qemu/linux-user/sparc64/target_signal.h
ths 0574b6fb10 Add get_sp_from_cpustate implementation.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3290 c046a42c-6fe2-441c-8c8c-71466251a162
2007-09-30 13:49:22 +00:00

37 lines
649 B
C

#ifndef TARGET_SIGNAL_H
#define TARGET_SIGNAL_H
#include "cpu.h"
/* this struct defines a stack used during syscall handling */
typedef struct target_sigaltstack {
target_ulong ss_sp;
target_long ss_flags;
target_ulong ss_size;
} 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_I6
#define UREG_I6 6
#endif
#ifndef UREG_FP
#define UREG_FP UREG_I6
#endif
static inline target_ulong get_sp_from_cpustate(CPUSPARCState *state)
{
return state->regwptr[UREG_FP];
}
#endif /* TARGET_SIGNAL_H */