Support compiling against lower SDK
Reduce even more size for static binaries
This commit is contained in:
topjohnwu
parent
7779c3e372
commit
1affb91f17
47
build.py
47
build.py
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@ -114,7 +114,7 @@ def build_binary(args):
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if 'magisk' in targets:
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# Magisk is special case as it is a dependency of magiskinit
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proc = subprocess.run('{} -C native {} B_MAGISK=1 -j{}'.format(ndk_build, base_flags, cpu_count), shell=True)
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proc = subprocess.run('{} -C native {} B_MAGISK=1 -j{}'.format(ndk_build, base_flags, cpu_count), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build Magisk binary failed!')
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collect_binary()
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@ -126,15 +126,6 @@ def build_binary(args):
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flags += ' B_BXZ=1'
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old_platform = True
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if old_platform:
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proc = subprocess.run('{} -C native OLD_PLAT=1 {} -j{}'.format(ndk_build, flags, cpu_count), shell=True)
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if proc.returncode != 0:
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error('Build binaries failed!')
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collect_binary()
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other = False
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flags = base_flags
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if 'magiskinit' in targets:
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for arch in archs:
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bin_file = os.path.join('native', 'out', arch, 'magisk')
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@ -153,18 +144,27 @@ def build_binary(args):
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xz_dump(src, out, 'manager_xz')
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flags += ' B_INIT=1'
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other = True
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old_platform = True
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if 'magiskboot' in targets:
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flags += ' B_BOOT=1'
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other = True
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old_platform = True
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if old_platform:
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proc = subprocess.run('{} -C native OLD_PLAT=1 {} -j{}'.format(ndk_build, flags, cpu_count), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build binaries failed!')
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collect_binary()
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other = False
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flags = base_flags
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if 'busybox' in targets:
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flags += ' B_BB=1'
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other = True
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if other:
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proc = subprocess.run('{} -C native {} -j{}'.format(ndk_build, flags, cpu_count), shell=True)
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proc = subprocess.run('{} -C native {} -j{}'.format(ndk_build, flags, cpu_count), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build binaries failed!')
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collect_binary()
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@ -203,7 +203,7 @@ def build_apk(args):
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if not os.path.exists('release-key.jks'):
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error('Please generate a java keystore and place it in \'release-key.jks\'')
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proc = subprocess.run('{} app:assembleRelease'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True)
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proc = subprocess.run('{} app:assembleRelease'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build Magisk Manager failed!')
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@ -219,7 +219,7 @@ def build_apk(args):
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header('Output: ' + release)
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rm(unsigned)
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else:
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proc = subprocess.run('{} app:assembleDebug'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True)
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proc = subprocess.run('{} app:assembleDebug'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build Magisk Manager failed!')
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@ -234,7 +234,7 @@ def build_apk(args):
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header('Output: ' + target)
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def build_snet(args):
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proc = subprocess.run('{} snet:assembleRelease'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True)
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proc = subprocess.run('{} snet:assembleRelease'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build snet extention failed!')
