1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * Routines used to read stabs data from a file, and to build a tdata structure
31*0Sstevel@tonic-gate  * based on the interesting parts of that data.
32*0Sstevel@tonic-gate  */
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include <stdio.h>
35*0Sstevel@tonic-gate #include <stdlib.h>
36*0Sstevel@tonic-gate #include <fcntl.h>
37*0Sstevel@tonic-gate #include <unistd.h>
38*0Sstevel@tonic-gate #include <assert.h>
39*0Sstevel@tonic-gate #include <string.h>
40*0Sstevel@tonic-gate #include <libgen.h>
41*0Sstevel@tonic-gate #include <errno.h>
42*0Sstevel@tonic-gate #include <sys/types.h>
43*0Sstevel@tonic-gate #include <sys/param.h>
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate #include "ctftools.h"
46*0Sstevel@tonic-gate #include "list.h"
47*0Sstevel@tonic-gate #include "stack.h"
48*0Sstevel@tonic-gate #include "memory.h"
49*0Sstevel@tonic-gate #include "traverse.h"
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate const char *curhdr;
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate /*
54*0Sstevel@tonic-gate  * The stabs generator will sometimes reference types before they've been
55*0Sstevel@tonic-gate  * defined.  If this is the case, a TYPEDEF_UNRES tdesc will be generated.
56*0Sstevel@tonic-gate  * Note that this is different from a forward declaration, in which the
57*0Sstevel@tonic-gate  * stab is defined, but is defined as something that doesn't exist yet.
58*0Sstevel@tonic-gate  * When we have read all of the stabs from the file, we can go back and
59*0Sstevel@tonic-gate  * fix up all of the unresolved types.  We should be able to fix all of them.
60*0Sstevel@tonic-gate  */
61*0Sstevel@tonic-gate /*ARGSUSED2*/
62*0Sstevel@tonic-gate static int
63*0Sstevel@tonic-gate resolve_tou_node(tdesc_t *node, tdesc_t **nodep, void *private)
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate 	tdesc_t *new;
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 	debug(3, "Trying to resolve %s (%d)\n",
68*0Sstevel@tonic-gate 	    (node->t_name ? node->t_name : "(anon)"), node->t_id);
69*0Sstevel@tonic-gate 	new = lookup(node->t_id);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	if (new == NULL) {
72*0Sstevel@tonic-gate 		terminate("Couldn't resolve type %d\n", node->t_id);
73*0Sstevel@tonic-gate 	}
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate 	debug(3, " Resolving to %d\n", new->t_id);
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	*nodep = new;
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	return (1);
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate /*ARGSUSED*/
83*0Sstevel@tonic-gate static int
84*0Sstevel@tonic-gate resolve_fwd_node(tdesc_t *node, tdesc_t **nodep, void *private)
85*0Sstevel@tonic-gate {
86*0Sstevel@tonic-gate 	tdesc_t *new = lookupname(node->t_name);
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate 	debug(3, "Trying to unforward %s (%d)\n",
89*0Sstevel@tonic-gate 	    (node->t_name ? node->t_name : "(anon)"), node->t_id);
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 	if (!new || (new->t_type != STRUCT && new->t_type != UNION))
92*0Sstevel@tonic-gate 		return (0);
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	debug(3, " Unforwarded to %d\n", new->t_id);
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	*nodep = new;
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate 	return (1);
99*0Sstevel@tonic-gate }
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate static tdtrav_cb_f resolve_cbs[] = {
102*0Sstevel@tonic-gate 	NULL,
