Implement liblog_stub
Bug: 302723053
Test: build trusty in its own repo
Change-Id: I73950c5054f09467bdc2795034885fedc15ca709
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 90c9ff8..f1cc5f0 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -217,6 +217,7 @@
host_supported: true,
header_libs: [
+ "liblog_stub",
"trusty_mock_headers",
],
@@ -262,9 +263,6 @@
"trusty/TrustyStatus.cpp",
"trusty/socket.cpp",
],
- shared_libs: [
- "liblog",
- ],
}
cc_defaults {
diff --git a/libs/binder/liblog_stub/Android.bp b/libs/binder/liblog_stub/Android.bp
new file mode 100644
index 0000000..f2ca22f
--- /dev/null
+++ b/libs/binder/liblog_stub/Android.bp
@@ -0,0 +1,44 @@
+// Copyright (C) 2023 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "frameworks_native_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-Apache-2.0
+ default_applicable_licenses: ["frameworks_native_license"],
+}
+
+cc_library_headers {
+ name: "liblog_stub",
+ export_include_dirs: ["include"],
+
+ host_supported: true,
+ native_bridge_supported: true,
+ product_available: true,
+ recovery_available: true,
+ vendor_available: true,
+
+ target: {
+ windows: {
+ enabled: true,
+ },
+ },
+
+ visibility: [
+ "//frameworks/native/libs/binder:__subpackages__",
+ "//system/core/libutils/binder",
+ ],
+}
diff --git a/libs/binder/liblog_stub/include/android/log.h b/libs/binder/liblog_stub/include/android/log.h
new file mode 100644
index 0000000..9dcd926
--- /dev/null
+++ b/libs/binder/liblog_stub/include/android/log.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+extern "C" {
+
+/**
+ * Android log priority values, in increasing order of priority.
+ */
+typedef enum android_LogPriority {
+ /** For internal use only. */
+ ANDROID_LOG_UNKNOWN = 0,
+ /** The default priority, for internal use only. */
+ ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */
+ /** Verbose logging. Should typically be disabled for a release apk. */
+ ANDROID_LOG_VERBOSE,
+ /** Debug logging. Should typically be disabled for a release apk. */
+ ANDROID_LOG_DEBUG,
+ /** Informational logging. Should typically be disabled for a release apk. */
+ ANDROID_LOG_INFO,
+ /** Warning logging. For use with recoverable failures. */
+ ANDROID_LOG_WARN,
+ /** Error logging. For use with unrecoverable failures. */
+ ANDROID_LOG_ERROR,
+ /** Fatal logging. For use when aborting. */
+ ANDROID_LOG_FATAL,
+ /** For internal use only. */
+ ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */
+} android_LogPriority;
+
+typedef void (*__android_logger_function)(const struct __android_log_message* log_message);
+inline void __android_log_set_logger(__android_logger_function) {}
+inline void __android_log_stderr_logger(const struct __android_log_message*) {}
+
+} // extern "C"
diff --git a/libs/binder/liblog_stub/include/log/log.h b/libs/binder/liblog_stub/include/log/log.h
new file mode 100644
index 0000000..3b65607
--- /dev/null
+++ b/libs/binder/liblog_stub/include/log/log.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdio>
+#include <cstdlib>
+
+#include <android/log.h>
+
+extern "C" {
+
+#ifndef ANDROID_LOG_STUB_MIN_PRIORITY
+#define ANDROID_LOG_STUB_MIN_PRIORITY ANDROID_LOG_INFO
+#endif
+
+#ifndef LOG_TAG
+#define LOG_TAG ""
+#endif
+
+constexpr bool __android_log_stub_is_loggable(android_LogPriority priority) {
+ return ANDROID_LOG_STUB_MIN_PRIORITY <= priority;
+}
+
+int __android_log_print(int prio, const char* tag, const char* fmt, ...)
