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 | ||
c4d2df49 EH |
15 | const char *const arm64_triplets[] = { |
16 | "aarch64-linux-android-", | |
17 | NULL | |
18 | }; | |
19 | ||
68e94f4e IT |
20 | const char *const powerpc_triplets[] = { |
21 | "powerpc-unknown-linux-gnu-", | |
22 | "powerpc64-unknown-linux-gnu-", | |
23 | NULL | |
24 | }; | |
25 | ||
26 | const char *const s390_triplets[] = { | |
27 | "s390-ibm-linux-", | |
28 | NULL | |
29 | }; | |
30 | ||
31 | const char *const sh_triplets[] = { | |
32 | "sh-unknown-linux-gnu-", | |
33 | "sh64-unknown-linux-gnu-", | |
34 | NULL | |
35 | }; | |
36 | ||
37 | const char *const sparc_triplets[] = { | |
38 | "sparc-unknown-linux-gnu-", | |
39 | "sparc64-unknown-linux-gnu-", | |
40 | NULL | |
41 | }; | |
42 | ||
43 | const char *const x86_triplets[] = { | |
44 | "x86_64-pc-linux-gnu-", | |
45 | "x86_64-unknown-linux-gnu-", | |
46 | "i686-pc-linux-gnu-", | |
47 | "i586-pc-linux-gnu-", | |
48 | "i486-pc-linux-gnu-", | |
49 | "i386-pc-linux-gnu-", | |
50 | "i686-linux-android-", | |
51 | "i686-android-linux-", | |
52 | NULL | |
53 | }; | |
54 | ||
55 | const char *const mips_triplets[] = { | |
56 | "mips-unknown-linux-gnu-", | |
57 | "mipsel-linux-android-", | |
58 | NULL | |
59 | }; | |
60 | ||
61 | static bool lookup_path(char *name) | |
62 | { | |
63 | bool found = false; | |
5bcaaca3 | 64 | char *path, *tmp = NULL; |
68e94f4e IT |
65 | char buf[PATH_MAX]; |
66 | char *env = getenv("PATH"); | |
67 | ||
68 | if (!env) | |
69 | return false; | |
70 | ||
71 | env = strdup(env); | |
72 | if (!env) | |
73 | return false; | |
74 | ||
75 | path = strtok_r(env, ":", &tmp); | |
76 | while (path) { | |
77 | scnprintf(buf, sizeof(buf), "%s/%s", path, name); | |
78 | if (access(buf, F_OK) == 0) { | |
79 | found = true; | |
80 | break; | |
81 | } | |
82 | path = strtok_r(NULL, ":", &tmp); | |
83 | } | |
84 | free(env); | |
85 | return found; | |
86 | } | |
87 | ||
88 | static int lookup_triplets(const char *const *triplets, const char *name) | |
89 | { | |
90 | int i; | |
91 | char buf[PATH_MAX]; | |
92 | ||
93 | for (i = 0; triplets[i] != NULL; i++) { | |
94 | scnprintf(buf, sizeof(buf), "%s%s", triplets[i], name); | |
95 | if (lookup_path(buf)) | |
96 | return i; | |
97 | } | |
98 | return -1; | |
99 | } | |
100 | ||
48ed0ece NK |
101 | /* |
102 | * Return architecture name in a normalized form. | |
103 | * The conversion logic comes from the Makefile. | |
104 | */ | |
105 | static const char *normalize_arch(char *arch) | |
106 | { | |
107 | if (!strcmp(arch, "x86_64")) | |
108 | return "x86"; | |
109 | if (arch[0] == 'i' && arch[2] == '8' && arch[3] == '6') | |
110 | return "x86"; | |
111 | if (!strcmp(arch, "sun4u") || !strncmp(arch, "sparc", 5)) | |
112 | return "sparc"; | |
c4d2df49 EH |
113 | if (!strcmp(arch, "aarch64") || !strcmp(arch, "arm64")) |
114 | return "arm64"; | |
48ed0ece NK |
115 | if (!strncmp(arch, "arm", 3) || !strcmp(arch, "sa110")) |
116 | return "arm"; | |
117 | if (!strncmp(arch, "s390", 4)) | |
118 | return "s390"; | |
119 | if (!strncmp(arch, "parisc", 6)) | |
120 | return "parisc"; | |
121 | if (!strncmp(arch, "powerpc", 7) || !strncmp(arch, "ppc", 3)) | |
