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
25extern "C" void SCUDO_PREFIX(malloc_postinit)();
26static 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
38extern "C" void SCUDO_PREFIX(malloc_postinit)();
39static 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.
49INTERFACE void __scudo_print_stats(void) { Allocator.printStats(); }
50
51INTERFACE 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
59INTERFACE const char *__scudo_get_stack_depot_addr() {
60  return Allocator.getStackDepotAddress();
61}
62
63INTERFACE size_t __scudo_get_stack_depot_size() {
64  return sizeof(scudo::StackDepot);
65}
66
67INTERFACE const char *__scudo_get_region_info_addr() {
68  return Allocator.getRegionInfoArrayAddress();
69}
70
71INTERFACE size_t __scudo_get_region_info_size() {
72  return Allocator.getRegionInfoArraySize();
73}
74
75#endif // SCUDO_ANDROID && _BIONIC
76