xref: /csrg-svn/old/adb/adb.tahoe/rodata.c (revision 36560)
1*36560Sbostic #ifndef lint
2*36560Sbostic static char sccsid[] = "@(#)rodata.c	5.1 (Berkeley) 01/16/89";
3*36560Sbostic #endif
4*36560Sbostic 
5*36560Sbostic /*
6*36560Sbostic  * adb - machine dependent read-only data
7*36560Sbostic  */
8*36560Sbostic 
9*36560Sbostic #include "defs.h"
10*36560Sbostic #include <machine/reg.h>
11*36560Sbostic 
12*36560Sbostic #define	N(arr)	(sizeof(arr) / sizeof(arr[0]))
13*36560Sbostic 
14*36560Sbostic /*
15*36560Sbostic  * Registers.  The offset value is an offset from u.u_ar0 if negative,
16*36560Sbostic  * or if positive, is an offset into the pcb in u.u_pcb.  PCC will not
17*36560Sbostic  * let us scale the pcb offsets (grr) so instead we scale the ar0 offsets.
18*36560Sbostic  * The `address in pcb' is in the local copy of the kernel pcb, for use
19*36560Sbostic  * with kernel dumps.
20*36560Sbostic  *
21*36560Sbostic  * The registers are printed in the order they are listed here.
22*36560Sbostic  */
23*36560Sbostic extern struct pcb pcb;
24*36560Sbostic #define	pcboff(field)	(int)&((struct pcb *)0)->field
25*36560Sbostic #define	ar0off(off)	off * 4
26*36560Sbostic struct reglist reglist[] = {
27*36560Sbostic 	/* name		offset			address in pcb */
28*36560Sbostic 	{ "p2lr",	pcboff(pcb_p2lr),	&pcb.pcb_p2lr },
29*36560Sbostic 	{ "p2br",	pcboff(pcb_p2br),	(int *)&pcb.pcb_p2br },
30*36560Sbostic 	{ "p0lr",	pcboff(pcb_p0lr),	&pcb.pcb_p0lr },
31*36560Sbostic 	{ "p0br",	pcboff(pcb_p0br),	(int *)&pcb.pcb_p0br },
32*36560Sbostic 	{ "ksp",	pcboff(pcb_ksp),	&pcb.pcb_ksp },
33*36560Sbostic #define	HFS	-8		/* should be in <tahoe/reg.h>! */
34*36560Sbostic 	{ "hfs",	ar0off(HFS),		&pcb.pcb_hfs },
35*36560Sbostic 	{ "psl",	ar0off(PS),		&pcb.pcb_psl },
36*36560Sbostic 	{ "pc",		ar0off(PC),		&pcb.pcb_pc },
37*36560Sbostic 	{ "ach",	ar0off(RACH),		&pcb.pcb_ach },
38*36560Sbostic 	{ "acl",	ar0off(RACL),		&pcb.pcb_acl },
39*36560Sbostic 	{ "usp",	ar0off(SP),		&pcb.pcb_usp },
40*36560Sbostic 	{ "fp",		ar0off(FP),		&pcb.pcb_fp },
41*36560Sbostic 	{ "r12",	ar0off(R12),		&pcb.pcb_r12 },
42*36560Sbostic 	{ "r11",	ar0off(R11),		&pcb.pcb_r11 },
43*36560Sbostic 	{ "r10",	ar0off(R10),		&pcb.pcb_r10 },
44*36560Sbostic 	{ "r9",		ar0off(R9),		&pcb.pcb_r9 },
45*36560Sbostic 	{ "r8",		ar0off(R8),		&pcb.pcb_r8 },
46*36560Sbostic 	{ "r7",		ar0off(R7),		&pcb.pcb_r7 },
47*36560Sbostic 	{ "r6",		ar0off(R6),		&pcb.pcb_r6 },
48*36560Sbostic 	{ "r5",		ar0off(R5),		&pcb.pcb_r5 },
49*36560Sbostic 	{ "r4",		ar0off(R4),		&pcb.pcb_r4 },
50*36560Sbostic 	{ "r3",		ar0off(R3),		&pcb.pcb_r3 },
51*36560Sbostic 	{ "r2",		ar0off(R2),		&pcb.pcb_r2 },
52*36560Sbostic 	{ "r1",		ar0off(R1),		&pcb.pcb_r1 },
53*36560Sbostic 	{ "r0",		ar0off(R0),		&pcb.pcb_r0 },
54*36560Sbostic 	0
55*36560Sbostic };
56*36560Sbostic 
57*36560Sbostic /* names for codes for illegal instruction */
58*36560Sbostic char	*illinames[] = {
59*36560Sbostic 	" (reserved addressing fault)",
60*36560Sbostic 	" (priviliged instruction fault)",
61*36560Sbostic 	" (reserved operand fault)"
62*36560Sbostic };
63*36560Sbostic int	nillinames = N(illinames);
64*36560Sbostic 
65*36560Sbostic /* names for codes for floating point exception */
66*36560Sbostic char	*fpenames[] = {
67*36560Sbostic 	"",
68*36560Sbostic 	" (integer overflow trap)",
69*36560Sbostic 	" (integer divide by zero trap)",
70*36560Sbostic /* not valid
71*36560Sbostic 	" (floating overflow trap)",
72*36560Sbostic 	" (floating/decimal divide by zero trap)",
73*36560Sbostic 	" (floating underflow trap)",
74*36560Sbostic 	" (decimal overflow trap)",
75*36560Sbostic 	" (subscript out of range trap)",
76*36560Sbostic 	" (floating overflow fault)",
77*36560Sbostic 	" (floating divide by zero fault)",
78*36560Sbostic 	" (floating underflow fault)",
79*36560Sbostic  */
80*36560Sbostic };
81*36560Sbostic int	nfpenames = N(fpenames);
82