+ __attribute__((format(printf, 3, 4)))
+#ifdef ANDROID_LOG_STUB_WEAK_PRINT
+ __attribute__((weak))
+#endif
+ ;
+
+#define IF_ALOG(priority, tag) \
+ if (__android_log_stub_is_loggable(ANDROID_##priority) && __android_log_print)
+#define IF_ALOGV() IF_ALOG(LOG_VERBOSE, LOG_TAG)
+#define IF_ALOGD() IF_ALOG(LOG_DEBUG, LOG_TAG)
+#define IF_ALOGI() IF_ALOG(LOG_INFO, LOG_TAG)
+#define IF_ALOGW() IF_ALOG(LOG_WARN, LOG_TAG)
+#define IF_ALOGE() IF_ALOG(LOG_ERROR, LOG_TAG)
+
+#define ALOG(priority, tag, fmt, ...) \
+ do { \
+ if (false)[[/*VERY*/ unlikely]] { /* ignore unused __VA_ARGS__ */ \
+ std::fprintf(stderr, fmt __VA_OPT__(, ) __VA_ARGS__); \
+ } \
+ IF_ALOG(priority, tag) { \
+ __android_log_print(ANDROID_##priority, tag, \
+ tag ": " fmt "\n" __VA_OPT__(, ) __VA_ARGS__); \
+ } \
+ if constexpr (ANDROID_##priority == ANDROID_LOG_FATAL) std::abort(); \
+ } while (false)
+#define ALOGV(...) ALOG(LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
+#define ALOGD(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#define ALOGI(...) ALOG(LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGW(...) ALOG(LOG_WARN, LOG_TAG, __VA_ARGS__)
+#define ALOGE(...) ALOG(LOG_ERROR, LOG_TAG, __VA_ARGS__)
+#define LOG_FATAL(...) ALOG(LOG_FATAL, LOG_TAG, __VA_ARGS__)
+#define LOG_ALWAYS_FATAL LOG_FATAL
+
+#define ALOG_IF(cond, priority, tag, ...) \
+ if (cond) [[unlikely]] \
+ ALOG(priority, tag, #cond ": " __VA_ARGS__)
+#define ALOGV_IF(cond, ...) ALOG_IF(cond, LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
+#define ALOGD_IF(cond, ...) ALOG_IF(cond, LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#define ALOGI_IF(cond, ...) ALOG_IF(cond, LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define ALOGW_IF(cond, ...) ALOG_IF(cond, LOG_WARN, LOG_TAG, __VA_ARGS__)
+#define ALOGE_IF(cond, ...) ALOG_IF(cond, LOG_ERROR, LOG_TAG, __VA_ARGS__)
+#define LOG_FATAL_IF(cond, ...) ALOG_IF(cond, LOG_FATAL, LOG_TAG, __VA_ARGS__)
+#define LOG_ALWAYS_FATAL_IF LOG_FATAL_IF
+#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ##__VA_ARGS__)
+
+inline int android_errorWriteLog(int tag, const char* subTag) {
+ ALOGE("android_errorWriteLog(%x, %s)", tag, subTag);
+ return 0;
+}
+
+} // extern "C"
diff --git a/libs/binder/trusty/OS.cpp b/libs/binder/trusty/OS.cpp
index 99da1eb..9869bf3 100644
--- a/libs/binder/trusty/OS.cpp
+++ b/libs/binder/trusty/OS.cpp
@@ -22,10 +22,14 @@
#endif
#include <binder/RpcTransportTipcTrusty.h>
+#include <log/log.h>
+#include <trusty_log.h>
#include "../OS.h"
#include "TrustyStatus.h"
+#include <cstdarg>
+
using android::binder::borrowed_fd;
using android::binder::unique_fd;
@@ -87,3 +91,43 @@
}
} // namespace android::binder::os
+
+int __android_log_print(int prio [[maybe_unused]], const char* tag, const char* fmt, ...) {
+#ifdef TRUSTY_USERSPACE
+#define trusty_tlog _tlog
+#define trusty_vtlog _vtlog
+#else
+ // mapping taken from kernel trusty_log.h (TLOGx)
+ int kernelLogLevel;
+ if (prio <= ANDROID_LOG_DEBUG) {
+ kernelLogLevel = LK_DEBUGLEVEL_ALWAYS;
+ } else if (prio == ANDROID_LOG_INFO) {
+ kernelLogLevel = LK_DEBUGLEVEL_SPEW;
