Commit | Line | Data |
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68e94f4e IT |
1 | #include <stdio.h> |
2 | #include <sys/utsname.h> | |
3 | #include "common.h" | |
4 | #include "../util/debug.h" | |
5 | ||
6 | const char *const arm_triplets[] = { | |
7 | "arm-eabi-", | |
8 | "arm-linux-androideabi-", | |
9 | "arm-unknown-linux-", | |
10 | "arm-unknown-linux-gnu-", | |
11 | "arm-unknown-linux-gnueabi-", | |
12 | NULL | |
13 | }; | |
14 | ||
15 | const char *const powerpc_triplets[] = { | |
16 | "powerpc-unknown-linux-gnu-", | |
17 | "powerpc64-unknown-linux-gnu-", | |
18 | NULL | |
19 | }; | |
20 | ||
21 | const char *const s390_triplets[] = { | |
22 | "s390-ibm-linux-", | |
23 | NULL | |
24 | }; | |
25 | ||
26 | const char *const sh_triplets[] = { | |
27 | "sh-unknown-linux-gnu-", | |
28 | "sh64-unknown-linux-gnu-", | |
29 | NULL | |
30 | }; | |
31 | ||
32 | const char *const sparc_triplets[] = { | |
33 | "sparc-unknown-linux-gnu-", | |
34 | "sparc64-unknown-linux-gnu-", | |
35 | NULL | |
36 | }; | |
37 | ||
38 | const char *const x86_triplets[] = { | |
39 | "x86_64-pc-linux-gnu-", | |
40 | "x86_64-unknown-linux-gnu-", | |
41 | "i686-pc-linux-gnu-", | |
42 | "i586-pc-linux-gnu-", | |
43 | "i486-pc-linux-gnu-", | |
44 | "i386-pc-linux-gnu-", | |
45 | "i686-linux-android-", | |
46 | "i686-android-linux-", | |
47 | NULL | |
48 | }; | |
49 | ||
50 | const char *const mips_triplets[] = { | |
51 | "mips-unknown-linux-gnu-", | |
52 | "mipsel-linux-android-", | |
53 | NULL | |
54 | }; | |
55 | ||
56 | static bool lookup_path(char *name) | |
57 | { | |
58 | bool found = false; | |
59 | char *path, *tmp; | |
60 | char buf[PATH_MAX]; | |
61 | char *env = getenv("PATH"); | |
62 | ||
63 | if (!env) | |
64 | return false; | |
65 | ||
66 | env = strdup(env); | |
67 | if (!env) | |
68 | return false; | |
69 | ||
70 | path = strtok_r(env, ":", &tmp); | |
71 | while (path) { | |
72 | scnprintf(buf, sizeof(buf), "%s/%s", path, name); | |
73 | if (access(buf, F_OK) == 0) { | |
74 | found = true; | |
75 | break; | |
76 | } | |
77 | path = strtok_r(NULL, ":", &tmp); | |
78 | } | |
79 | free(env); | |
80 | return found; | |
81 | } | |
82 | ||
83 | static int lookup_triplets(const char *const *triplets, const char *name) | |
84 | { | |
85 | int i; | |
86 | char buf[PATH_MAX]; | |
87 | ||
88 | for (i = 0; triplets[i] != NULL; i++) { | |
89 | scnprintf(buf, sizeof(buf), "%s%s", triplets[i], name); | |
90 | if (lookup_path(buf)) | |
91 | return i; | |
92 | } | |
93 | return -1; | |
94 | } | |
95 | ||
48ed0ece NK |
96 | /* |
97 | * Return architecture name in a normalized form. | |
98 | * The conversion logic comes from the Makefile. | |
99 | */ | |
100 | static const char *normalize_arch(char *arch) | |
101 | { | |
102 | if (!strcmp(arch, "x86_64")) | |
103 | return "x86"; | |
104 | if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6') | |
105 | return "x86"; | |
106 | if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5)) | |
107 | return "sparc"; | |
108 | if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110")) | |
