projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 430f81c3 MK |
1 | /* |
| 2 | * Copyright (c) 1988 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 05e3da35 | 6 | * @(#)kdbparam.h 7.9 (Berkeley) %G% |
| 430f81c3 | 7 | */ |
| 465dab34 SL |
8 | |
| 9 | #define DBNAME "kdb\n" | |
| 10 | #define LPRMODE "%R" | |
| 11 | #define OFFMODE "+%R" | |
| 12 | ||
| 13 | #define MAXINT 0x7fffffff | |
| 14 | #define MAXSTOR (KERNBASE - ctob(UPAGES)) | |
| 15 | ||
| 31ff90a8 | 16 | #define ENTRYMASK 1 /* check for entry masks */ |
| 32b22e30 | 17 | #define ishiddenreg(p) ((p) <= &kdbreglist[8]) |
| 31ff90a8 | 18 | |
| 465dab34 SL |
19 | #define BPT 0x30 |
| 20 | #define KCALL 0xcf | |
| 21 | #define CASEL 0xfc | |
| 22 | #define TBIT 0x10 | |
| 23 | ||
| aea57d05 MK |
24 | #define KDB_IPL 0xf /* highest priority software interrupt */ |
| 25 | #define setsoftkdb() mtpr(SIRR, KDB_IPL) | |
| 26 | ||
| 32b22e30 KS |
27 | #define clrsstep() (kdbpcb.pcb_psl &= ~TBIT) |
| 28 | #define setsstep() (kdbpcb.pcb_psl |= TBIT) | |
| 31ff90a8 | 29 | |
| 465dab34 SL |
30 | #define SETBP(ins) ((BPT<<24) | ((ins) & 0xffffff)) |
| 31 | ||
| 32b22e30 KS |
32 | #define getprevpc(fp) kdbget((off_t)(fp)-8, DSP) /* pc of caller */ |
| 33 | #define getprevframe(fp) (kdbget((off_t)(fp), DSP)&~3) /* fp of caller */ | |
| 34 | #define getnargs(fp) (((kdbget((off_t)(fp)-4, DSP)&0xffff)-4)/4) | |
| 31ff90a8 SL |
35 | #define nextarg(ap) ((ap) + 4) /* next argument in list */ |
| 36 | #define NOFRAME 0 /* fp at top of call stack */ | |
| 37 | ||
| 9d61b7ff | 38 | #define issignalpc(pc) ((unsigned)MAXSTOR < (pc) && (pc) < (unsigned)KERNBASE) |
| 32b22e30 | 39 | #define getsignalpc(fp) kdbget((off_t)(fp)+44, DSP)/* pc of caller before signal */ |
| 465dab34 SL |
40 | |
| 41 | #define leng(a) ((long)((unsigned)(a))) | |
| 42 | #define shorten(a) (((a) >> 16) & 0xffff) | |
| 9d61b7ff | 43 | #define itol(a,b) ((long)(((a) << 16) | ((b) & 0xffff))) |
| 465dab34 | 44 | #define byte(a) (((a) >> 24) & 0xff) |
| 9d61b7ff | 45 | #define btol(a) ((long)((a) << 24)) |
| 465dab34 | 46 | |
| 31ff90a8 SL |
47 | /* check for address wrap around */ |
| 48 | #define addrwrap(oaddr,newaddr) \ | |
| 49 | (((oaddr)^(newaddr)) >> 24) | |
| 465dab34 SL |
50 | /* |
| 51 | * INSTACK tells whether its argument is a stack address. | |
| 52 | * INUDOT tells whether its argument is in the (extended) u. area. | |
| 53 | * These are used for consistency checking and dont have to be exact. | |
| 54 | * | |
| 55 | * INKERNEL tells whether its argument is a kernel space address. | |
| 56 | * KVTOPH trims a kernel virtal address back to its offset | |
| 57 | * in the kernel address space. | |
| 58 | */ | |
| 59 | #define INSTACK(x) (((int)(x)&0xf0000000) == 0xb0000000) | |
| 60 | #define INUDOT(x) (((int)(x)&0xf0000000) == 0xb0000000) | |
| 61 | #define INKERNEL(x) (((int)(x)&0xf0000000) == 0xc0000000) | |
| 62 | ||
| 465dab34 | 63 | #define KERNOFF (KERNBASE + 0x800) /* start of kernel's text */ |
| aea57d05 | 64 | /* #define KVTOPH(x) ((x)&~ 0xc0000000) sometimes */ |