103*0Sstevel@tonic-gate 	NULL,			/* intrinsic */
104*0Sstevel@tonic-gate 	NULL,			/* pointer */
105*0Sstevel@tonic-gate 	NULL,			/* array */
106*0Sstevel@tonic-gate 	NULL,			/* function */
107*0Sstevel@tonic-gate 	NULL,			/* struct */
108*0Sstevel@tonic-gate 	NULL,			/* union */
109*0Sstevel@tonic-gate 	NULL,			/* enum */
110*0Sstevel@tonic-gate 	resolve_fwd_node,	/* forward */
111*0Sstevel@tonic-gate 	NULL,			/* typedef */
112*0Sstevel@tonic-gate 	resolve_tou_node,	/* typedef unres */
113*0Sstevel@tonic-gate 	NULL,			/* volatile */
114*0Sstevel@tonic-gate 	NULL,			/* const */
115*0Sstevel@tonic-gate 	NULL,			/* restrict */
116*0Sstevel@tonic-gate };
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate static void
119*0Sstevel@tonic-gate resolve_nodes(tdata_t *td)
120*0Sstevel@tonic-gate {
121*0Sstevel@tonic-gate 	debug(2, "Resolving unresolved stabs\n");
122*0Sstevel@tonic-gate 
123*0Sstevel@tonic-gate 	(void) iitraverse_hash(td->td_iihash, &td->td_curvgen, resolve_cbs,
124*0Sstevel@tonic-gate 	    NULL, NULL, td);
125*0Sstevel@tonic-gate }
126*0Sstevel@tonic-gate 
127*0Sstevel@tonic-gate static char *
128*0Sstevel@tonic-gate concat(char *s1, char *s2, int s2strip)
129*0Sstevel@tonic-gate {
130*0Sstevel@tonic-gate 	int savelen = strlen(s2) - s2strip;
131*0Sstevel@tonic-gate 	int newlen = (s1 ? strlen(s1) : 0) + savelen + 1;
132*0Sstevel@tonic-gate 	char *out;
133*0Sstevel@tonic-gate 
134*0Sstevel@tonic-gate 	out = xrealloc(s1, newlen);
135*0Sstevel@tonic-gate 	if (s1)
136*0Sstevel@tonic-gate 		strncpy(out + strlen(out), s2, savelen);
137*0Sstevel@tonic-gate 	else
138*0Sstevel@tonic-gate 		strncpy(out, s2, savelen);
139*0Sstevel@tonic-gate 
140*0Sstevel@tonic-gate 	out[newlen - 1] = '\0';
141*0Sstevel@tonic-gate 
142*0Sstevel@tonic-gate 	return (out);
143*0Sstevel@tonic-gate }
144*0Sstevel@tonic-gate 
145*0Sstevel@tonic-gate /*
146*0Sstevel@tonic-gate  * N_FUN stabs come with their arguments in promoted form.  In order to get the
147*0Sstevel@tonic-gate  * actual arguments, we need to wait for the N_PSYM stabs that will come towards
148*0Sstevel@tonic-gate  * the end of the function.  These routines free the arguments (fnarg_free) we
149*0Sstevel@tonic-gate  * got from the N_FUN stab and add (fnarg_add) the ones from the N_PSYM stabs.
150*0Sstevel@tonic-gate  */
151*0Sstevel@tonic-gate static void
152*0Sstevel@tonic-gate fnarg_add(iidesc_t *curfun, iidesc_t *arg)
153*0Sstevel@tonic-gate {
154*0Sstevel@tonic-gate 	curfun->ii_nargs++;
155*0Sstevel@tonic-gate 
156*0Sstevel@tonic-gate 	if (curfun->ii_nargs == 1)
157*0Sstevel@tonic-gate 		curfun->ii_args = xmalloc(sizeof (tdesc_t *) * FUNCARG_DEF);
158*0Sstevel@tonic-gate 	else if (curfun->ii_nargs > FUNCARG_DEF) {
159*0Sstevel@tonic-gate 		curfun->ii_args = xrealloc(curfun->ii_args,
160*0Sstevel@tonic-gate 		    sizeof (tdesc_t *) * curfun->ii_nargs);
161*0Sstevel@tonic-gate 	}
162*0Sstevel@tonic-gate 
163*0Sstevel@tonic-gate 	curfun->ii_args[curfun->ii_nargs - 1] = arg->ii_dtype;
164*0Sstevel@tonic-gate 	arg->ii_dtype = NULL;
165*0Sstevel@tonic-gate }
166*0Sstevel@tonic-gate 
167*0Sstevel@tonic-gate static void
168*0Sstevel@tonic-gate fnarg_free(iidesc_t *ii)
169*0Sstevel@tonic-gate {
170*0Sstevel@tonic-gate 	ii->ii_nargs = 0;
171*0Sstevel@tonic-gate 	free(ii->ii_args);
172*0Sstevel@tonic-gate 	ii->ii_args = NULL;
173*0Sstevel@tonic-gate }
174*0Sstevel@tonic-gate 
175*0Sstevel@tonic-gate /*
176*0Sstevel@tonic-gate  * Read the stabs from the stab ELF section, and turn them into a tdesc tree,
177*0Sstevel@tonic-gate  * assembled under an iidesc list.
