1 //===-- wrappers_c_bionic.cpp -----------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "platform.h" 10 11 // This is only used when compiled as part of Bionic. 12 #if SCUDO_ANDROID && _BIONIC 13 14 #include "allocator_config.h" 15 #include "wrappers_c.h" 16 #include "wrappers_c_checks.h" 17 18 #include <stdint.h> 19 #include <stdio.h> 20 21 // Regular MallocDispatch definitions. 22 #define SCUDO_PREFIX(name) CONCATENATE(scudo_, name) 23 #define SCUDO_ALLOCATOR Allocator 24 25 extern "C" void SCUDO_PREFIX(malloc_postinit)(); 26 static scudo::Allocator<scudo::AndroidConfig, SCUDO_PREFIX(malloc_postinit)> 27 SCUDO_ALLOCATOR; 28 29 #include "wrappers_c.inc" 30 31 #undef SCUDO_ALLOCATOR 32 #undef SCUDO_PREFIX 33 34 // Svelte MallocDispatch definitions. 35 #define SCUDO_PREFIX(name) CONCATENATE(scudo_svelte_, name) 36 #define SCUDO_ALLOCATOR SvelteAllocator 37 38 extern "C" void SCUDO_PREFIX(malloc_postinit)(); 39 static scudo::Allocator<scudo::AndroidSvelteConfig, 40 SCUDO_PREFIX(malloc_postinit)> 41 SCUDO_ALLOCATOR; 42 43 #include "wrappers_c.inc" 44 45 #undef SCUDO_ALLOCATOR 46 #undef SCUDO_PREFIX 47 48 // TODO(kostyak): support both allocators. 49 INTERFACE void __scudo_print_stats(void) { Allocator.printStats(); } 50 51 INTERFACE void __scudo_get_error_info( 52 struct scudo_error_info *error_info, uintptr_t fault_addr, 53 const char *stack_depot, const char *region_info, const char *memory, 54 const char *memory_tags, uintptr_t memory_addr, size_t memory_size) { 55 Allocator.getErrorInfo(error_info, fault_addr, stack_depot, region_info, 56 memory, memory_tags, memory_addr, memory_size); 57 } 58 59 INTERFACE const char *__scudo_get_stack_depot_addr() { 60 return Allocator.getStackDepotAddress(); 61 } 62 63 INTERFACE size_t __scudo_get_stack_depot_size() { 64 return sizeof(scudo::StackDepot); 65 } 66 67 INTERFACE const char *__scudo_get_region_info_addr() { 68 return Allocator.getRegionInfoArrayAddress(); 69 } 70 71 INTERFACE size_t __scudo_get_region_info_size() { 72 return Allocator.getRegionInfoArraySize(); 73 } 74 75 #endif // SCUDO_ANDROID && _BIONIC 76