xref: /illumos-gate/usr/src/tools/stabs/genassym.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #include <unistd.h>
30*7c478bd9Sstevel@tonic-gate #include <math.h>
31*7c478bd9Sstevel@tonic-gate #include "stabs.h"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate void genassym_do_sou(struct tdesc *tdp, struct node *np);
34*7c478bd9Sstevel@tonic-gate void genassym_do_enum(struct tdesc *tdp, struct node *np);
35*7c478bd9Sstevel@tonic-gate void genassym_do_intrinsic(struct tdesc *tdp, struct node *np);
36*7c478bd9Sstevel@tonic-gate 
37*7c478bd9Sstevel@tonic-gate static void switch_on_type(struct mlist *mlp, struct tdesc *tdp,
38*7c478bd9Sstevel@tonic-gate     char *format, int level);
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate static void print_intrinsic(struct mlist *mlp, struct tdesc *tdp,
41*7c478bd9Sstevel@tonic-gate     char *format, int level);
42*7c478bd9Sstevel@tonic-gate static void print_forward(struct mlist *mlp, struct tdesc *tdp,
43*7c478bd9Sstevel@tonic-gate     char *format, int level);
44*7c478bd9Sstevel@tonic-gate static void print_pointer(struct mlist *mlp, struct tdesc *tdp,
45*7c478bd9Sstevel@tonic-gate     char *format, int level);
46*7c478bd9Sstevel@tonic-gate static void print_array(struct mlist *mlp, struct tdesc *tdp,
47*7c478bd9Sstevel@tonic-gate     char *format, int level);
48*7c478bd9Sstevel@tonic-gate static void print_function(struct mlist *mlp, struct tdesc *tdp,
49*7c478bd9Sstevel@tonic-gate     char *format, int level);
50*7c478bd9Sstevel@tonic-gate static void print_union(struct mlist *mlp, struct tdesc *tdp,
51*7c478bd9Sstevel@tonic-gate     char *format, int level);
52*7c478bd9Sstevel@tonic-gate static void print_enum(struct mlist *mlp, struct tdesc *tdp,
53*7c478bd9Sstevel@tonic-gate     char *format, int level);
54*7c478bd9Sstevel@tonic-gate static void print_forward(struct mlist *mlp, struct tdesc *tdp,
55*7c478bd9Sstevel@tonic-gate     char *format, int level);
56*7c478bd9Sstevel@tonic-gate static void print_typeof(struct mlist *mlp, struct tdesc *tdp,
57*7c478bd9Sstevel@tonic-gate     char *format, int level);
58*7c478bd9Sstevel@tonic-gate static void print_struct(struct mlist *mlp, struct tdesc *tdp,
59*7c478bd9Sstevel@tonic-gate     char *format, int level);
60*7c478bd9Sstevel@tonic-gate static void print_volatile(struct mlist *mlp, struct tdesc *tdp,
61*7c478bd9Sstevel@tonic-gate     char *format, int level);
62*7c478bd9Sstevel@tonic-gate static int stabs_log2(unsigned int value);
63*7c478bd9Sstevel@tonic-gate 
64*7c478bd9Sstevel@tonic-gate void
genassym_do_intrinsic(struct tdesc * tdp,struct node * np)65*7c478bd9Sstevel@tonic-gate genassym_do_intrinsic(struct tdesc *tdp, struct node *np)
66*7c478bd9Sstevel@tonic-gate {
67*7c478bd9Sstevel@tonic-gate 	if (np->format != NULL) {
68*7c478bd9Sstevel@tonic-gate 		char *upper = uc(np->format);
