[qemu.git] / linux-user / mips / target_signal.h

#ifndef MIPS_TARGET_SIGNAL_H
#define MIPS_TARGET_SIGNAL_H

#include "cpu.h"

/* this struct defines a stack used during syscall handling */

typedef struct target_sigaltstack {
	abi_long ss_sp;
	abi_ulong ss_size;
	abi_long ss_flags;
} target_stack_t;


/*
 * sigaltstack controls
 */
#define TARGET_SS_ONSTACK     1
#define TARGET_SS_DISABLE     2

#define TARGET_MINSIGSTKSZ    2048
#define TARGET_SIGSTKSZ       8192

static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
{
    return state->active_tc.gpr[29];
}

#if defined(TARGET_ABI_MIPSO32)
/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
#define TARGET_ARCH_HAS_SETUP_FRAME
#endif
#endif /* MIPS_TARGET_SIGNAL_H */
Commit	Line	Data
9c93ae13 MA	1	#ifndef MIPS_TARGET_SIGNAL_H
9c93ae13 MA	2	#define MIPS_TARGET_SIGNAL_H
a04e134a TS	3
	4	#include "cpu.h"
	5
	6	/* this struct defines a stack used during syscall handling */
	7
	8	typedef struct target_sigaltstack {
992f48a0 BS	9	abi_long ss_sp;
	10	abi_ulong ss_size;
	11	abi_long ss_flags;
c227f099	12	} target_stack_t;
a04e134a TS	13
	14
	15	/*
	16	* sigaltstack controls
	17	*/
	18	#define TARGET_SS_ONSTACK 1
	19	#define TARGET_SS_DISABLE 2
	20
	21	#define TARGET_MINSIGSTKSZ 2048
	22	#define TARGET_SIGSTKSZ 8192
	23
992f48a0	24	static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
198a74de	25	{
b5dc7732	26	return state->active_tc.gpr[29];
198a74de TS	27	}
198a74de TS	28
cb6ac802	29	#if defined(TARGET_ABI_MIPSO32)
8949bef1	30	/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
cb6ac802	31	#define TARGET_ARCH_HAS_SETUP_FRAME
8949bef1	32	#endif
9c93ae13	33	#endif /* MIPS_TARGET_SIGNAL_H */