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 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
27*7c478bd9Sstevel@tonic-gate 
28*7c478bd9Sstevel@tonic-gate #include <stdio.h>
29*7c478bd9Sstevel@tonic-gate #include <unistd.h>
30*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
31*7c478bd9Sstevel@tonic-gate #include <string.h>
32*7c478bd9Sstevel@tonic-gate #include <libelf.h>
33*7c478bd9Sstevel@tonic-gate #include <sys/param.h>
34*7c478bd9Sstevel@tonic-gate #include <link.h>
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate #pragma init(ld_support_init)
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate #define	SUNPRO_DEPENDENCIES	"SUNPRO_DEPENDENCIES"
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate /*
41*7c478bd9Sstevel@tonic-gate  * Linked list of strings - used to keep lists of names
42*7c478bd9Sstevel@tonic-gate  * of directories or files.
43*7c478bd9Sstevel@tonic-gate  */
44*7c478bd9Sstevel@tonic-gate struct Stritem {
45*7c478bd9Sstevel@tonic-gate 	char	*str;
46*7c478bd9Sstevel@tonic-gate 	void	*next;
47*7c478bd9Sstevel@tonic-gate };
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate typedef struct Stritem 	Stritem;
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate static char 	*depend_file = NULL;
52*7c478bd9Sstevel@tonic-gate static Stritem	*list = NULL;
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate void
ld_support_init()55*7c478bd9Sstevel@tonic-gate ld_support_init()
56*7c478bd9Sstevel@tonic-gate {
57*7c478bd9Sstevel@tonic-gate 	depend_file = getenv(SUNPRO_DEPENDENCIES);
58*7c478bd9Sstevel@tonic-gate }
59*7c478bd9Sstevel@tonic-gate 
60*7c478bd9Sstevel@tonic-gate static void
prepend_str(Stritem ** list,const char * str)61*7c478bd9Sstevel@tonic-gate prepend_str(Stritem **list, const char *str)
62*7c478bd9Sstevel@tonic-gate {
63*7c478bd9Sstevel@tonic-gate 	Stritem		*new;
64*7c478bd9Sstevel@tonic-gate 	char		*newstr;
65*7c478bd9Sstevel@tonic-gate 	const char	*lib = "libldmake.so";
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate 	if (!(new = calloc(1, sizeof (Stritem)))) {
68*7c478bd9Sstevel@tonic-gate 		perror(lib);
69*7c478bd9Sstevel@tonic-gate 		return;
70*7c478bd9Sstevel@tonic-gate 	}
71*7c478bd9Sstevel@tonic-gate 
72*7c478bd9Sstevel@tonic-gate 	if (!(newstr = malloc(strlen(str) + 1))) {
73*7c478bd9Sstevel@tonic-gate 		perror(lib);
74*7c478bd9Sstevel@tonic-gate 		return;
75*7c478bd9Sstevel@tonic-gate 	}
76*7c478bd9Sstevel@tonic-gate 
77*7c478bd9Sstevel@tonic-gate 	new->str = strcpy(newstr, str);
78*7c478bd9Sstevel@tonic-gate 	new->next = *list;
79*7c478bd9Sstevel@tonic-gate 	*list = new;
80*7c478bd9Sstevel@tonic-gate 
81*7c478bd9Sstevel@tonic-gate }
82*7c478bd9Sstevel@tonic-gate 
83*7c478bd9Sstevel@tonic-gate /* ARGSUSED */
84*7c478bd9Sstevel@tonic-gate void
ld_file(const char * file,const Elf_Kind ekind,int flags,Elf * elf)85*7c478bd9Sstevel@tonic-gate ld_file(const char *file, const Elf_Kind ekind, int flags, Elf *elf)
86*7c478bd9Sstevel@tonic-gate {
87*7c478bd9Sstevel@tonic-gate 	/*
88*7c478bd9Sstevel@tonic-gate 	 * SUNPRO_DEPENDENCIES wasn't set, we don't collect .make.state
89*7c478bd9Sstevel@tonic-gate 	 * information.
