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