178*0Sstevel@tonic-gate  */
179*0Sstevel@tonic-gate int
180*0Sstevel@tonic-gate stabs_read(tdata_t *td, Elf *elf, const char *filename)
181*0Sstevel@tonic-gate {
182*0Sstevel@tonic-gate 	Elf_Scn *scn;
183*0Sstevel@tonic-gate 	Elf_Data *data;
184*0Sstevel@tonic-gate 	stab_t *stab;
185*0Sstevel@tonic-gate 	stk_t *file_stack;
186*0Sstevel@tonic-gate 	iidesc_t *iidescp;
187*0Sstevel@tonic-gate 	iidesc_t *curfun = NULL;
188*0Sstevel@tonic-gate 	char curpath[MAXPATHLEN];
189*0Sstevel@tonic-gate 	char *curfile = NULL;
190*0Sstevel@tonic-gate 	char *str;
191*0Sstevel@tonic-gate 	char *fstr = NULL, *ofstr = NULL;
192*0Sstevel@tonic-gate 	int stabidx, stabstridx;
193*0Sstevel@tonic-gate 	int nstabs, rc, i;
194*0Sstevel@tonic-gate 	int scope = 0;
195*0Sstevel@tonic-gate 
196*0Sstevel@tonic-gate 	if (!((stabidx = findelfsecidx(elf, ".stab.excl")) >= 0 &&
197*0Sstevel@tonic-gate 	    (stabstridx = findelfsecidx(elf, ".stab.exclstr")) >= 0) &&
198*0Sstevel@tonic-gate 	    !((stabidx = findelfsecidx(elf, ".stab")) >= 0 &&
199*0Sstevel@tonic-gate 	    (stabstridx = findelfsecidx(elf, ".stabstr")) >= 0)) {
200*0Sstevel@tonic-gate 		errno = ENOENT;
201*0Sstevel@tonic-gate 		return (-1);
202*0Sstevel@tonic-gate 	}
203*0Sstevel@tonic-gate 
204*0Sstevel@tonic-gate 	file_stack = stack_new(free);
205*0Sstevel@tonic-gate 
206*0Sstevel@tonic-gate 	stack_push(file_stack, (void *)filename);
207*0Sstevel@tonic-gate 	curhdr = filename;
208*0Sstevel@tonic-gate 
209*0Sstevel@tonic-gate 	debug(3, "Found stabs in %d, strings in %d\n", stabidx, stabstridx);
210*0Sstevel@tonic-gate 
211*0Sstevel@tonic-gate 	scn = elf_getscn(elf, stabidx);
212*0Sstevel@tonic-gate 	data = elf_rawdata(scn, NULL);
213*0Sstevel@tonic-gate 	nstabs = data->d_size / sizeof (stab_t);
214*0Sstevel@tonic-gate 
215*0Sstevel@tonic-gate 	parse_init(td);
216*0Sstevel@tonic-gate 	for (i = 0; i < nstabs; i++) {
217*0Sstevel@tonic-gate 		stab = &((stab_t *)data->d_buf)[i];
218*0Sstevel@tonic-gate 
219*0Sstevel@tonic-gate 		/* We don't want any local definitions */
220*0Sstevel@tonic-gate 		if (stab->n_type == N_LBRAC) {
221*0Sstevel@tonic-gate 			scope++;
222*0Sstevel@tonic-gate 			debug(3, "stab %d: opening scope (%d)\n", i + 1, scope);
223*0Sstevel@tonic-gate 			continue;
224*0Sstevel@tonic-gate 		} else if (stab->n_type == N_RBRAC) {
225*0Sstevel@tonic-gate 			scope--;
226*0Sstevel@tonic-gate 			debug(3, "stab %d: closing scope (%d)\n", i + 1, scope);
227*0Sstevel@tonic-gate 			continue;
228*0Sstevel@tonic-gate 		} else if (stab->n_type == N_EINCL) {
229*0Sstevel@tonic-gate 			/*
230*0Sstevel@tonic-gate 			 * There's a bug in the 5.2 (Taz) compilers that causes
