linux-user: Remove TARGET_SIGSTKSZ

TARGET_SIGSTKSZ is not used, we should remove it.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1637893388-10282-4-git-send-email-gaosong@loongson.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/alpha/target_signal.h

@@ -62,7 +62,6 @@ typedef struct target_sigaltstack {
 #define TARGET_SA_SIGINFO       0x00000040
 
 #define TARGET_MINSIGSTKSZ	4096
-#define TARGET_SIGSTKSZ		16384
 
 /* From <asm/gentrap.h>.  */
 #define TARGET_GEN_INTOVF      -1      /* integer overflow */

linux-user/generic/signal.h

@@ -69,7 +69,6 @@ typedef struct target_sigaltstack {
 #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 */

linux-user/hppa/target_signal.h

@@ -64,7 +64,6 @@ typedef struct target_sigaltstack {
 #define TARGET_SA_NOCLDWAIT     0x00000080
 
 #define TARGET_MINSIGSTKSZ	2048
-#define TARGET_SIGSTKSZ		8192
 
 /* bit-flags */
 #define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */

linux-user/mips/target_signal.h

@@ -67,7 +67,6 @@ typedef struct target_sigaltstack {
 #define TARGET_SA_RESTORER      0x04000000      /* Only for O32 */
 
 #define TARGET_MINSIGSTKSZ    2048
-#define TARGET_SIGSTKSZ       8192
 
 #if defined(TARGET_ABI_MIPSO32)
 /* compare linux/arch/mips/kernel/signal.c:setup_frame() */

linux-user/mips64/target_signal.h

@@ -65,7 +65,6 @@ typedef struct target_sigaltstack {
 #define TARGET_SA_RESETHAND     0x80000000
 
 #define TARGET_MINSIGSTKSZ    2048
-#define TARGET_SIGSTKSZ       8192
 
 /* bit-flags */
 #define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */

linux-user/sparc/target_signal.h

@@ -65,7 +65,6 @@ typedef struct target_sigaltstack {
 #define TARGET_ARCH_HAS_KA_RESTORER 1
 
 #define TARGET_MINSIGSTKSZ	4096
-#define TARGET_SIGSTKSZ		16384
 
 #ifdef TARGET_ABI32
 #define TARGET_ARCH_HAS_SETUP_FRAME