]>
Commit | Line | Data |
---|---|---|
46215dc9 | 1 | /* Wrapper for ar/ranlib/nm to pass the LTO plugin. |
f1717362 | 2 | Copyright (C) 2011-2016 Free Software Foundation, Inc. |
46215dc9 | 3 | Contributed by Andi Kleen. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
46215dc9 | 21 | #include "config.h" |
22 | #include "system.h" | |
23 | #include "libiberty.h" | |
cdd7a5a4 | 24 | #include "file-find.h" |
46215dc9 | 25 | |
26 | #ifndef PERSONALITY | |
27 | #error "Please set personality" | |
28 | #endif | |
29 | ||
cdd7a5a4 | 30 | /* The exec prefix as derived at compile-time from --prefix. */ |
31 | ||
32 | static const char standard_exec_prefix[] = STANDARD_EXEC_PREFIX; | |
33 | ||
34 | /* The libexec prefix as derived at compile-time from --prefix. */ | |
35 | ||
46215dc9 | 36 | static const char standard_libexec_prefix[] = STANDARD_LIBEXEC_PREFIX; |
cdd7a5a4 | 37 | |
38 | /* The bindir prefix as derived at compile-time from --prefix. */ | |
39 | ||
46215dc9 | 40 | static const char standard_bin_prefix[] = STANDARD_BINDIR_PREFIX; |
cdd7a5a4 | 41 | |
42 | /* A relative path to be used in finding the location of tools | |
43 | relative to this program. */ | |
44 | ||
45 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; | |
46 | ||
47 | /* The exec prefix as relocated from the location of this program. */ | |
48 | ||
49 | static const char *self_exec_prefix; | |
50 | ||
51 | /* The libexec prefix as relocated from the location of this program. */ | |
52 | ||
53 | static const char *self_libexec_prefix; | |
54 | ||
55 | /* The tools prefix as relocated from the location of this program. */ | |
56 | ||
57 | static const char *self_tooldir_prefix; | |
58 | ||
59 | /* The name of the machine that is being targeted. */ | |
60 | ||
61 | static const char *const target_machine = DEFAULT_TARGET_MACHINE; | |
62 | ||
63 | /* The target version. */ | |
64 | ||
65 | static const char *const target_version = DEFAULT_TARGET_VERSION; | |
66 | ||
67 | /* The collection of target specific path prefixes. */ | |
68 | ||
69 | static struct path_prefix target_path; | |
70 | ||
71 | /* The collection path prefixes. */ | |
72 | ||
73 | static struct path_prefix path; | |
74 | ||
75 | /* The directory separator. */ | |
46215dc9 | 76 | |
77 | static const char dir_separator[] = { DIR_SEPARATOR, 0 }; | |
78 | ||
cdd7a5a4 | 79 | static void |
80 | setup_prefixes (const char *exec_path) | |
81 | { | |
82 | const char *self; | |
83 | ||
84 | self = getenv ("GCC_EXEC_PREFIX"); | |
85 | if (!self) | |
86 | self = exec_path; | |
87 | else | |
88 | self = concat (self, "gcc-" PERSONALITY, NULL); | |
89 | ||
90 | /* Relocate the exec prefix. */ | |
91 | self_exec_prefix = make_relative_prefix (self, | |
92 | standard_bin_prefix, | |
93 | standard_exec_prefix); | |
94 | if (self_exec_prefix == NULL) | |
95 | self_exec_prefix = standard_exec_prefix; | |
96 | ||
97 | /* Relocate libexec prefix. */ | |
98 | self_libexec_prefix = make_relative_prefix (self, | |
99 | standard_bin_prefix, | |
100 | standard_libexec_prefix); | |
101 | if (self_libexec_prefix == NULL) | |
102 | self_libexec_prefix = standard_libexec_prefix; | |
103 | ||
104 | ||
105 | /* Build the relative path to the target-specific tool directory. */ | |
106 | self_tooldir_prefix = concat (tooldir_base_prefix, target_machine, | |
107 | dir_separator, NULL); | |
108 | self_tooldir_prefix = concat (self_exec_prefix, target_machine, | |
109 | dir_separator, target_version, dir_separator, | |
110 | self_tooldir_prefix, NULL); | |
111 | ||
112 | /* Add the target-specific tool bin prefix. */ | |
113 | prefix_from_string (concat (self_tooldir_prefix, "bin", NULL), &target_path); | |
114 | ||
115 | /* Add the target-specific libexec prefix. */ | |
116 | self_libexec_prefix = concat (self_libexec_prefix, target_machine, | |
117 | dir_separator, target_version, | |
118 | dir_separator, NULL); | |
119 | prefix_from_string (self_libexec_prefix, &target_path); | |
120 | ||
121 | /* Add path as a last resort. */ | |
122 | prefix_from_env ("PATH", &path); | |
123 | } | |
