about summary refs log tree commit diff
path: root/qemu_mode/libqasan/libqasan.h
diff options
context:
space:
mode:
Diffstat (limited to 'qemu_mode/libqasan/libqasan.h')
-rw-r--r--qemu_mode/libqasan/libqasan.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/qemu_mode/libqasan/libqasan.h b/qemu_mode/libqasan/libqasan.h
new file mode 100644
index 00000000..43b7adb5
--- /dev/null
+++ b/qemu_mode/libqasan/libqasan.h
@@ -0,0 +1,132 @@
+/*******************************************************************************
+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
+