They are based on Linux kernel tilegx architecture for 64 bit binary, and also based on tilegx ABI reference document, and also reference from other targets implementations. Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <BLU436-SMTP2508945F92945BB525605A3B9660@phx.gbl> Signed-off-by: Richard Henderson <rth@twiddle.net>
		
			
				
	
	
		
			29 lines
		
	
	
		
			555 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			555 B
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef TARGET_SIGNAL_H
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#define TARGET_SIGNAL_H
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#include "cpu.h"
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/* this struct defines a stack used during syscall handling */
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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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 * 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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#define TARGET_MINSIGSTKSZ    2048
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#define TARGET_SIGSTKSZ       8192
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static inline abi_ulong get_sp_from_cpustate(CPUTLGState *state)
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{
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    return state->regs[TILEGX_R_SP];
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}
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#endif /* TARGET_SIGNAL_H */
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