124 | ||
46215dc9 | 125 | int |
9af5ce0c | 126 | main (int ac, char **av) |
46215dc9 | 127 | { |
46215dc9 | 128 | const char *exe_name; |
129 | char *plugin; | |
130 | int k, status, err; | |
131 | const char *err_msg; | |
132 | const char **nargv; | |
133 | bool is_ar = !strcmp (PERSONALITY, "ar"); | |
96f74cc8 | 134 | int exit_code = FATAL_EXIT_CODE; |
8de0b0d7 | 135 | int i; |
46215dc9 | 136 | |
cdd7a5a4 | 137 | setup_prefixes (av[0]); |
46215dc9 | 138 | |
8de0b0d7 | 139 | /* Not using getopt for now. */ |
140 | for (i = 0; i < ac; i++) | |
141 | if (!strncmp (av[i], "-B", 2)) | |
142 | { | |
143 | const char *arg = av[i] + 2; | |
144 | const char *end; | |
145 | size_t len; | |
146 | ||
147 | memmove (av + i, av + i + 1, sizeof (char *) * ((ac + 1) - i)); | |
148 | ac--; | |
149 | if (*arg == 0) | |
150 | { | |
151 | arg = av[i]; | |
152 | if (!arg) | |
153 | { | |
154 | fprintf (stderr, "Usage: gcc-ar [-B prefix] ar arguments ...\n"); | |
155 | exit (EXIT_FAILURE); | |
156 | } | |
157 | memmove (av + i, av + i + 1, sizeof (char *) * ((ac + 1) - i)); | |
158 | ac--; | |
159 | i++; | |
160 | } | |
161 | /* else it's a joined argument */ | |
162 | ||
163 | len = strlen (arg); | |
164 | if (len > 0) | |
165 | len--; | |
166 | end = arg + len; | |
167 | ||
168 | /* Always add a dir separator for the prefix list. */ | |
169 | if (end > arg && !IS_DIR_SEPARATOR (*end)) | |
170 | { | |
171 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; | |
172 | arg = concat (arg, dir_separator_str, NULL); | |
173 | } | |
174 | ||
175 | add_prefix_begin (&path, arg); | |
176 | add_prefix_begin (&target_path, arg); | |
177 | break; | |
178 | } | |
179 | ||
180 | ||
cdd7a5a4 | 181 | /* Find the GCC LTO plugin */ |
0dc1ebca | 182 | plugin = find_a_file (&target_path, LTOPLUGINSONAME, R_OK); |
cdd7a5a4 | 183 | if (!plugin) |
184 | { | |
185 | fprintf (stderr, "%s: Cannot find plugin '%s'\n", av[0], LTOPLUGINSONAME); | |
186 | exit (1); | |
187 | } | |
188 | ||
189 | /* Find the wrapped binutils program. */ | |
0dc1ebca | 190 | exe_name = find_a_file (&target_path, PERSONALITY, X_OK); |
cdd7a5a4 | 191 | if (!exe_name) |
46215dc9 | 192 | { |
a90c63ff | 193 | const char *real_exe_name = PERSONALITY; |
cdd7a5a4 | 194 | #ifdef CROSS_DIRECTORY_STRUCTURE |
a90c63ff | 195 | real_exe_name = concat (target_machine, "-", PERSONALITY, NULL); |
196 | #endif | |
0dc1ebca | 197 | exe_name = find_a_file (&path, real_exe_name, X_OK); |
cdd7a5a4 | 198 | if (!exe_name) |
199 | { | |
200 | fprintf (stderr, "%s: Cannot find binary '%s'\n", av[0], | |
a90c63ff | 201 | real_exe_name); |
cdd7a5a4 | 202 | exit (1); |
203 | } | |
46215dc9 | 204 | } |
205 | ||
206 | /* Create new command line with plugin */ | |
207 | nargv = XCNEWVEC (const char *, ac + 4); | |
208 | nargv[0] = exe_name; | |
209 | nargv[1] = "--plugin"; | |
210 | nargv[2] = plugin; | |
211 | if (is_ar && av[1] && av[1][0] != '-') | |
9af5ce0c | 212 | av[1] = concat ("-", av[1], NULL); |
46215dc9 | 213 | for (k = 1; k < ac; k++) |
214 | nargv[2 + k] = av[k]; | |
215 | nargv[2 + k] = NULL; | |
216 | ||
217 | /* Run utility */ | |
218 | /* ??? the const is misplaced in pex_one's argv? */ | |
219 | err_msg = pex_one (PEX_LAST|PEX_SEARCH, | |
220 | exe_name, | |
221 | CONST_CAST2 (char * const *, const char **, nargv), | |
9af5ce0c | 222 | concat ("gcc-", exe_name, NULL), |
46215dc9 | 223 | NULL,NULL, &status, &err); |
224 | if (err_msg) | |
9af5ce0c | 225 | fprintf (stderr, "Error running %s: %s\n", exe_name, err_msg); |
96f74cc8 | 226 | else if (status) |
227 | { | |
228 | if (WIFSIGNALED (status)) | |
229 | { | |
230 | int sig = WTERMSIG (status); | |
231 | fprintf (stderr, "%s terminated with signal %d [%s]%s\n", | |
9af5ce0c | 232 | exe_name, sig, strsignal (sig), |
233 | WCOREDUMP (status) ? ", core dumped" : ""); | |
96f74cc8 | 234 | } |
235 | else if (WIFEXITED (status)) | |
236 | exit_code = WEXITSTATUS (status); | |
237 | } | |
238 | else | |
239 | exit_code = SUCCESS_EXIT_CODE; | |
46215dc9 | 240 | |
96f74cc8 | 241 | return exit_code; |
46215dc9 | 242 | } |