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typedef struct Process Process;
typedef struct Segment Segment;
typedef struct Fdtable Fdtable;
typedef struct Fd Fd;
enum {
STACKTOP = 0x80000000UL,
STACKSIZE = 0x10000,
FDBLOCK = 16,
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 {
Segment* S[SEGNUM];
u32int R[16]; /* general purpose registers / PC (R15) */
u32int CPSR; /* status register */
char errbuf[ERRMAX];
Fd *fd;
int pid;
};
extern void **_privates;
extern int _nprivates;
#define P (*(Process**)_privates)
enum {
SEGFLLOCK = 1,
};
struct Segment {
Ref;
int flags;
RWLock rw; /* lock for SEGLOCK segments */
Lock lock; /* atomic accesses */
u32int start, size;
void *data;
Ref *ref;
};
struct Fd {
RWLock;
Ref ref;
u8int *fds;
int nfds;
};
#define fulltrace 0
#define havesymbols 0
#define ultraverbose 0
#define systrace 0
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