typedef struct Process Process;

typedef struct Process Process;
typedef struct Segment Segment;
typedef struct Fdtable Fdtable;
typedef struct Fd Fd;

enum {
STACKSIZE = 0x100000,
NAMEMAX = 27,
NNOTE = 5,
SEGNUM = 8,
Nfpregs = 16,

flN = 1<<31,
flZ = 1<<30,
flC = 1<<29,
flV = 1<<28,
FLAGS = flN | flZ | flC | flV,
};

enum {
SEGTEXT,
SEGDATA,
SEGBSS,
SEGSTACK,
};

struct Process {
Process *prev, *next; /* linked list (for fs) */
int pid;
char name[NAMEMAX+1]; /* name for status file */
Ref *path; /* Ref + string data */

Segment *S[SEGNUM]; /* memory */

u32int lladdr; /* LL/SC emulation */
u32int llval;

u32int R[16]; /* general purpose registers / PC (R15) */
u32int CPSR; /* status register */

u32int FPSR;
long double F[Nfpregs];

char errbuf[ERRMAX];
Fd *fd; /* bitmap of OCEXEC files */

/* note handling */
u32int notehandler;
int innote;
jmp_buf notejmp;
char notes[ERRMAX][NNOTE];
long notein, noteout;
};

int vfp;

extern void **_privates;
extern int _nprivates;
#define P (*(Process**)_privates)
extern Ref nproc;
extern Process plist;
extern Lock plistlock;

enum {
SEGFLLOCK = 1,
};

struct Segment {
Ref;
int flags;
RWLock rw; /* lock for SEGFLLOCK segments */
u32int start, size;
void *data;
Ref *dref;
};

struct Fd {
RWLock;
Ref;
u8int *fds;
int nfds;
};

#define fulltrace 0
#define havesymbols 0
#define ultraverbose 0
#define systrace 0