+ } else if (prio == ANDROID_LOG_WARN) {
+ kernelLogLevel = LK_DEBUGLEVEL_INFO;
+ } else if (prio == ANDROID_LOG_ERROR) {
+ kernelLogLevel = LK_DEBUGLEVEL_CRITICAL;
+ } else { /* prio >= ANDROID_LOG_FATAL */
+ kernelLogLevel = LK_DEBUGLEVEL_CRITICAL;
+ }
+#if LK_DEBUGLEVEL_NO_ALIASES
+ auto LK_DEBUGLEVEL_kernelLogLevel = kernelLogLevel;
+#endif
+
+#define trusty_tlog(...) _tlog(kernelLogLevel, __VA_ARGS__)
+#define trusty_vtlog(...) _vtlog(kernelLogLevel, __VA_ARGS__)
+#endif
+
+ va_list args;
+ va_start(args, fmt);
+ trusty_tlog((tag[0] == '\0') ? "libbinder" : "libbinder-");
+ trusty_vtlog(fmt, args);
+ va_end(args);
+
+ return 1;
+}
+
+// TODO(b/285204695): remove once trusty mock doesn't depend on libbase
+extern "C" int __android_log_buf_print(int, int, const char*, const char*, ...) {
+ return -ENOSYS;
+}
diff --git a/libs/binder/trusty/binderRpcTest/service/manifest.json b/libs/binder/trusty/binderRpcTest/service/manifest.json
index 1c4f7ee..d2a1fc0 100644
--- a/libs/binder/trusty/binderRpcTest/service/manifest.json
+++ b/libs/binder/trusty/binderRpcTest/service/manifest.json
@@ -2,7 +2,7 @@
"uuid": "87e424e5-69d7-4bbd-8b7c-7e24812cbc94",
"app_name": "binderRpcTestService",
"min_heap": 65536,
- "min_stack": 16384,
+ "min_stack": 20480,
"mgmt_flags": {
"restart_on_exit": true,
"non_critical_app": true
diff --git a/libs/binder/trusty/include/log/log.h b/libs/binder/trusty/include/log/log.h
deleted file mode 100644
index bf877a3..0000000
--- a/libs/binder/trusty/include/log/log.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#define BINDER_LOG_LEVEL_NONE 0
-#define BINDER_LOG_LEVEL_NORMAL 1
-#define BINDER_LOG_LEVEL_VERBOSE 2
-
-#ifndef BINDER_LOG_LEVEL
-#define BINDER_LOG_LEVEL BINDER_LOG_LEVEL_NORMAL
-#endif // BINDER_LOG_LEVEL
-
-#ifndef TLOG_TAG
-#ifdef LOG_TAG
-#define TLOG_TAG "libbinder-" LOG_TAG
-#else // LOG_TAG
-#define TLOG_TAG "libbinder"
-#endif // LOG_TAG
-#endif // TLOG_TAG
-
-#include <stdlib.h>
-#include <trusty_log.h>
-
-static inline void __ignore_va_args__(...) {}
-
-#if BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_NORMAL
-#define ALOGD(fmt, ...) TLOGD(fmt "\n", ##__VA_ARGS__)
-#define ALOGI(fmt, ...) TLOGI(fmt "\n", ##__VA_ARGS__)
-#define ALOGW(fmt, ...) TLOGW(fmt "\n", ##__VA_ARGS__)
-#define ALOGE(fmt, ...) TLOGE(fmt "\n", ##__VA_ARGS__)
-#else // BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_NORMAL
-#define ALOGD(fmt, ...) \
- while (0) { \
- __ignore_va_args__(__VA_ARGS__); \
- }
-#define ALOGI(fmt, ...) \
- while (0) { \
- __ignore_va_args__(__VA_ARGS__); \
- }
-#define ALOGW(fmt, ...) \
- while (0) { \
- __ignore_va_args__(__VA_ARGS__); \
- }
-#define ALOGE(fmt, ...) \
- while (0) { \
- __ignore_va_args__(__VA_ARGS__); \
- }
-#endif // BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_NORMAL
-
-#if BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_VERBOSE
-#define IF_ALOGV() if (TLOG_LVL >= TLOG_LVL_INFO)
-#define ALOGV(fmt, ...) TLOGI(fmt "\n", ##__VA_ARGS__)
-#else // BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_VERBOSE
-#define IF_ALOGV() if (false)
