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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,
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 R[16]; /* general purpose registers / PC (R15) */
u32int CPSR; /* status register */
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;
};
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 */
Lock lock; /* atomic accesses */
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
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