109 | return "arm"; | |
110 | if (!strncmp(arch, "s390", 4)) | |
111 | return "s390"; | |
112 | if (!strncmp(arch, "parisc", 6)) | |
113 | return "parisc"; | |
114 | if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3)) | |
115 | return "powerpc"; | |
116 | if (!strncmp(arch, "mips", 4)) | |
117 | return "mips"; | |
118 | if (!strncmp(arch, "sh", 2) && isdigit(arch[2])) | |
119 | return "sh"; | |
120 | ||
121 | return arch; | |
122 | } | |
123 | ||
68e94f4e IT |
124 | static int perf_session_env__lookup_binutils_path(struct perf_session_env *env, |
125 | const char *name, | |
126 | const char **path) | |
127 | { | |
128 | int idx; | |
48ed0ece | 129 | const char *arch, *cross_env; |
68e94f4e IT |
130 | struct utsname uts; |
131 | const char *const *path_list; | |
132 | char *buf = NULL; | |
133 | ||
48ed0ece NK |
134 | arch = normalize_arch(env->arch); |
135 | ||
68e94f4e IT |
136 | if (uname(&uts) < 0) |
137 | goto out; | |
138 | ||
139 | /* | |
140 | * We don't need to try to find objdump path for native system. | |
141 | * Just use default binutils path (e.g.: "objdump"). | |
142 | */ | |
48ed0ece | 143 | if (!strcmp(normalize_arch(uts.machine), arch)) |
68e94f4e IT |
144 | goto out; |
145 | ||
146 | cross_env = getenv("CROSS_COMPILE"); | |
147 | if (cross_env) { | |
148 | if (asprintf(&buf, "%s%s", cross_env, name) < 0) | |
149 | goto out_error; | |
150 | if (buf[0] == '/') { | |
151 | if (access(buf, F_OK) == 0) | |
152 | goto out; | |
153 | goto out_error; | |
154 | } | |
155 | if (lookup_path(buf)) | |
156 | goto out; | |
157 | free(buf); | |
158 | } | |
159 | ||
68e94f4e IT |
160 | if (!strcmp(arch, "arm")) |
161 | path_list = arm_triplets; | |
162 | else if (!strcmp(arch, "powerpc")) | |
163 | path_list = powerpc_triplets; | |
164 | else if (!strcmp(arch, "sh")) | |
165 | path_list = sh_triplets; | |
166 | else if (!strcmp(arch, "s390")) | |
167 | path_list = s390_triplets; | |
168 | else if (!strcmp(arch, "sparc")) | |
169 | path_list = sparc_triplets; | |
48ed0ece | 170 | else if (!strcmp(arch, "x86")) |
68e94f4e IT |
171 | path_list = x86_triplets; |
172 | else if (!strcmp(arch, "mips")) | |
173 | path_list = mips_triplets; | |
174 | else { | |
175 | ui__error("binutils for %s not supported.\n", arch); | |
176 | goto out_error; | |
177 | } | |
178 | ||
179 | idx = lookup_triplets(path_list, name); | |
180 | if (idx < 0) { | |
181 | ui__error("Please install %s for %s.\n" | |
182 | "You can add it to PATH, set CROSS_COMPILE or " | |
183 | "override the default using --%s.\n", | |
184 | name, arch, name); | |
185 | goto out_error; | |
186 | } | |
187 | ||
188 | if (asprintf(&buf, "%s%s", path_list[idx], name) < 0) | |
189 | goto out_error; | |
190 | ||
191 | out: | |
192 | *path = buf; | |
193 | return 0; | |
194 | out_error: | |
195 | free(buf); | |
196 | *path = NULL; | |
197 | return -1; | |
198 | } | |
199 | ||
200 | int perf_session_env__lookup_objdump(struct perf_session_env *env) | |
201 | { | |
202 | return perf_session_env__lookup_binutils_path(env, "objdump", | |
203 | &objdump_path); | |
204 | } |