Update the MIPS main loop code: * on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn (We already handle TARGET_QEMU_ESIGRETURN.) Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-7-git-send-email-T.E.Baldwin99@members.leeds.ac.uk Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: tweak commit message; drop TARGET_USE_ERESTARTSYS define] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
		
			
				
	
	
		
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			31 lines
		
	
	
		
			548 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_long ss_sp;
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	abi_ulong ss_size;
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	abi_int ss_flags;
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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(CPUMIPSState *state)
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{
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    return state->active_tc.gpr[29];
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}
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#endif /* TARGET_SIGNAL_H */
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