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.
__scudo_print_stats(void)36 INTERFACE void __scudo_print_stats(void) { Allocator.printStats(); }
37
38 INTERFACE void
__scudo_get_error_info(struct scudo_error_info * error_info,uintptr_t fault_addr,const char * stack_depot,const char * region_info,const char * ring_buffer,const char * memory,const char * memory_tags,uintptr_t memory_addr,size_t memory_size)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
__scudo_get_stack_depot_addr()49 INTERFACE const char *__scudo_get_stack_depot_addr() {
50 return Allocator.getStackDepotAddress();
51 }
52
__scudo_get_stack_depot_size()53 INTERFACE size_t __scudo_get_stack_depot_size() {
54 return sizeof(scudo::StackDepot);
55 }
56
__scudo_get_region_info_addr()57 INTERFACE const char *__scudo_get_region_info_addr() {
58 return Allocator.getRegionInfoArrayAddress();
59 }
60
__scudo_get_region_info_size()61 INTERFACE size_t __scudo_get_region_info_size() {
62 return Allocator.getRegionInfoArraySize();
63 }
64
__scudo_get_ring_buffer_addr()65 INTERFACE const char *__scudo_get_ring_buffer_addr() {
66 return Allocator.getRingBufferAddress();
67 }
68
__scudo_get_ring_buffer_size()69 INTERFACE size_t __scudo_get_ring_buffer_size() {
70 return Allocator.getRingBufferSize();
71 }
72
73 #endif // SCUDO_ANDROID && _BIONIC
74