231*0Sstevel@tonic-gate 			 * them to emit an extra N_EINCL if there's no actual
232*0Sstevel@tonic-gate 			 * text in the file being compiled.  To work around this
233*0Sstevel@tonic-gate 			 * bug, we explicitly check to make sure we're not
234*0Sstevel@tonic-gate 			 * trying to pop a stack that only has the outer scope
235*0Sstevel@tonic-gate 			 * on it.
236*0Sstevel@tonic-gate 			 */
237*0Sstevel@tonic-gate 			if (stack_level(file_stack) != 1) {
238*0Sstevel@tonic-gate 				str = (char *)stack_pop(file_stack);
239*0Sstevel@tonic-gate 				free(str);
240*0Sstevel@tonic-gate 				curhdr = (char *)stack_peek(file_stack);
241*0Sstevel@tonic-gate 			}
242*0Sstevel@tonic-gate 		}
243*0Sstevel@tonic-gate 
244*0Sstevel@tonic-gate 		/* We only care about a subset of the stabs */
245*0Sstevel@tonic-gate 		if (!(stab->n_type == N_FUN || stab->n_type == N_GSYM ||
246*0Sstevel@tonic-gate 		    stab->n_type == N_LCSYM || stab->n_type == N_LSYM ||
247*0Sstevel@tonic-gate 		    stab->n_type == N_PSYM || stab->n_type == N_ROSYM ||
248*0Sstevel@tonic-gate 		    stab->n_type == N_RSYM ||
249*0Sstevel@tonic-gate 		    stab->n_type == N_STSYM || stab->n_type == N_BINCL ||
250*0Sstevel@tonic-gate 		    stab->n_type == N_SO || stab->n_type == N_OPT))
251*0Sstevel@tonic-gate 			continue;
252*0Sstevel@tonic-gate 
253*0Sstevel@tonic-gate 		if ((str = elf_strptr(elf, stabstridx,
254*0Sstevel@tonic-gate 		    (size_t)stab->n_strx)) == NULL) {
255*0Sstevel@tonic-gate 			terminate("Can't find string at %u for stab %d\n",
256*0Sstevel@tonic-gate 			    stab->n_strx, i);
257*0Sstevel@tonic-gate 		}
258*0Sstevel@tonic-gate 
259*0Sstevel@tonic-gate 		if (stab->n_type == N_BINCL) {
260*0Sstevel@tonic-gate 			curhdr = xstrdup(str);
261*0Sstevel@tonic-gate 			stack_push(file_stack, (void *)curhdr);
262*0Sstevel@tonic-gate 			continue;
263*0Sstevel@tonic-gate 		} else if (stab->n_type == N_SO) {
264*0Sstevel@tonic-gate 			if (str[strlen(str) - 1] != '/') {
265*0Sstevel@tonic-gate 				strcpy(curpath, str);
266*0Sstevel@tonic-gate 				curfile = basename(curpath);
267*0Sstevel@tonic-gate 			}
268*0Sstevel@tonic-gate 			continue;
269*0Sstevel@tonic-gate 		} else if (stab->n_type == N_OPT) {
270*0Sstevel@tonic-gate 			if (strcmp(str, "gcc2_compiled.") == 0) {
271*0Sstevel@tonic-gate 				terminate("GCC-generated stabs are "
272*0Sstevel@tonic-gate 				    "unsupported.  Use DWARF instead.\n");
273*0Sstevel@tonic-gate 			}
274*0Sstevel@tonic-gate 			continue;
275*0Sstevel@tonic-gate 		}
276*0Sstevel@tonic-gate 
277*0Sstevel@tonic-gate 		if (str[strlen(str) - 1] == '\\') {
278*0Sstevel@tonic-gate 			int offset = 1;
279*0Sstevel@tonic-gate 			/*
