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