122 | return "powerpc"; | |
123 | if (!strncmp(arch, "mips", 4)) | |
124 | return "mips"; | |
125 | if (!strncmp(arch, "sh", 2) && isdigit(arch[2])) | |
126 | return "sh"; | |
127 | ||
128 | return arch; | |
129 | } | |
130 | ||
ce80d3be | 131 | static int perf_session_env__lookup_binutils_path(struct perf_env *env, |
68e94f4e IT |
132 | const char *name, |
133 | const char **path) | |
134 | { | |
135 | int idx; | |
48ed0ece | 136 | const char *arch, *cross_env; |
68e94f4e IT |
137 | struct utsname uts; |
138 | const char *const *path_list; | |
139 | char *buf = NULL; | |
140 | ||
48ed0ece NK |
141 | arch = normalize_arch(env->arch); |
142 | ||
68e94f4e IT |
143 | if (uname(&uts) < 0) |
144 | goto out; | |
145 | ||
146 | /* | |
147 | * We don't need to try to find objdump path for native system. | |
148 | * Just use default binutils path (e.g.: "objdump"). | |
149 | */ | |
48ed0ece | 150 | if (!strcmp(normalize_arch(uts.machine), arch)) |
68e94f4e IT |
151 | goto out; |
152 | ||
153 | cross_env = getenv("CROSS_COMPILE"); | |
154 | if (cross_env) { | |
155 | if (asprintf(&buf, "%s%s", cross_env, name) < 0) | |
156 | goto out_error; | |
157 | if (buf[0] == '/') { | |
158 | if (access(buf, F_OK) == 0) | |
159 | goto out; | |
160 | goto out_error; | |
161 | } | |
162 | if (lookup_path(buf)) | |
163 | goto out; | |
04662523 | 164 | zfree(&buf); |
68e94f4e IT |
165 | } |
166 | ||
68e94f4e IT |
167 | if (!strcmp(arch, "arm")) |
168 | path_list = arm_triplets; | |
c4d2df49 EH |
169 | else if (!strcmp(arch, "arm64")) |
170 | path_list = arm64_triplets; | |
68e94f4e IT |
171 | else if (!strcmp(arch, "powerpc")) |
172 | path_list = powerpc_triplets; | |
173 | else if (!strcmp(arch, "sh")) | |
174 | path_list = sh_triplets; | |
175 | else if (!strcmp(arch, "s390")) | |
176 | path_list = s390_triplets; | |
177 | else if (!strcmp(arch, "sparc")) | |
178 | path_list = sparc_triplets; | |
48ed0ece | 179 | else if (!strcmp(arch, "x86")) |
68e94f4e IT |
180 | path_list = x86_triplets; |
181 | else if (!strcmp(arch, "mips")) | |
182 | path_list = mips_triplets; | |
183 | else { | |
184 | ui__error("binutils for %s not supported.\n", arch); | |
185 | goto out_error; | |
186 | } | |
187 | ||
188 | idx = lookup_triplets(path_list, name); | |
189 | if (idx < 0) { | |
190 | ui__error("Please install %s for %s.\n" | |
191 | "You can add it to PATH, set CROSS_COMPILE or " | |
192 | "override the default using --%s.\n", | |
193 | name, arch, name); | |
194 | goto out_error; | |
195 | } | |
196 | ||
197 | if (asprintf(&buf, "%s%s", path_list[idx], name) < 0) | |
198 | goto out_error; | |
199 | ||
200 | out: | |
201 | *path = buf; | |
202 | return 0; | |
203 | out_error: | |
204 | free(buf); | |
205 | *path = NULL; | |
206 | return -1; | |
207 | } | |
208 | ||
ce80d3be | 209 | int perf_session_env__lookup_objdump(struct perf_env *env) |
68e94f4e | 210 | { |
ff6f7778 NK |
211 | /* |
212 | * For live mode, env->arch will be NULL and we can use | |
213 | * the native objdump tool. | |
214 | */ | |
215 | if (env->arch == NULL) | |
216 | return 0; | |
217 | ||
68e94f4e IT |
218 | return perf_session_env__lookup_binutils_path(env, "objdump", |
219 | &objdump_path); | |
220 | } |