]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - tools/perf/arch/common.c
2 #include <sys/utsname.h>
4 #include "../util/util.h"
5 #include "../util/debug.h"
7 #include "sane_ctype.h"
9 const char *const arm_triplets
[] = {
11 "arm-linux-androideabi-",
13 "arm-unknown-linux-gnu-",
14 "arm-unknown-linux-gnueabi-",
16 "arm-linux-gnueabihf-",
21 const char *const arm64_triplets
[] = {
22 "aarch64-linux-android-",
27 const char *const powerpc_triplets
[] = {
28 "powerpc-unknown-linux-gnu-",
30 "powerpc64-unknown-linux-gnu-",
31 "powerpc64-linux-gnu-",
32 "powerpc64le-linux-gnu-",
36 const char *const s390_triplets
[] = {
42 const char *const sh_triplets
[] = {
43 "sh-unknown-linux-gnu-",
44 "sh64-unknown-linux-gnu-",
50 const char *const sparc_triplets
[] = {
51 "sparc-unknown-linux-gnu-",
52 "sparc64-unknown-linux-gnu-",
57 const char *const x86_triplets
[] = {
58 "x86_64-pc-linux-gnu-",
59 "x86_64-unknown-linux-gnu-",
64 "i686-linux-android-",
65 "i686-android-linux-",
71 const char *const mips_triplets
[] = {
72 "mips-unknown-linux-gnu-",
73 "mipsel-linux-android-",
76 "mips64el-linux-gnuabi64-",
77 "mips64-linux-gnuabi64-",
82 static bool lookup_path(char *name
)
85 char *path
, *tmp
= NULL
;
87 char *env
= getenv("PATH");
96 path
= strtok_r(env
, ":", &tmp
);
98 scnprintf(buf
, sizeof(buf
), "%s/%s", path
, name
);
99 if (access(buf
, F_OK
) == 0) {
103 path
= strtok_r(NULL
, ":", &tmp
);
109 static int lookup_triplets(const char *const *triplets
, const char *name
)
114 for (i
= 0; triplets
[i
] != NULL
; i
++) {
115 scnprintf(buf
, sizeof(buf
), "%s%s", triplets
[i
], name
);
116 if (lookup_path(buf
))
123 * Return architecture name in a normalized form.
124 * The conversion logic comes from the Makefile.
126 const char *normalize_arch(char *arch
)
128 if (!strcmp(arch
, "x86_64"))
130 if (arch
[0] == 'i' && arch
[2] == '8' && arch
[3] == '6')
132 if (!strcmp(arch
, "sun4u") || !strncmp(arch
, "sparc", 5))
134 if (!strcmp(arch
, "aarch64") || !strcmp(arch
, "arm64"))
136 if (!strncmp(arch
, "arm", 3) || !strcmp(arch
, "sa110"))
138 if (!strncmp(arch
, "s390", 4))
140 if (!strncmp(arch
, "parisc", 6))
142 if (!strncmp(arch
, "powerpc", 7) || !strncmp(arch
, "ppc", 3))
144 if (!strncmp(arch
, "mips", 4))
146 if (!strncmp(arch
, "sh", 2) && isdigit(arch
[2]))
152 static int perf_env__lookup_binutils_path(struct perf_env
*env
,
153 const char *name
, const char **path
)
156 const char *arch
, *cross_env
;
158 const char *const *path_list
;
161 arch
= normalize_arch(env
->arch
);
167 * We don't need to try to find objdump path for native system.
168 * Just use default binutils path (e.g.: "objdump").
170 if (!strcmp(normalize_arch(uts
.machine
), arch
))
173 cross_env
= getenv("CROSS_COMPILE");
175 if (asprintf(&buf
, "%s%s", cross_env
, name
) < 0)
178 if (access(buf
, F_OK
) == 0)
182 if (lookup_path(buf
))
187 if (!strcmp(arch
, "arm"))
188 path_list
= arm_triplets
;
189 else if (!strcmp(arch
, "arm64"))
190 path_list
= arm64_triplets
;
191 else if (!strcmp(arch
, "powerpc"))
192 path_list
= powerpc_triplets
;
193 else if (!strcmp(arch
, "sh"))
194 path_list
= sh_triplets
;
195 else if (!strcmp(arch
, "s390"))
196 path_list
= s390_triplets
;
197 else if (!strcmp(arch
, "sparc"))
198 path_list
= sparc_triplets
;
199 else if (!strcmp(arch
, "x86"))
200 path_list
= x86_triplets
;
201 else if (!strcmp(arch
, "mips"))
202 path_list
= mips_triplets
;
204 ui__error("binutils for %s not supported.\n", arch
);
208 idx
= lookup_triplets(path_list
, name
);
210 ui__error("Please install %s for %s.\n"
211 "You can add it to PATH, set CROSS_COMPILE or "
212 "override the default using --%s.\n",
217 if (asprintf(&buf
, "%s%s", path_list
[idx
], name
) < 0)
229 int perf_env__lookup_objdump(struct perf_env
*env
)
232 * For live mode, env->arch will be NULL and we can use
233 * the native objdump tool.
235 if (env
->arch
== NULL
)
238 return perf_env__lookup_binutils_path(env
, "objdump", &objdump_path
);