69*7c478bd9Sstevel@tonic-gate 
70*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", upper, tdp->size);
71*7c478bd9Sstevel@tonic-gate 
72*7c478bd9Sstevel@tonic-gate 		free(upper);
73*7c478bd9Sstevel@tonic-gate 	}
74*7c478bd9Sstevel@tonic-gate }
75*7c478bd9Sstevel@tonic-gate 
76*7c478bd9Sstevel@tonic-gate 
77*7c478bd9Sstevel@tonic-gate void
genassym_do_sou(struct tdesc * tdp,struct node * np)78*7c478bd9Sstevel@tonic-gate genassym_do_sou(struct tdesc *tdp, struct node *np)
79*7c478bd9Sstevel@tonic-gate {
80*7c478bd9Sstevel@tonic-gate 	struct mlist *mlp;
81*7c478bd9Sstevel@tonic-gate 	struct child *chp;
82*7c478bd9Sstevel@tonic-gate 	char *format;
83*7c478bd9Sstevel@tonic-gate 
84*7c478bd9Sstevel@tonic-gate 	if (np->format != NULL) {
85*7c478bd9Sstevel@tonic-gate 		char *upper = uc(np->format);
86*7c478bd9Sstevel@tonic-gate 		int l;
87*7c478bd9Sstevel@tonic-gate 
88*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", upper, tdp->size);
89*7c478bd9Sstevel@tonic-gate 
90*7c478bd9Sstevel@tonic-gate 		if ((np->format2 != NULL) &&
91*7c478bd9Sstevel@tonic-gate 		    (l = stabs_log2(tdp->size)) != -1) {
92*7c478bd9Sstevel@tonic-gate 			printf("#define\t%s 0x%x\n", np->format2, l);
93*7c478bd9Sstevel@tonic-gate 		}
94*7c478bd9Sstevel@tonic-gate 
95*7c478bd9Sstevel@tonic-gate 		free(upper);
96*7c478bd9Sstevel@tonic-gate 	}
97*7c478bd9Sstevel@tonic-gate 
98*7c478bd9Sstevel@tonic-gate 	/*
99*7c478bd9Sstevel@tonic-gate 	 * Run thru all the fields of a struct and print them out
100*7c478bd9Sstevel@tonic-gate 	 */
101*7c478bd9Sstevel@tonic-gate 	for (mlp = tdp->data.members.forw; mlp != NULL; mlp = mlp->next) {
102*7c478bd9Sstevel@tonic-gate 		/*
103*7c478bd9Sstevel@tonic-gate 		 * If there's a child list, only print those members.
104*7c478bd9Sstevel@tonic-gate 		 */
105*7c478bd9Sstevel@tonic-gate 		if (np->child != NULL) {
106*7c478bd9Sstevel@tonic-gate 			if (mlp->name == NULL)
107*7c478bd9Sstevel@tonic-gate 				continue;
108*7c478bd9Sstevel@tonic-gate 			chp = find_child(np, mlp->name);
109*7c478bd9Sstevel@tonic-gate 			if (chp == NULL)
110*7c478bd9Sstevel@tonic-gate 				continue;
111*7c478bd9Sstevel@tonic-gate 			format = uc(chp->format);
112*7c478bd9Sstevel@tonic-gate 		} else {
113*7c478bd9Sstevel@tonic-gate 			format = NULL;
114*7c478bd9Sstevel@tonic-gate 		}
115*7c478bd9Sstevel@tonic-gate 		if (mlp->fdesc == NULL)
116*7c478bd9Sstevel@tonic-gate 			continue;
117*7c478bd9Sstevel@tonic-gate 		switch_on_type(mlp, mlp->fdesc, format, 0);
118*7c478bd9Sstevel@tonic-gate 		if (format != NULL)
119*7c478bd9Sstevel@tonic-gate 			free(format);
120*7c478bd9Sstevel@tonic-gate 	}
121*7c478bd9Sstevel@tonic-gate }
122*7c478bd9Sstevel@tonic-gate 
123*7c478bd9Sstevel@tonic-gate void
genassym_do_enum(struct tdesc * tdp,struct node * np)124*7c478bd9Sstevel@tonic-gate genassym_do_enum(struct tdesc *tdp, struct node *np)
