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 SCUDO_REQUIRE_CONSTANT_INITIALIZATION 27 static scudo::Allocator<scudo::AndroidConfig, SCUDO_PREFIX(malloc_postinit)> 28 SCUDO_ALLOCATOR; 29 30 #include "wrappers_c.inc" 31 32 #undef SCUDO_ALLOCATOR 33 #undef SCUDO_PREFIX 34 35 // TODO(kostyak): support both allocators. 36 INTERFACE void __scudo_print_stats(void) { Allocator.printStats(); } 37 38 INTERFACE void 39 __scudo_get_error_info(struct scudo_error_info *error_info, 40 uintptr_t fault_addr, const char *stack_depot, 41 const char *region_info, const char *ring_buffer, 42 const char *memory, const char *memory_tags, 43 uintptr_t memory_addr, size_t memory_size) { 44 Allocator.getErrorInfo(error_info, fault_addr, stack_depot, region_info, 45 ring_buffer, memory, memory_tags, memory_addr, 46 memory_size); 47 } 48 49 INTERFACE const char *__scudo_get_stack_depot_addr() { 50 return Allocator.getStackDepotAddress(); 51 } 52 53 INTERFACE size_t __scudo_get_stack_depot_size() { 54 return sizeof(scudo::StackDepot); 55 } 56 57 INTERFACE const char *__scudo_get_region_info_addr() { 58 return Allocator.getRegionInfoArrayAddress(); 59 } 60 61 INTERFACE size_t __scudo_get_region_info_size() { 62 return Allocator.getRegionInfoArraySize(); 63 } 64 65 INTERFACE const char *__scudo_get_ring_buffer_addr() { 66 return Allocator.getRingBufferAddress(); 67 } 68 69 INTERFACE size_t __scudo_get_ring_buffer_size() { 70 return Allocator.getRingBufferSize(); 71 } 72 73 #endif // SCUDO_ANDROID && _BIONIC 74