280*0Sstevel@tonic-gate 			 * There's a bug in the compilers that causes them to
281*0Sstevel@tonic-gate 			 * generate \ for continuations with just -g (this is
282*0Sstevel@tonic-gate 			 * ok), and \\ for continuations with -g -O (this is
283*0Sstevel@tonic-gate 			 * broken).  This bug is "fixed" in the 6.2 compilers
284*0Sstevel@tonic-gate 			 * via the elimination of continuation stabs.
285*0Sstevel@tonic-gate 			 */
286*0Sstevel@tonic-gate 			if (str[strlen(str) - 2] == '\\')
287*0Sstevel@tonic-gate 				offset = 2;
288*0Sstevel@tonic-gate 			fstr = concat(fstr, str, offset);
289*0Sstevel@tonic-gate 			continue;
290*0Sstevel@tonic-gate 		} else
291*0Sstevel@tonic-gate 			fstr = concat(fstr, str, 0);
292*0Sstevel@tonic-gate 
293*0Sstevel@tonic-gate 		debug(3, "%4d: .stabs \"%s\", %#x, %d, %hd, %d (from %s)\n", i,
294*0Sstevel@tonic-gate 		    fstr, stab->n_type, 0, stab->n_desc,
295*0Sstevel@tonic-gate 		    stab->n_value, curhdr);
296*0Sstevel@tonic-gate 
297*0Sstevel@tonic-gate 		if (debug_level >= 3)
298*0Sstevel@tonic-gate 			check_hash();
299*0Sstevel@tonic-gate 
300*0Sstevel@tonic-gate 		/*
301*0Sstevel@tonic-gate 		 * Sometimes the compiler stutters, and emits the same stab
302*0Sstevel@tonic-gate 		 * twice.  This is bad for the parser, which will attempt to
303*0Sstevel@tonic-gate 		 * redefine the type IDs indicated in the stabs.  This is
304*0Sstevel@tonic-gate 		 * compiler bug 4433511.
305*0Sstevel@tonic-gate 		 */
306*0Sstevel@tonic-gate 		if (ofstr && strcmp(fstr, ofstr) == 0) {
307*0Sstevel@tonic-gate 			debug(3, "Stutter stab\n");
308*0Sstevel@tonic-gate 			free(fstr);
309*0Sstevel@tonic-gate 			fstr = NULL;
310*0Sstevel@tonic-gate 			continue;
311*0Sstevel@tonic-gate 		}
312*0Sstevel@tonic-gate 
313*0Sstevel@tonic-gate 		if (ofstr)
314*0Sstevel@tonic-gate 			free(ofstr);
315*0Sstevel@tonic-gate 		ofstr = fstr;
316*0Sstevel@tonic-gate 
317*0Sstevel@tonic-gate 		iidescp = NULL;
318*0Sstevel@tonic-gate 		if ((rc = parse_stab(stab, fstr, &iidescp)) < 0)
319*0Sstevel@tonic-gate 			terminate("Couldn't parse stab \"%s\" (file %s)\n",
320*0Sstevel@tonic-gate 			    str, curhdr);
321*0Sstevel@tonic-gate 		if (rc == 0)
322*0Sstevel@tonic-gate 			goto parse_loop_end;
323*0Sstevel@tonic-gate 
324*0Sstevel@tonic-gate 		/* Make sure the scope tracking is working correctly */
325*0Sstevel@tonic-gate 		assert(stab->n_type != N_FUN || (iidescp->ii_type != II_GFUN &&
326*0Sstevel@tonic-gate 		    iidescp->ii_type != II_SFUN) || scope == 0);
327*0Sstevel@tonic-gate 
328*0Sstevel@tonic-gate 		/*
329*0Sstevel@tonic-gate 		 * The only things we care about that are in local scope are
330*0Sstevel@tonic-gate 		 * the N_PSYM stabs.