125*7c478bd9Sstevel@tonic-gate {
126*7c478bd9Sstevel@tonic-gate 	int nelem = 0;
127*7c478bd9Sstevel@tonic-gate 	struct elist *elp;
128*7c478bd9Sstevel@tonic-gate 
129*7c478bd9Sstevel@tonic-gate 	printf("\n");
130*7c478bd9Sstevel@tonic-gate 	for (elp = tdp->data.emem; elp != NULL; elp = elp->next) {
131*7c478bd9Sstevel@tonic-gate 		printf("#define\tENUM_%s 0x%x\n", elp->name, elp->number);
132*7c478bd9Sstevel@tonic-gate 		nelem++;
133*7c478bd9Sstevel@tonic-gate 	}
134*7c478bd9Sstevel@tonic-gate 	printf("%x c-enum .%s\n", nelem, np->name);
135*7c478bd9Sstevel@tonic-gate }
136*7c478bd9Sstevel@tonic-gate 
137*7c478bd9Sstevel@tonic-gate static void
switch_on_type(struct mlist * mlp,struct tdesc * tdp,char * format,int level)138*7c478bd9Sstevel@tonic-gate switch_on_type(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
139*7c478bd9Sstevel@tonic-gate {
140*7c478bd9Sstevel@tonic-gate 	boolean_t allocated = B_FALSE;
141*7c478bd9Sstevel@tonic-gate 
142*7c478bd9Sstevel@tonic-gate 	if (format == NULL) {
143*7c478bd9Sstevel@tonic-gate 		allocated = B_TRUE;
144*7c478bd9Sstevel@tonic-gate 		format = uc(mlp->name);
145*7c478bd9Sstevel@tonic-gate 	}
146*7c478bd9Sstevel@tonic-gate 
147*7c478bd9Sstevel@tonic-gate 	switch (tdp->type) {
148*7c478bd9Sstevel@tonic-gate 	case INTRINSIC:
149*7c478bd9Sstevel@tonic-gate 		print_intrinsic(mlp, tdp, format, level);
150*7c478bd9Sstevel@tonic-gate 		break;
151*7c478bd9Sstevel@tonic-gate 	case POINTER:
152*7c478bd9Sstevel@tonic-gate 		print_pointer(mlp, tdp, format, level);
153*7c478bd9Sstevel@tonic-gate 		break;
154*7c478bd9Sstevel@tonic-gate 	case ARRAY:
155*7c478bd9Sstevel@tonic-gate 		print_array(mlp, tdp, format, level);
156*7c478bd9Sstevel@tonic-gate 		break;
157*7c478bd9Sstevel@tonic-gate 	case FUNCTION:
158*7c478bd9Sstevel@tonic-gate 		print_function(mlp, tdp, format, level);
159*7c478bd9Sstevel@tonic-gate 		break;
160*7c478bd9Sstevel@tonic-gate 	case UNION:
161*7c478bd9Sstevel@tonic-gate 		print_union(mlp, tdp, format, level);
162*7c478bd9Sstevel@tonic-gate 		break;
163*7c478bd9Sstevel@tonic-gate 	case ENUM:
164*7c478bd9Sstevel@tonic-gate 		print_enum(mlp, tdp, format, level);
165*7c478bd9Sstevel@tonic-gate 		break;
166*7c478bd9Sstevel@tonic-gate 	case FORWARD:
167*7c478bd9Sstevel@tonic-gate 		print_forward(mlp, tdp, format, level);
168*7c478bd9Sstevel@tonic-gate 		break;
169*7c478bd9Sstevel@tonic-gate 	case TYPEOF:
170*7c478bd9Sstevel@tonic-gate 		print_typeof(mlp, tdp, format, level);
171*7c478bd9Sstevel@tonic-gate 		break;
172*7c478bd9Sstevel@tonic-gate 	case STRUCT:
173*7c478bd9Sstevel@tonic-gate 		print_struct(mlp, tdp, format, level);
174*7c478bd9Sstevel@tonic-gate 		break;
175*7c478bd9Sstevel@tonic-gate 	case VOLATILE:
176*7c478bd9Sstevel@tonic-gate 		print_volatile(mlp, tdp, format, level);
