msan.go

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build msan && ((linux && (amd64 || arm64 || loong64)) || (freebsd && amd64))
     6  
     7  package msan
     8  
     9  /*
    10  #cgo CFLAGS: -fsanitize=memory
    11  #cgo LDFLAGS: -fsanitize=memory
    12  
    13  #include <stdint.h>
    14  #include <sanitizer/msan_interface.h>
    15  
    16  extern void __msan_memmove(void*, const void*, uintptr_t);
    17  
    18  void __msan_read_go(void *addr, uintptr_t sz) {
    19  	__msan_check_mem_is_initialized(addr, sz);
    20  }
    21  
    22  void __msan_write_go(void *addr, uintptr_t sz) {
    23  	__msan_unpoison(addr, sz);
    24  }
    25  
    26  void __msan_malloc_go(void *addr, uintptr_t sz) {
    27  	__msan_unpoison(addr, sz);
    28  }
    29  
    30  void __msan_free_go(void *addr, uintptr_t sz) {
    31  	__msan_poison(addr, sz);
    32  }
    33  
    34  void __msan_memmove_go(void *to, const void *from, uintptr_t sz) {
    35  	__msan_memmove(to, from, sz);
    36  }
    37  */
    38  import "C"
    39
View as plain text