228f53135a