177*7c478bd9Sstevel@tonic-gate 		break;
178*7c478bd9Sstevel@tonic-gate 	default:
179*7c478bd9Sstevel@tonic-gate 		fprintf(stderr, "Switch to Unknown type\n");
180*7c478bd9Sstevel@tonic-gate 		error = B_TRUE;
181*7c478bd9Sstevel@tonic-gate 		break;
182*7c478bd9Sstevel@tonic-gate 	}
183*7c478bd9Sstevel@tonic-gate 	if (allocated)
184*7c478bd9Sstevel@tonic-gate 		free(format);
185*7c478bd9Sstevel@tonic-gate }
186*7c478bd9Sstevel@tonic-gate 
187*7c478bd9Sstevel@tonic-gate 
188*7c478bd9Sstevel@tonic-gate static void
print_forward(struct mlist * mlp,struct tdesc * tdp,char * format,int level)189*7c478bd9Sstevel@tonic-gate print_forward(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
190*7c478bd9Sstevel@tonic-gate {
191*7c478bd9Sstevel@tonic-gate 	fprintf(stderr, "%s never defined\n", mlp->name);
192*7c478bd9Sstevel@tonic-gate 	error = B_TRUE;
193*7c478bd9Sstevel@tonic-gate }
194*7c478bd9Sstevel@tonic-gate 
195*7c478bd9Sstevel@tonic-gate static void
print_typeof(struct mlist * mlp,struct tdesc * tdp,char * format,int level)196*7c478bd9Sstevel@tonic-gate print_typeof(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
197*7c478bd9Sstevel@tonic-gate {
198*7c478bd9Sstevel@tonic-gate 	switch_on_type(mlp, tdp->data.tdesc, format, level);
199*7c478bd9Sstevel@tonic-gate }
200*7c478bd9Sstevel@tonic-gate 
201*7c478bd9Sstevel@tonic-gate static void
print_volatile(struct mlist * mlp,struct tdesc * tdp,char * format,int level)202*7c478bd9Sstevel@tonic-gate print_volatile(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
203*7c478bd9Sstevel@tonic-gate {
204*7c478bd9Sstevel@tonic-gate 	switch_on_type(mlp, tdp->data.tdesc, format, level);
205*7c478bd9Sstevel@tonic-gate }
206*7c478bd9Sstevel@tonic-gate 
207*7c478bd9Sstevel@tonic-gate static void
print_intrinsic(struct mlist * mlp,struct tdesc * tdp,char * format,int level)208*7c478bd9Sstevel@tonic-gate print_intrinsic(struct mlist *mlp, struct tdesc *tdp,
209*7c478bd9Sstevel@tonic-gate     char *format, int level)
210*7c478bd9Sstevel@tonic-gate {
211*7c478bd9Sstevel@tonic-gate 	if (level != 0) {
212*7c478bd9Sstevel@tonic-gate 		switch (tdp->size) {
213*7c478bd9Sstevel@tonic-gate 		case 1:
214*7c478bd9Sstevel@tonic-gate 			printf("/* ' c@ ' %s */", format);
215*7c478bd9Sstevel@tonic-gate 			break;
216*7c478bd9Sstevel@tonic-gate 		case 2:
217*7c478bd9Sstevel@tonic-gate 			printf("/* ' w@ ' %s */", format);
218*7c478bd9Sstevel@tonic-gate 			break;
219*7c478bd9Sstevel@tonic-gate 		case 4:
220*7c478bd9Sstevel@tonic-gate 			printf("/* ' l@ ' %s */", format);
221*7c478bd9Sstevel@tonic-gate 			break;
222*7c478bd9Sstevel@tonic-gate 		case 8:
223*7c478bd9Sstevel@tonic-gate 			printf("/* ' x@ ' %s */", format);
224*7c478bd9Sstevel@tonic-gate 			break;
225*7c478bd9Sstevel@tonic-gate 		}
226*7c478bd9Sstevel@tonic-gate 	/*
227*7c478bd9Sstevel@tonic-gate 	 * Check for bit field.
