+ if (interp_off) lib->name = (char *)app->base + interp_off;
+ app->name = argv[0];
+ app->dynv = (void *)(app->base + find_dyn(
+ (void *)aux[AT_PHDR], aux[AT_PHNUM], aux[AT_PHENT]));
+ find_map_range((void *)aux[AT_PHDR],
+ aux[AT_PHNUM], aux[AT_PHENT], app);
+ } else {
+ int fd;
+ char *ldname = argv[0];
+ size_t dyno, l = strlen(ldname);
+ if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1;
+ *argv++ = (void *)-1;
+ if (argv[0] && !strcmp(argv[0], "--")) *argv++ = (void *)-1;
+ if (!argv[0]) {
+ dprintf(2, "musl libc/dynamic program loader\n");
+ dprintf(2, "usage: %s pathname%s\n", ldname,
+ ldd_mode ? "" : " [args]");
+ _exit(1);
+ }
+ fd = open(argv[0], O_RDONLY);
+ if (fd < 0) {
+ dprintf(2, "%s: cannot load %s: %s\n", ldname, argv[0], strerror(errno));
+ _exit(1);
+ }
+ runtime = 1;
+ ehdr = (void *)map_library(fd, &app->map_len, &app->base, &dyno);
+ if (!ehdr) {
+ dprintf(2, "%s: %s: Not a valid dynamic program\n", ldname, argv[0]);
+ _exit(1);
+ }
+ runtime = 0;
+ close(fd);
+ lib->name = ldname;
+ app->name = argv[0];
+ app->dynv = (void *)(app->base + dyno);
+ aux[AT_ENTRY] = ehdr->e_entry;
+ }
+ app->global = 1;
+ app->constructed = 1;
+ decode_dyn(app);
+
+ /* Attach to vdso, if provided by the kernel */
+ if (search_vec(auxv, &vdso_base, AT_SYSINFO_EHDR)) {
+ ehdr = (void *)vdso_base;
+ phdr = (void *)(vdso_base + ehdr->e_phoff);
+ for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) {
+ if (phdr->p_type == PT_DYNAMIC)
+ vdso->dynv = (void *)(vdso_base + phdr->p_offset);
+ if (phdr->p_type == PT_LOAD)
+ vdso->base = (void *)(vdso_base - phdr->p_vaddr + phdr->p_offset);
+ }
+ vdso->name = vdso->shortname = "linux-gate.so.1";
+ vdso->global = 1;
+ decode_dyn(vdso);
+ vdso->prev = lib;
+ lib->next = vdso;