90*7c478bd9Sstevel@tonic-gate 	 */
91*7c478bd9Sstevel@tonic-gate 	if (!depend_file)
92*7c478bd9Sstevel@tonic-gate 		return;
93*7c478bd9Sstevel@tonic-gate 
94*7c478bd9Sstevel@tonic-gate 	if ((flags & LD_SUP_DERIVED) && !(flags & LD_SUP_EXTRACTED))
95*7c478bd9Sstevel@tonic-gate 		prepend_str(&list, file);
96*7c478bd9Sstevel@tonic-gate }
97*7c478bd9Sstevel@tonic-gate 
98*7c478bd9Sstevel@tonic-gate void
ld_file64(const char * file,const Elf_Kind ekind,int flags,Elf * elf)99*7c478bd9Sstevel@tonic-gate ld_file64(const char *file, const Elf_Kind ekind, int flags, Elf *elf)
100*7c478bd9Sstevel@tonic-gate {
101*7c478bd9Sstevel@tonic-gate 	ld_file(file, ekind, flags, elf);
102*7c478bd9Sstevel@tonic-gate }
103*7c478bd9Sstevel@tonic-gate 
104*7c478bd9Sstevel@tonic-gate void
ld_atexit(int exit_code)105*7c478bd9Sstevel@tonic-gate ld_atexit(int exit_code)
106*7c478bd9Sstevel@tonic-gate {
107*7c478bd9Sstevel@tonic-gate 	Stritem 	*cur;
108*7c478bd9Sstevel@tonic-gate 	char		lockfile[MAXPATHLEN], *err, *space, *target;
109*7c478bd9Sstevel@tonic-gate 	FILE		*ofp;
110*7c478bd9Sstevel@tonic-gate 	extern char 	*file_lock(char *, char *, int);
111*7c478bd9Sstevel@tonic-gate 
112*7c478bd9Sstevel@tonic-gate 	if (!depend_file || exit_code)
113*7c478bd9Sstevel@tonic-gate 		return;
114*7c478bd9Sstevel@tonic-gate 
115*7c478bd9Sstevel@tonic-gate 	if ((space = strchr(depend_file, ' ')) == NULL)
116*7c478bd9Sstevel@tonic-gate 		return;
117*7c478bd9Sstevel@tonic-gate 	*space = '\0';
118*7c478bd9Sstevel@tonic-gate 	target = &space[1];
119*7c478bd9Sstevel@tonic-gate 
120*7c478bd9Sstevel@tonic-gate 	(void) snprintf(lockfile, MAXPATHLEN, "%s.lock", depend_file);
121*7c478bd9Sstevel@tonic-gate 	if ((err = file_lock(depend_file, lockfile, 0))) {
122*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, "%s\n", err);
123*7c478bd9Sstevel@tonic-gate 		return;
124*7c478bd9Sstevel@tonic-gate 	}
125*7c478bd9Sstevel@tonic-gate 
126*7c478bd9Sstevel@tonic-gate 	if (!(ofp = fopen(depend_file, "a")))
127*7c478bd9Sstevel@tonic-gate 		return;
128*7c478bd9Sstevel@tonic-gate 
129*7c478bd9Sstevel@tonic-gate 	if (list)
130*7c478bd9Sstevel@tonic-gate 		(void) fprintf(ofp, "%s: ", target);
131*7c478bd9Sstevel@tonic-gate 
132*7c478bd9Sstevel@tonic-gate 	for (cur = list; cur; cur = cur->next)
133*7c478bd9Sstevel@tonic-gate 		(void) fprintf(ofp, " %s", cur->str);
134*7c478bd9Sstevel@tonic-gate 
135*7c478bd9Sstevel@tonic-gate 	(void) fputc('\n', ofp);
136*7c478bd9Sstevel@tonic-gate 
137*7c478bd9Sstevel@tonic-gate 	(void) fclose(ofp);
138*7c478bd9Sstevel@tonic-gate 	(void) unlink(lockfile);
139*7c478bd9Sstevel@tonic-gate 	*space = ' ';
140*7c478bd9Sstevel@tonic-gate }
141*7c478bd9Sstevel@tonic-gate 
142*7c478bd9Sstevel@tonic-gate void
ld_atexit64(int exit_code)143*7c478bd9Sstevel@tonic-gate ld_atexit64(int exit_code)
144*7c478bd9Sstevel@tonic-gate {
145*7c478bd9Sstevel@tonic-gate 	ld_atexit(exit_code);
146*7c478bd9Sstevel@tonic-gate }
147