-#define ALOGV(fmt, ...) \
- while (0) { \
- __ignore_va_args__(__VA_ARGS__); \
- }
-#endif // BINDER_LOG_LEVEL >= BINDER_LOG_LEVEL_VERBOSE
-
-#define ALOGI_IF(cond, ...) \
- do { \
- if (cond) { \
- ALOGI(#cond ": " __VA_ARGS__); \
- } \
- } while (0)
-#define ALOGE_IF(cond, ...) \
- do { \
- if (cond) { \
- ALOGE(#cond ": " __VA_ARGS__); \
- } \
- } while (0)
-#define ALOGW_IF(cond, ...) \
- do { \
- if (cond) { \
- ALOGW(#cond ": " __VA_ARGS__); \
- } \
- } while (0)
-
-#define LOG_ALWAYS_FATAL(fmt, ...) \
- do { \
- TLOGE("libbinder fatal error: " fmt "\n", ##__VA_ARGS__); \
- abort(); \
- } while (0)
-#define LOG_ALWAYS_FATAL_IF(cond, ...) \
- do { \
- if (cond) { \
- LOG_ALWAYS_FATAL(#cond ": " __VA_ARGS__); \
- } \
- } while (0)
-#define LOG_FATAL(fmt, ...) \
- do { \
- TLOGE("libbinder fatal error: " fmt "\n", ##__VA_ARGS__); \
- abort(); \
- } while (0)
-#define LOG_FATAL_IF(cond, ...) \
- do { \
- if (cond) { \
- LOG_FATAL(#cond ": " __VA_ARGS__); \
- } \
- } while (0)
-
-#define ALOG_ASSERT(cond, ...) LOG_FATAL_IF(!(cond), ##__VA_ARGS__)
-
-#define android_errorWriteLog(tag, subTag) \
- do { \
- TLOGE("android_errorWriteLog: tag:%x subTag:%s\n", tag, subTag); \
- } while (0)
diff --git a/libs/binder/trusty/include_mock/trusty_log.h b/libs/binder/trusty/include_mock/trusty_log.h
index d51e752..9aa9031 100644
--- a/libs/binder/trusty/include_mock/trusty_log.h
+++ b/libs/binder/trusty/include_mock/trusty_log.h
@@ -24,3 +24,6 @@
#define TLOGW(fmt, ...) printf(fmt, ##__VA_ARGS__)
#define TLOGE(fmt, ...) printf(fmt, ##__VA_ARGS__)
#define TLOGC(fmt, ...) printf(fmt, ##__VA_ARGS__)
+
+#define _tlog(fmt, ...) printf(fmt, ##__VA_ARGS__)
+#define _vtlog(fmt, args) vprintf(fmt, args)
diff --git a/libs/binder/trusty/kernel/rules.mk b/libs/binder/trusty/kernel/rules.mk
index 2a13ead..788184d 100644
--- a/libs/binder/trusty/kernel/rules.mk
+++ b/libs/binder/trusty/kernel/rules.mk
@@ -20,6 +20,7 @@
LIBBINDER_DIR := frameworks/native/libs/binder
# TODO(b/302723053): remove libbase after aidl prebuilt gets updated to December release
LIBBASE_DIR := system/libbase
+LIBLOG_STUB_DIR := $(LIBBINDER_DIR)/liblog_stub
LIBUTILS_BINDER_DIR := system/core/libutils/binder
FMTLIB_DIR := external/fmtlib
@@ -53,6 +54,7 @@
GLOBAL_INCLUDES += \
$(LOCAL_DIR)/include \
$(LOCAL_DIR)/../include \
+ $(LIBLOG_STUB_DIR)/include \
$(LIBBINDER_DIR)/include \
$(LIBBINDER_DIR)/ndk/include_cpp \
$(LIBBASE_DIR)/include \
diff --git a/libs/binder/trusty/rules.mk b/libs/binder/trusty/rules.mk
index e2b386d..e0f821f 100644
--- a/libs/binder/trusty/rules.mk
+++ b/libs/binder/trusty/rules.mk
@@ -20,6 +20,7 @@
LIBBINDER_DIR := frameworks/native/libs/binder
# TODO(b/302723053): remove libbase after aidl prebuilt gets updated to December release
LIBBASE_DIR := system/libbase
+LIBLOG_STUB_DIR := $(LIBBINDER_DIR)/liblog_stub
LIBUTILS_BINDER_DIR := system/core/libutils/binder
FMTLIB_DIR := external/fmtlib
@@ -54,6 +55,7 @@
MODULE_EXPORT_INCLUDES += \
$(LOCAL_DIR)/include \
+ $(LIBLOG_STUB_DIR)/include \
$(LIBBINDER_DIR)/include \
$(LIBBASE_DIR)/include \
$(LIBUTILS_BINDER_DIR)/include \