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source = os.path.join('snet', 'build', 'outputs', 'apk', 'release', 'snet-release-unsigned.apk')
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@ -390,7 +390,7 @@ def sign_adjust_zip(unsigned, output):
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if not os.path.exists(jarsigner):
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header('* Building ' + signer_name)
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proc = subprocess.run('{} utils:shadowJar'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True)
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proc = subprocess.run('{} utils:shadowJar'.format(os.path.join('.', 'gradlew.bat' if os.name == 'nt' else 'gradlew')), shell=True, stdout=STDOUT)
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if proc.returncode != 0:
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error('Build {} failed!'.format(signer_name))
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@ -408,12 +408,12 @@ def cleanup(args):
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if 'native' in args.target:
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header('* Cleaning native')
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subprocess.run(ndk_build + ' -C native B_MAGISK=1 B_INIT=1 B_BOOT=1 B_BXZ=1 B_BB=1 clean', shell=True)
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subprocess.run(ndk_build + ' -C native B_MAGISK=1 B_INIT=1 B_BOOT=1 B_BXZ=1 B_BB=1 clean', shell=True, stdout=STDOUT)
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shutil.rmtree(os.path.join('native', 'out'), ignore_errors=True)
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if 'java' in args.target:
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header('* Cleaning java')
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subprocess.run('{} app:clean snet:clean utils:clean'.format(os.path.join('.', 'gradlew')), shell=True)
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subprocess.run('{} app:clean snet:clean utils:clean'.format(os.path.join('.', 'gradlew')), shell=True, stdout=STDOUT)
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def parse_config():
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c = {}
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@ -446,13 +446,14 @@ def parse_config():
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config = parse_config()
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parser = argparse.ArgumentParser(description='Magisk build script')
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parser.add_argument('--release', action='store_true', help='compile Magisk for release')
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parser.add_argument('-r', '--release', action='store_true', help='compile Magisk for release')
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parser.add_argument('-v', '--verbose', action='store_true', help='verbose output')
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subparsers = parser.add_subparsers(title='actions')
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all_parser = subparsers.add_parser('all', help='build everything (binaries/apks/zips)')
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all_parser.set_defaults(func=build_all)
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binary_parser = subparsers.add_parser('binary', help='build binaries. target: magisk magiskinit magiskboot busybox b64xz')
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binary_parser = subparsers.add_parser('binary', help='build binaries. Target: magisk magiskinit magiskboot busybox b64xz')
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binary_parser.add_argument('target', nargs='*')
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binary_parser.set_defaults(func=build_binary)
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@ -468,7 +469,7 @@ zip_parser.set_defaults(func=zip_main)
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uninstaller_parser = subparsers.add_parser('uninstaller', help='create flashable uninstaller')
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uninstaller_parser.set_defaults(func=zip_uninstaller)
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clean_parser = subparsers.add_parser('clean', help='cleanup. target: binary java zip')
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clean_parser = subparsers.add_parser('clean', help='cleanup. Target: native java')
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clean_parser.add_argument('target', nargs='*')
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clean_parser.set_defaults(func=cleanup)
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@ -477,5 +478,5 @@ if len(sys.argv) == 1:
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sys.exit(1)
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args = parser.parse_args()
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STDOUT = None if args.verbose else subprocess.DEVNULL
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args.func(args)
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@ -4,7 +4,8 @@ APP_CFLAGS := -std=gnu99 ${MAGISK_DEBUG} \
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APP_CPPFLAGS := -std=c++11
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APP_SHORT_COMMANDS := true
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ifdef OLD_PLAT
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APP_PLATFORM := android-9
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APP_PLATFORM := android-16
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APP_CFLAGS += -Wno-implicit-function-declaration
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else
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APP_PLATFORM := android-21
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endif
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@ -579,7 +579,7 @@ void startup() {
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while((entry = xreaddir(dir))) {
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if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) continue;
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snprintf(buf, PATH_MAX, "/root/%s", entry->d_name);
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symlinkat(buf, sbin, entry->d_name);
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xsymlinkat(buf, sbin, entry->d_name);
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}
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close(sbin);
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@ -382,9 +382,9 @@ int main(int argc, char *argv[]) {
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mknod("/null", S_IFCHR | 0666, makedev(1, 3));
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int null = open("/null", O_RDWR | O_CLOEXEC);
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unlink("/null");
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dup3(null, STDIN_FILENO, O_CLOEXEC);
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dup3(null, STDOUT_FILENO, O_CLOEXEC);
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dup3(null, STDERR_FILENO, O_CLOEXEC);
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xdup3(null, STDIN_FILENO, O_CLOEXEC);
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xdup3(null, STDOUT_FILENO, O_CLOEXEC);
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xdup3(null, STDERR_FILENO, O_CLOEXEC);
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if (null > STDERR_FILENO)
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close(null);
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@ -19,6 +19,13 @@
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// xwrap.c
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#ifndef SOCK_CLOEXEC
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#define SOCK_CLOEXEC O_CLOEXEC
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#endif
