1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "linker.h"
30 #include "linker_globals.h"
31 #include "linker_namespaces.h"
32
33 #include "android-base/stringprintf.h"
34
35 int g_argc = 0;
36 char** g_argv = nullptr;
37 char** g_envp = nullptr;
38
39 android_namespace_t g_default_namespace;
40
41 std::unordered_map<uintptr_t, soinfo*> g_soinfo_handles_map;
42
43 platform_properties g_platform_properties;
44
45 static char __linker_dl_err_buf[768];
46
linker_get_error_buffer()47 char* linker_get_error_buffer() {
48 return &__linker_dl_err_buf[0];
49 }
50
linker_get_error_buffer_size()51 size_t linker_get_error_buffer_size() {
52 return sizeof(__linker_dl_err_buf);
53 }
54
DL_ERROR_AFTER(int target_sdk_version,const char * fmt,...)55 bool DL_ERROR_AFTER(int target_sdk_version, const char* fmt, ...) {
56 std::string result;
57 va_list ap;
58 va_start(ap, fmt);
59 android::base::StringAppendV(&result, fmt, ap);
60 va_end(ap);
61
62 if (get_application_target_sdk_version() < target_sdk_version) {
63 android::base::StringAppendF(&result,
64 " and will not work when the app moves to "
65 "targetSdkVersion %d or later "
66 "(see https://android.googlesource.com/platform/bionic/+/main/"
67 "android-changes-for-ndk-developers.md); "
68 "allowing for now because this app's "
69 "targetSdkVersion is still %d",
70 target_sdk_version,
71 get_application_target_sdk_version());
72 DL_WARN("Warning: %s", result.c_str());
73 return false;
74 }
75 DL_ERR_AND_LOG("%s", result.c_str());
76 return true;
77 }
78