static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused) { char filename[PATH_MAX]; u8 build_id[BUILD_ID_SIZE]; if (dso__build_id_filename(dso, filename, sizeof(filename), false) && filename__read_build_id(filename, build_id, sizeof(build_id)) != sizeof(build_id)) { if (errno == ENOENT) return false; pr_warning("Problems with %s file, consider removing it from the cache\n", filename); } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) { pr_warning("Problems with %s file, consider removing it from the cache\n", filename); } return true; }
int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, char *root_dir, char *filename, size_t size) { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; int ret = 0; size_t len; switch (type) { case DSO_BINARY_TYPE__DEBUGLINK: { char *debuglink; len = __symbol__join_symfs(filename, size, dso->long_name); debuglink = filename + len; while (debuglink != filename && *debuglink != '/') debuglink--; if (*debuglink == '/') debuglink++; ret = -1; if (!is_regular_file(filename)) break; ret = filename__read_debuglink(filename, debuglink, size - (debuglink - filename)); } break; case DSO_BINARY_TYPE__BUILD_ID_CACHE: /* skip the locally configured cache if a symfs is given */ if (symbol_conf.symfs[0] || (dso__build_id_filename(dso, filename, size) == NULL)) ret = -1; break; case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: len = __symbol__join_symfs(filename, size, "/usr/lib/debug"); snprintf(filename + len, size - len, "%s.debug", dso->long_name); break; case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: len = __symbol__join_symfs(filename, size, "/usr/lib/debug"); snprintf(filename + len, size - len, "%s", dso->long_name); break; case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO: { const char *last_slash; size_t dir_size; last_slash = dso->long_name + dso->long_name_len; while (last_slash != dso->long_name && *last_slash != '/') last_slash--; len = __symbol__join_symfs(filename, size, ""); dir_size = last_slash - dso->long_name + 2; if (dir_size > (size - len)) { ret = -1; break; } len += scnprintf(filename + len, dir_size, "%s", dso->long_name); len += scnprintf(filename + len , size - len, ".debug%s", last_slash); break; } case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: if (!dso->has_build_id) { ret = -1; break; } build_id__sprintf(dso->build_id, sizeof(dso->build_id), build_id_hex); len = __symbol__join_symfs(filename, size, "/usr/lib/debug/.build-id/"); snprintf(filename + len, size - len, "%.2s/%s.debug", build_id_hex, build_id_hex + 2); break; case DSO_BINARY_TYPE__VMLINUX: case DSO_BINARY_TYPE__GUEST_VMLINUX: case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: __symbol__join_symfs(filename, size, dso->long_name); break; case DSO_BINARY_TYPE__GUEST_KMODULE: case DSO_BINARY_TYPE__GUEST_KMODULE_COMP: path__join3(filename, size, symbol_conf.symfs, root_dir, dso->long_name); break; case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP: __symbol__join_symfs(filename, size, dso->long_name); break; case DSO_BINARY_TYPE__KCORE: case DSO_BINARY_TYPE__GUEST_KCORE: snprintf(filename, size, "%s", dso->long_name); break; default: case DSO_BINARY_TYPE__KALLSYMS: case DSO_BINARY_TYPE__GUEST_KALLSYMS: case DSO_BINARY_TYPE__JAVA_JIT: case DSO_BINARY_TYPE__NOT_FOUND: ret = -1; break; } return ret; }