projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9d61b7ff | 1 | /* kdbparam.h 7.5 86/12/15 */ |
| 465dab34 SL |
2 | |
| 3 | #include <sys/vm.h> | |
| 4 | ||
| 5 | #define DBNAME "kdb\n" | |
| 6 | #define LPRMODE "%R" | |
| 7 | #define OFFMODE "+%R" | |
| 8 | ||
| 9 | #define MAXINT 0x7fffffff | |
| 10 | #define MAXSTOR (KERNBASE - ctob(UPAGES)) | |
| 11 | ||
| 31ff90a8 | 12 | #define ENTRYMASK 1 /* check for entry masks */ |
| c16f68ae | 13 | #define ishiddenreg(p) ((p) <= ®list[8]) |
| 31ff90a8 | 14 | |
| 465dab34 SL |
15 | #define BPT 0x30 |
| 16 | #define KCALL 0xcf | |
| 17 | #define CASEL 0xfc | |
| 18 | #define TBIT 0x10 | |
| 19 | ||
| 31ff90a8 SL |
20 | #define clrsstep() (pcb.pcb_psl &= ~TBIT) |
| 21 | #define setsstep() (pcb.pcb_psl |= TBIT) | |
| 22 | ||
| 465dab34 SL |
23 | #define SETBP(ins) ((BPT<<24) | ((ins) & 0xffffff)) |
| 24 | ||
| 9d61b7ff SL |
25 | #define getprevpc(fp) get((off_t)(fp)-8, DSP) /* pc of caller */ |
| 26 | #define getprevframe(fp) (get((off_t)(fp), DSP)&~3) /* fp of caller */ | |
| 27 | #define getnargs(fp) (((get((off_t)(fp)-4, DSP)&0xffff)-4)/4) | |
| 31ff90a8 SL |
28 | #define nextarg(ap) ((ap) + 4) /* next argument in list */ |
| 29 | #define NOFRAME 0 /* fp at top of call stack */ | |
| 30 | ||
| 9d61b7ff SL |
31 | #define issignalpc(pc) ((unsigned)MAXSTOR < (pc) && (pc) < (unsigned)KERNBASE) |
| 32 | #define getsignalpc(fp) get((off_t)(fp)+44, DSP)/* pc of caller before signal */ | |
| 465dab34 SL |
33 | |
| 34 | #define leng(a) ((long)((unsigned)(a))) | |
| 35 | #define shorten(a) (((a) >> 16) & 0xffff) | |
| 9d61b7ff | 36 | #define itol(a,b) ((long)(((a) << 16) | ((b) & 0xffff))) |
| 465dab34 | 37 | #define byte(a) (((a) >> 24) & 0xff) |
| 9d61b7ff | 38 | #define btol(a) ((long)((a) << 24)) |
| 465dab34 | 39 | |
| 31ff90a8 SL |
40 | /* check for address wrap around */ |
| 41 | #define addrwrap(oaddr,newaddr) \ | |
| 42 | (((oaddr)^(newaddr)) >> 24) | |
| 465dab34 SL |
43 | /* |
| 44 | * INSTACK tells whether its argument is a stack address. | |
| 45 | * INUDOT tells whether its argument is in the (extended) u. area. | |
| 46 | * These are used for consistency checking and dont have to be exact. | |
| 47 | * | |
| 48 | * INKERNEL tells whether its argument is a kernel space address. | |
| 49 | * KVTOPH trims a kernel virtal address back to its offset | |
| 50 | * in the kernel address space. | |
| 51 | */ | |
| 52 | #define INSTACK(x) (((int)(x)&0xf0000000) == 0xb0000000) | |
| 53 | #define INUDOT(x) (((int)(x)&0xf0000000) == 0xb0000000) | |
| 54 | #define INKERNEL(x) (((int)(x)&0xf0000000) == 0xc0000000) | |
| 55 | ||
| 56 | #define KERNBASE 0xc0000000 | |
| 57 | #define KERNOFF (KERNBASE + 0x800) /* start of kernel's text */ | |
| 58 | #define KVTOPH(x) ((x)&~ 0xc0000000) |