2 * Copyright (c) 2004, The DragonFly Project. All rights reserved.
3 * Copyright (c) 1998, Peter Wemm <peter@netplex.com.au>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/usr.bin/objformat/objformat.c,v 1.6 1998/10/24 02:01:30 jdp Exp $
30 #include <sys/param.h>
33 #include <objformat.h>
40 #define CCVER_DEFAULT "gcc44"
43 #ifndef BINUTILSVER_DEFAULT
44 #define BINUTILSVER_DEFAULT "binutils222"
47 #define LINKER_DEFAULT "ld.bfd"
48 #define LINKER_GOLD "ld.gold"
50 #ifndef OBJFORMAT_PATH_DEFAULT
51 #define OBJFORMAT_PATH_DEFAULT ""
54 enum cmd_type { OBJFORMAT, COMPILER, BINUTILS, LINKER };
61 static struct command commands[] = {
70 {"addr2line", BINUTILS},
73 {"c++filt", BINUTILS},
74 {"elfedit", BINUTILS},
77 {"objcopy", BINUTILS},
78 {"objdump", BINUTILS},
80 {"readelf", BINUTILS},
82 {"strings", BINUTILS},
84 {"incremental-dump", BINUTILS},
85 {"objformat", OBJFORMAT},
90 main(int argc, char **argv)
92 char ld_orig[] = LINKER_DEFAULT;
93 char ld_gold[] = LINKER_GOLD;
97 char *cmd, *newcmd = NULL;
98 char *ldcmd = ld_orig;
99 const char *objformat_path;
103 const char *env_value = NULL;
104 const char *base_path = NULL;
105 int use_objformat = 0;
107 if (getobjformat(objformat, sizeof objformat, &argc, argv) == -1)
108 errx(1, "Invalid object format");
111 * Get the last path element of the program name being executed
113 cmd = strrchr(argv[0], '/');
119 for (cmds = commands; cmds < &commands[NELEM(commands) - 1]; ++cmds) {
120 if (strcmp(cmd, cmds->cmd) == 0)
124 if ((ccver = getenv("CCVER")) == NULL || ccver[0] == 0)
125 ccver = CCVER_DEFAULT;
126 if ((buver = getenv("BINUTILSVER")) == NULL)
127 buver = BINUTILSVER_DEFAULT;
130 switch (cmds->type) {
132 base_path = "/usr/libexec";
137 base_path = "/usr/libexec";
142 ldver = getenv("LINKERVER");
143 if ((ldver != NULL) && (strcmp(ldver, ld_gold) == 0))
145 base_path = "/usr/libexec";
153 errx(1, "unknown command type");
159 * The objformat command itself doesn't need another exec
161 if (cmds->type == OBJFORMAT) {
163 fprintf(stderr, "Usage: objformat\n");
167 printf("%s\n", objformat);
172 * make buildworld glue and CCVER overrides.
174 objformat_path = getenv("OBJFORMAT_PATH");
175 if (objformat_path == NULL)
176 objformat_path = OBJFORMAT_PATH_DEFAULT;
179 path = strdup(objformat_path);
181 if (setenv("OBJFORMAT", objformat, 1) == -1)
182 err(1, "setenv: cannot set OBJFORMAT=%s", objformat);
185 * objformat_path could be sequence of colon-separated paths.
187 while ((chunk = strsep(&path, ":")) != NULL) {
188 if (newcmd != NULL) {
193 asprintf(&newcmd, "%s%s/%s/%s/%s",
194 chunk, base_path, env_value, objformat, cmd);
196 asprintf(&newcmd, "%s%s/%s/%s",
197 chunk, base_path, env_value, cmd);
200 err(1, "cannot allocate memory");
207 * Fallback: if we're searching for a compiler, but didn't
208 * find any, try again using the custom compiler driver.
210 if (cmds && cmds->type == COMPILER &&
211 strcmp(env_value, "custom") != 0) {
212 env_value = "custom";
217 err(1, "in path [%s]%s/%s/%s/%s",
218 objformat_path, base_path, env_value, objformat, cmd);
220 err(1, "in path [%s]%s/%s/%s",
221 objformat_path, base_path, env_value, cmd);