qemu-irix/linux-user/solaris/target_signal.h

92 lines
2.3 KiB
C

#ifndef SOLARIS_TARGET_SIGNAL_H
#define SOLARIS_TARGET_SIGNAL_H
#include "cpu.h"
/* this struct defines a stack used during syscall handling */
typedef struct target_sigaltstack {
abi_ulong 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 4096
#define TARGET_SIGSTKSZ 16384
#ifndef UREG_O6
#define UREG_O6 6
#endif
#ifndef UREG_SP
#define UREG_SP UREG_O6
#endif
static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
{
return state->regwptr[UREG_SP];
}
struct target_mcontext32 {
uint32_t gregs[19];
uint32_t gwins;
union {
double dregs[16];
float fregs[32];
};
uint32_t fqu; /* ptr to array of FQ entries */
uint32_t fpfsr; /* FPU status register */
uint8_t fpqcnt; /* # of entries in saved FQ */
uint8_t fpqesz; /* # of bytes per FQ entry */
uint8_t fpen; /* flag signifying fpu in use */
uint32_t pad1;
uint32_t xrsid;
uint32_t xrsptr;
uint32_t pad[19];
};
struct target_mcontext64 {
uint64_t gregs[21];
uint32_t gwins;
union {
double dregs[16];
float fregs[32];
};
uint32_t fqu; /* ptr to array of FQ entries */
uint32_t fpfsr; /* FPU status register */
uint8_t fpqcnt; /* # of entries in saved FQ */
uint8_t fpqesz; /* # of bytes per FQ entry */
uint8_t fpen; /* flag signifying fpu in use */
uint32_t pad1;
uint32_t xrsid;
uint32_t xrsptr;
uint32_t pad[19];
};
struct target_mcontext {
union {
struct target_mcontext32 _32;
struct target_mcontext64 _64;
};
};
struct target_ucontext {
abi_ulong tuc_flags;
abi_ulong tuc_link;
target_sigset_t tuc_sigmask;
struct target_sigaltstack tuc_stack;
int pad;
struct target_mcontext tuc_mcontext;
};
int save_context(CPUSPARCState *regs, struct target_mcontext *sc, int setret);
int restore_context(CPUSPARCState *regs, struct target_mcontext *sc);
#endif /* TARGET_SIGNAL_H */