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#ifndef SOCK_NONBLOCK
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#define SOCK_NONBLOCK O_NONBLOCK
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#endif
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FILE *xfopen(const char *pathname, const char *mode);
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FILE *xfdopen(int fd, const char *mode);
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#define GET_MACRO(_1, _2, _3, NAME, ...) NAME
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@ -51,9 +58,12 @@ int xsocketpair(int domain, int type, int protocol, int sv[2]);
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int xstat(const char *pathname, struct stat *buf);
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int xlstat(const char *pathname, struct stat *buf);
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int xdup2(int oldfd, int newfd);
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int xdup3(int oldfd, int newfd, int flags);
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ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz);
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ssize_t xreadlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz);
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int xsymlink(const char *target, const char *linkpath);
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int xsymlinkat(const char *target, int newdirfd, const char *linkpath);
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int xlinkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags);
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int xmount(const char *source, const char *target,
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const char *filesystemtype, unsigned long mountflags,
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const void *data);
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@ -105,7 +115,6 @@ struct file_attr {
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char con[128];
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};
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int fd_getpath(int fd, char *path, size_t size);
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int mkdirs(const char *pathname, mode_t mode);
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void in_order_walk(int dirfd, void (*callback)(int, struct dirent*));
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void rm_rf(const char *path);
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@ -28,11 +28,16 @@ static int is_excl(const char *name) {
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return 0;
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}
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int fd_getpath(int fd, char *path, size_t size) {
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static int fd_getpath(int fd, char *path, size_t size) {
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snprintf(path, size, "/proc/self/fd/%d", fd);
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if (xreadlink(path, path, size) == -1)
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return -1;
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return 0;
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return xreadlink(path, path, size) == -1;
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}
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static int fd_getpathat(int dirfd, const char *name, char *path, size_t size) {
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if (fd_getpath(dirfd, path, size))
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return 1;
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snprintf(path, size, "%s/%s", path, name);
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return 0;
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}
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int mkdirs(const char *pathname, mode_t mode) {
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@ -220,7 +225,7 @@ void clone_dir(int src, int dest) {
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break;
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case DT_LNK:
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xreadlinkat(src, entry->d_name, buf, sizeof(buf));
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symlinkat(buf, dest, entry->d_name);
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xsymlinkat(buf, dest, entry->d_name);
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setattrat(dest, entry->d_name, &a);
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break;
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}
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@ -249,7 +254,7 @@ void link_dir(int src, int dest) {
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close(newsrc);
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close(newdest);
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} else {
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linkat(src, entry->d_name, dest, entry->d_name, 0);
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xlinkat(src, entry->d_name, dest, entry->d_name, 0);
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}
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}
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}
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@ -270,12 +275,9 @@ int getattr(const char *path, struct file_attr *a) {
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}
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int getattrat(int dirfd, const char *pathname, struct file_attr *a) {
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int fd = xopenat(dirfd, pathname, O_PATH | O_NOFOLLOW | O_CLOEXEC);
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if (fd < 0)
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return -1;
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int ret = fgetattr(fd, a);
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close(fd);
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return ret;
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char path[PATH_MAX];
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fd_getpathat(dirfd, pathname, path, sizeof(path));
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return getattr(path, a);
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}
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int fgetattr(int fd, struct file_attr *a) {
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@ -304,12 +306,9 @@ int setattr(const char *path, struct file_attr *a) {
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}
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int setattrat(int dirfd, const char *pathname, struct file_attr *a) {
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int fd = xopenat(dirfd, pathname, O_PATH | O_NOFOLLOW | O_CLOEXEC);
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if (fd < 0)
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return -1;
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int ret = fsetattr(fd, a);
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close(fd);
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return ret;
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char path[PATH_MAX];
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fd_getpathat(dirfd, pathname, path, sizeof(path));
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return setattr(path, a);
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}
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int fsetattr(int fd, struct file_attr *a) {
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@ -8,7 +8,7 @@
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#include <sys/wait.h>
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#include <sys/mount.h>