331*0Sstevel@tonic-gate 		 */
332*0Sstevel@tonic-gate 		if (scope && stab->n_type != N_PSYM) {
333*0Sstevel@tonic-gate 			if (iidescp)
334*0Sstevel@tonic-gate 				iidesc_free(iidescp, NULL);
335*0Sstevel@tonic-gate 			goto parse_loop_end;
336*0Sstevel@tonic-gate 		}
337*0Sstevel@tonic-gate 
338*0Sstevel@tonic-gate 		switch (iidescp->ii_type) {
339*0Sstevel@tonic-gate 		case II_SFUN:
340*0Sstevel@tonic-gate 			iidescp->ii_owner = xstrdup(curfile);
341*0Sstevel@tonic-gate 			/*FALLTHROUGH*/
342*0Sstevel@tonic-gate 		case II_GFUN:
343*0Sstevel@tonic-gate 			curfun = iidescp;
344*0Sstevel@tonic-gate 			fnarg_free(iidescp);
345*0Sstevel@tonic-gate 			iidesc_add(td->td_iihash, iidescp);
346*0Sstevel@tonic-gate 			break;
347*0Sstevel@tonic-gate 
348*0Sstevel@tonic-gate 		case II_SVAR:
349*0Sstevel@tonic-gate 			iidescp->ii_owner = xstrdup(curfile);
350*0Sstevel@tonic-gate 			/*FALLTHROUGH*/
351*0Sstevel@tonic-gate 		case II_GVAR:
352*0Sstevel@tonic-gate 		case II_TYPE:
353*0Sstevel@tonic-gate 		case II_SOU:
354*0Sstevel@tonic-gate 			iidesc_add(td->td_iihash, iidescp);
355*0Sstevel@tonic-gate 			break;
356*0Sstevel@tonic-gate 
357*0Sstevel@tonic-gate 		case II_PSYM:
358*0Sstevel@tonic-gate 			fnarg_add(curfun, iidescp);
359*0Sstevel@tonic-gate 			iidesc_free(iidescp, NULL);
360*0Sstevel@tonic-gate 			break;
361*0Sstevel@tonic-gate 		default:
362*0Sstevel@tonic-gate 			terminate("Unknown iidesc type %d\n", iidescp->ii_type);
363*0Sstevel@tonic-gate 		}
364*0Sstevel@tonic-gate 
365*0Sstevel@tonic-gate parse_loop_end:
366*0Sstevel@tonic-gate 		fstr = NULL;
367*0Sstevel@tonic-gate 	}
368*0Sstevel@tonic-gate 
369*0Sstevel@tonic-gate 	if (ofstr)
370*0Sstevel@tonic-gate 		free(ofstr);
371*0Sstevel@tonic-gate 
372*0Sstevel@tonic-gate 	resolve_nodes(td);
373*0Sstevel@tonic-gate 	resolve_typed_bitfields();
374*0Sstevel@tonic-gate 	parse_finish(td);
375*0Sstevel@tonic-gate 
376*0Sstevel@tonic-gate 	cvt_fixbugs(td);
377*0Sstevel@tonic-gate 
378*0Sstevel@tonic-gate 	return (0);
379*0Sstevel@tonic-gate }
380