ALOGE("execv(%s) failed: %s\n", PATCHOAT_BIN, strerror(errno));
}
-static void run_dex2oat(int zip_fd, int oat_fd, int vdex_fd, int image_fd,
+static void run_dex2oat(int zip_fd, int oat_fd, int input_vdex_fd, int output_vdex_fd, int image_fd,
const char* input_file_name, const char* output_file_name, int swap_fd,
const char *instruction_set, const char* compiler_filter, bool vm_safe_mode,
bool debuggable, bool post_bootcomplete, int profile_fd, const char* shared_libraries) {
char zip_fd_arg[strlen("--zip-fd=") + MAX_INT_LEN];
char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX];
- char vdex_fd_arg[strlen("--vdex-fd=") + MAX_INT_LEN];
+ char input_vdex_fd_arg[strlen("--input-vdex-fd=") + MAX_INT_LEN];
+ char output_vdex_fd_arg[strlen("--output-vdex-fd=") + MAX_INT_LEN];
char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN];
char oat_location_arg[strlen("--oat-location=") + PKG_PATH_MAX];
char instruction_set_arg[strlen("--instruction-set=") + MAX_INSTRUCTION_SET_LEN];
sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd);
sprintf(zip_location_arg, "--zip-location=%s", input_file_name);
- sprintf(vdex_fd_arg, "--vdex-fd=%d", vdex_fd);
+ sprintf(input_vdex_fd_arg, "--input-vdex-fd=%d", input_vdex_fd);
+ sprintf(output_vdex_fd_arg, "--output-vdex-fd=%d", output_vdex_fd);
sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd);
sprintf(oat_location_arg, "--oat-location=%s", output_file_name);
sprintf(instruction_set_arg, "--instruction-set=%s", instruction_set);
ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name);
- const char* argv[8 // program name, mandatory arguments and the final NULL
+ const char* argv[9 // program name, mandatory arguments and the final NULL
+ (have_dex2oat_isa_variant ? 1 : 0)
+ (have_dex2oat_isa_features ? 1 : 0)
+ (have_dex2oat_Xms_flag ? 2 : 0)
argv[i++] = DEX2OAT_BIN;
argv[i++] = zip_fd_arg;
argv[i++] = zip_location_arg;
- argv[i++] = vdex_fd_arg;
+ argv[i++] = input_vdex_fd_arg;
+ argv[i++] = output_vdex_fd_arg;
argv[i++] = oat_fd_arg;
argv[i++] = oat_location_arg;
argv[i++] = instruction_set_arg;
return true;
}
+static bool IsOutputDalvikCache(const char* oat_dir) {
+ // InstallerConnection.java (which invokes installd) transforms Java null arguments
+ // into '!'. Play it safe by handling it both.
+ // TODO: ensure we never get null.
+ // TODO: pass a flag instead of inferring if the output is dalvik cache.
+ return oat_dir == nullptr || oat_dir[0] == '!';
+}
+
static bool create_oat_out_path(const char* apk_path, const char* instruction_set,
const char* oat_dir, /*out*/ char* out_oat_path) {
// Early best-effort check whether we can fit the the path into our buffers.
return false;
}
- if (oat_dir != NULL && oat_dir[0] != '!') {
+ if (!IsOutputDalvikCache(oat_dir)) {
if (validate_apk_path(oat_dir)) {
- ALOGE("invalid oat_dir '%s'\n", oat_dir);
+ ALOGE("cannot validate apk path with oat_dir '%s'\n", oat_dir);
return false;
}
if (!calculate_oat_file_path(out_oat_path, oat_dir, apk_path, instruction_set)) {
return -1;
}
- // If invoking patchoat, open the VDEX associated with the OAT too.
- std::string in_vdex_path_str;
- base::unique_fd input_vdex_fd;
- if (dexopt_needed == DEXOPT_PATCHOAT_NEEDED
- || dexopt_needed == DEXOPT_SELF_PATCHOAT_NEEDED) {
- in_vdex_path_str = create_vdex_filename(input_file);
- if (in_vdex_path_str.empty()) {
- return -1;
- }
- input_vdex_fd.reset(open(in_vdex_path_str.c_str(), O_RDONLY, 0));
- if (input_vdex_fd.get() < 0) {
- ALOGE("installd cannot open '%s' for input during dexopt\n", in_vdex_path_str.c_str());
- return -1;
- }
- }
-
// Create the output OAT file.
const std::string out_oat_path_str(out_oat_path);
Dex2oatFileWrapper<std::function<void ()>> out_oat_fd(
return -1;
}
+ // Open the existing VDEX. We do this before creating the new output VDEX, which will
+ // unlink the old one.
+ base::unique_fd in_vdex_fd;
+ std::string in_vdex_path_str;
+ if (dexopt_needed == DEXOPT_PATCHOAT_NEEDED
+ || dexopt_needed == DEXOPT_SELF_PATCHOAT_NEEDED) {
+ // `input_file` is the OAT file to be relocated. The VDEX has to be there as well.
+ in_vdex_path_str = create_vdex_filename(input_file);
+ if (in_vdex_path_str.empty()) {
+ ALOGE("installd cannot compute input vdex location for '%s'\n", input_file);
+ return -1;
+ }
+ in_vdex_fd.reset(open(in_vdex_path_str.c_str(), O_RDONLY, 0));
+ if (in_vdex_fd.get() < 0) {
+ ALOGE("installd cannot open '%s' for input during dexopt: %s\n",
+ in_vdex_path_str.c_str(), strerror(errno));
+ return -1;
+ }
+ } else {
+ // Open the possibly existing vdex in the `out_oat_path`. If none exist, we pass -1
+ // to dex2oat for input-vdex-fd.
+ in_vdex_path_str = create_vdex_filename(out_oat_path);
+ if (in_vdex_path_str.empty()) {
+ ALOGE("installd cannot compute input vdex location for '%s'\n", out_oat_path);
+ return -1;
+ }
+ in_vdex_fd.reset(open(in_vdex_path_str.c_str(), O_RDONLY, 0));
+ // If there is no vdex file in out_oat_path, check if we have a vdex
+ // file next to the odex file. For other failures, we will just pass a -1 fd.
+ if (in_vdex_fd.get() < 0 && (errno == ENOENT) && IsOutputDalvikCache(oat_dir)) {
+ if (calculate_odex_file_path(in_odex_path, apk_path, instruction_set)) {
+ in_vdex_path_str = create_vdex_filename(std::string(in_odex_path));
+ if (in_vdex_path_str.empty()) {
+ ALOGE("installd cannot compute input vdex location for '%s'\n", in_odex_path);
+ return -1;
+ }
+ in_vdex_fd.reset(open(in_vdex_path_str.c_str(), O_RDONLY, 0));
+ }
+ }
+ }
+
// Infer the name of the output VDEX and create it.
const std::string out_vdex_path_str = create_vdex_filename(out_oat_path_str);
if (out_vdex_path_str.empty()) {
if (dexopt_needed == DEXOPT_PATCHOAT_NEEDED
|| dexopt_needed == DEXOPT_SELF_PATCHOAT_NEEDED) {
run_patchoat(input_fd.get(),
- input_vdex_fd.get(),
+ in_vdex_fd.get(),
out_oat_fd.get(),
out_vdex_fd.get(),
input_file,
const char *input_file_name = get_location_from_path(input_file);
run_dex2oat(input_fd.get(),
out_oat_fd.get(),
+ in_vdex_fd.get(),
out_vdex_fd.get(),
image_fd.get(),
input_file_name,