2 #include <sys/utsname.h>
4 #include "../util/debug.h"
6 const char *const arm_triplets[] = {
8 "arm-linux-androideabi-",
10 "arm-unknown-linux-gnu-",
11 "arm-unknown-linux-gnueabi-",
15 const char *const powerpc_triplets[] = {
16 "powerpc-unknown-linux-gnu-",
17 "powerpc64-unknown-linux-gnu-",
21 const char *const s390_triplets[] = {
26 const char *const sh_triplets[] = {
27 "sh-unknown-linux-gnu-",
28 "sh64-unknown-linux-gnu-",
32 const char *const sparc_triplets[] = {
33 "sparc-unknown-linux-gnu-",
34 "sparc64-unknown-linux-gnu-",
38 const char *const x86_triplets[] = {
39 "x86_64-pc-linux-gnu-",
40 "x86_64-unknown-linux-gnu-",
45 "i686-linux-android-",
46 "i686-android-linux-",
50 const char *const mips_triplets[] = {
51 "mips-unknown-linux-gnu-",
52 "mipsel-linux-android-",
56 static bool lookup_path(char *name)
61 char *env = getenv("PATH");
70 path = strtok_r(env, ":", &tmp);
72 scnprintf(buf, sizeof(buf), "%s/%s", path, name);
73 if (access(buf, F_OK) == 0) {
77 path = strtok_r(NULL, ":", &tmp);
83 static int lookup_triplets(const char *const *triplets, const char *name)
88 for (i = 0; triplets[i] != NULL; i++) {
89 scnprintf(buf, sizeof(buf), "%s%s", triplets[i], name);
96 static int perf_session_env__lookup_binutils_path(struct perf_session_env *env,
101 char *arch, *cross_env;
103 const char *const *path_list;
110 * We don't need to try to find objdump path for native system.
111 * Just use default binutils path (e.g.: "objdump").
113 if (!strcmp(uts.machine, env->arch))
116 cross_env = getenv("CROSS_COMPILE");
118 if (asprintf(&buf, "%s%s", cross_env, name) < 0)
121 if (access(buf, F_OK) == 0)
125 if (lookup_path(buf))
132 if (!strcmp(arch, "arm"))
133 path_list = arm_triplets;
134 else if (!strcmp(arch, "powerpc"))
135 path_list = powerpc_triplets;
136 else if (!strcmp(arch, "sh"))
137 path_list = sh_triplets;
138 else if (!strcmp(arch, "s390"))
139 path_list = s390_triplets;
140 else if (!strcmp(arch, "sparc"))
141 path_list = sparc_triplets;
142 else if (!strcmp(arch, "x86") || !strcmp(arch, "i386") ||
143 !strcmp(arch, "i486") || !strcmp(arch, "i586") ||
144 !strcmp(arch, "i686"))
145 path_list = x86_triplets;
146 else if (!strcmp(arch, "mips"))
147 path_list = mips_triplets;
149 ui__error("binutils for %s not supported.\n", arch);
153 idx = lookup_triplets(path_list, name);
155 ui__error("Please install %s for %s.\n"
156 "You can add it to PATH, set CROSS_COMPILE or "
157 "override the default using --%s.\n",
162 if (asprintf(&buf, "%s%s", path_list[idx], name) < 0)
174 int perf_session_env__lookup_objdump(struct perf_session_env *env)
176 return perf_session_env__lookup_binutils_path(env, "objdump",