FuzzerExtFunctions.def

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//===- FuzzerExtFunctions.def - External functions --------------*- C++ -* ===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

// This defines the external function pointers that

// ``fuzzer::ExternalFunctions`` should contain and try to initialize.  The

// EXT_FUNC macro must be defined at the point of inclusion. The signature of

// the macro is:

//

// EXT_FUNC(<name>, <return_type>, <function_signature>, <warn_if_missing>)

//===----------------------------------------------------------------------===//

// Optional user functions

EXT_FUNC(LLVMFuzzerInitialize, int, (int *argc, char ***argv), false);

EXT_FUNC(LLVMFuzzerCustomMutator, size_t,

         (uint8_t *Data, size_t Size, size_t MaxSize, unsigned int Seed),

         false);

EXT_FUNC(LLVMFuzzerCustomCrossOver, size_t,

         (const uint8_t *Data1, size_t Size1,

          const uint8_t *Data2, size_t Size2,

          uint8_t *Out, size_t MaxOutSize, unsigned int Seed),

         false);

// Sanitizer functions

EXT_FUNC(__lsan_enable, void, (), false);

EXT_FUNC(__lsan_disable, void, (), false);

EXT_FUNC(__lsan_do_recoverable_leak_check, int, (), false);

EXT_FUNC(__sanitizer_acquire_crash_state, int, (), true);

EXT_FUNC(__sanitizer_install_malloc_and_free_hooks, int,

         (void (*malloc_hook)(const volatile void *, size_t),

          void (*free_hook)(const volatile void *)),

         false);

EXT_FUNC(__sanitizer_log_write, void, (const char *buf, size_t len), false);

EXT_FUNC(__sanitizer_purge_allocator, void, (), false);

EXT_FUNC(__sanitizer_print_memory_profile, void, (size_t, size_t), false);

EXT_FUNC(__sanitizer_print_stack_trace, void, (), true);

EXT_FUNC(__sanitizer_symbolize_pc, void,

         (void *, const char *fmt, char *out_buf, size_t out_buf_size), false);

EXT_FUNC(__sanitizer_get_module_and_offset_for_pc, int,

         (void *pc, char *module_path,

         size_t module_path_len,void **pc_offset), false);

EXT_FUNC(__sanitizer_set_death_callback, void, (void (*)(void)), true);

EXT_FUNC(__sanitizer_set_report_fd, void, (void*), false);

EXT_FUNC(__msan_scoped_disable_interceptor_checks, void, (), false);

EXT_FUNC(__msan_scoped_enable_interceptor_checks, void, (), false);

EXT_FUNC(__msan_unpoison, void, (const volatile void *, size_t size), false);

EXT_FUNC(__msan_unpoison_param, void, (size_t n), false);