228*7c478bd9Sstevel@tonic-gate 	 */
229*7c478bd9Sstevel@tonic-gate 	} else if (mlp->size != 0 &&
230*7c478bd9Sstevel@tonic-gate 	    ((mlp->size % 8) != 0 || (mlp->offset % mlp->size) != 0)) {
231*7c478bd9Sstevel@tonic-gate 		int offset, shift, mask;
232*7c478bd9Sstevel@tonic-gate 
233*7c478bd9Sstevel@tonic-gate 		offset = (mlp->offset / 32) * 4;
234*7c478bd9Sstevel@tonic-gate 		shift = 32 - ((mlp->offset % 32) + mlp->size);
235*7c478bd9Sstevel@tonic-gate 		mask = ((int)pow(2, mlp->size) - 1) << shift;
236*7c478bd9Sstevel@tonic-gate 
237*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s_SHIFT 0x%x\n", format, shift);
238*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s_MASK 0x%x\n", format, mask);
239*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s_OFFSET 0x%x\n", format, offset);
240*7c478bd9Sstevel@tonic-gate 	} else if (mlp->name != NULL) {
241*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
242*7c478bd9Sstevel@tonic-gate 	}
243*7c478bd9Sstevel@tonic-gate }
244*7c478bd9Sstevel@tonic-gate 
245*7c478bd9Sstevel@tonic-gate static void
print_pointer(struct mlist * mlp,struct tdesc * tdp,char * format,int level)246*7c478bd9Sstevel@tonic-gate print_pointer(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
247*7c478bd9Sstevel@tonic-gate {
248*7c478bd9Sstevel@tonic-gate 	if (level != 0) {
249*7c478bd9Sstevel@tonic-gate 		switch (tdp->size) {
250*7c478bd9Sstevel@tonic-gate 		case 1:
251*7c478bd9Sstevel@tonic-gate 			printf("/* ' c@ ' %s */", format);
252*7c478bd9Sstevel@tonic-gate 			break;
253*7c478bd9Sstevel@tonic-gate 		case 2:
254*7c478bd9Sstevel@tonic-gate 			printf("/* ' w@ ' %s */", format);
255*7c478bd9Sstevel@tonic-gate 			break;
256*7c478bd9Sstevel@tonic-gate 		case 4:
257*7c478bd9Sstevel@tonic-gate 			printf("/* ' l@ ' %s */", format);
258*7c478bd9Sstevel@tonic-gate 			break;
259*7c478bd9Sstevel@tonic-gate 		case 8:
260*7c478bd9Sstevel@tonic-gate 			printf("/* ' x@ ' %s */", format);
261*7c478bd9Sstevel@tonic-gate 			break;
262*7c478bd9Sstevel@tonic-gate 		}
263*7c478bd9Sstevel@tonic-gate 	} else {
264*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
265*7c478bd9Sstevel@tonic-gate 	}
266*7c478bd9Sstevel@tonic-gate }
267*7c478bd9Sstevel@tonic-gate 
268*7c478bd9Sstevel@tonic-gate static void
print_array(struct mlist * mlp,struct tdesc * tdp,char * format,int level)269*7c478bd9Sstevel@tonic-gate print_array(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
270*7c478bd9Sstevel@tonic-gate {
271*7c478bd9Sstevel@tonic-gate 	struct ardef *ap = tdp->data.ardef;
272*7c478bd9Sstevel@tonic-gate 	int items, inc;
273*7c478bd9Sstevel@tonic-gate 
274*7c478bd9Sstevel@tonic-gate 	if (level == 0) {
275*7c478bd9Sstevel@tonic-gate 		items = ap->indices->range_end - ap->indices->range_start + 1;
276*7c478bd9Sstevel@tonic-gate 		inc = (mlp->size / items) / 8;