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#include <sys/sendfile.h>
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#include <sys/statvfs.h>
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#include <sys/statfs.h>
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#include <sys/sysmacros.h>
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#include <linux/loop.h>
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@ -70,12 +70,12 @@ static char *loopsetup(const char *img) {
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static void check_filesystem(struct fs_info *info, const char *img, const char *mount) {
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struct stat st;
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struct statvfs vfs;
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struct statfs fs;
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stat(img, &st);
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statvfs(mount, &vfs);
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statfs(mount, &fs);
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info->size = st.st_size / 1048576;
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info->free = vfs.f_bfree * vfs.f_frsize / 1048576;
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info->used = (vfs.f_blocks - vfs.f_bfree) * vfs.f_frsize / 1048576;
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info->free = fs.f_bfree * (uint64_t)fs.f_frsize / 1048576;
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info->used = (fs.f_blocks - fs.f_bfree) * (uint64_t)fs.f_frsize / 1048576;
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}
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static void usage() {
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@ -21,6 +21,7 @@
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#include <sys/mount.h>
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#include <sys/mman.h>
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#include <sys/sendfile.h>
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#include <sys/syscall.h>
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#include "logging.h"
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#include "utils.h"
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@ -100,7 +101,7 @@ int xpipe2(int pipefd[2], int flags) {
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}
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int xsetns(int fd, int nstype) {
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int ret = setns(fd, nstype);
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int ret = (int) syscall(__NR_setns, fd, nstype);
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if (ret == -1) {
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PLOGE("setns");
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}
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@ -165,9 +166,14 @@ int xlisten(int sockfd, int backlog) {
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}
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int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) {
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int fd = accept4(sockfd, addr, addrlen, flags);
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#ifndef __NR_accept4
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#ifdef __i386__
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#define __NR_accept4 364
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#endif
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#endif
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int fd = (int) syscall(__NR_accept4, sockfd, addr, addrlen, flags);
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if (fd == -1) {
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PLOGE("accept");
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PLOGE("accept4");
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}
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return fd;
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}
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@ -212,8 +218,8 @@ ssize_t xrecvmsg(int sockfd, struct msghdr *msg, int flags) {
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return rec;
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}
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int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg) {
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int xpthread_create(pthread_t *thread, const pthread_attr_t *attr,
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void *(*start_routine) (void *), void *arg) {
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errno = pthread_create(thread, attr, start_routine, arg);
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if (errno) {
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PLOGE("pthread_create");
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@ -245,6 +251,14 @@ int xdup2(int oldfd, int newfd) {
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return ret;
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}
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int xdup3(int oldfd, int newfd, int flags) {
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int ret = (int) syscall(__NR_dup3, oldfd, newfd, flags);
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if (ret == -1) {
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PLOGE("dup3");
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}
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return ret;
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}
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ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz) {
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ssize_t ret = readlink(pathname, buf, bufsiz);
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if (ret == -1) {
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@ -256,7 +270,7 @@ ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz) {
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}
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ssize_t xreadlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz) {
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ssize_t ret = readlinkat(dirfd, pathname, buf, bufsiz);
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ssize_t ret = syscall(__NR_readlinkat, dirfd, pathname, buf, bufsiz);
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if (ret == -1) {
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PLOGE("readlinkat %s", pathname);
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} else {
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@ -273,10 +287,26 @@ int xsymlink(const char *target, const char *linkpath) {
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return ret;
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}
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||||
|
||||
int xsymlinkat(const char *target, int newdirfd, const char *linkpath) {
|
||||
int ret = (int) syscall(__NR_symlinkat, target, newdirfd, linkpath);
|
||||
if (ret == -1) {
|
||||
PLOGE("symlinkat %s->%s", target, linkpath);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int xlinkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags) {
|
||||
int ret = (int) syscall(__NR_linkat, olddirfd, oldpath, newdirfd, newpath, flags);
|
||||
if (ret == -1) {
|
||||
PLOGE("linkat %s->%s", oldpath, newpath);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int xmount(const char *source, const char *target,
|
||||
const char *filesystemtype, unsigned long mountflags,
|
||||
const void *data) {
|
||||
int ret = mount(source, target, filesystemtype, MS_SILENT | mountflags, data);
|
||||
int ret = mount(source, target, filesystemtype, mountflags, data);
|
||||
if (ret == -1) {
|
||||
PLOGE("mount %s->%s", source, target);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user