diff options
Diffstat (limited to 'qemu_mode/libqasan/libqasan.h')
-rw-r--r-- | qemu_mode/libqasan/libqasan.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/qemu_mode/libqasan/libqasan.h b/qemu_mode/libqasan/libqasan.h new file mode 100644 index 00000000..0761e157 --- /dev/null +++ b/qemu_mode/libqasan/libqasan.h @@ -0,0 +1,131 @@ +/******************************************************************************* +Copyright (c) 2019-2020, Andrea Fioraldi + + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*******************************************************************************/ + +#ifndef __LIBQASAN_H__ +#define __LIBQASAN_H__ + +#define _GNU_SOURCE +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <signal.h> +#include <ucontext.h> +#include <inttypes.h> +#include <dlfcn.h> +#include <wchar.h> + +#include "qasan.h" + +#define QASAN_LOG(msg...) \ + do { \ + \ + if (__qasan_log) { \ + \ + fprintf(stderr, "==%d== ", getpid()); \ + fprintf(stderr, msg); \ + \ + } \ + \ + } while (0) + +#ifdef DEBUG +#define QASAN_DEBUG(msg...) \ + do { \ + \ + if (__qasan_debug) { \ + \ + fprintf(stderr, "==%d== ", getpid()); \ + fprintf(stderr, msg); \ + \ + } \ + \ + } while (0) +#else +#define QASAN_DEBUG(msg...) \ + do { \ + \ + } while (0) +#endif + +#define ASSERT_DLSYM(name) \ + ({ \ + \ + void* a = (void*)dlsym(RTLD_NEXT, #name); \ + if (!a) { \ + \ + fprintf(stderr, \ + "FATAL ERROR: failed dlsym of " #name " in libqasan!\n"); \ + abort(); \ + \ + } \ + a; \ + \ + }) + +extern int __qasan_debug; +extern int __qasan_log; + +void __libqasan_init_hooks(void); +void __libqasan_init_malloc(void); + +void __libqasan_hotpatch(void); + +size_t __libqasan_malloc_usable_size(void* ptr); +void* __libqasan_malloc(size_t size); +void __libqasan_free(void* ptr); +void* __libqasan_calloc(size_t nmemb, size_t size); +void* __libqasan_realloc(void* ptr, size_t size); +int __libqasan_posix_memalign(void** ptr, size_t align, size_t len); +void* __libqasan_memalign(size_t align, size_t len); +void* __libqasan_aligned_alloc(size_t align, size_t len); + +void* __libqasan_memcpy(void* dest, const void* src, size_t n); +void* __libqasan_memmove(void* dest, const void* src, size_t n); +void* __libqasan_memset(void* s, int c, size_t n); +void* __libqasan_memchr(const void* s, int c, size_t n); +void* __libqasan_memrchr(const void* s, int c, size_t n); +size_t __libqasan_strlen(const char* s); +size_t __libqasan_strnlen(const char* s, size_t len); +int __libqasan_strcmp(const char* str1, const char* str2); +int __libqasan_strncmp(const char* str1, const char* str2, size_t len); +int __libqasan_strcasecmp(const char* str1, const char* str2); +int __libqasan_strncasecmp(const char* str1, const char* str2, size_t len); +int __libqasan_memcmp(const void* mem1, const void* mem2, size_t len); +int __libqasan_bcmp(const void* mem1, const void* mem2, size_t len); +char* __libqasan_strstr(const char* haystack, const char* needle); +char* __libqasan_strcasestr(const char* haystack, const char* needle); +void* __libqasan_memmem(const void* haystack, size_t haystack_len, + const void* needle, size_t needle_len); +char* __libqasan_strchr(const char* s, int c); +char* __libqasan_strrchr(const char* s, int c); +size_t __libqasan_wcslen(const wchar_t* s); +wchar_t* __libqasan_wcscpy(wchar_t* d, const wchar_t* s); +int __libqasan_wcscmp(const wchar_t* s1, const wchar_t* s2); + +#endif + |