 47393189ce
			
		
	
	
		47393189ce
		
	
	
	
	
		
			
			In Linux kernel v5.18 the vDSO for signal trampoline was added. This code mimiks the bare minimum of this vDSO and thus avoids that the parisc emulation needs executable stacks. Signed-off-by: Helge Deller <deller@gmx.de> Message-Id: <20220924114501.21767-4-deller@gmx.de> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
		
			
				
	
	
		
			76 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef HPPA_TARGET_SIGNAL_H
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| #define HPPA_TARGET_SIGNAL_H
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| 
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| #define TARGET_SIGHUP           1
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| #define TARGET_SIGINT           2
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| #define TARGET_SIGQUIT          3
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| #define TARGET_SIGILL           4
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| #define TARGET_SIGTRAP          5
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| #define TARGET_SIGABRT          6
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| #define TARGET_SIGIOT           6
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| #define TARGET_SIGSTKFLT        7
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| #define TARGET_SIGFPE           8
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| #define TARGET_SIGKILL          9
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| #define TARGET_SIGBUS          10
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| #define TARGET_SIGSEGV         11
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| #define TARGET_SIGXCPU         12
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| #define TARGET_SIGPIPE         13
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| #define TARGET_SIGALRM         14
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| #define TARGET_SIGTERM         15
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| #define TARGET_SIGUSR1         16
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| #define TARGET_SIGUSR2         17
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| #define TARGET_SIGCHLD         18
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| #define TARGET_SIGPWR          19
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| #define TARGET_SIGVTALRM       20
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| #define TARGET_SIGPROF         21
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| #define TARGET_SIGIO           22
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| #define TARGET_SIGPOLL         TARGET_SIGIO
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| #define TARGET_SIGWINCH        23
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| #define TARGET_SIGSTOP         24
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| #define TARGET_SIGTSTP         25
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| #define TARGET_SIGCONT         26
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| #define TARGET_SIGTTIN         27
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| #define TARGET_SIGTTOU         28
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| #define TARGET_SIGURG          29
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| #define TARGET_SIGXFSZ         30
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| #define TARGET_SIGSYS          31
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| #define TARGET_SIGRTMIN        32
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| 
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| #define TARGET_SIG_BLOCK       0
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| #define TARGET_SIG_UNBLOCK     1
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| #define TARGET_SIG_SETMASK     2
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| 
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| /* this struct defines a stack used during syscall handling */
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| 
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| typedef struct target_sigaltstack {
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|     abi_ulong ss_sp;
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|     abi_int ss_flags;
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|     abi_ulong ss_size;
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| } target_stack_t;
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| 
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| 
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| /*
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|  * sigaltstack controls
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|  */
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| #define TARGET_SS_ONSTACK	1
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| #define TARGET_SS_DISABLE	2
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| 
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| #define TARGET_SA_ONSTACK       0x00000001
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| #define TARGET_SA_RESETHAND     0x00000004
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| #define TARGET_SA_NOCLDSTOP     0x00000008
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| #define TARGET_SA_SIGINFO       0x00000010
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| #define TARGET_SA_NODEFER       0x00000020
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| #define TARGET_SA_RESTART       0x00000040
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| #define TARGET_SA_NOCLDWAIT     0x00000080
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| 
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| #define TARGET_MINSIGSTKSZ	2048
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| 
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| /* bit-flags */
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| #define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
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| /* mask for all SS_xxx flags */
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| #define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
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| 
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| #define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
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| 
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| #endif /* HPPA_TARGET_SIGNAL_H */
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