1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include <android/log.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 // A variant of bar.cpp that also includes a large RELRO section. 10 // Used to test RELRO sharing with two different libraries at the 11 // same time. 12 13 // This is a large table that contains pointers to ensure that it 14 // gets put inside the RELRO section. 15 #define LINE "another example string", 16 #define LINE8 LINE LINE LINE LINE LINE LINE LINE LINE 17 #define LINE64 LINE8 LINE8 LINE8 LINE8 LINE8 LINE8 LINE8 LINE8 18 #define LINE512 LINE64 LINE64 LINE64 LINE64 LINE64 LINE64 LINE64 LINE64 19 #define LINE4096 LINE512 LINE512 LINE512 LINE512 LINE512 LINE512 LINE512 LINE512 20 21 const char* const kStrings[] = {LINE4096 LINE4096 LINE4096 LINE4096}; 22 23 extern "C" void Foo(); 24 25 extern "C" void Bar() { 26 printf("%s: Entering\n", __FUNCTION__); 27 __android_log_print(ANDROID_LOG_INFO, "bar", "Hi There!"); 28 fprintf(stderr, "Hi There! from Bar\n"); 29 30 for (size_t n = 0; n < sizeof(kStrings) / sizeof(kStrings[0]); ++n) { 31 const char* ptr = kStrings[n]; 32 if (strcmp(ptr, "another example string")) { 33 printf("%s: Bad string at offset=%zu\n", __FUNCTION__, n); 34 exit(1); 35 } 36 } 37 38 printf("%s: Calling Foo()\n", __FUNCTION__); 39 Foo(); 40 41 printf("%s: Exiting\n", __FUNCTION__); 42 } 43