277*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
278*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s_INCR 0x%x\n", format, inc);
279*7c478bd9Sstevel@tonic-gate 	}
280*7c478bd9Sstevel@tonic-gate }
281*7c478bd9Sstevel@tonic-gate 
282*7c478bd9Sstevel@tonic-gate static void
print_function(struct mlist * mlp,struct tdesc * tdp,char * format,int level)283*7c478bd9Sstevel@tonic-gate print_function(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
284*7c478bd9Sstevel@tonic-gate {
285*7c478bd9Sstevel@tonic-gate 	fprintf(stderr, "function in struct %s\n", tdp->name);
286*7c478bd9Sstevel@tonic-gate 	error = B_TRUE;
287*7c478bd9Sstevel@tonic-gate }
288*7c478bd9Sstevel@tonic-gate 
289*7c478bd9Sstevel@tonic-gate static void
print_struct(struct mlist * mlp,struct tdesc * tdp,char * format,int level)290*7c478bd9Sstevel@tonic-gate print_struct(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
291*7c478bd9Sstevel@tonic-gate {
292*7c478bd9Sstevel@tonic-gate 	if (level != 0)
293*7c478bd9Sstevel@tonic-gate 		printf("/* ' noop ' %s */", format);
294*7c478bd9Sstevel@tonic-gate 	else
295*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
296*7c478bd9Sstevel@tonic-gate }
297*7c478bd9Sstevel@tonic-gate 
298*7c478bd9Sstevel@tonic-gate static void
print_union(struct mlist * mlp,struct tdesc * tdp,char * format,int level)299*7c478bd9Sstevel@tonic-gate print_union(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
300*7c478bd9Sstevel@tonic-gate {
301*7c478bd9Sstevel@tonic-gate 	if (level != 0)
302*7c478bd9Sstevel@tonic-gate 		printf("/* ' noop ' %s */", format);
303*7c478bd9Sstevel@tonic-gate 	else
304*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
305*7c478bd9Sstevel@tonic-gate }
306*7c478bd9Sstevel@tonic-gate 
307*7c478bd9Sstevel@tonic-gate static void
print_enum(struct mlist * mlp,struct tdesc * tdp,char * format,int level)308*7c478bd9Sstevel@tonic-gate print_enum(struct mlist *mlp, struct tdesc *tdp, char *format, int level)
309*7c478bd9Sstevel@tonic-gate {
310*7c478bd9Sstevel@tonic-gate 	if (level != 0)
311*7c478bd9Sstevel@tonic-gate 		printf("/* ' l@ ' %s */", format);
312*7c478bd9Sstevel@tonic-gate 	else
313*7c478bd9Sstevel@tonic-gate 		printf("#define\t%s 0x%x\n", format, mlp->offset / 8);
314*7c478bd9Sstevel@tonic-gate }
315*7c478bd9Sstevel@tonic-gate 
316*7c478bd9Sstevel@tonic-gate static int
stabs_log2(unsigned int value)317*7c478bd9Sstevel@tonic-gate stabs_log2(unsigned int value)
318*7c478bd9Sstevel@tonic-gate {
319*7c478bd9Sstevel@tonic-gate 	int log = 1;
320*7c478bd9Sstevel@tonic-gate 	int i;
321*7c478bd9Sstevel@tonic-gate 
322*7c478bd9Sstevel@tonic-gate 	for (i = 0; i < sizeof (value) * 8; i++) {
323*7c478bd9Sstevel@tonic-gate 		if ((log << i) == value)
324*7c478bd9Sstevel@tonic-gate 			return (i);
325*7c478bd9Sstevel@tonic-gate 	}
326*7c478bd9Sstevel@tonic-gate 	return (-1);
327*7c478bd9Sstevel@tonic-gate }
328